[INFO] cloning repository https://github.com/Jiraffe7/maelstrom-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jiraffe7/maelstrom-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJiraffe7%2Fmaelstrom-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJiraffe7%2Fmaelstrom-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 82ae8b755b0a385aa2001d7671788b4af4c48cbd
[INFO] documenting Jiraffe7/maelstrom-rs against try#a394c9cd9ec93787f09a7ac445b14cc674a94549 for pr-151918
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJiraffe7%2Fmaelstrom-rs" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Jiraffe7/maelstrom-rs
[INFO] finished tweaking git repo https://github.com/Jiraffe7/maelstrom-rs
[INFO] tweaked toml for git repo https://github.com/Jiraffe7/maelstrom-rs written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Jiraffe7/maelstrom-rs on toolchain a394c9cd9ec93787f09a7ac445b14cc674a94549
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Jiraffe7/maelstrom-rs 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" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-ident v1.0.9
[INFO] [stderr]   Downloaded quote v1.0.28
[INFO] [stderr]   Downloaded ulid v1.0.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.60
[INFO] [stderr]   Downloaded anyhow v1.0.71
[INFO] [stderr]   Downloaded syn v2.0.18
[INFO] [stderr]   Downloaded libc v0.2.146
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f32861bb24f03964836aef20b64b00b2d4322f8c22b78e0b2024aa424c1f1454
[INFO] running `Command { std: "docker" "start" "-a" "f32861bb24f03964836aef20b64b00b2d4322f8c22b78e0b2024aa424c1f1454", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f32861bb24f03964836aef20b64b00b2d4322f8c22b78e0b2024aa424c1f1454", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f32861bb24f03964836aef20b64b00b2d4322f8c22b78e0b2024aa424c1f1454", kill_on_drop: false }`
[INFO] [stdout] f32861bb24f03964836aef20b64b00b2d4322f8c22b78e0b2024aa424c1f1454
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc0aeaee6455d8da804922b9af28a5d1f672298f032dadb3de6f3c3385b83760
[INFO] running `Command { std: "docker" "start" "-a" "bc0aeaee6455d8da804922b9af28a5d1f672298f032dadb3de6f3c3385b83760", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.60
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking ulid v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.164
[INFO] [stderr]  Documenting maelstrom-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking maelstrom-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.01s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/maelstrom_rs/index.html and 3 other files
[INFO] running `Command { std: "docker" "inspect" "bc0aeaee6455d8da804922b9af28a5d1f672298f032dadb3de6f3c3385b83760", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc0aeaee6455d8da804922b9af28a5d1f672298f032dadb3de6f3c3385b83760", kill_on_drop: false }`
[INFO] [stdout] bc0aeaee6455d8da804922b9af28a5d1f672298f032dadb3de6f3c3385b83760
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04b610f709f2df2d0b82efda2a82dbfa9018eec7da3bb362982299045d3e8d3a
[INFO] running `Command { std: "docker" "start" "-a" "04b610f709f2df2d0b82efda2a82dbfa9018eec7da3bb362982299045d3e8d3a", kill_on_drop: false }`
[INFO] [stderr]  Documenting maelstrom-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/maelstrom_rs/index.html
[INFO] running `Command { std: "docker" "inspect" "04b610f709f2df2d0b82efda2a82dbfa9018eec7da3bb362982299045d3e8d3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04b610f709f2df2d0b82efda2a82dbfa9018eec7da3bb362982299045d3e8d3a", kill_on_drop: false }`
[INFO] [stdout] 04b610f709f2df2d0b82efda2a82dbfa9018eec7da3bb362982299045d3e8d3a