[INFO] cloning repository https://github.com/dev-omega-lambda/hello-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dev-omega-lambda/hello-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdev-omega-lambda%2Fhello-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdev-omega-lambda%2Fhello-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7da005b2ce2ceb3d227a03524c876c8407611cda
[INFO] checking dev-omega-lambda/hello-rust against master#2e6fc425411280c658d852813de01c5157255088 for pr-128013
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdev-omega-lambda%2Fhello-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/dev-omega-lambda/hello-rust on toolchain 2e6fc425411280c658d852813de01c5157255088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dev-omega-lambda/hello-rust
[INFO] finished tweaking git repo https://github.com/dev-omega-lambda/hello-rust
[INFO] tweaked toml for git repo https://github.com/dev-omega-lambda/hello-rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dev-omega-lambda/hello-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" "+2e6fc425411280c658d852813de01c5157255088" "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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb7ddb1425fd7b5a62ee5cf7e93334ee087d117d37ea2a76bee3e948d9dfe587
[INFO] running `Command { std: "docker" "start" "-a" "eb7ddb1425fd7b5a62ee5cf7e93334ee087d117d37ea2a76bee3e948d9dfe587", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb7ddb1425fd7b5a62ee5cf7e93334ee087d117d37ea2a76bee3e948d9dfe587", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb7ddb1425fd7b5a62ee5cf7e93334ee087d117d37ea2a76bee3e948d9dfe587", kill_on_drop: false }`
[INFO] [stdout] eb7ddb1425fd7b5a62ee5cf7e93334ee087d117d37ea2a76bee3e948d9dfe587
[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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3658f6a85740c4d44276f1cde4293ce880f7a5cc8ab0619ceeabb89666b51d90
[INFO] running `Command { std: "docker" "start" "-a" "3658f6a85740c4d44276f1cde4293ce880f7a5cc8ab0619ceeabb89666b51d90", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `Millet`, `Rice`, `Rye`, `Spelt`, and `Whealt` are never constructed
[INFO] [stdout]  --> src/box/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Cereal {
[INFO] [stdout]   |      ------ variants in this enum
[INFO] [stdout] 3 |     Barley,
[INFO] [stdout] 4 |     Millet,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 5 |     Rice,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 6 |     Rye,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 7 |     Spelt,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 8 |     Whealt,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Cereal` has a derived impl for the trait `Debug`, 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: variants `Millet`, `Rice`, `Rye`, `Spelt`, and `Whealt` are never constructed
[INFO] [stdout]  --> src/box/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Cereal {
[INFO] [stdout]   |      ------ variants in this enum
[INFO] [stdout] 3 |     Barley,
[INFO] [stdout] 4 |     Millet,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 5 |     Rice,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 6 |     Rye,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 7 |     Spelt,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 8 |     Whealt,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Cereal` has a derived impl for the trait `Debug`, 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.40s
[INFO] running `Command { std: "docker" "inspect" "3658f6a85740c4d44276f1cde4293ce880f7a5cc8ab0619ceeabb89666b51d90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3658f6a85740c4d44276f1cde4293ce880f7a5cc8ab0619ceeabb89666b51d90", kill_on_drop: false }`
[INFO] [stdout] 3658f6a85740c4d44276f1cde4293ce880f7a5cc8ab0619ceeabb89666b51d90