[INFO] fetching crate avro 0.2.1...
[INFO] checking avro-0.2.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate avro 0.2.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate avro 0.2.1 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate avro 0.2.1
[INFO] finished tweaking crates.io crate avro 0.2.1
[INFO] tweaked toml for crates.io crate avro 0.2.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 31 packages
[INFO] [stderr]       Adding aho-corasick v0.5.3 (latest: v1.1.3)
[INFO] [stderr]       Adding memchr v0.1.11 (latest: v2.7.2)
[INFO] [stderr]       Adding num v0.1.42 (latest: v0.4.1)
[INFO] [stderr]       Adding num-bigint v0.1.44 (latest: v0.4.4)
[INFO] [stderr]       Adding num-complex v0.1.43 (latest: v0.4.5)
[INFO] [stderr]       Adding num-rational v0.1.42 (latest: v0.4.1)
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding regex v0.1.80 (latest: v1.10.4)
[INFO] [stderr]       Adding regex-syntax v0.3.9 (latest: v0.8.3)
[INFO] [stderr]       Adding serde v0.6.15 (latest: v1.0.197)
[INFO] [stderr]       Adding serde_json v0.6.1 (latest: v1.0.115)
[INFO] [stderr]       Adding thread-id v2.0.0 (latest: v4.2.1)
[INFO] [stderr]       Adding thread_local v0.2.7 (latest: v1.1.8)
[INFO] [stderr]       Adding utf8-ranges v0.1.3 (latest: v1.0.5)
[INFO] [stderr]       Adding winapi v0.2.8 (latest: v0.3.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-rational v0.1.42
[INFO] [stderr]   Downloaded num-bigint v0.1.44
[INFO] [stderr]   Downloaded serde_json v0.6.1
[INFO] [stderr]   Downloaded num-complex v0.1.43
[INFO] [stderr]   Downloaded num v0.1.42
[INFO] [stderr]   Downloaded serde v0.6.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e902cd75d73618a79f41f872e5883388de35b3293be3bbc6caecb55d3fb43633
[INFO] running `Command { std: "docker" "start" "-a" "e902cd75d73618a79f41f872e5883388de35b3293be3bbc6caecb55d3fb43633", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e902cd75d73618a79f41f872e5883388de35b3293be3bbc6caecb55d3fb43633", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e902cd75d73618a79f41f872e5883388de35b3293be3bbc6caecb55d3fb43633", kill_on_drop: false }`
[INFO] [stdout] e902cd75d73618a79f41f872e5883388de35b3293be3bbc6caecb55d3fb43633
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a715cf0549eb0b161b0c2539db0d3dbf9b3258f46491781f5cd5ca0dcbb54f0
[INFO] running `Command { std: "docker" "start" "-a" "9a715cf0549eb0b161b0c2539db0d3dbf9b3258f46491781f5cd5ca0dcbb54f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking serde v0.6.15
[INFO] [stderr]     Checking serde_json v0.6.1
[INFO] [stderr]     Checking avro v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/idl.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     serde_json,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | extern crate serde_json;
[INFO] [stdout]    | ------------------------ the item `serde_json` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/idl.rs:353:14
[INFO] [stdout]     |
[INFO] [stdout] 353 |         b'A' ... b'Z' | b'a' ... b'z' | b'0' ... b'9' | b'_' => true,
[INFO] [stdout]     |              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/idl.rs:353:30
[INFO] [stdout]     |
[INFO] [stdout] 353 |         b'A' ... b'Z' | b'a' ... b'z' | b'0' ... b'9' | b'_' => true,
[INFO] [stdout]     |                              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/idl.rs:353:46
[INFO] [stdout]     |
[INFO] [stdout] 353 |         b'A' ... b'Z' | b'a' ... b'z' | b'0' ... b'9' | b'_' => true,
[INFO] [stdout]     |                                              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/idl.rs:360:14
[INFO] [stdout]     |
[INFO] [stdout] 360 |         b'0' ... b'9' => true,
[INFO] [stdout]     |              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/idl.rs:595:18
[INFO] [stdout]     |
[INFO] [stdout] 595 |             b'A' ... b'Z' | b'a' ... b'z' | b'_' => {
[INFO] [stdout]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/idl.rs:595:34
[INFO] [stdout]     |
[INFO] [stdout] 595 |             b'A' ... b'Z' | b'a' ... b'z' | b'_' => {
[INFO] [stdout]     |                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/idl.rs:604:18
[INFO] [stdout]     |
[INFO] [stdout] 604 |             b'0' ... b'9' => {
[INFO] [stdout]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:816:13
[INFO] [stdout]     |
[INFO] [stdout] 816 |             try!(lexer.expect_next_ty(TokenType::LAngle));
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:818:13
[INFO] [stdout]     |
