[INFO] fetching crate trans-gen-core 0.3.0-alpha.2...
[INFO] testing trans-gen-core-0.3.0-alpha.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate trans-gen-core 0.3.0-alpha.2 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate trans-gen-core 0.3.0-alpha.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate trans-gen-core 0.3.0-alpha.2
[INFO] finished tweaking crates.io crate trans-gen-core 0.3.0-alpha.2
[INFO] tweaked toml for crates.io crate trans-gen-core 0.3.0-alpha.2 written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d83022565f4359f4f0c6894d4a4d3a72fcc5a38edd61b8215401fe4d3e91efd
[INFO] running `Command { std: "docker" "start" "-a" "7d83022565f4359f4f0c6894d4a4d3a72fcc5a38edd61b8215401fe4d3e91efd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d83022565f4359f4f0c6894d4a4d3a72fcc5a38edd61b8215401fe4d3e91efd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d83022565f4359f4f0c6894d4a4d3a72fcc5a38edd61b8215401fe4d3e91efd", kill_on_drop: false }`
[INFO] [stdout] 7d83022565f4359f4f0c6894d4a4d3a72fcc5a38edd61b8215401fe4d3e91efd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d8a99ab4a0587f949425f62028319163f5a9be7e3278bf209edaae17ce175b0
[INFO] running `Command { std: "docker" "start" "-a" "5d8a99ab4a0587f949425f62028319163f5a9be7e3278bf209edaae17ce175b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling trans-derive v0.3.0
[INFO] [stderr]    Compiling include_dir_impl v0.6.2
[INFO] [stderr]    Compiling include_dir v0.6.2
[INFO] [stderr]    Compiling trans v0.3.0
[INFO] [stderr]    Compiling trans-gen-core v0.3.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/lib.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.67s
[INFO] running `Command { std: "docker" "inspect" "5d8a99ab4a0587f949425f62028319163f5a9be7e3278bf209edaae17ce175b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d8a99ab4a0587f949425f62028319163f5a9be7e3278bf209edaae17ce175b0", kill_on_drop: false }`
[INFO] [stdout] 5d8a99ab4a0587f949425f62028319163f5a9be7e3278bf209edaae17ce175b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e449708604bd83b00db2497f9cd7bfb23c5be023f1f0fedaca12c69451e1b780
[INFO] running `Command { std: "docker" "start" "-a" "e449708604bd83b00db2497f9cd7bfb23c5be023f1f0fedaca12c69451e1b780", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling trans-gen-core v0.3.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/lib.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/lib.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "e449708604bd83b00db2497f9cd7bfb23c5be023f1f0fedaca12c69451e1b780", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e449708604bd83b00db2497f9cd7bfb23c5be023f1f0fedaca12c69451e1b780", kill_on_drop: false }`
[INFO] [stdout] e449708604bd83b00db2497f9cd7bfb23c5be023f1f0fedaca12c69451e1b780
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8e28b548d8e264416a6ac0ac243b9c3aa6856488bac6be251f61a328734aef9f
[INFO] running `Command { std: "docker" "start" "-a" "8e28b548d8e264416a6ac0ac243b9c3aa6856488bac6be251f61a328734aef9f", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `HashSet`
[INFO] [stderr]  --> src/lib.rs:1:33
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]   |                                 ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `trans-gen-core` (lib) generated 1 warning
[INFO] [stderr] warning: `trans-gen-core` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/trans_gen_core-7372195cbf9d1244)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests trans-gen-core
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8e28b548d8e264416a6ac0ac243b9c3aa6856488bac6be251f61a328734aef9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e28b548d8e264416a6ac0ac243b9c3aa6856488bac6be251f61a328734aef9f", kill_on_drop: false }`
[INFO] [stdout] 8e28b548d8e264416a6ac0ac243b9c3aa6856488bac6be251f61a328734aef9f