[INFO] fetching crate concat_strs_impl 1.0.1...
[INFO] testing concat_strs_impl-1.0.1 against 1.54.0 for beta-1.55-1
[INFO] extracting crate concat_strs_impl 1.0.1 into /workspace/builds/worker-40/source
[INFO] validating manifest of crates.io crate concat_strs_impl 1.0.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate concat_strs_impl 1.0.1
[INFO] finished tweaking crates.io crate concat_strs_impl 1.0.1
[INFO] tweaked toml for crates.io crate concat_strs_impl 1.0.1 written to /workspace/builds/worker-40/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9ad00179814818cf39939f713e0faf876843f33da4025f303138c30b5470789
[INFO] running `Command { std: "docker" "start" "-a" "f9ad00179814818cf39939f713e0faf876843f33da4025f303138c30b5470789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9ad00179814818cf39939f713e0faf876843f33da4025f303138c30b5470789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9ad00179814818cf39939f713e0faf876843f33da4025f303138c30b5470789", kill_on_drop: false }`
[INFO] [stdout] f9ad00179814818cf39939f713e0faf876843f33da4025f303138c30b5470789
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3469b2bfd99473ef8f9418f711827b91852481701aa8648da1812ef5b6742543
[INFO] running `Command { std: "docker" "start" "-a" "3469b2bfd99473ef8f9418f711827b91852481701aa8648da1812ef5b6742543", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling concat_strs_impl v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.00s
[INFO] running `Command { std: "docker" "inspect" "3469b2bfd99473ef8f9418f711827b91852481701aa8648da1812ef5b6742543", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3469b2bfd99473ef8f9418f711827b91852481701aa8648da1812ef5b6742543", kill_on_drop: false }`
[INFO] [stdout] 3469b2bfd99473ef8f9418f711827b91852481701aa8648da1812ef5b6742543
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7df363641b0a9b3ae1ff6122c9373e380ad8ac792c010f773de32c844ee8ec8f
[INFO] running `Command { std: "docker" "start" "-a" "7df363641b0a9b3ae1ff6122c9373e380ad8ac792c010f773de32c844ee8ec8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling concat_strs_impl v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "7df363641b0a9b3ae1ff6122c9373e380ad8ac792c010f773de32c844ee8ec8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7df363641b0a9b3ae1ff6122c9373e380ad8ac792c010f773de32c844ee8ec8f", kill_on_drop: false }`
[INFO] [stdout] 7df363641b0a9b3ae1ff6122c9373e380ad8ac792c010f773de32c844ee8ec8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1be57a18290453a8a26cda860188974e27a6c2070105baed47b3d7d53d05735d
[INFO] running `Command { std: "docker" "start" "-a" "1be57a18290453a8a26cda860188974e27a6c2070105baed47b3d7d53d05735d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/concat_strs_impl-c452a02348e5269f)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests concat_strs_impl
[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] [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" "1be57a18290453a8a26cda860188974e27a6c2070105baed47b3d7d53d05735d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1be57a18290453a8a26cda860188974e27a6c2070105baed47b3d7d53d05735d", kill_on_drop: false }`
[INFO] [stdout] 1be57a18290453a8a26cda860188974e27a6c2070105baed47b3d7d53d05735d
