[INFO] fetching crate mutaig 0.4.2...
[INFO] building mutaig-0.4.2 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate mutaig 0.4.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate mutaig 0.4.2
[INFO] finished tweaking crates.io crate mutaig 0.4.2
[INFO] tweaked toml for crates.io crate mutaig 0.4.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mutaig 0.4.2 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mutaig 0.4.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2233724a84fcb66fda43e64b7a7159bee07acfaac7b345faec83ee0d93b38dc9
[INFO] running `Command { std: "docker" "start" "-a" "2233724a84fcb66fda43e64b7a7159bee07acfaac7b345faec83ee0d93b38dc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2233724a84fcb66fda43e64b7a7159bee07acfaac7b345faec83ee0d93b38dc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2233724a84fcb66fda43e64b7a7159bee07acfaac7b345faec83ee0d93b38dc9", kill_on_drop: false }`
[INFO] [stdout] 2233724a84fcb66fda43e64b7a7159bee07acfaac7b345faec83ee0d93b38dc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fee39f4ef082688ce9edb86ed84253d74f1ea2c9dce1216fb391a360aaa539d
[INFO] running `Command { std: "docker" "start" "-a" "8fee39f4ef082688ce9edb86ed84253d74f1ea2c9dce1216fb391a360aaa539d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling mutaig v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.06s
[INFO] running `Command { std: "docker" "inspect" "8fee39f4ef082688ce9edb86ed84253d74f1ea2c9dce1216fb391a360aaa539d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fee39f4ef082688ce9edb86ed84253d74f1ea2c9dce1216fb391a360aaa539d", kill_on_drop: false }`
[INFO] [stdout] 8fee39f4ef082688ce9edb86ed84253d74f1ea2c9dce1216fb391a360aaa539d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 580523c7caa2029e15b9df4f79ec77f0770a9d6c4ffdb9b320384e6b7198648d
[INFO] running `Command { std: "docker" "start" "-a" "580523c7caa2029e15b9df4f79ec77f0770a9d6c4ffdb9b320384e6b7198648d", kill_on_drop: false }`
[INFO] [stderr]    Compiling mutaig v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "580523c7caa2029e15b9df4f79ec77f0770a9d6c4ffdb9b320384e6b7198648d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "580523c7caa2029e15b9df4f79ec77f0770a9d6c4ffdb9b320384e6b7198648d", kill_on_drop: false }`
[INFO] [stdout] 580523c7caa2029e15b9df4f79ec77f0770a9d6c4ffdb9b320384e6b7198648d