[INFO] [stdout] 818 |             try!(lexer.expect_next_ty(TokenType::RAngle));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:817:22
[INFO] [stdout]     |
[INFO] [stdout] 817 |             let ty = try!(parse_type(lexer, &[]));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:822:13
[INFO] [stdout]     |
[INFO] [stdout] 822 |             try!(lexer.expect_next_ty(TokenType::LAngle));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:824:13
[INFO] [stdout]     |
[INFO] [stdout] 824 |             try!(lexer.expect_next_ty(TokenType::RAngle));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:823:22
[INFO] [stdout]     |
[INFO] [stdout] 823 |             let ty = try!(parse_type(lexer, &[]));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:828:13
[INFO] [stdout]     |
[INFO] [stdout] 828 |             try!(lexer.expect_next_ty(TokenType::LBrace));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:847:13
[INFO] [stdout]     |
[INFO] [stdout] 847 |             try!(lexer.expect_next_ty(TokenType::RBrace));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:839:29
[INFO] [stdout]     |
[INFO] [stdout] 839 | ...                   try!(lexer.expect_next_ty(TokenType::Comma));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:841:34
[INFO] [stdout]     |
[INFO] [stdout] 841 |                         tys.push(try!(parse_type(lexer, &[])));
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:891:5
[INFO] [stdout]     |
[INFO] [stdout] 891 |     try!(lexer.expect_next_ty(TokenType::Semi));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:887:14
[INFO] [stdout]     |
[INFO] [stdout] 887 |     let ty = try!(parse_type(lexer, if properties.is_empty() { rbrace_ext } else { &[] }));
[INFO] [stdout]     |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:888:22
[INFO] [stdout]     |
[INFO] [stdout] 888 |     let name_token = try!(lexer.expect_next_ty(TokenType::Ident));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:916:5
[INFO] [stdout]     |
[INFO] [stdout] 916 |     try!(lexer.expect_next_ty(TokenType::LBrace));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:951:5
[INFO] [stdout]     |
[INFO] [stdout] 951 |     try!(lexer.expect_next_ty(TokenType::RBrace));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:915:22
[INFO] [stdout]     |
[INFO] [stdout] 915 |     let name_token = try!(lexer.expect_next_ty(TokenType::Ident));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:939:28
[INFO] [stdout]     |
[INFO] [stdout] 939 |                 props.push(try!(parse_property(lexer)));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:943:29
[INFO] [stdout]     |
[INFO] [stdout] 943 |                 fields.push(try!(parse_field(lexer, doc, props)));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:962:5
[INFO] [stdout]     |
[INFO] [stdout] 962 |     try!(lexer.expect_next_ty(TokenType::Enum));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:964:5
[INFO] [stdout]     |
[INFO] [stdout] 964 |     try!(lexer.expect_next_ty(TokenType::LBrace));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:991:5
[INFO] [stdout]     |
[INFO] [stdout] 991 |     try!(lexer.expect_next_ty(TokenType::RBrace));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:963:22
[INFO] [stdout]     |
[INFO] [stdout] 963 |     let name_token = try!(lexer.expect_next_ty(TokenType::Ident));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:976:21
[INFO] [stdout]     |
[INFO] [stdout] 976 |                     try!(lexer.expect_next_ty(TokenType::Comma));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:979:33
[INFO] [stdout]     |
[INFO] [stdout] 979 |                 let sym_token = try!(lexer.expect_next_ty(TokenType::Ident));
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/idl.rs:1005:5
[INFO] [stdout]      |
[INFO] [stdout] 1005 |     try!(lexer.expect_next_ty(TokenType::Fixed));
[INFO] [stdout]      |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/idl.rs:1007:5
[INFO] [stdout]      |
[INFO] [stdout] 1007 |     try!(lexer.expect_next_ty(TokenType::LParen));
[INFO] [stdout]      |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/idl.rs:1012:5
[INFO] [stdout]      |
[INFO] [stdout] 1012 |     try!(lexer.expect_next_ty(TokenType::RParen));
[INFO] [stdout]      |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/idl.rs:1013:5
[INFO] [stdout]      |
[INFO] [stdout] 1013 |     try!(lexer.expect_next_ty(TokenType::Semi));
[INFO] [stdout]      |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/idl.rs:1006:22
[INFO] [stdout]      |
