[INFO] fetching crate mikino 0.5.2...
[INFO] checking mikino-0.5.2 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate mikino 0.5.2 into /workspace/builds/worker-72/source
[INFO] validating manifest of crates.io crate mikino 0.5.2 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mikino 0.5.2
[INFO] finished tweaking crates.io crate mikino 0.5.2
[INFO] tweaked toml for crates.io crate mikino 0.5.2 written to /workspace/builds/worker-72/source/Cargo.toml
[INFO] crate crates.io crate mikino 0.5.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad2b5872ae4b6eed949f09de40be5f0aac2103918d8e4029a19b6c4cdb9a6631
[INFO] running `Command { std: "docker" "start" "-a" "ad2b5872ae4b6eed949f09de40be5f0aac2103918d8e4029a19b6c4cdb9a6631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad2b5872ae4b6eed949f09de40be5f0aac2103918d8e4029a19b6c4cdb9a6631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad2b5872ae4b6eed949f09de40be5f0aac2103918d8e4029a19b6c4cdb9a6631", kill_on_drop: false }`
[INFO] [stdout] ad2b5872ae4b6eed949f09de40be5f0aac2103918d8e4029a19b6c4cdb9a6631
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 929ca64d28e984d26532c4c066fb8216955d5259c83d84eaeedda9a66bd53ae5
[INFO] running `Command { std: "docker" "start" "-a" "929ca64d28e984d26532c4c066fb8216955d5259c83d84eaeedda9a66bd53ae5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling peg-runtime v0.7.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-bigint v0.4.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking object v0.26.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling peg-macros v0.7.0
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking addr2line v0.16.0
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]    Compiling readonly v0.2.0
[INFO] [stderr]     Checking peg v0.7.0
[INFO] [stderr]     Checking rsmt2 v0.14.0
[INFO] [stderr]     Checking mikino_api v0.5.1
[INFO] [stderr]     Checking mikino v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/mode.rs:210:71
[INFO] [stdout]     |
[INFO] [stdout] 210 |                 return Err(format!("expected integer, found `{}`", s));
[INFO] [stdout]     |                                                                       ^
[INFO] [stdout] ...
[INFO] [stdout] 217 |                         abort!()
[INFO] [stdout]     |                         -------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `abort`
[INFO] [stdout]     = note: this warning originates in the macro `abort` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/mode.rs:210:71
[INFO] [stdout]     |
[INFO] [stdout] 210 |                 return Err(format!("expected integer, found `{}`", s));
[INFO] [stdout]     |                                                                       ^
[INFO] [stdout] ...
[INFO] [stdout] 221 |                         abort!()
[INFO] [stdout]     |                         -------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `abort`
[INFO] [stdout]     = note: this warning originates in the macro `abort` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/main.rs:411:67
[INFO] [stdout]     |
[INFO] [stdout] 411 |             return Err(format!("expected integer, found `{}`", s));
[INFO] [stdout]     |                                                                   ^
[INFO] [stdout] ...
[INFO] [stdout] 418 |                     abort!()
[INFO] [stdout]     |                     -------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `abort`
[INFO] [stdout]     = note: this warning originates in the macro `abort` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/main.rs:411:67
[INFO] [stdout]     |
[INFO] [stdout] 411 |             return Err(format!("expected integer, found `{}`", s));
[INFO] [stdout]     |                                                                   ^
[INFO] [stdout] ...
[INFO] [stdout] 422 |                     abort!()
[INFO] [stdout]     |                     -------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `abort`
[INFO] [stdout]     = note: this warning originates in the macro `abort` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/mode.rs:210:71
[INFO] [stdout]     |
[INFO] [stdout] 210 |                 return Err(format!("expected integer, found `{}`", s));
[INFO] [stdout]     |                                                                       ^
[INFO] [stdout] ...
[INFO] [stdout] 217 |                         abort!()
[INFO] [stdout]     |                         -------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `abort`
[INFO] [stdout]     = note: this warning originates in the macro `abort` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/mode.rs:210:71
[INFO] [stdout]     |
[INFO] [stdout] 210 |                 return Err(format!("expected integer, found `{}`", s));
[INFO] [stdout]     |                                                                       ^
[INFO] [stdout] ...
[INFO] [stdout] 221 |                         abort!()
[INFO] [stdout]     |                         -------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `abort`
[INFO] [stdout]     = note: this warning originates in the macro `abort` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/main.rs:411:67
[INFO] [stdout]     |
[INFO] [stdout] 411 |             return Err(format!("expected integer, found `{}`", s));
[INFO] [stdout]     |                                                                   ^
[INFO] [stdout] ...
[INFO] [stdout] 418 |                     abort!()
[INFO] [stdout]     |                     -------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `abort`
[INFO] [stdout]     = note: this warning originates in the macro `abort` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/main.rs:411:67
[INFO] [stdout]     |
[INFO] [stdout] 411 |             return Err(format!("expected integer, found `{}`", s));
[INFO] [stdout]     |                                                                   ^
[INFO] [stdout] ...
[INFO] [stdout] 422 |                     abort!()
[INFO] [stdout]     |                     -------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `abort`
[INFO] [stdout]     = note: this warning originates in the macro `abort` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.91s
[INFO] running `Command { std: "docker" "inspect" "929ca64d28e984d26532c4c066fb8216955d5259c83d84eaeedda9a66bd53ae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "929ca64d28e984d26532c4c066fb8216955d5259c83d84eaeedda9a66bd53ae5", kill_on_drop: false }`
[INFO] [stdout] 929ca64d28e984d26532c4c066fb8216955d5259c83d84eaeedda9a66bd53ae5
