[INFO] fetching crate seax_util 0.1.2...
[INFO] testing seax_util-0.1.2 against try#a40ec913238f4f188d97c41aa605cb486451acf2+target=i686-unknown-linux-musl for musl_1_2_upgrade_i686_unknown_linux_musl
[INFO] extracting crate seax_util 0.1.2 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate seax_util 0.1.2 on toolchain a40ec913238f4f188d97c41aa605cb486451acf2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a40ec913238f4f188d97c41aa605cb486451acf2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate seax_util 0.1.2
[INFO] finished tweaking crates.io crate seax_util 0.1.2
[INFO] tweaked toml for crates.io crate seax_util 0.1.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+a40ec913238f4f188d97c41aa605cb486451acf2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a40ec913238f4f188d97c41aa605cb486451acf2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+a40ec913238f4f188d97c41aa605cb486451acf2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91c7c95660f89e87d3b8c2bc7211a5f8e523dee7064ab6d45b4adf5efb9db45f
[INFO] running `Command { std: "docker" "start" "-a" "91c7c95660f89e87d3b8c2bc7211a5f8e523dee7064ab6d45b4adf5efb9db45f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91c7c95660f89e87d3b8c2bc7211a5f8e523dee7064ab6d45b4adf5efb9db45f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91c7c95660f89e87d3b8c2bc7211a5f8e523dee7064ab6d45b4adf5efb9db45f", kill_on_drop: false }`
[INFO] [stdout] 91c7c95660f89e87d3b8c2bc7211a5f8e523dee7064ab6d45b4adf5efb9db45f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+a40ec913238f4f188d97c41aa605cb486451acf2" "build" "--frozen" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] aeb6693a9e59cdc793eaf907f546edf910b24c3c5200336017614fa3e1dbc5b0
[INFO] running `Command { std: "docker" "start" "-a" "aeb6693a9e59cdc793eaf907f546edf910b24c3c5200336017614fa3e1dbc5b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling seax_util v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/bytecode/mod.rs:355:17
[INFO] [stdout]     |
[INFO] [stdout] 355 |                 try!(self.source.read(&mut buf) // try to get next byte
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/compiler_tools/ast.rs:41:21
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl fmt::Debug for ASTNode {
[INFO] [stdout]    |                     ^^^^^^^
[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(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl fmt::Debug for dyn ASTNode {
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:236:45
[INFO] [stdout]     |
[INFO] [stdout] 236 |             .map_err(|why| String::from(why.description()))
[INFO] [stdout]     |                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:260:45
[INFO] [stdout]     |
[INFO] [stdout] 260 |             .map_err(|why| String::from(why.description()))
[INFO] [stdout]     |                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:309:53
[INFO] [stdout]     |
[INFO] [stdout] 309 |                     .map_err(|why| String::from(why.description()))
[INFO] [stdout]     |                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:316:53
[INFO] [stdout]     |
[INFO] [stdout] 316 |                     .map_err(|why| String::from(why.description()))
[INFO] [stdout]     |                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:322:55
[INFO] [stdout]     |
[INFO] [stdout] 322 |                     .map_err( |why | String::from(why.description()))
[INFO] [stdout]     |                                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:334:53
[INFO] [stdout]     |
[INFO] [stdout] 334 |                     .map_err(|why| String::from(why.description()))
[INFO] [stdout]     |                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:356:58
[INFO] [stdout]     |
[INFO] [stdout] 356 |                          .map_err(|why| String::from(why.description())));
[INFO] [stdout]     |                                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:400:46
[INFO] [stdout]     |
[INFO] [stdout] 400 |             Err(why) => Err(String::from(why.description()))
[INFO] [stdout]     |                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ByteOrder`
[INFO] [stdout]    --> src/bytecode/mod.rs:127:23
[INFO] [stdout]     |
[INFO] [stdout] 127 | use self::byteorder::{ByteOrder, BigEndian, ReadBytesExt, WriteBytesExt};
[INFO] [stdout]     |                       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "aeb6693a9e59cdc793eaf907f546edf910b24c3c5200336017614fa3e1dbc5b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeb6693a9e59cdc793eaf907f546edf910b24c3c5200336017614fa3e1dbc5b0", kill_on_drop: false }`
[INFO] [stdout] aeb6693a9e59cdc793eaf907f546edf910b24c3c5200336017614fa3e1dbc5b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+a40ec913238f4f188d97c41aa605cb486451acf2" "test" "--frozen" "--no-run" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 4ab2afbccb77184a235c6f0987aab487f2ca5316aa7a41ae240bfe70948175c2
[INFO] running `Command { std: "docker" "start" "-a" "4ab2afbccb77184a235c6f0987aab487f2ca5316aa7a41ae240bfe70948175c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/bytecode/mod.rs:355:17
[INFO] [stdout]     |
[INFO] [stdout] 355 |                 try!(self.source.read(&mut buf) // try to get next byte
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/compiler_tools/ast.rs:41:21
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl fmt::Debug for ASTNode {
[INFO] [stdout]    |                     ^^^^^^^
[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(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl fmt::Debug for dyn ASTNode {
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:236:45
[INFO] [stdout]     |
[INFO] [stdout] 236 |             .map_err(|why| String::from(why.description()))
[INFO] [stdout]     |                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:260:45
[INFO] [stdout]     |
