[INFO] cloning repository https://github.com/tnodino/atcoder_02_brown_Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tnodino/atcoder_02_brown_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftnodino%2Fatcoder_02_brown_Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftnodino%2Fatcoder_02_brown_Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 222ce1088cdf1e9b0b8044b2ec23f978694060e3
[INFO] testing tnodino/atcoder_02_brown_Rust against master#1ddedbaa5919b7b3e70d984660e21e844c615c97 for pr-128400
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftnodino%2Fatcoder_02_brown_Rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tnodino/atcoder_02_brown_Rust on toolchain 1ddedbaa5919b7b3e70d984660e21e844c615c97
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tnodino/atcoder_02_brown_Rust
[INFO] finished tweaking git repo https://github.com/tnodino/atcoder_02_brown_Rust
[INFO] tweaked toml for git repo https://github.com/tnodino/atcoder_02_brown_Rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tnodino/atcoder_02_brown_Rust 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" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded varisat v0.2.2
[INFO] [stderr]   Downloaded partial_ref v0.3.3
[INFO] [stderr]   Downloaded varisat-internal-macros v0.2.2
[INFO] [stderr]   Downloaded rand_hc v0.3.2
[INFO] [stderr]   Downloaded glidesort v0.1.2
[INFO] [stderr]   Downloaded amplify_num v0.4.1
[INFO] [stderr]   Downloaded amplify v3.14.2
[INFO] [stderr]   Downloaded amplify_syn v1.1.6
[INFO] [stderr]   Downloaded amplify_derive v2.11.3
[INFO] [stderr]   Downloaded btreemultimap v0.1.1
[INFO] [stderr]   Downloaded partial_ref_derive v0.3.3
[INFO] [stderr]   Downloaded easy-ext v1.0.1
[INFO] [stderr]   Downloaded varisat-checker v0.2.2
[INFO] [stderr]   Downloaded varisat-internal-proof v0.2.2
[INFO] [stderr]   Downloaded vec_mut_scan v0.3.0
[INFO] [stderr]   Downloaded varisat-dimacs v0.2.2
[INFO] [stderr]   Downloaded varisat-formula v0.2.2
[INFO] [stderr]   Downloaded argio-macro v0.2.0
[INFO] [stderr]   Downloaded multimap v0.9.0
[INFO] [stderr]   Downloaded omniswap v0.1.0
[INFO] [stderr]   Downloaded memoise v0.3.2
[INFO] [stderr]   Downloaded recur-fn v2.2.0
[INFO] [stderr]   Downloaded hashbag v0.1.11
[INFO] [stderr]   Downloaded argio v0.2.0
[INFO] [stderr]   Downloaded proconio-derive v0.2.1
[INFO] [stderr]   Downloaded indexing v0.4.1
[INFO] [stderr]   Downloaded pathfinding v4.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 489bf3c5204e2805a5f33ca2ef563e7f6d00755f5f1ee764ce3f396e2d660b47
[INFO] running `Command { std: "docker" "start" "-a" "489bf3c5204e2805a5f33ca2ef563e7f6d00755f5f1ee764ce3f396e2d660b47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "489bf3c5204e2805a5f33ca2ef563e7f6d00755f5f1ee764ce3f396e2d660b47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "489bf3c5204e2805a5f33ca2ef563e7f6d00755f5f1ee764ce3f396e2d660b47", kill_on_drop: false }`
[INFO] [stdout] 489bf3c5204e2805a5f33ca2ef563e7f6d00755f5f1ee764ce3f396e2d660b47
[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.