[INFO] fetching crate r28_release_profile 0.1.0...
[INFO] checking r28_release_profile-0.1.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate r28_release_profile 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate r28_release_profile 0.1.0
[INFO] finished tweaking crates.io crate r28_release_profile 0.1.0
[INFO] tweaked toml for crates.io crate r28_release_profile 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate r28_release_profile 0.1.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate r28_release_profile 0.1.0 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98dccbbcbe0bf5db46f5ced920f37f9683f99b16fa5659ea38d08bf17e95e97d
[INFO] running `Command { std: "docker" "start" "-a" "98dccbbcbe0bf5db46f5ced920f37f9683f99b16fa5659ea38d08bf17e95e97d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98dccbbcbe0bf5db46f5ced920f37f9683f99b16fa5659ea38d08bf17e95e97d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98dccbbcbe0bf5db46f5ced920f37f9683f99b16fa5659ea38d08bf17e95e97d", kill_on_drop: false }`
[INFO] [stdout] 98dccbbcbe0bf5db46f5ced920f37f9683f99b16fa5659ea38d08bf17e95e97d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a46d2eb306125e6b6f709a3f81f7c54ff42bca291959294a8855146eb985598
[INFO] running `Command { std: "docker" "start" "-a" "9a46d2eb306125e6b6f709a3f81f7c54ff42bca291959294a8855146eb985598", kill_on_drop: false }`
[INFO] [stderr]     Checking r28_release_profile v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `color1`
[INFO] [stdout]   --> src/lib.rs:39:16
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn mix(color1: PrimaryColor, color2: SecondaryColor) -> SecondaryColor {
[INFO] [stdout]    |                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_color1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color2`
[INFO] [stdout]   --> src/lib.rs:39:38
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn mix(color1: PrimaryColor, color2: SecondaryColor) -> SecondaryColor {
[INFO] [stdout]    |                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_color2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color1`
[INFO] [stdout]   --> src/lib.rs:39:16
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn mix(color1: PrimaryColor, color2: SecondaryColor) -> SecondaryColor {
[INFO] [stdout]    |                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_color1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color2`
[INFO] [stdout]   --> src/lib.rs:39:38
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn mix(color1: PrimaryColor, color2: SecondaryColor) -> SecondaryColor {
[INFO] [stdout]    |                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_color2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "9a46d2eb306125e6b6f709a3f81f7c54ff42bca291959294a8855146eb985598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a46d2eb306125e6b6f709a3f81f7c54ff42bca291959294a8855146eb985598", kill_on_drop: false }`
[INFO] [stdout] 9a46d2eb306125e6b6f709a3f81f7c54ff42bca291959294a8855146eb985598