[INFO] [stdout] 1006 |     let name_token = try!(lexer.expect_next_ty(TokenType::Ident));
[INFO] [stdout]      |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/idl.rs:1009:22
[INFO] [stdout]      |
[INFO] [stdout] 1009 |     let size_token = try!(lexer.expect_next_ty(TokenType::Integer));
[INFO] [stdout]      |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/idl.rs:1025:5
[INFO] [stdout]      |
[INFO] [stdout] 1025 |     try!(lexer.expect_next_ty(TokenType::At));
[INFO] [stdout]      |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/idl.rs:1028:5
[INFO] [stdout]      |
[INFO] [stdout] 1028 |     try!(lexer.expect_next_ty(TokenType::LParen));
[INFO] [stdout]      |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/idl.rs:1031:5
[INFO] [stdout]      |
[INFO] [stdout] 1031 |     try!(lexer.expect_next_ty(TokenType::RParen));
[INFO] [stdout]      |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/idl.rs:1026:22
[INFO] [stdout]      |
[INFO] [stdout] 1026 |     let name_token = try!(lexer.expect_next_ty(TokenType::Ident));
[INFO] [stdout]      |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/idl.rs:1029:22
[INFO] [stdout]      |
[INFO] [stdout] 1029 |     let json_token = try!(lexer.expect_next_ty(TokenType::Json));
[INFO] [stdout]      |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/idl.rs:1030:15
[INFO] [stdout]      |
[INFO] [stdout] 1030 |     let val = try!(serde_json::from_str(lexer.source_manager.src_slice(json_token.range)));
[INFO] [stdout]      |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/idl.rs:1066:5
[INFO] [stdout]      |
[INFO] [stdout] 1066 |     try!(lexer.expect_next_ty(TokenType::Protocol));
[INFO] [stdout]      |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/idl.rs:1071:5
[INFO] [stdout]      |
[INFO] [stdout] 1071 |     try!(lexer.expect_next_ty(TokenType::LBrace));
[INFO] [stdout]      |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/idl.rs:1138:5
[INFO] [stdout]      |
[INFO] [stdout] 1138 |     try!(lexer.expect_next_ty(TokenType::RBrace));
[INFO] [stdout]      |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/idl.rs:1054:33
[INFO] [stdout]      |
[INFO] [stdout] 1054 |                 properties.push(try!(parse_property(&mut lexer)));
[INFO] [stdout]      |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/idl.rs:1070:22
[INFO] [stdout]      |
[INFO] [stdout] 1070 |     let name_token = try!(lexer.expect_next_ty(TokenType::Ident));
[INFO] [stdout]      |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/idl.rs:1108:28
[INFO] [stdout]      |
[INFO] [stdout] 1108 |                 props.push(try!(parse_property(&mut lexer)));
[INFO] [stdout]      |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/idl.rs:1113:26
[INFO] [stdout]      |
[INFO] [stdout] 1113 |                 tys.push(try!(parse_record(&mut lexer, doc, props)));
[INFO] [stdout]      |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/idl.rs:1119:26
[INFO] [stdout]      |
[INFO] [stdout] 1119 |                 tys.push(try!(parse_enum(&mut lexer, doc, props)));
[INFO] [stdout]      |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/idl.rs:1125:26
[INFO] [stdout]      |
[INFO] [stdout] 1125 |                 tys.push(try!(parse_fixed(&mut lexer, doc, props)));
[INFO] [stdout]      |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/decode.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |         try!(reader.read_exact(&mut buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/decode.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |             try!(reader.read_exact(&mut buf[..]));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/decode.rs:97:38
[INFO] [stdout]    |
[INFO] [stdout] 97 |             let num = decode_zig_zag(try!(decode_var_len_u64(reader)));
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:105:43
[INFO] [stdout]     |
[INFO] [stdout] 105 |             Ok(Value::Long(decode_zig_zag(try!(decode_var_len_u64(reader)))))
[INFO] [stdout]     |                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |             try!(reader.read_exact(&mut buf[..]));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |             try!(reader.read_exact(&mut buf[..]));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:124:17
[INFO] [stdout]     |
[INFO] [stdout] 124 |                 try!(reader.read_exact(&mut val));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:118:39
[INFO] [stdout]     |
[INFO] [stdout] 118 |             if let Value::Long(len) = try!(decode(reader, &Schema::Long)) {
