[INFO] fetching crate cook-with-rust 0.0.2...
[INFO] testing cook-with-rust-0.0.2 against 1.90.0 for beta-1.91-3
[INFO] extracting crate cook-with-rust 0.0.2 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate cook-with-rust 0.0.2
[INFO] finished tweaking crates.io crate cook-with-rust 0.0.2
[INFO] tweaked toml for crates.io crate cook-with-rust 0.0.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cook-with-rust 0.0.2 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 28 packages to latest compatible versions
[INFO] [stderr]       Adding uuid v0.8.2 (available: v1.18.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb9e3b83d0388cbcfd835f60c7e6746f7ebf4f94fff02fe1eb2b2b4ea392040c
[INFO] running `Command { std: "docker" "start" "-a" "fb9e3b83d0388cbcfd835f60c7e6746f7ebf4f94fff02fe1eb2b2b4ea392040c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb9e3b83d0388cbcfd835f60c7e6746f7ebf4f94fff02fe1eb2b2b4ea392040c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb9e3b83d0388cbcfd835f60c7e6746f7ebf4f94fff02fe1eb2b2b4ea392040c", kill_on_drop: false }`
[INFO] [stdout] fb9e3b83d0388cbcfd835f60c7e6746f7ebf4f94fff02fe1eb2b2b4ea392040c
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39be3ccddfd59308ffcb9061a006464888ef6efb8e3c92b099e9c1e9a4baafa5
[INFO] running `Command { std: "docker" "start" "-a" "39be3ccddfd59308ffcb9061a006464888ef6efb8e3c92b099e9c1e9a4baafa5", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling cook-with-rust v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:277:29
[INFO] [stdout]     |
[INFO] [stdout] 277 |                         let mut ingredient = metadata.ingredients.get_mut(&name).unwrap();
[INFO] [stdout]     |                             ----^^^^^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.61s
[INFO] running `Command { std: "docker" "inspect" "39be3ccddfd59308ffcb9061a006464888ef6efb8e3c92b099e9c1e9a4baafa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39be3ccddfd59308ffcb9061a006464888ef6efb8e3c92b099e9c1e9a4baafa5", kill_on_drop: false }`
[INFO] [stdout] 39be3ccddfd59308ffcb9061a006464888ef6efb8e3c92b099e9c1e9a4baafa5
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef4da54d8efa5b2af7e0a1fc03df01776b531a1cc329460c2e29afb2bc5ce0ba
[INFO] running `Command { std: "docker" "start" "-a" "ef4da54d8efa5b2af7e0a1fc03df01776b531a1cc329460c2e29afb2bc5ce0ba", kill_on_drop: false }`
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:277:29
[INFO] [stdout]     |
[INFO] [stdout] 277 |                         let mut ingredient = metadata.ingredients.get_mut(&name).unwrap();
[INFO] [stdout]     |                             ----^^^^^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cook-with-rust v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:277:29
[INFO] [stdout]     |
[INFO] [stdout] 277 |                         let mut ingredient = metadata.ingredients.get_mut(&name).unwrap();
[INFO] [stdout]     |                             ----^^^^^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "ef4da54d8efa5b2af7e0a1fc03df01776b531a1cc329460c2e29afb2bc5ce0ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef4da54d8efa5b2af7e0a1fc03df01776b531a1cc329460c2e29afb2bc5ce0ba", kill_on_drop: false }`
[INFO] [stdout] ef4da54d8efa5b2af7e0a1fc03df01776b531a1cc329460c2e29afb2bc5ce0ba
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3e79ccc49abe17e8ee5960001deb6242b5e368f7fd0ffe05c0dcb5c40d256a72
[INFO] running `Command { std: "docker" "start" "-a" "3e79ccc49abe17e8ee5960001deb6242b5e368f7fd0ffe05c0dcb5c40d256a72", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:277:29
[INFO] [stderr]     |
[INFO] [stderr] 277 |                         let mut ingredient = metadata.ingredients.get_mut(&name).unwrap();
[INFO] [stderr]     |                             ----^^^^^^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `cook-with-rust` (lib) generated 1 warning (run `cargo fix --lib -p cook-with-rust` to apply 1 suggestion)
[INFO] [stderr] warning: `cook-with-rust` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cook_with_rust-34a093446149cc19)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::coffee_souffle ... ok
[INFO] [stdout] test tests::easy_pancakes ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::fried_rice ... ok
[INFO] [stdout] test tests::olivier_salad ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cook_with_rust
[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" "3e79ccc49abe17e8ee5960001deb6242b5e368f7fd0ffe05c0dcb5c40d256a72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e79ccc49abe17e8ee5960001deb6242b5e368f7fd0ffe05c0dcb5c40d256a72", kill_on_drop: false }`
[INFO] [stdout] 3e79ccc49abe17e8ee5960001deb6242b5e368f7fd0ffe05c0dcb5c40d256a72