[INFO] cloning repository https://github.com/choffmann/concur-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/choffmann/concur-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchoffmann%2Fconcur-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchoffmann%2Fconcur-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed3dbee6c2416c263f5c1379fdc85b3551d429d9
[INFO] checking choffmann/concur-rs against master#3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0 for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchoffmann%2Fconcur-rs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/choffmann/concur-rs
[INFO] finished tweaking git repo https://github.com/choffmann/concur-rs
[INFO] tweaked toml for git repo https://github.com/choffmann/concur-rs written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/choffmann/concur-rs on toolchain 3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/choffmann/concur-rs 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" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb1a0de2f80bc11a1ae9329645ccd82d6f1baf464809f1d570bd1deb11349103
[INFO] running `Command { std: "docker" "start" "-a" "fb1a0de2f80bc11a1ae9329645ccd82d6f1baf464809f1d570bd1deb11349103", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb1a0de2f80bc11a1ae9329645ccd82d6f1baf464809f1d570bd1deb11349103", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb1a0de2f80bc11a1ae9329645ccd82d6f1baf464809f1d570bd1deb11349103", kill_on_drop: false }`
[INFO] [stdout] fb1a0de2f80bc11a1ae9329645ccd82d6f1baf464809f1d570bd1deb11349103
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93b9ea5d99ab8bd59ba0f15536c5ba60734dbc518aa7cb581bc2d67808527185
[INFO] running `Command { std: "docker" "start" "-a" "93b9ea5d99ab8bd59ba0f15536c5ba60734dbc518aa7cb581bc2d67808527185", kill_on_drop: false }`
[INFO] [stderr]     Checking concur-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/logger.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub enum LogColor {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] 5  |     Black,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 6  |     Red,
[INFO] [stdout] 7  |     Green,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     Cyan,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 12 |     White,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 13 |     HiBlack,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 14 |     HiRed,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 15 |     HiGreen,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 16 |     HiYellow,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 17 |     HiBlue,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 18 |     HiMagenta,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 19 |     HiCyan,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 20 |     HiWhite,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LogColor` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/logger.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub enum LogColor {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] 5  |     Black,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 6  |     Red,
[INFO] [stdout] 7  |     Green,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     Cyan,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 12 |     White,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 13 |     HiBlack,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 14 |     HiRed,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 15 |     HiGreen,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 16 |     HiYellow,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 17 |     HiBlue,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 18 |     HiMagenta,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 19 |     HiCyan,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 20 |     HiWhite,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LogColor` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "93b9ea5d99ab8bd59ba0f15536c5ba60734dbc518aa7cb581bc2d67808527185", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93b9ea5d99ab8bd59ba0f15536c5ba60734dbc518aa7cb581bc2d67808527185", kill_on_drop: false }`
[INFO] [stdout] 93b9ea5d99ab8bd59ba0f15536c5ba60734dbc518aa7cb581bc2d67808527185