[INFO] cloning repository https://github.com/vitalvirtue/intro_to_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vitalvirtue/intro_to_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvitalvirtue%2Fintro_to_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvitalvirtue%2Fintro_to_rust'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvitalvirtue%2Fintro_to_rust/objects/info: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/vitalvirtue/intro_to_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vitalvirtue/intro_to_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvitalvirtue%2Fintro_to_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvitalvirtue%2Fintro_to_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aa119a25fa97fac9af0bb0f00e8223c41bd3e333
[INFO] checking vitalvirtue/intro_to_rust against master#092a284ba0421695f2032c947765429fd7095796 for pr-139763
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvitalvirtue%2Fintro_to_rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vitalvirtue/intro_to_rust on toolchain 092a284ba0421695f2032c947765429fd7095796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+092a284ba0421695f2032c947765429fd7095796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vitalvirtue/intro_to_rust
[INFO] finished tweaking git repo https://github.com/vitalvirtue/intro_to_rust
[INFO] tweaked toml for git repo https://github.com/vitalvirtue/intro_to_rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/vitalvirtue/intro_to_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" "+092a284ba0421695f2032c947765429fd7095796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+092a284ba0421695f2032c947765429fd7095796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12cebe897d3974ac13720f5f80fb7e1fe2718001f4bd8ed3971e1bc6d08610b2
[INFO] running `Command { std: "docker" "start" "-a" "12cebe897d3974ac13720f5f80fb7e1fe2718001f4bd8ed3971e1bc6d08610b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12cebe897d3974ac13720f5f80fb7e1fe2718001f4bd8ed3971e1bc6d08610b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12cebe897d3974ac13720f5f80fb7e1fe2718001f4bd8ed3971e1bc6d08610b2", kill_on_drop: false }`
[INFO] [stdout] 12cebe897d3974ac13720f5f80fb7e1fe2718001f4bd8ed3971e1bc6d08610b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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_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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+092a284ba0421695f2032c947765429fd7095796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d8cd05fdddcbfa4901476fafaed6174f825bdf3cc3aba9cb8df336d40b455b8
[INFO] running `Command { std: "docker" "start" "-a" "1d8cd05fdddcbfa4901476fafaed6174f825bdf3cc3aba9cb8df336d40b455b8", kill_on_drop: false }`
[INFO] [stderr]     Checking first_rust_project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "1d8cd05fdddcbfa4901476fafaed6174f825bdf3cc3aba9cb8df336d40b455b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d8cd05fdddcbfa4901476fafaed6174f825bdf3cc3aba9cb8df336d40b455b8", kill_on_drop: false }`
[INFO] [stdout] 1d8cd05fdddcbfa4901476fafaed6174f825bdf3cc3aba9cb8df336d40b455b8