[INFO] fetching crate is-impl 0.1.1...
[INFO] testing is-impl-0.1.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate is-impl 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate is-impl 0.1.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate is-impl 0.1.1
[INFO] finished tweaking crates.io crate is-impl 0.1.1
[INFO] tweaked toml for crates.io crate is-impl 0.1.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate is-impl 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e6500400a9c0a7c3b9ac002629c72c34ebed81ccf20ba4de2d2a6d86afa8dc5
[INFO] running `Command { std: "docker" "start" "-a" "5e6500400a9c0a7c3b9ac002629c72c34ebed81ccf20ba4de2d2a6d86afa8dc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e6500400a9c0a7c3b9ac002629c72c34ebed81ccf20ba4de2d2a6d86afa8dc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e6500400a9c0a7c3b9ac002629c72c34ebed81ccf20ba4de2d2a6d86afa8dc5", kill_on_drop: false }`
[INFO] [stdout] 5e6500400a9c0a7c3b9ac002629c72c34ebed81ccf20ba4de2d2a6d86afa8dc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8ee18f5312e58d35f39d89f4fa6686bf129d6c9d43ee179754ddeda931ca087
[INFO] running `Command { std: "docker" "start" "-a" "d8ee18f5312e58d35f39d89f4fa6686bf129d6c9d43ee179754ddeda931ca087", kill_on_drop: false }`
[INFO] [stderr]    Compiling is-impl v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "d8ee18f5312e58d35f39d89f4fa6686bf129d6c9d43ee179754ddeda931ca087", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8ee18f5312e58d35f39d89f4fa6686bf129d6c9d43ee179754ddeda931ca087", kill_on_drop: false }`
[INFO] [stdout] d8ee18f5312e58d35f39d89f4fa6686bf129d6c9d43ee179754ddeda931ca087
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d57299be00bfc65b8e07f95f8c52973dc3ec87adc12f9f0d0ddad0c3806ce347
[INFO] running `Command { std: "docker" "start" "-a" "d57299be00bfc65b8e07f95f8c52973dc3ec87adc12f9f0d0ddad0c3806ce347", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling num_cpus v1.11.0
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling is-impl v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.07s
[INFO] running `Command { std: "docker" "inspect" "d57299be00bfc65b8e07f95f8c52973dc3ec87adc12f9f0d0ddad0c3806ce347", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d57299be00bfc65b8e07f95f8c52973dc3ec87adc12f9f0d0ddad0c3806ce347", kill_on_drop: false }`
[INFO] [stdout] d57299be00bfc65b8e07f95f8c52973dc3ec87adc12f9f0d0ddad0c3806ce347
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 91af19ff20a74b60f78c6013959aef5f95fb7d56a42ff857505652ffc142f1a0
[INFO] running `Command { std: "docker" "start" "-a" "91af19ff20a74b60f78c6013959aef5f95fb7d56a42ff857505652ffc142f1a0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/is_impl-bc93e7ca8a6181a5)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::basic_usage ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests is-impl
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - is_impl (line 8) ... ok
[INFO] [stdout] test src/lib.rs - is_impl (line 16) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.27s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "91af19ff20a74b60f78c6013959aef5f95fb7d56a42ff857505652ffc142f1a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91af19ff20a74b60f78c6013959aef5f95fb7d56a42ff857505652ffc142f1a0", kill_on_drop: false }`
[INFO] [stdout] 91af19ff20a74b60f78c6013959aef5f95fb7d56a42ff857505652ffc142f1a0