[INFO] fetching crate tow 0.0.1...
[INFO] testing tow-0.0.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate tow 0.0.1 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate tow 0.0.1 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 tow 0.0.1
[INFO] finished tweaking crates.io crate tow 0.0.1
[INFO] tweaked toml for crates.io crate tow 0.0.1 written to /workspace/builds/worker-23/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-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 4a479de483bbb243cef213c0f4ff61002e24bec7c60ddbb2fd7bd4e51f793b63
[INFO] running `Command { std: "docker" "start" "-a" "4a479de483bbb243cef213c0f4ff61002e24bec7c60ddbb2fd7bd4e51f793b63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a479de483bbb243cef213c0f4ff61002e24bec7c60ddbb2fd7bd4e51f793b63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a479de483bbb243cef213c0f4ff61002e24bec7c60ddbb2fd7bd4e51f793b63", kill_on_drop: false }`
[INFO] [stdout] 4a479de483bbb243cef213c0f4ff61002e24bec7c60ddbb2fd7bd4e51f793b63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 8b5c553b817fec446c9bd580a7a6271e39658d12f6ab89838e8344e5cd211d1d
[INFO] running `Command { std: "docker" "start" "-a" "8b5c553b817fec446c9bd580a7a6271e39658d12f6ab89838e8344e5cd211d1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling tow v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "8b5c553b817fec446c9bd580a7a6271e39658d12f6ab89838e8344e5cd211d1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b5c553b817fec446c9bd580a7a6271e39658d12f6ab89838e8344e5cd211d1d", kill_on_drop: false }`
[INFO] [stdout] 8b5c553b817fec446c9bd580a7a6271e39658d12f6ab89838e8344e5cd211d1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 9889d5c1dfcef1b2e0423f00e2a1ab4de7fb746b815990465a627b697c2de156
[INFO] running `Command { std: "docker" "start" "-a" "9889d5c1dfcef1b2e0423f00e2a1ab4de7fb746b815990465a627b697c2de156", kill_on_drop: false }`
[INFO] [stderr]    Compiling tow v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "9889d5c1dfcef1b2e0423f00e2a1ab4de7fb746b815990465a627b697c2de156", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9889d5c1dfcef1b2e0423f00e2a1ab4de7fb746b815990465a627b697c2de156", kill_on_drop: false }`
[INFO] [stdout] 9889d5c1dfcef1b2e0423f00e2a1ab4de7fb746b815990465a627b697c2de156
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 7cb07752d4c7eb83d034c2327c742d18ba0fa666eacbf62abf8288c7cddf0708
[INFO] running `Command { std: "docker" "start" "-a" "7cb07752d4c7eb83d034c2327c742d18ba0fa666eacbf62abf8288c7cddf0708", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tow-e5e7dc8dfc448506)
[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" "7cb07752d4c7eb83d034c2327c742d18ba0fa666eacbf62abf8288c7cddf0708", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cb07752d4c7eb83d034c2327c742d18ba0fa666eacbf62abf8288c7cddf0708", kill_on_drop: false }`
[INFO] [stdout] 7cb07752d4c7eb83d034c2327c742d18ba0fa666eacbf62abf8288c7cddf0708