[INFO] fetching crate tap-reader 1.0.1...
[INFO] testing tap-reader-1.0.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate tap-reader 1.0.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate tap-reader 1.0.1 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 tap-reader 1.0.1
[INFO] finished tweaking crates.io crate tap-reader 1.0.1
[INFO] tweaked toml for crates.io crate tap-reader 1.0.1 written to /workspace/builds/worker-10/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] [stderr]     Blocking waiting for file lock on package cache
[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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 107222b3086572025642dd8b753ace117d4a82dc63fdbdeb94510b7d01567a81
[INFO] running `Command { std: "docker" "start" "-a" "107222b3086572025642dd8b753ace117d4a82dc63fdbdeb94510b7d01567a81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "107222b3086572025642dd8b753ace117d4a82dc63fdbdeb94510b7d01567a81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "107222b3086572025642dd8b753ace117d4a82dc63fdbdeb94510b7d01567a81", kill_on_drop: false }`
[INFO] [stdout] 107222b3086572025642dd8b753ace117d4a82dc63fdbdeb94510b7d01567a81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] b8a69e3fe9e3b9d8b26473ff13dc4be14694a48217de39d0c8f0228ca1f05410
[INFO] running `Command { std: "docker" "start" "-a" "b8a69e3fe9e3b9d8b26473ff13dc4be14694a48217de39d0c8f0228ca1f05410", kill_on_drop: false }`
[INFO] [stderr]    Compiling tap-reader v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "b8a69e3fe9e3b9d8b26473ff13dc4be14694a48217de39d0c8f0228ca1f05410", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8a69e3fe9e3b9d8b26473ff13dc4be14694a48217de39d0c8f0228ca1f05410", kill_on_drop: false }`
[INFO] [stdout] b8a69e3fe9e3b9d8b26473ff13dc4be14694a48217de39d0c8f0228ca1f05410
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 287fb2a0c46803c3ec4f651e3f84846c07bda6d93422f152ab65e593d50f6400
[INFO] running `Command { std: "docker" "start" "-a" "287fb2a0c46803c3ec4f651e3f84846c07bda6d93422f152ab65e593d50f6400", kill_on_drop: false }`
[INFO] [stderr]    Compiling tap-reader v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "287fb2a0c46803c3ec4f651e3f84846c07bda6d93422f152ab65e593d50f6400", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "287fb2a0c46803c3ec4f651e3f84846c07bda6d93422f152ab65e593d50f6400", kill_on_drop: false }`
[INFO] [stdout] 287fb2a0c46803c3ec4f651e3f84846c07bda6d93422f152ab65e593d50f6400
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 51bd1b5a544803bc54fadac3edb9082a0f3d0fde582dde669befb5ca0e68dcf6
[INFO] running `Command { std: "docker" "start" "-a" "51bd1b5a544803bc54fadac3edb9082a0f3d0fde582dde669befb5ca0e68dcf6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tap_reader-bd1611014b7d341d)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::tap_serde_deser ... ok
[INFO] [stdout] test tests::tap_cursor ... ok
[INFO] [stdout] test tests::test_large_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tap-reader
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - Tap<R>::new (line 118) ... ok
[INFO] [stdout] test src/lib.rs - Tap (line 89) ... ok
[INFO] [stdout] test src/lib.rs - (line 47) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.72s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "51bd1b5a544803bc54fadac3edb9082a0f3d0fde582dde669befb5ca0e68dcf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51bd1b5a544803bc54fadac3edb9082a0f3d0fde582dde669befb5ca0e68dcf6", kill_on_drop: false }`
[INFO] [stdout] 51bd1b5a544803bc54fadac3edb9082a0f3d0fde582dde669befb5ca0e68dcf6