[INFO] [stdout]     |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 |                 try!(reader.read_exact(&mut val));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:131:39
[INFO] [stdout]     |
[INFO] [stdout] 131 |             if let Value::Long(len) = try!(decode(reader, &Schema::Long)) {
[INFO] [stdout]     |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:138:34
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 Ok(Value::String(try!(String::from_utf8(val)).into()))
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:146:29
[INFO] [stdout]     |
[INFO] [stdout] 146 |                 values.push(try!(decode(reader, &field.ty)));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:163:13
[INFO] [stdout]     |
[INFO] [stdout] 163 |             try!(reader.read_exact(&mut val));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/encode.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |         try!(writer.write(&[b]));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/encode.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |             try!(writer.write(&[b]));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/idl.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     serde_json,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | extern crate serde_json;
[INFO] [stdout]    | ------------------------ the item `serde_json` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/idl.rs:353:14
[INFO] [stdout]     |
[INFO] [stdout] 353 |         b'A' ... b'Z' | b'a' ... b'z' | b'0' ... b'9' | b'_' => true,
[INFO] [stdout]     |              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/idl.rs:353:30
[INFO] [stdout]     |
[INFO] [stdout] 353 |         b'A' ... b'Z' | b'a' ... b'z' | b'0' ... b'9' | b'_' => true,
[INFO] [stdout]     |                              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/idl.rs:353:46
[INFO] [stdout]     |
[INFO] [stdout] 353 |         b'A' ... b'Z' | b'a' ... b'z' | b'0' ... b'9' | b'_' => true,
[INFO] [stdout]     |                                              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/idl.rs:360:14
[INFO] [stdout]     |
[INFO] [stdout] 360 |         b'0' ... b'9' => true,
[INFO] [stdout]     |              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/idl.rs:595:18
[INFO] [stdout]     |
[INFO] [stdout] 595 |             b'A' ... b'Z' | b'a' ... b'z' | b'_' => {
[INFO] [stdout]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/idl.rs:595:34
[INFO] [stdout]     |
[INFO] [stdout] 595 |             b'A' ... b'Z' | b'a' ... b'z' | b'_' => {
[INFO] [stdout]     |                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/idl.rs:604:18
[INFO] [stdout]     |
[INFO] [stdout] 604 |             b'0' ... b'9' => {
[INFO] [stdout]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:816:13
[INFO] [stdout]     |
[INFO] [stdout] 816 |             try!(lexer.expect_next_ty(TokenType::LAngle));
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:818:13
[INFO] [stdout]     |
[INFO] [stdout] 818 |             try!(lexer.expect_next_ty(TokenType::RAngle));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:817:22
[INFO] [stdout]     |
[INFO] [stdout] 817 |             let ty = try!(parse_type(lexer, &[]));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:822:13
[INFO] [stdout]     |
[INFO] [stdout] 822 |             try!(lexer.expect_next_ty(TokenType::LAngle));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:824:13
[INFO] [stdout]     |
[INFO] [stdout] 824 |             try!(lexer.expect_next_ty(TokenType::RAngle));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:823:22
[INFO] [stdout]     |
[INFO] [stdout] 823 |             let ty = try!(parse_type(lexer, &[]));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:828:13
[INFO] [stdout]     |
[INFO] [stdout] 828 |             try!(lexer.expect_next_ty(TokenType::LBrace));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:847:13
[INFO] [stdout]     |
[INFO] [stdout] 847 |             try!(lexer.expect_next_ty(TokenType::RBrace));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:839:29
[INFO] [stdout]     |
[INFO] [stdout] 839 | ...                   try!(lexer.expect_next_ty(TokenType::Comma));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:841:34
[INFO] [stdout]     |
[INFO] [stdout] 841 |                         tys.push(try!(parse_type(lexer, &[])));
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:891:5
[INFO] [stdout]     |
