[INFO] cloning repository https://github.com/naivoder/DeckOfCards
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/naivoder/DeckOfCards" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaivoder%2FDeckOfCards", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaivoder%2FDeckOfCards'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a3273fcd30dbd9ca3fa04ec4903cf736326c8889
[INFO] checking naivoder/DeckOfCards against master#9bfa31f632912180dc742809bcc51a97f2d7079d for pr-140151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaivoder%2FDeckOfCards" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/naivoder/DeckOfCards on toolchain 9bfa31f632912180dc742809bcc51a97f2d7079d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/naivoder/DeckOfCards
[INFO] finished tweaking git repo https://github.com/naivoder/DeckOfCards
[INFO] tweaked toml for git repo https://github.com/naivoder/DeckOfCards written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/naivoder/DeckOfCards 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" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 902cb501a85b614f77842cdb7b24eb9475078201797fc5540467be0b649cbb60
[INFO] running `Command { std: "docker" "start" "-a" "902cb501a85b614f77842cdb7b24eb9475078201797fc5540467be0b649cbb60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "902cb501a85b614f77842cdb7b24eb9475078201797fc5540467be0b649cbb60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "902cb501a85b614f77842cdb7b24eb9475078201797fc5540467be0b649cbb60", kill_on_drop: false }`
[INFO] [stdout] 902cb501a85b614f77842cdb7b24eb9475078201797fc5540467be0b649cbb60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe20c29f19c8761111a836a3361d057ade8e94accb5493a32ddcbfa3c4fe31cd
[INFO] running `Command { std: "docker" "start" "-a" "fe20c29f19c8761111a836a3361d057ade8e94accb5493a32ddcbfa3c4fe31cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking deck_of_cards v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `suit::Suit`
[INFO] [stdout]  --> src/card/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use suit::Suit;
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `value::Value`
[INFO] [stdout]  --> src/card/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use value::Value;
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `suit::Suit`
[INFO] [stdout]  --> src/card/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use suit::Suit;
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `value::Value`
[INFO] [stdout]  --> src/card/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use value::Value;
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.34s
[INFO] running `Command { std: "docker" "inspect" "fe20c29f19c8761111a836a3361d057ade8e94accb5493a32ddcbfa3c4fe31cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe20c29f19c8761111a836a3361d057ade8e94accb5493a32ddcbfa3c4fe31cd", kill_on_drop: false }`
[INFO] [stdout] fe20c29f19c8761111a836a3361d057ade8e94accb5493a32ddcbfa3c4fe31cd
