[INFO] fetching crate fmt2io 0.2.0...
[INFO] testing fmt2io-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate fmt2io 0.2.0 into /workspace/builds/worker-52/source
[INFO] validating manifest of crates.io crate fmt2io 0.2.0 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 fmt2io 0.2.0
[INFO] finished tweaking crates.io crate fmt2io 0.2.0
[INFO] tweaked toml for crates.io crate fmt2io 0.2.0 written to /workspace/builds/worker-52/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-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] 312a377d0e36d0405450c812bc7f0a260c0fc31b31387587f97881e1402fca0f
[INFO] running `Command { std: "docker" "start" "-a" "312a377d0e36d0405450c812bc7f0a260c0fc31b31387587f97881e1402fca0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "312a377d0e36d0405450c812bc7f0a260c0fc31b31387587f97881e1402fca0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "312a377d0e36d0405450c812bc7f0a260c0fc31b31387587f97881e1402fca0f", kill_on_drop: false }`
[INFO] [stdout] 312a377d0e36d0405450c812bc7f0a260c0fc31b31387587f97881e1402fca0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] e37e17d1a4793f1db2fea9da7d26b4bd2b5f91eb68c33f8327b9b6ee95e75882
[INFO] running `Command { std: "docker" "start" "-a" "e37e17d1a4793f1db2fea9da7d26b4bd2b5f91eb68c33f8327b9b6ee95e75882", kill_on_drop: false }`
[INFO] [stderr]    Compiling fmt2io v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "e37e17d1a4793f1db2fea9da7d26b4bd2b5f91eb68c33f8327b9b6ee95e75882", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e37e17d1a4793f1db2fea9da7d26b4bd2b5f91eb68c33f8327b9b6ee95e75882", kill_on_drop: false }`
[INFO] [stdout] e37e17d1a4793f1db2fea9da7d26b4bd2b5f91eb68c33f8327b9b6ee95e75882
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] b188a825814999770c13d44f049f06548690d92b80b787e84334473e33c4b71a
[INFO] running `Command { std: "docker" "start" "-a" "b188a825814999770c13d44f049f06548690d92b80b787e84334473e33c4b71a", kill_on_drop: false }`
[INFO] [stderr]    Compiling fmt2io v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "b188a825814999770c13d44f049f06548690d92b80b787e84334473e33c4b71a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b188a825814999770c13d44f049f06548690d92b80b787e84334473e33c4b71a", kill_on_drop: false }`
[INFO] [stdout] b188a825814999770c13d44f049f06548690d92b80b787e84334473e33c4b71a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] 8876937d03e5971f575555129501a53a96ca36d6bda547538e745d05d4a41a1f
[INFO] running `Command { std: "docker" "start" "-a" "8876937d03e5971f575555129501a53a96ca36d6bda547538e745d05d4a41a1f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fmt2io-54923d8ae3e2b6c3)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests fmt2io
[INFO] [stdout] test tests::it_works ... 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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 12) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.32s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8876937d03e5971f575555129501a53a96ca36d6bda547538e745d05d4a41a1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8876937d03e5971f575555129501a53a96ca36d6bda547538e745d05d4a41a1f", kill_on_drop: false }`
[INFO] [stdout] 8876937d03e5971f575555129501a53a96ca36d6bda547538e745d05d4a41a1f