[INFO] cloning repository https://github.com/learnwithjason/what-is-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/learnwithjason/what-is-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearnwithjason%2Fwhat-is-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearnwithjason%2Fwhat-is-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1c889a6cf4501b5889f8daa894595834e02092e8
[INFO] testing learnwithjason/what-is-rust against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearnwithjason%2Fwhat-is-rust" "/workspace/builds/worker-73/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-73/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/learnwithjason/what-is-rust on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/learnwithjason/what-is-rust
[INFO] finished tweaking git repo https://github.com/learnwithjason/what-is-rust
[INFO] tweaked toml for git repo https://github.com/learnwithjason/what-is-rust written to /workspace/builds/worker-73/source/Cargo.toml
[INFO] crate git repo https://github.com/learnwithjason/what-is-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac09c7c6aacee5bc8312d483117296c680ff9cfcb0aba9560eac524c0c809f34
[INFO] running `Command { std: "docker" "start" "-a" "ac09c7c6aacee5bc8312d483117296c680ff9cfcb0aba9560eac524c0c809f34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac09c7c6aacee5bc8312d483117296c680ff9cfcb0aba9560eac524c0c809f34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac09c7c6aacee5bc8312d483117296c680ff9cfcb0aba9560eac524c0c809f34", kill_on_drop: false }`
[INFO] [stdout] ac09c7c6aacee5bc8312d483117296c680ff9cfcb0aba9560eac524c0c809f34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7311ae0eab088cca0e9f71f4755d352d1369a26d54d8d1241fae1e6e3ad847b
[INFO] running `Command { std: "docker" "start" "-a" "f7311ae0eab088cca0e9f71f4755d352d1369a26d54d8d1241fae1e6e3ad847b", kill_on_drop: false }`
[INFO] [stderr]    Compiling what-is-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `color`
[INFO] [stdout]  --> src/main.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 8 |   color: Color,
[INFO] [stdout]   |   ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "f7311ae0eab088cca0e9f71f4755d352d1369a26d54d8d1241fae1e6e3ad847b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7311ae0eab088cca0e9f71f4755d352d1369a26d54d8d1241fae1e6e3ad847b", kill_on_drop: false }`
[INFO] [stdout] f7311ae0eab088cca0e9f71f4755d352d1369a26d54d8d1241fae1e6e3ad847b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d5f336044df593b886cf8a2c21d6c235a8028036d09ef3a3040009ff325f0ee
[INFO] running `Command { std: "docker" "start" "-a" "3d5f336044df593b886cf8a2c21d6c235a8028036d09ef3a3040009ff325f0ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling what-is-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `color`
[INFO] [stdout]  --> src/main.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 8 |   color: Color,
[INFO] [stdout]   |   ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "3d5f336044df593b886cf8a2c21d6c235a8028036d09ef3a3040009ff325f0ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d5f336044df593b886cf8a2c21d6c235a8028036d09ef3a3040009ff325f0ee", kill_on_drop: false }`
[INFO] [stdout] 3d5f336044df593b886cf8a2c21d6c235a8028036d09ef3a3040009ff325f0ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 79b36ffb1cb7c6b702ec4e98c5a4f273ff618139e6cce985d8498242ecdf6397
[INFO] running `Command { std: "docker" "start" "-a" "79b36ffb1cb7c6b702ec4e98c5a4f273ff618139e6cce985d8498242ecdf6397", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `color`
[INFO] [stderr]  --> src/main.rs:8:3
[INFO] [stderr]   |
[INFO] [stderr] 8 |   color: Color,
[INFO] [stderr]   |   ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `what-is-rust` (bin "what-is-rust" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/what_is_rust-25a6b78706188f10)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "79b36ffb1cb7c6b702ec4e98c5a4f273ff618139e6cce985d8498242ecdf6397", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79b36ffb1cb7c6b702ec4e98c5a4f273ff618139e6cce985d8498242ecdf6397", kill_on_drop: false }`
[INFO] [stdout] 79b36ffb1cb7c6b702ec4e98c5a4f273ff618139e6cce985d8498242ecdf6397