[INFO] fetching crate polynomial_solver 0.1.0...
[INFO] testing polynomial_solver-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate polynomial_solver 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate polynomial_solver 0.1.0 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 polynomial_solver 0.1.0
[INFO] finished tweaking crates.io crate polynomial_solver 0.1.0
[INFO] tweaked toml for crates.io crate polynomial_solver 0.1.0 written to /workspace/builds/worker-5/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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 85eab5b76b5878576112ad11c5897fc39d3e204cc13415d50635f6b343782c70
[INFO] running `Command { std: "docker" "start" "-a" "85eab5b76b5878576112ad11c5897fc39d3e204cc13415d50635f6b343782c70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85eab5b76b5878576112ad11c5897fc39d3e204cc13415d50635f6b343782c70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85eab5b76b5878576112ad11c5897fc39d3e204cc13415d50635f6b343782c70", kill_on_drop: false }`
[INFO] [stdout] 85eab5b76b5878576112ad11c5897fc39d3e204cc13415d50635f6b343782c70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 593ba5d24f4011d3ff9ea3ec4ce6bfa95aafbd314a789bd030f56cc484a4b46f
[INFO] running `Command { std: "docker" "start" "-a" "593ba5d24f4011d3ff9ea3ec4ce6bfa95aafbd314a789bd030f56cc484a4b46f", kill_on_drop: false }`
[INFO] [stderr]    Compiling polynomial_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "593ba5d24f4011d3ff9ea3ec4ce6bfa95aafbd314a789bd030f56cc484a4b46f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "593ba5d24f4011d3ff9ea3ec4ce6bfa95aafbd314a789bd030f56cc484a4b46f", kill_on_drop: false }`
[INFO] [stdout] 593ba5d24f4011d3ff9ea3ec4ce6bfa95aafbd314a789bd030f56cc484a4b46f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 196c5f63d4c1c6eecfe5a1055fb51de51a1ab9ed0eb3e7749fc51e2e4479118a
[INFO] running `Command { std: "docker" "start" "-a" "196c5f63d4c1c6eecfe5a1055fb51de51a1ab9ed0eb3e7749fc51e2e4479118a", kill_on_drop: false }`
[INFO] [stderr]    Compiling polynomial_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "196c5f63d4c1c6eecfe5a1055fb51de51a1ab9ed0eb3e7749fc51e2e4479118a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "196c5f63d4c1c6eecfe5a1055fb51de51a1ab9ed0eb3e7749fc51e2e4479118a", kill_on_drop: false }`
[INFO] [stdout] 196c5f63d4c1c6eecfe5a1055fb51de51a1ab9ed0eb3e7749fc51e2e4479118a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] e0ee359d05a5134b1753f93483a35cab72e940576ba5f5b076daa2ee57c63907
[INFO] running `Command { std: "docker" "start" "-a" "e0ee359d05a5134b1753f93483a35cab72e940576ba5f5b076daa2ee57c63907", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/polynomial_solver-bcf0e888527973c8)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/polynomial_solver-d4ca9b9b62d44eb0)
[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] [stderr]    Doc-tests polynomial_solver
[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" "e0ee359d05a5134b1753f93483a35cab72e940576ba5f5b076daa2ee57c63907", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0ee359d05a5134b1753f93483a35cab72e940576ba5f5b076daa2ee57c63907", kill_on_drop: false }`
[INFO] [stdout] e0ee359d05a5134b1753f93483a35cab72e940576ba5f5b076daa2ee57c63907