[INFO] fetching crate byter 0.0.0...
[INFO] testing byter-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate byter 0.0.0 into /workspace/builds/worker-104/source
[INFO] validating manifest of crates.io crate byter 0.0.0 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 byter 0.0.0
[INFO] finished tweaking crates.io crate byter 0.0.0
[INFO] tweaked toml for crates.io crate byter 0.0.0 written to /workspace/builds/worker-104/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-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] 0bdb7078d2ccd882c3e082348d6e84207c4666604e71b9c68bec5c4a710a98b2
[INFO] running `Command { std: "docker" "start" "-a" "0bdb7078d2ccd882c3e082348d6e84207c4666604e71b9c68bec5c4a710a98b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bdb7078d2ccd882c3e082348d6e84207c4666604e71b9c68bec5c4a710a98b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bdb7078d2ccd882c3e082348d6e84207c4666604e71b9c68bec5c4a710a98b2", kill_on_drop: false }`
[INFO] [stdout] 0bdb7078d2ccd882c3e082348d6e84207c4666604e71b9c68bec5c4a710a98b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] f2080358fa3bd2acbb2e2af3493523d18bc0cacfd49dbe09f5ad5c4d50c52c41
[INFO] running `Command { std: "docker" "start" "-a" "f2080358fa3bd2acbb2e2af3493523d18bc0cacfd49dbe09f5ad5c4d50c52c41", kill_on_drop: false }`
[INFO] [stderr]    Compiling byter v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "f2080358fa3bd2acbb2e2af3493523d18bc0cacfd49dbe09f5ad5c4d50c52c41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2080358fa3bd2acbb2e2af3493523d18bc0cacfd49dbe09f5ad5c4d50c52c41", kill_on_drop: false }`
[INFO] [stdout] f2080358fa3bd2acbb2e2af3493523d18bc0cacfd49dbe09f5ad5c4d50c52c41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] 1527921a8773cc90410211bebfb72b35e82573206f81edc4a09e993574c0eb27
[INFO] running `Command { std: "docker" "start" "-a" "1527921a8773cc90410211bebfb72b35e82573206f81edc4a09e993574c0eb27", kill_on_drop: false }`
[INFO] [stderr]    Compiling byter v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "1527921a8773cc90410211bebfb72b35e82573206f81edc4a09e993574c0eb27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1527921a8773cc90410211bebfb72b35e82573206f81edc4a09e993574c0eb27", kill_on_drop: false }`
[INFO] [stdout] 1527921a8773cc90410211bebfb72b35e82573206f81edc4a09e993574c0eb27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] ada4dff102755a3f0a3020479deb9242706f155515c9fe6b8cb4af421dda614d
[INFO] running `Command { std: "docker" "start" "-a" "ada4dff102755a3f0a3020479deb9242706f155515c9fe6b8cb4af421dda614d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/byter-da89b3e6164cc467)
[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] [stderr]    Doc-tests byter
[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" "ada4dff102755a3f0a3020479deb9242706f155515c9fe6b8cb4af421dda614d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ada4dff102755a3f0a3020479deb9242706f155515c9fe6b8cb4af421dda614d", kill_on_drop: false }`
[INFO] [stdout] ada4dff102755a3f0a3020479deb9242706f155515c9fe6b8cb4af421dda614d