[INFO] fetching crate my_crateyyyc 0.1.0...
[INFO] building my_crateyyyc-0.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate my_crateyyyc 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate my_crateyyyc 0.1.0
[INFO] finished tweaking crates.io crate my_crateyyyc 0.1.0
[INFO] tweaked toml for crates.io crate my_crateyyyc 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate my_crateyyyc 0.1.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48291c6a28cf3797c81257a4cd04ea005395460f0a0e66a1bcaca114e79396d7
[INFO] running `Command { std: "docker" "start" "-a" "48291c6a28cf3797c81257a4cd04ea005395460f0a0e66a1bcaca114e79396d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48291c6a28cf3797c81257a4cd04ea005395460f0a0e66a1bcaca114e79396d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48291c6a28cf3797c81257a4cd04ea005395460f0a0e66a1bcaca114e79396d7", kill_on_drop: false }`
[INFO] [stdout] 48291c6a28cf3797c81257a4cd04ea005395460f0a0e66a1bcaca114e79396d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc1d654d1fdd43fd7803c0eb8b400fa7fc1c52569bb62bd31ae6a35c228b84d3
[INFO] running `Command { std: "docker" "start" "-a" "fc1d654d1fdd43fd7803c0eb8b400fa7fc1c52569bb62bd31ae6a35c228b84d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling my_crateyyyc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]  --> src/utils.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]   |            ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]  --> src/utils.rs:4:30
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]   |                              ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "fc1d654d1fdd43fd7803c0eb8b400fa7fc1c52569bb62bd31ae6a35c228b84d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc1d654d1fdd43fd7803c0eb8b400fa7fc1c52569bb62bd31ae6a35c228b84d3", kill_on_drop: false }`
[INFO] [stdout] fc1d654d1fdd43fd7803c0eb8b400fa7fc1c52569bb62bd31ae6a35c228b84d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f881392ac693fcae58aa9f8d6c68800d0ae6f837ca79da4f289aaa9afca73d97
[INFO] running `Command { std: "docker" "start" "-a" "f881392ac693fcae58aa9f8d6c68800d0ae6f837ca79da4f289aaa9afca73d97", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]  --> src/utils.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]   |            ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]  --> src/utils.rs:4:30
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]   |                              ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling my_crateyyyc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]  --> src/utils.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]   |            ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]  --> src/utils.rs:4:30
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]   |                              ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "f881392ac693fcae58aa9f8d6c68800d0ae6f837ca79da4f289aaa9afca73d97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f881392ac693fcae58aa9f8d6c68800d0ae6f837ca79da4f289aaa9afca73d97", kill_on_drop: false }`
[INFO] [stdout] f881392ac693fcae58aa9f8d6c68800d0ae6f837ca79da4f289aaa9afca73d97