[INFO] fetching crate array-concat 0.5.1...
[INFO] testing array-concat-0.5.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate array-concat 0.5.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate array-concat 0.5.1 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 array-concat 0.5.1
[INFO] finished tweaking crates.io crate array-concat 0.5.1
[INFO] tweaked toml for crates.io crate array-concat 0.5.1 written to /workspace/builds/worker-12/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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 594eda603caa5ebff3d167980a9eabd9b6d4501a65f1c7762de6d5534aa31d14
[INFO] running `Command { std: "docker" "start" "-a" "594eda603caa5ebff3d167980a9eabd9b6d4501a65f1c7762de6d5534aa31d14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "594eda603caa5ebff3d167980a9eabd9b6d4501a65f1c7762de6d5534aa31d14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "594eda603caa5ebff3d167980a9eabd9b6d4501a65f1c7762de6d5534aa31d14", kill_on_drop: false }`
[INFO] [stdout] 594eda603caa5ebff3d167980a9eabd9b6d4501a65f1c7762de6d5534aa31d14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] c3b9beee919b1a3912c322296eb0f002c608eb9435a9874bbfef3e650525b67b
[INFO] running `Command { std: "docker" "start" "-a" "c3b9beee919b1a3912c322296eb0f002c608eb9435a9874bbfef3e650525b67b", kill_on_drop: false }`
[INFO] [stderr]    Compiling array-concat v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "c3b9beee919b1a3912c322296eb0f002c608eb9435a9874bbfef3e650525b67b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3b9beee919b1a3912c322296eb0f002c608eb9435a9874bbfef3e650525b67b", kill_on_drop: false }`
[INFO] [stdout] c3b9beee919b1a3912c322296eb0f002c608eb9435a9874bbfef3e650525b67b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] cabb48b510550a4a8c0f3f88b978b10567a03cc7fc76ebcd1972f74dfad2a4db
[INFO] running `Command { std: "docker" "start" "-a" "cabb48b510550a4a8c0f3f88b978b10567a03cc7fc76ebcd1972f74dfad2a4db", kill_on_drop: false }`
[INFO] [stderr]    Compiling array-concat v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "cabb48b510550a4a8c0f3f88b978b10567a03cc7fc76ebcd1972f74dfad2a4db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cabb48b510550a4a8c0f3f88b978b10567a03cc7fc76ebcd1972f74dfad2a4db", kill_on_drop: false }`
[INFO] [stdout] cabb48b510550a4a8c0f3f88b978b10567a03cc7fc76ebcd1972f74dfad2a4db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 03b8374858e65825e4da68de9b795d997ae06d43ac0683e5ae2842f6a62ac345
[INFO] running `Command { std: "docker" "start" "-a" "03b8374858e65825e4da68de9b795d997ae06d43ac0683e5ae2842f6a62ac345", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/array_concat-5bd66e703025be1b)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_different_sizes ... ok
[INFO] [stdout] test tests::test_simple_concat ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests array-concat
[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" "03b8374858e65825e4da68de9b795d997ae06d43ac0683e5ae2842f6a62ac345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03b8374858e65825e4da68de9b795d997ae06d43ac0683e5ae2842f6a62ac345", kill_on_drop: false }`
[INFO] [stdout] 03b8374858e65825e4da68de9b795d997ae06d43ac0683e5ae2842f6a62ac345