[INFO] fetching crate tabwriter-bin 0.2.1...
[INFO] testing tabwriter-bin-0.2.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate tabwriter-bin 0.2.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate tabwriter-bin 0.2.1 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 tabwriter-bin 0.2.1
[INFO] finished tweaking crates.io crate tabwriter-bin 0.2.1
[INFO] tweaked toml for crates.io crate tabwriter-bin 0.2.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate tabwriter-bin 0.2.1 already has a lockfile, it will not be regenerated
[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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] e5bce22ee975da9f4ae12de6207d8bc5e3d9c033a76cc3a7248fbb840b2c11be
[INFO] running `Command { std: "docker" "start" "-a" "e5bce22ee975da9f4ae12de6207d8bc5e3d9c033a76cc3a7248fbb840b2c11be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5bce22ee975da9f4ae12de6207d8bc5e3d9c033a76cc3a7248fbb840b2c11be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5bce22ee975da9f4ae12de6207d8bc5e3d9c033a76cc3a7248fbb840b2c11be", kill_on_drop: false }`
[INFO] [stdout] e5bce22ee975da9f4ae12de6207d8bc5e3d9c033a76cc3a7248fbb840b2c11be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 2c5d4448962244e555dbcf2e52aca49ce955ab08255a4c95fb1878fc48c48d39
[INFO] running `Command { std: "docker" "start" "-a" "2c5d4448962244e555dbcf2e52aca49ce955ab08255a4c95fb1878fc48c48d39", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling regex-syntax v0.6.13
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling tabwriter v1.2.1
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling regex v1.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling tabwriter-bin v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.77s
[INFO] running `Command { std: "docker" "inspect" "2c5d4448962244e555dbcf2e52aca49ce955ab08255a4c95fb1878fc48c48d39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c5d4448962244e555dbcf2e52aca49ce955ab08255a4c95fb1878fc48c48d39", kill_on_drop: false }`
[INFO] [stdout] 2c5d4448962244e555dbcf2e52aca49ce955ab08255a4c95fb1878fc48c48d39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] b1261916b8cf96bbe1c7298f862bf5340ff2f6dc1e3a580852abf9e39d5a58d3
[INFO] running `Command { std: "docker" "start" "-a" "b1261916b8cf96bbe1c7298f862bf5340ff2f6dc1e3a580852abf9e39d5a58d3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] running `Command { std: "docker" "inspect" "b1261916b8cf96bbe1c7298f862bf5340ff2f6dc1e3a580852abf9e39d5a58d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1261916b8cf96bbe1c7298f862bf5340ff2f6dc1e3a580852abf9e39d5a58d3", kill_on_drop: false }`
[INFO] [stdout] b1261916b8cf96bbe1c7298f862bf5340ff2f6dc1e3a580852abf9e39d5a58d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] f6f407d9131d486d63ff3a24526fe9ab35c2060c3671b1cda9ce39cd6e04eb95
[INFO] running `Command { std: "docker" "start" "-a" "f6f407d9131d486d63ff3a24526fe9ab35c2060c3671b1cda9ce39cd6e04eb95", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "f6f407d9131d486d63ff3a24526fe9ab35c2060c3671b1cda9ce39cd6e04eb95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6f407d9131d486d63ff3a24526fe9ab35c2060c3671b1cda9ce39cd6e04eb95", kill_on_drop: false }`
[INFO] [stdout] f6f407d9131d486d63ff3a24526fe9ab35c2060c3671b1cda9ce39cd6e04eb95