[INFO] cloning repository https://github.com/killercup/cargo-fix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/killercup/cargo-fix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkillercup%2Fcargo-fix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkillercup%2Fcargo-fix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5018666009a8a82746d87179995576e8daf6f021
[INFO] testing killercup/cargo-fix against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkillercup%2Fcargo-fix" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/killercup/cargo-fix on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/killercup/cargo-fix
[INFO] finished tweaking git repo https://github.com/killercup/cargo-fix
[INFO] tweaked toml for git repo https://github.com/killercup/cargo-fix written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/killercup/cargo-fix already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1f450c0e33fa2b2fc21c5dd02ce4e9253cf01cd59645a66b268bc86a798a91b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e1f450c0e33fa2b2fc21c5dd02ce4e9253cf01cd59645a66b268bc86a798a91b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1f450c0e33fa2b2fc21c5dd02ce4e9253cf01cd59645a66b268bc86a798a91b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1f450c0e33fa2b2fc21c5dd02ce4e9253cf01cd59645a66b268bc86a798a91b", kill_on_drop: false }`
[INFO] [stdout] e1f450c0e33fa2b2fc21c5dd02ce4e9253cf01cd59645a66b268bc86a798a91b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7db3ff2634084a4fcb073d63cff4f7d69176e4be5e2ea8cccf9f53ebe91b57a3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7db3ff2634084a4fcb073d63cff4f7d69176e4be5e2ea8cccf9f53ebe91b57a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-fix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `cargo-fix v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/cargo-fix-a0644b26702ad73b/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   I'm just a placeholder! `cargo install rustfix` instead!
[INFO] running `Command { std: "docker" "inspect" "7db3ff2634084a4fcb073d63cff4f7d69176e4be5e2ea8cccf9f53ebe91b57a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7db3ff2634084a4fcb073d63cff4f7d69176e4be5e2ea8cccf9f53ebe91b57a3", kill_on_drop: false }`
[INFO] [stdout] 7db3ff2634084a4fcb073d63cff4f7d69176e4be5e2ea8cccf9f53ebe91b57a3