[INFO] cloning repository https://github.com/dtherhtun/learn-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dtherhtun/learn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdtherhtun%2Flearn-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdtherhtun%2Flearn-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 71e20e6c3f80a55e2e9dac6a7d19bf59d469fcbc
[INFO] checking dtherhtun/learn-rust against try#943e2200e35c3825486c4671b6cab0107a07f8c1 for pr-148952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdtherhtun%2Flearn-rust" "/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/dtherhtun/learn-rust
[INFO] finished tweaking git repo https://github.com/dtherhtun/learn-rust
[INFO] tweaked toml for git repo https://github.com/dtherhtun/learn-rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dtherhtun/learn-rust on toolchain 943e2200e35c3825486c4671b6cab0107a07f8c1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dtherhtun/learn-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" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fcfd951721d20a6b1264632dc93de3c69c60b811091c4b2c9834f4f0b2ef4ed4
[INFO] running `Command { std: "docker" "start" "-a" "fcfd951721d20a6b1264632dc93de3c69c60b811091c4b2c9834f4f0b2ef4ed4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcfd951721d20a6b1264632dc93de3c69c60b811091c4b2c9834f4f0b2ef4ed4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcfd951721d20a6b1264632dc93de3c69c60b811091c4b2c9834f4f0b2ef4ed4", kill_on_drop: false }`
[INFO] [stdout] fcfd951721d20a6b1264632dc93de3c69c60b811091c4b2c9834f4f0b2ef4ed4
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b956bfe0f2bdbaf5b0d40f137cbb28c83b0b566e52e8890722475ae08c8b0a8e
[INFO] running `Command { std: "docker" "start" "-a" "b956bfe0f2bdbaf5b0d40f137cbb28c83b0b566e52e8890722475ae08c8b0a8e", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-book v0.1.0 (/opt/rustwide/workdir/rust-book)
[INFO] [stderr]     Checking rust-in-action v0.1.0 (/opt/rustwide/workdir/rust-in-action)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "b956bfe0f2bdbaf5b0d40f137cbb28c83b0b566e52e8890722475ae08c8b0a8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b956bfe0f2bdbaf5b0d40f137cbb28c83b0b566e52e8890722475ae08c8b0a8e", kill_on_drop: false }`
[INFO] [stdout] b956bfe0f2bdbaf5b0d40f137cbb28c83b0b566e52e8890722475ae08c8b0a8e