[INFO] fetching crate mango_compiler_optimizing 0.1.0...
[INFO] testing mango_compiler_optimizing-0.1.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate mango_compiler_optimizing 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate mango_compiler_optimizing 0.1.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mango_compiler_optimizing 0.1.0
[INFO] finished tweaking crates.io crate mango_compiler_optimizing 0.1.0
[INFO] tweaked toml for crates.io crate mango_compiler_optimizing 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7cfd8db47cfdb418c3415babed587d1a4b0c6d42a8da89741662b08651b0477
[INFO] running `Command { std: "docker" "start" "-a" "a7cfd8db47cfdb418c3415babed587d1a4b0c6d42a8da89741662b08651b0477", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7cfd8db47cfdb418c3415babed587d1a4b0c6d42a8da89741662b08651b0477", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7cfd8db47cfdb418c3415babed587d1a4b0c6d42a8da89741662b08651b0477", kill_on_drop: false }`
[INFO] [stdout] a7cfd8db47cfdb418c3415babed587d1a4b0c6d42a8da89741662b08651b0477
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90c3624630793e714730eb62ca075d5b56c4dffc15d5c90f7502cdaf3fa5bc4f
[INFO] running `Command { std: "docker" "start" "-a" "90c3624630793e714730eb62ca075d5b56c4dffc15d5c90f7502cdaf3fa5bc4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling mango_compiler_optimizing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "90c3624630793e714730eb62ca075d5b56c4dffc15d5c90f7502cdaf3fa5bc4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90c3624630793e714730eb62ca075d5b56c4dffc15d5c90f7502cdaf3fa5bc4f", kill_on_drop: false }`
[INFO] [stdout] 90c3624630793e714730eb62ca075d5b56c4dffc15d5c90f7502cdaf3fa5bc4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12fd2431276d11d959658d7d7ccd41720c5046145eb3816a77e932664d885d87
[INFO] running `Command { std: "docker" "start" "-a" "12fd2431276d11d959658d7d7ccd41720c5046145eb3816a77e932664d885d87", kill_on_drop: false }`
[INFO] [stderr]    Compiling mango_compiler_optimizing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "12fd2431276d11d959658d7d7ccd41720c5046145eb3816a77e932664d885d87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12fd2431276d11d959658d7d7ccd41720c5046145eb3816a77e932664d885d87", kill_on_drop: false }`
[INFO] [stdout] 12fd2431276d11d959658d7d7ccd41720c5046145eb3816a77e932664d885d87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f871e7788b2747e2312cec04ed220d3dabe59609f48ae942cd771bfbf6705ff8
[INFO] running `Command { std: "docker" "start" "-a" "f871e7788b2747e2312cec04ed220d3dabe59609f48ae942cd771bfbf6705ff8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mango_compiler_optimizing-76c2e4f264ad289c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mango_compiler_optimizing
[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" "f871e7788b2747e2312cec04ed220d3dabe59609f48ae942cd771bfbf6705ff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f871e7788b2747e2312cec04ed220d3dabe59609f48ae942cd771bfbf6705ff8", kill_on_drop: false }`
[INFO] [stdout] f871e7788b2747e2312cec04ed220d3dabe59609f48ae942cd771bfbf6705ff8