[INFO] [stdout] 891 |     try!(lexer.expect_next_ty(TokenType::Semi));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:887:14
[INFO] [stdout]     |
[INFO] [stdout] 887 |     let ty = try!(parse_type(lexer, if properties.is_empty() { rbrace_ext } else { &[] }));
[INFO] [stdout]     |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:888:22
[INFO] [stdout]     |
[INFO] [stdout] 888 |     let name_token = try!(lexer.expect_next_ty(TokenType::Ident));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:916:5
[INFO] [stdout]     |
[INFO] [stdout] 916 |     try!(lexer.expect_next_ty(TokenType::LBrace));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:951:5
[INFO] [stdout]     |
[INFO] [stdout] 951 |     try!(lexer.expect_next_ty(TokenType::RBrace));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:915:22
[INFO] [stdout]     |
[INFO] [stdout] 915 |     let name_token = try!(lexer.expect_next_ty(TokenType::Ident));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:939:28
[INFO] [stdout]     |
[INFO] [stdout] 939 |                 props.push(try!(parse_property(lexer)));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:943:29
[INFO] [stdout]     |
[INFO] [stdout] 943 |                 fields.push(try!(parse_field(lexer, doc, props)));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:962:5
[INFO] [stdout]     |
[INFO] [stdout] 962 |     try!(lexer.expect_next_ty(TokenType::Enum));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:964:5
[INFO] [stdout]     |
[INFO] [stdout] 964 |     try!(lexer.expect_next_ty(TokenType::LBrace));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:991:5
[INFO] [stdout]     |
[INFO] [stdout] 991 |     try!(lexer.expect_next_ty(TokenType::RBrace));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:963:22
[INFO] [stdout]     |
[INFO] [stdout] 963 |     let name_token = try!(lexer.expect_next_ty(TokenType::Ident));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:976:21
[INFO] [stdout]     |
[INFO] [stdout] 976 |                     try!(lexer.expect_next_ty(TokenType::Comma));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/idl.rs:979:33
[INFO] [stdout]     |
[INFO] [stdout] 979 |                 let sym_token = try!(lexer.expect_next_ty(TokenType::Ident));
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/idl.rs:1005:5
[INFO] [stdout]      |
[INFO] [stdout] 1005 |     try!(lexer.expect_next_ty(TokenType::Fixed));
[INFO] [stdout]      |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/idl.rs:1007:5
[INFO] [stdout]      |
[INFO] [stdout] 1007 |     try!(lexer.expect_next_ty(TokenType::LParen));
[INFO] [stdout]      |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/idl.rs:1012:5
[INFO] [stdout]      |
[INFO] [stdout] 1012 |     try!(lexer.expect_next_ty(TokenType::RParen));
[INFO] [stdout]      |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/idl.rs:1013:5
[INFO] [stdout]      |
[INFO] [stdout] 1013 |     try!(lexer.expect_next_ty(TokenType::Semi));
[INFO] [stdout]      |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/idl.rs:1006:22
[INFO] [stdout]      |
[INFO] [stdout] 1006 |     let name_token = try!(lexer.expect_next_ty(TokenType::Ident));
[INFO] [stdout]      |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/idl.rs:1009:22
[INFO] [stdout]      |
[INFO] [stdout] 1009 |     let size_token = try!(lexer.expect_next_ty(TokenType::Integer));
[INFO] [stdout]      |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/idl.rs:1025:5
[INFO] [stdout]      |
[INFO] [stdout] 1025 |     try!(lexer.expect_next_ty(TokenType::At));
[INFO] [stdout]      |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/idl.rs:1028:5
[INFO] [stdout]      |
[INFO] [stdout] 1028 |     try!(lexer.expect_next_ty(TokenType::LParen));
[INFO] [stdout]      |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/idl.rs:1031:5
[INFO] [stdout]      |
[INFO] [stdout] 1031 |     try!(lexer.expect_next_ty(TokenType::RParen));
[INFO] [stdout]      |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/idl.rs:1026:22
[INFO] [stdout]      |
[INFO] [stdout] 1026 |     let name_token = try!(lexer.expect_next_ty(TokenType::Ident));
[INFO] [stdout]      |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/idl.rs:1029:22
[INFO] [stdout]      |
[INFO] [stdout] 1029 |     let json_token = try!(lexer.expect_next_ty(TokenType::Json));
[INFO] [stdout]      |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/idl.rs:1030:15
[INFO] [stdout]      |
[INFO] [stdout] 1030 |     let val = try!(serde_json::from_str(lexer.source_manager.src_slice(json_token.range)));