[INFO] [stdout] 260 |             .map_err(|why| String::from(why.description()))
[INFO] [stdout]     |                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:309:53
[INFO] [stdout]     |
[INFO] [stdout] 309 |                     .map_err(|why| String::from(why.description()))
[INFO] [stdout]     |                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:316:53
[INFO] [stdout]     |
[INFO] [stdout] 316 |                     .map_err(|why| String::from(why.description()))
[INFO] [stdout]     |                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:322:55
[INFO] [stdout]     |
[INFO] [stdout] 322 |                     .map_err( |why | String::from(why.description()))
[INFO] [stdout]     |                                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:334:53
[INFO] [stdout]     |
[INFO] [stdout] 334 |                     .map_err(|why| String::from(why.description()))
[INFO] [stdout]     |                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:356:58
[INFO] [stdout]     |
[INFO] [stdout] 356 |                          .map_err(|why| String::from(why.description())));
[INFO] [stdout]     |                                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:400:46
[INFO] [stdout]     |
[INFO] [stdout] 400 |             Err(why) => Err(String::from(why.description()))
[INFO] [stdout]     |                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ByteOrder`
[INFO] [stdout]    --> src/bytecode/mod.rs:127:23
[INFO] [stdout]     |
[INFO] [stdout] 127 | use self::byteorder::{ByteOrder, BigEndian, ReadBytesExt, WriteBytesExt};
[INFO] [stdout]     |                       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex v1.7.1
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling quickcheck v1.0.3
[INFO] [stderr]    Compiling seax_util v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/bytecode/mod.rs:355:17
[INFO] [stdout]     |
[INFO] [stdout] 355 |                 try!(self.source.read(&mut buf) // try to get next byte
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/compiler_tools/ast.rs:41:21
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl fmt::Debug for ASTNode {
[INFO] [stdout]    |                     ^^^^^^^
[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(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl fmt::Debug for dyn ASTNode {
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:236:45
[INFO] [stdout]     |
[INFO] [stdout] 236 |             .map_err(|why| String::from(why.description()))
[INFO] [stdout]     |                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:260:45
[INFO] [stdout]     |
[INFO] [stdout] 260 |             .map_err(|why| String::from(why.description()))
[INFO] [stdout]     |                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:309:53
[INFO] [stdout]     |
[INFO] [stdout] 309 |                     .map_err(|why| String::from(why.description()))
[INFO] [stdout]     |                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:316:53
[INFO] [stdout]     |
[INFO] [stdout] 316 |                     .map_err(|why| String::from(why.description()))
[INFO] [stdout]     |                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:322:55
[INFO] [stdout]     |
[INFO] [stdout] 322 |                     .map_err( |why | String::from(why.description()))
[INFO] [stdout]     |                                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:334:53
[INFO] [stdout]     |
[INFO] [stdout] 334 |                     .map_err(|why| String::from(why.description()))
[INFO] [stdout]     |                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:356:58
[INFO] [stdout]     |
[INFO] [stdout] 356 |                          .map_err(|why| String::from(why.description())));
[INFO] [stdout]     |                                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:400:46
[INFO] [stdout]     |
[INFO] [stdout] 400 |             Err(why) => Err(String::from(why.description()))
[INFO] [stdout]     |                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ByteOrder`
[INFO] [stdout]    --> src/bytecode/mod.rs:127:23
[INFO] [stdout]     |
[INFO] [stdout] 127 | use self::byteorder::{ByteOrder, BigEndian, ReadBytesExt, WriteBytesExt};
[INFO] [stdout]     |                       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.62s
[INFO] running `Command { std: "docker" "inspect" "4ab2afbccb77184a235c6f0987aab487f2ca5316aa7a41ae240bfe70948175c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ab2afbccb77184a235c6f0987aab487f2ca5316aa7a41ae240bfe70948175c2", kill_on_drop: false }`
[INFO] [stdout] 4ab2afbccb77184a235c6f0987aab487f2ca5316aa7a41ae240bfe70948175c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+a40ec913238f4f188d97c41aa605cb486451acf2" "test" "--frozen" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 6358582e0a3972ae446170d379947e2167762ec546fe076d716093e12b5efa4e
[INFO] running `Command { std: "docker" "start" "-a" "6358582e0a3972ae446170d379947e2167762ec546fe076d716093e12b5efa4e", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/bytecode/mod.rs:355:17
[INFO] [stderr]     |
[INFO] [stderr] 355 |                 try!(self.source.read(&mut buf) // try to get next byte
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/compiler_tools/ast.rs:41:21
[INFO] [stderr]    |
[INFO] [stderr] 41 | impl fmt::Debug for ASTNode {
[INFO] [stderr]    |                     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 41 | impl fmt::Debug for dyn ASTNode {
[INFO] [stderr]    |                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/bytecode/mod.rs:236:45
[INFO] [stderr]     |
[INFO] [stderr] 236 |             .map_err(|why| String::from(why.description()))
[INFO] [stderr]     |                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/bytecode/mod.rs:260:45
[INFO] [stderr]     |
