[INFO] fetching crate step_polyfill 0.1.0...
[INFO] testing step_polyfill-0.1.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate step_polyfill 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate step_polyfill 0.1.0
[INFO] finished tweaking crates.io crate step_polyfill 0.1.0
[INFO] tweaked toml for crates.io crate step_polyfill 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate step_polyfill 0.1.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 502d2c5b6301d5aa65ba827ebacad09ef4af3cdab7fa27503ebb9073811c456a
[INFO] running `Command { std: "docker" "start" "-a" "502d2c5b6301d5aa65ba827ebacad09ef4af3cdab7fa27503ebb9073811c456a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "502d2c5b6301d5aa65ba827ebacad09ef4af3cdab7fa27503ebb9073811c456a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "502d2c5b6301d5aa65ba827ebacad09ef4af3cdab7fa27503ebb9073811c456a", kill_on_drop: false }`
[INFO] [stdout] 502d2c5b6301d5aa65ba827ebacad09ef4af3cdab7fa27503ebb9073811c456a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7efe09c38e77b8e5c7b6303d0ecf661611f5e80bb6b1172ad2a34b8be81e421c
[INFO] running `Command { std: "docker" "start" "-a" "7efe09c38e77b8e5c7b6303d0ecf661611f5e80bb6b1172ad2a34b8be81e421c", kill_on_drop: false }`
[INFO] [stderr]    Compiling step_polyfill v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "7efe09c38e77b8e5c7b6303d0ecf661611f5e80bb6b1172ad2a34b8be81e421c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7efe09c38e77b8e5c7b6303d0ecf661611f5e80bb6b1172ad2a34b8be81e421c", kill_on_drop: false }`
[INFO] [stdout] 7efe09c38e77b8e5c7b6303d0ecf661611f5e80bb6b1172ad2a34b8be81e421c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 830b15c42daee04b15b88f795b44b0ed4bb0fcf6514897d22203c4b808c077f6
[INFO] running `Command { std: "docker" "start" "-a" "830b15c42daee04b15b88f795b44b0ed4bb0fcf6514897d22203c4b808c077f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling step_polyfill v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "830b15c42daee04b15b88f795b44b0ed4bb0fcf6514897d22203c4b808c077f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "830b15c42daee04b15b88f795b44b0ed4bb0fcf6514897d22203c4b808c077f6", kill_on_drop: false }`
[INFO] [stdout] 830b15c42daee04b15b88f795b44b0ed4bb0fcf6514897d22203c4b808c077f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7c410f0dac0f392b47131cd54f779fb5e871b5612d770662ee4a28b9ff8e50aa
[INFO] running `Command { std: "docker" "start" "-a" "7c410f0dac0f392b47131cd54f779fb5e871b5612d770662ee4a28b9ff8e50aa", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/step_polyfill-47d29022da2d0c6c)
[INFO] [stdout] running 27 tests
[INFO] [stdout] test test::test_char_az ... ok
[INFO] [stdout] test test::test_i16 ... ok
[INFO] [stdout] test test::test_char_hole ... ok
[INFO] [stdout] test test::test_i128 ... ok
[INFO] [stdout] test test::test_i32 ... ok
[INFO] [stdout] test test::test_i64 ... ok
[INFO] [stdout] test test::test_i32_range ... ok
[INFO] [stdout] test test::test_i64_range ... ok
[INFO] [stdout] test test::test_i8 ... ok
[INFO] [stdout] test test::test_isize ... ok
[INFO] [stdout] test test::test_i128_range ... ok
[INFO] [stdout] test test::test_isize_range ... ok
[INFO] [stdout] test test::test_i8_range ... ok
[INFO] [stdout] test test::test_u16_range ... ok
[INFO] [stdout] test test::test_char_range ... ok
[INFO] [stdout] test test::test_u128 ... ok
[INFO] [stdout] test test::test_u128_range ... ok
[INFO] [stdout] test test::test_u32 ... ok
[INFO] [stdout] test test::test_u32_range ... ok
[INFO] [stdout] test test::test_i16_range ... ok
[INFO] [stdout] test test::test_u64 ... ok
[INFO] [stdout] test test::test_u64_range ... ok
[INFO] [stdout] test test::test_u8 ... ok
[INFO] [stdout] test test::test_u8_range ... ok
[INFO] [stdout] test test::test_usize ... ok
[INFO] [stdout] test test::test_usize_range ... ok
[INFO] [stdout] test test::test_u16 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests step_polyfill
[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" "7c410f0dac0f392b47131cd54f779fb5e871b5612d770662ee4a28b9ff8e50aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c410f0dac0f392b47131cd54f779fb5e871b5612d770662ee4a28b9ff8e50aa", kill_on_drop: false }`
[INFO] [stdout] 7c410f0dac0f392b47131cd54f779fb5e871b5612d770662ee4a28b9ff8e50aa