[INFO] fetching crate mango_compiler_reducing 0.1.0...
[INFO] checking mango_compiler_reducing-0.1.0 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate mango_compiler_reducing 0.1.0 into /workspace/builds/worker-37/source
[INFO] validating manifest of crates.io crate mango_compiler_reducing 0.1.0 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mango_compiler_reducing 0.1.0
[INFO] finished tweaking crates.io crate mango_compiler_reducing 0.1.0
[INFO] tweaked toml for crates.io crate mango_compiler_reducing 0.1.0 written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1fe7e4fc0850b86357b8e2a632ed2a136d9977203bc2a3092e388f61a535bc0
[INFO] running `Command { std: "docker" "start" "-a" "a1fe7e4fc0850b86357b8e2a632ed2a136d9977203bc2a3092e388f61a535bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1fe7e4fc0850b86357b8e2a632ed2a136d9977203bc2a3092e388f61a535bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1fe7e4fc0850b86357b8e2a632ed2a136d9977203bc2a3092e388f61a535bc0", kill_on_drop: false }`
[INFO] [stdout] a1fe7e4fc0850b86357b8e2a632ed2a136d9977203bc2a3092e388f61a535bc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29b0950c7edb418ae0922ac047d999dad384e39af441d85c80f79345ec0f6e4d
[INFO] running `Command { std: "docker" "start" "-a" "29b0950c7edb418ae0922ac047d999dad384e39af441d85c80f79345ec0f6e4d", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "29b0950c7edb418ae0922ac047d999dad384e39af441d85c80f79345ec0f6e4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29b0950c7edb418ae0922ac047d999dad384e39af441d85c80f79345ec0f6e4d", kill_on_drop: false }`
[INFO] [stdout] 29b0950c7edb418ae0922ac047d999dad384e39af441d85c80f79345ec0f6e4d