[INFO] fetching crate polynomial_solver 0.1.0...
[INFO] testing polynomial_solver-0.1.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate polynomial_solver 0.1.0 into /workspace/builds/worker-1-tc1/source
[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-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate polynomial_solver 0.1.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e237c977d375e448d1119ba561ff177f057d5d5ed4cf803151eefb4b2c4311c
[INFO] running `Command { std: "docker" "start" "-a" "6e237c977d375e448d1119ba561ff177f057d5d5ed4cf803151eefb4b2c4311c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e237c977d375e448d1119ba561ff177f057d5d5ed4cf803151eefb4b2c4311c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e237c977d375e448d1119ba561ff177f057d5d5ed4cf803151eefb4b2c4311c", kill_on_drop: false }`
[INFO] [stdout] 6e237c977d375e448d1119ba561ff177f057d5d5ed4cf803151eefb4b2c4311c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1250e67e73a4a8fcdd626c9d7fa0f33049d57047c2480563f71a4cb4659bb9b2
[INFO] running `Command { std: "docker" "start" "-a" "1250e67e73a4a8fcdd626c9d7fa0f33049d57047c2480563f71a4cb4659bb9b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling polynomial_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "1250e67e73a4a8fcdd626c9d7fa0f33049d57047c2480563f71a4cb4659bb9b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1250e67e73a4a8fcdd626c9d7fa0f33049d57047c2480563f71a4cb4659bb9b2", kill_on_drop: false }`
[INFO] [stdout] 1250e67e73a4a8fcdd626c9d7fa0f33049d57047c2480563f71a4cb4659bb9b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1107b8b5d5d1f660d59b5cfa5d8d25de476b853f174041524b9f2ca28fe07f2
[INFO] running `Command { std: "docker" "start" "-a" "a1107b8b5d5d1f660d59b5cfa5d8d25de476b853f174041524b9f2ca28fe07f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling polynomial_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "a1107b8b5d5d1f660d59b5cfa5d8d25de476b853f174041524b9f2ca28fe07f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1107b8b5d5d1f660d59b5cfa5d8d25de476b853f174041524b9f2ca28fe07f2", kill_on_drop: false }`
[INFO] [stdout] a1107b8b5d5d1f660d59b5cfa5d8d25de476b853f174041524b9f2ca28fe07f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 50436897b8dc825945c2bc4c747e0b563402c3feb6fc0bb518f0872ee29523d1
[INFO] running `Command { std: "docker" "start" "-a" "50436897b8dc825945c2bc4c747e0b563402c3feb6fc0bb518f0872ee29523d1", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/polynomial_solver-fe21160a9a39a3d4)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/polynomial_solver-6b793aaa757a13d2)
[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] [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] [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" "50436897b8dc825945c2bc4c747e0b563402c3feb6fc0bb518f0872ee29523d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50436897b8dc825945c2bc4c747e0b563402c3feb6fc0bb518f0872ee29523d1", kill_on_drop: false }`
[INFO] [stdout] 50436897b8dc825945c2bc4c747e0b563402c3feb6fc0bb518f0872ee29523d1