[INFO] [stdout]      |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/idl.rs:1066:5
[INFO] [stdout]      |
[INFO] [stdout] 1066 |     try!(lexer.expect_next_ty(TokenType::Protocol));
[INFO] [stdout]      |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/idl.rs:1071:5
[INFO] [stdout]      |
[INFO] [stdout] 1071 |     try!(lexer.expect_next_ty(TokenType::LBrace));
[INFO] [stdout]      |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/idl.rs:1138:5
[INFO] [stdout]      |
[INFO] [stdout] 1138 |     try!(lexer.expect_next_ty(TokenType::RBrace));
[INFO] [stdout]      |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/idl.rs:1054:33
[INFO] [stdout]      |
[INFO] [stdout] 1054 |                 properties.push(try!(parse_property(&mut lexer)));
[INFO] [stdout]      |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/idl.rs:1070:22
[INFO] [stdout]      |
[INFO] [stdout] 1070 |     let name_token = try!(lexer.expect_next_ty(TokenType::Ident));
[INFO] [stdout]      |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/idl.rs:1108:28
[INFO] [stdout]      |
[INFO] [stdout] 1108 |                 props.push(try!(parse_property(&mut lexer)));
[INFO] [stdout]      |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/idl.rs:1113:26
[INFO] [stdout]      |
[INFO] [stdout] 1113 |                 tys.push(try!(parse_record(&mut lexer, doc, props)));
[INFO] [stdout]      |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/idl.rs:1119:26
[INFO] [stdout]      |
[INFO] [stdout] 1119 |                 tys.push(try!(parse_enum(&mut lexer, doc, props)));
[INFO] [stdout]      |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/idl.rs:1125:26
[INFO] [stdout]      |
[INFO] [stdout] 1125 |                 tys.push(try!(parse_fixed(&mut lexer, doc, props)));
[INFO] [stdout]      |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/decode.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |         try!(reader.read_exact(&mut buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/decode.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |             try!(reader.read_exact(&mut buf[..]));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/decode.rs:97:38
[INFO] [stdout]    |
[INFO] [stdout] 97 |             let num = decode_zig_zag(try!(decode_var_len_u64(reader)));
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:105:43
[INFO] [stdout]     |
[INFO] [stdout] 105 |             Ok(Value::Long(decode_zig_zag(try!(decode_var_len_u64(reader)))))
[INFO] [stdout]     |                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |             try!(reader.read_exact(&mut buf[..]));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |             try!(reader.read_exact(&mut buf[..]));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:124:17
[INFO] [stdout]     |
[INFO] [stdout] 124 |                 try!(reader.read_exact(&mut val));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:118:39
[INFO] [stdout]     |
[INFO] [stdout] 118 |             if let Value::Long(len) = try!(decode(reader, &Schema::Long)) {
[INFO] [stdout]     |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 |                 try!(reader.read_exact(&mut val));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:131:39
[INFO] [stdout]     |
[INFO] [stdout] 131 |             if let Value::Long(len) = try!(decode(reader, &Schema::Long)) {
[INFO] [stdout]     |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:138:34
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 Ok(Value::String(try!(String::from_utf8(val)).into()))
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:146:29
[INFO] [stdout]     |
[INFO] [stdout] 146 |                 values.push(try!(decode(reader, &field.ty)));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:163:13
[INFO] [stdout]     |
[INFO] [stdout] 163 |             try!(reader.read_exact(&mut val));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/encode.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |         try!(writer.write(&[b]));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/encode.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |             try!(writer.write(&[b]));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/idl.rs:245:45
[INFO] [stdout]     |
[INFO] [stdout] 245 |                 trimmed_line = trimmed_line.trim_right();
[INFO] [stdout]     |                                             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 245 |                 trimmed_line = trimmed_line.trim_end();
