[INFO] fetching crate polynomial 0.1.0...
[INFO] testing polynomial-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate polynomial 0.1.0 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate polynomial 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate polynomial 0.1.0
[INFO] finished tweaking crates.io crate polynomial 0.1.0
[INFO] tweaked toml for crates.io crate polynomial 0.1.0 written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8883c8246a7bea897f6165cb6a8ab6f22d3c983f5a78080a36aaae95b53c8aa8
[INFO] running `Command { std: "docker" "start" "-a" "8883c8246a7bea897f6165cb6a8ab6f22d3c983f5a78080a36aaae95b53c8aa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8883c8246a7bea897f6165cb6a8ab6f22d3c983f5a78080a36aaae95b53c8aa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8883c8246a7bea897f6165cb6a8ab6f22d3c983f5a78080a36aaae95b53c8aa8", kill_on_drop: false }`
[INFO] [stdout] 8883c8246a7bea897f6165cb6a8ab6f22d3c983f5a78080a36aaae95b53c8aa8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4fee80d3611a1a08a80f6b7cbb3171926af30c2e05fd8987bbe4017f65d16bb
[INFO] running `Command { std: "docker" "start" "-a" "e4fee80d3611a1a08a80f6b7cbb3171926af30c2e05fd8987bbe4017f65d16bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling polynomial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "e4fee80d3611a1a08a80f6b7cbb3171926af30c2e05fd8987bbe4017f65d16bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4fee80d3611a1a08a80f6b7cbb3171926af30c2e05fd8987bbe4017f65d16bb", kill_on_drop: false }`
[INFO] [stdout] e4fee80d3611a1a08a80f6b7cbb3171926af30c2e05fd8987bbe4017f65d16bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ce2a672dbb93b43229cf0e10132be1c0155daba5d7447860198ccadae024287
[INFO] running `Command { std: "docker" "start" "-a" "9ce2a672dbb93b43229cf0e10132be1c0155daba5d7447860198ccadae024287", kill_on_drop: false }`
[INFO] [stderr]    Compiling polynomial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "9ce2a672dbb93b43229cf0e10132be1c0155daba5d7447860198ccadae024287", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ce2a672dbb93b43229cf0e10132be1c0155daba5d7447860198ccadae024287", kill_on_drop: false }`
[INFO] [stdout] 9ce2a672dbb93b43229cf0e10132be1c0155daba5d7447860198ccadae024287
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e1471197d8758ac6b88ec965d29c726b7bcf3270d9281f5b00f7a00edec8f7ff
[INFO] running `Command { std: "docker" "start" "-a" "e1471197d8758ac6b88ec965d29c726b7bcf3270d9281f5b00f7a00edec8f7ff", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/polynomial-f1c5effed48ee3f6)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::eval ... ok
[INFO] [stdout] test tests::mul ... ok
[INFO] [stdout] test tests::new ... ok
[INFO] [stdout] test tests::pretty ... ok
[INFO] [stdout] test tests::neg_add_sub ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests polynomial
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - Polynomial<T>::eval (line 45) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<T>::new (line 28) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e1471197d8758ac6b88ec965d29c726b7bcf3270d9281f5b00f7a00edec8f7ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1471197d8758ac6b88ec965d29c726b7bcf3270d9281f5b00f7a00edec8f7ff", kill_on_drop: false }`
[INFO] [stdout] e1471197d8758ac6b88ec965d29c726b7bcf3270d9281f5b00f7a00edec8f7ff