[INFO] fetching crate fs-tail 0.1.4...
[INFO] testing fs-tail-0.1.4 against 1.59.0 for beta-1.60-1
[INFO] extracting crate fs-tail 0.1.4 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate fs-tail 0.1.4 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fs-tail 0.1.4
[INFO] finished tweaking crates.io crate fs-tail 0.1.4
[INFO] tweaked toml for crates.io crate fs-tail 0.1.4 written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9d041a4e765bfa333b6eb449c7a0491a31a84c6c7fde657a80c4190de47edd5
[INFO] running `Command { std: "docker" "start" "-a" "b9d041a4e765bfa333b6eb449c7a0491a31a84c6c7fde657a80c4190de47edd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9d041a4e765bfa333b6eb449c7a0491a31a84c6c7fde657a80c4190de47edd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9d041a4e765bfa333b6eb449c7a0491a31a84c6c7fde657a80c4190de47edd5", kill_on_drop: false }`
[INFO] [stdout] b9d041a4e765bfa333b6eb449c7a0491a31a84c6c7fde657a80c4190de47edd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2da7f4cec9a2886200db5621e8074618c90367003869a07b7caeef81eaa45757
[INFO] running `Command { std: "docker" "start" "-a" "2da7f4cec9a2886200db5621e8074618c90367003869a07b7caeef81eaa45757", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling fs-tail v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.13s
[INFO] running `Command { std: "docker" "inspect" "2da7f4cec9a2886200db5621e8074618c90367003869a07b7caeef81eaa45757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2da7f4cec9a2886200db5621e8074618c90367003869a07b7caeef81eaa45757", kill_on_drop: false }`
[INFO] [stdout] 2da7f4cec9a2886200db5621e8074618c90367003869a07b7caeef81eaa45757
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22474a2b7d129231c7d2fa15a565af621df3b0dcbd16a94aff6c88e21f6b50d6
[INFO] running `Command { std: "docker" "start" "-a" "22474a2b7d129231c7d2fa15a565af621df3b0dcbd16a94aff6c88e21f6b50d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling fs-tail v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "22474a2b7d129231c7d2fa15a565af621df3b0dcbd16a94aff6c88e21f6b50d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22474a2b7d129231c7d2fa15a565af621df3b0dcbd16a94aff6c88e21f6b50d6", kill_on_drop: false }`
[INFO] [stdout] 22474a2b7d129231c7d2fa15a565af621df3b0dcbd16a94aff6c88e21f6b50d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c45a72c0231ea93a013ea50ffdaabbaa8cbf1f7ffa8b163a2514900340aa2fc4
[INFO] running `Command { std: "docker" "start" "-a" "c45a72c0231ea93a013ea50ffdaabbaa8cbf1f7ffa8b163a2514900340aa2fc4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fs_tail-f44f021913476d78)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fs-tail
[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" "c45a72c0231ea93a013ea50ffdaabbaa8cbf1f7ffa8b163a2514900340aa2fc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c45a72c0231ea93a013ea50ffdaabbaa8cbf1f7ffa8b163a2514900340aa2fc4", kill_on_drop: false }`
[INFO] [stdout] c45a72c0231ea93a013ea50ffdaabbaa8cbf1f7ffa8b163a2514900340aa2fc4