[INFO] [stdout]     |                                             ~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/idl.rs:245:45
[INFO] [stdout]     |
[INFO] [stdout] 245 |                 trimmed_line = trimmed_line.trim_right();
[INFO] [stdout]     |                                             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 245 |                 trimmed_line = trimmed_line.trim_end();
[INFO] [stdout]     |                                             ~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Span` is never constructed
[INFO] [stdout]   --> src/idl.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub struct Span {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Span` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `span_ranges` is never read
[INFO] [stdout]   --> src/idl.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub struct SourceManager<'a> {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 63 |     span_ranges: RefCell<Vec<SpanRange>>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SourceManager` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 71 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Span` is never constructed
[INFO] [stdout]   --> src/idl.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub struct Span {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Span` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `span_ranges` is never read
[INFO] [stdout]   --> src/idl.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub struct SourceManager<'a> {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 63 |     span_ranges: RefCell<Vec<SpanRange>>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SourceManager` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 71 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.82s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: num-bigint v0.1.44, num-complex v0.1.43, num-rational v0.1.42
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "9a715cf0549eb0b161b0c2539db0d3dbf9b3258f46491781f5cd5ca0dcbb54f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a715cf0549eb0b161b0c2539db0d3dbf9b3258f46491781f5cd5ca0dcbb54f0", kill_on_drop: false }`
[INFO] [stdout] 9a715cf0549eb0b161b0c2539db0d3dbf9b3258f46491781f5cd5ca0dcbb54f0
[INFO] checking avro-0.2.1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate avro 0.2.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate avro 0.2.1 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate avro 0.2.1
[INFO] finished tweaking crates.io crate avro 0.2.1
[INFO] tweaked toml for crates.io crate avro 0.2.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68c143f9be36651efff98b430aed8c5146c1e41192e17fc97d5cb773acc76892
[INFO] running `Command { std: "docker" "start" "-a" "68c143f9be36651efff98b430aed8c5146c1e41192e17fc97d5cb773acc76892", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68c143f9be36651efff98b430aed8c5146c1e41192e17fc97d5cb773acc76892", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68c143f9be36651efff98b430aed8c5146c1e41192e17fc97d5cb773acc76892", kill_on_drop: false }`
[INFO] [stdout] 68c143f9be36651efff98b430aed8c5146c1e41192e17fc97d5cb773acc76892
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98b0bfd5345d30329e540959a1ec6e3fc8a70476a61bcb89ad42a48132b0f955
[INFO] running `Command { std: "docker" "start" "-a" "98b0bfd5345d30329e540959a1ec6e3fc8a70476a61bcb89ad42a48132b0f955", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.3.25/src/json.rs:1387:20
[INFO] [stdout]      |
[INFO] [stdout] 1387 |             _ => { panic!(); }
[INFO] [stdout]      |                    ^^^^^^^^ cannot infer type
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-0.1.80/src/exec.rs:726:13
[INFO] [stdout]     |
[INFO] [stdout] 726 | /             match dfa::Fsm::reverse(
[INFO] [stdout] 727 | |                 &self.ro.dfa_reverse,
[INFO] [stdout] 728 | |                 &self.cache,
[INFO] [stdout] 729 | |                 false,
[INFO] [stdout] ...   |
[INFO] [stdout] 736 | |                 Quit => return Some(Quit),
[INFO] [stdout] 737 | |             };
[INFO] [stdout]     | |_____________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `regex` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "98b0bfd5345d30329e540959a1ec6e3fc8a70476a61bcb89ad42a48132b0f955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98b0bfd5345d30329e540959a1ec6e3fc8a70476a61bcb89ad42a48132b0f955", kill_on_drop: false }`
[INFO] [stdout] 98b0bfd5345d30329e540959a1ec6e3fc8a70476a61bcb89ad42a48132b0f955