[INFO] cloning repository https://github.com/joeyolson18/euchre
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joeyolson18/euchre" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoeyolson18%2Feuchre", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoeyolson18%2Feuchre'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eaa6d997afc7d0c699af0e2db9e897678c1762e6
[INFO] checking joeyolson18/euchre against master#4847d6a9d07d4be9ba3196f6ad444af2d7bdde72 for pr-134272
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoeyolson18%2Feuchre" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joeyolson18/euchre on toolchain 4847d6a9d07d4be9ba3196f6ad444af2d7bdde72
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/joeyolson18/euchre
[INFO] finished tweaking git repo https://github.com/joeyolson18/euchre
[INFO] tweaked toml for git repo https://github.com/joeyolson18/euchre written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/joeyolson18/euchre 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" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a811e655ebde9b090832173b45611b2b83808a35a3c03ac5927a041b9a4d92c
[INFO] running `Command { std: "docker" "start" "-a" "9a811e655ebde9b090832173b45611b2b83808a35a3c03ac5927a041b9a4d92c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a811e655ebde9b090832173b45611b2b83808a35a3c03ac5927a041b9a4d92c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a811e655ebde9b090832173b45611b2b83808a35a3c03ac5927a041b9a4d92c", kill_on_drop: false }`
[INFO] [stdout] 9a811e655ebde9b090832173b45611b2b83808a35a3c03ac5927a041b9a4d92c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3e5394fdb72133d8a28bc2b11e48cc5a2e600b42a1a26c5790482a9d5e6eb10
[INFO] running `Command { std: "docker" "start" "-a" "f3e5394fdb72133d8a28bc2b11e48cc5a2e600b42a1a26c5790482a9d5e6eb10", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking getrandom v0.2.10
[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 euchre v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `NoCardsError` is never constructed
[INFO] [stdout]   --> src/main.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct NoCardsError;
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NoCardsError` is never constructed
[INFO] [stdout]   --> src/main.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct NoCardsError;
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.15s
[INFO] running `Command { std: "docker" "inspect" "f3e5394fdb72133d8a28bc2b11e48cc5a2e600b42a1a26c5790482a9d5e6eb10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3e5394fdb72133d8a28bc2b11e48cc5a2e600b42a1a26c5790482a9d5e6eb10", kill_on_drop: false }`
[INFO] [stdout] f3e5394fdb72133d8a28bc2b11e48cc5a2e600b42a1a26c5790482a9d5e6eb10