[INFO] cloning repository https://github.com/LearningOS/rust-rustlings-2023-autumn-ObsidianArch02
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LearningOS/rust-rustlings-2023-autumn-ObsidianArch02" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-2023-autumn-ObsidianArch02", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-2023-autumn-ObsidianArch02'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 06075f74c29b401b33eb7d26e0de5fe9bb243876
[INFO] checking LearningOS/rust-rustlings-2023-autumn-ObsidianArch02 against try#802c9b5f98c16ec9d24cdfd517f740f1f3df0e29 for pr-137728
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-2023-autumn-ObsidianArch02" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-ObsidianArch02 on toolchain 802c9b5f98c16ec9d24cdfd517f740f1f3df0e29
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-ObsidianArch02
[INFO] finished tweaking git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-ObsidianArch02
[INFO] tweaked toml for git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-ObsidianArch02 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-ObsidianArch02 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" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 756bbaf90b181bb71362a7fb9952fc1f145c8a25410534f677c8bc7d19eab6ab
[INFO] running `Command { std: "docker" "start" "-a" "756bbaf90b181bb71362a7fb9952fc1f145c8a25410534f677c8bc7d19eab6ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "756bbaf90b181bb71362a7fb9952fc1f145c8a25410534f677c8bc7d19eab6ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "756bbaf90b181bb71362a7fb9952fc1f145c8a25410534f677c8bc7d19eab6ab", kill_on_drop: false }`
[INFO] [stdout] 756bbaf90b181bb71362a7fb9952fc1f145c8a25410534f677c8bc7d19eab6ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f61817eda90c545d2084d4046565d7252e1570d0c3cf220151678998ad463ec2
[INFO] running `Command { std: "docker" "start" "-a" "f61817eda90c545d2084d4046565d7252e1570d0c3cf220151678998ad463ec2", kill_on_drop: false }`
[INFO] [stderr]     Checking rustlings v5.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "f61817eda90c545d2084d4046565d7252e1570d0c3cf220151678998ad463ec2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f61817eda90c545d2084d4046565d7252e1570d0c3cf220151678998ad463ec2", kill_on_drop: false }`
[INFO] [stdout] f61817eda90c545d2084d4046565d7252e1570d0c3cf220151678998ad463ec2