[INFO] [stderr] 260 |             .map_err(|why| String::from(why.description()))
[INFO] [stderr]     |                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/bytecode/mod.rs:309:53
[INFO] [stderr]     |
[INFO] [stderr] 309 |                     .map_err(|why| String::from(why.description()))
[INFO] [stderr]     |                                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/bytecode/mod.rs:316:53
[INFO] [stderr]     |
[INFO] [stderr] 316 |                     .map_err(|why| String::from(why.description()))
[INFO] [stderr]     |                                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/bytecode/mod.rs:322:55
[INFO] [stderr]     |
[INFO] [stderr] 322 |                     .map_err( |why | String::from(why.description()))
[INFO] [stderr]     |                                                       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/bytecode/mod.rs:334:53
[INFO] [stderr]     |
[INFO] [stderr] 334 |                     .map_err(|why| String::from(why.description()))
[INFO] [stderr]     |                                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/bytecode/mod.rs:356:58
[INFO] [stderr]     |
[INFO] [stderr] 356 |                          .map_err(|why| String::from(why.description())));
[INFO] [stderr]     |                                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/bytecode/mod.rs:400:46
[INFO] [stderr]     |
[INFO] [stderr] 400 |             Err(why) => Err(String::from(why.description()))
[INFO] [stderr]     |                                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ByteOrder`
[INFO] [stderr]    --> src/bytecode/mod.rs:127:23
[INFO] [stderr]     |
[INFO] [stderr] 127 | use self::byteorder::{ByteOrder, BigEndian, ReadBytesExt, WriteBytesExt};
[INFO] [stderr]     |                       ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `seax_util` (lib) generated 11 warnings
[INFO] [stderr] warning: `seax_util` (lib test) generated 11 warnings (11 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/seax_util-c47281d8d5329e15)
[INFO] [stdout] 
[INFO] [stdout] running 55 tests
[INFO] [stdout] test bytecode::tests::test_encode_inst_add ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_ap ... ok
[INFO] [stdout] test bytecode::tests::test_decode_program_no_ident ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_apcc ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_atom ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_car ... ok
[INFO] [stdout] test bytecode::tests::test_decode_program ... ok
[INFO] [stdout] test bytecode::tests::test_decode_program_wrong_version ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_cdr ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_cons ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_div ... ok
[INFO] [stdout] test bytecode::tests::prop_encode_uint ... ok
[INFO] [stdout] test bytecode::tests::prop_encode_char ... ok
[INFO] [stdout] test bytecode::tests::prop_encode_float ... ok
[INFO] [stdout] test bytecode::tests::prop_encode_sint ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_dum ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_eq ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_fdiv ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_gt ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_gte ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_join ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_ld ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_ldc ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_ldf ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_lt ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_lte ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_mod ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_mul ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_nil ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_null ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_rap ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_ret ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_sel ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_stop ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_sub ... ok
[INFO] [stdout] test bytecode::tests::test_encode_program_add ... ok
[INFO] [stdout] test bytecode::tests::test_encode_program_basic_branching_1 ... ok
[INFO] [stdout] test bytecode::tests::test_encode_program_basic_branching_2 ... ok
[INFO] [stdout] test bytecode::tests::test_encode_program_cdr ... ok
[INFO] [stdout] test bytecode::tests::test_encode_program_car ... ok
[INFO] [stdout] test bytecode::tests::test_encode_program_list_creation ... ok
[INFO] [stdout] test bytecode::tests::test_encode_program_nested_arith ... ok
[INFO] [stdout] test bytecode::tests::test_encode_simple_program ... ok
[INFO] [stdout] test bytecode::tests::test_encode_uint_zero ... ok
[INFO] [stdout] test cell::tests::test_atom_show ... ok
[INFO] [stdout] test list::tests::test_list_isize_indexing ... ok
[INFO] [stdout] test list::tests::test_list_iter ... ok
[INFO] [stdout] test list::tests::test_list_length ... ok
[INFO] [stdout] test list::tests::test_list_macro ... ok
[INFO] [stdout] test list::tests::test_list_to_string ... ok
[INFO] [stdout] test list::tests::test_list_usize_indexing ... ok
[INFO] [stdout] test list::tests::test_stack_length ... ok
[INFO] [stdout] test list::tests::test_stack_peek ... ok
[INFO] [stdout] test list::tests::test_stack_pop ... ok
[INFO] [stdout] test list::tests::test_stack_push ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 55 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6358582e0a3972ae446170d379947e2167762ec546fe076d716093e12b5efa4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6358582e0a3972ae446170d379947e2167762ec546fe076d716093e12b5efa4e", kill_on_drop: false }`
[INFO] [stdout] 6358582e0a3972ae446170d379947e2167762ec546fe076d716093e12b5efa4e