[INFO] cloning repository https://github.com/pantsbuild/scie-pants
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pantsbuild/scie-pants" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpantsbuild%2Fscie-pants", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpantsbuild%2Fscie-pants'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a51ecf4af908ec9c9388b1d009c15d39f6e41f94
[INFO] testing pantsbuild/scie-pants against master#595316b4006932405a63862d8fe65f71a6356293 for pr-128254
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpantsbuild%2Fscie-pants" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pantsbuild/scie-pants on toolchain 595316b4006932405a63862d8fe65f71a6356293
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/pantsbuild/scie-pants
[INFO] finished tweaking git repo https://github.com/pantsbuild/scie-pants
[INFO] tweaked toml for git repo https://github.com/pantsbuild/scie-pants written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/pantsbuild/scie-pants 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" "+595316b4006932405a63862d8fe65f71a6356293" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded logging_timer_proc_macros v1.1.1
[INFO] [stderr]   Downloaded logging_timer v1.1.1
[INFO] [stderr]   Downloaded winnow v0.6.0
[INFO] [stderr]   Downloaded shell-quote v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e5ef4f11c5e968364605566a36c41b72ab785dfa07f37d2937d2994ddf1d46b
[INFO] running `Command { std: "docker" "start" "-a" "3e5ef4f11c5e968364605566a36c41b72ab785dfa07f37d2937d2994ddf1d46b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e5ef4f11c5e968364605566a36c41b72ab785dfa07f37d2937d2994ddf1d46b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e5ef4f11c5e968364605566a36c41b72ab785dfa07f37d2937d2994ddf1d46b", kill_on_drop: false }`
[INFO] [stdout] 3e5ef4f11c5e968364605566a36c41b72ab785dfa07f37d2937d2994ddf1d46b
[ERROR] this task or one of its parent failed!
[ERROR] command failed: exit status: 1
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.