[INFO] fetching crate publish_to_crateio_practice 0.1.0...
[INFO] checking publish_to_crateio_practice-0.1.0 against try#54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47 for pr-153041
[INFO] extracting crate publish_to_crateio_practice 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate publish_to_crateio_practice 0.1.0
[INFO] finished tweaking crates.io crate publish_to_crateio_practice 0.1.0
[INFO] tweaked toml for crates.io crate publish_to_crateio_practice 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate publish_to_crateio_practice 0.1.0 on toolchain 54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate publish_to_crateio_practice 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" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71f7fb6808e87ccc1d9ebb01505c6a866b69273d693303ab81df34eadb065427
[INFO] running `Command { std: "docker" "start" "-a" "71f7fb6808e87ccc1d9ebb01505c6a866b69273d693303ab81df34eadb065427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71f7fb6808e87ccc1d9ebb01505c6a866b69273d693303ab81df34eadb065427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71f7fb6808e87ccc1d9ebb01505c6a866b69273d693303ab81df34eadb065427", kill_on_drop: false }`
[INFO] [stdout] 71f7fb6808e87ccc1d9ebb01505c6a866b69273d693303ab81df34eadb065427
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce98fd7921df8d554c3712da0d8565d226de72a76b242fa8f4adeebd6fa78540
[INFO] running `Command { std: "docker" "start" "-a" "ce98fd7921df8d554c3712da0d8565d226de72a76b242fa8f4adeebd6fa78540", kill_on_drop: false }`
[INFO] [stderr]     Checking publish_to_crateio_practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]   --> src/lib.rs:45:16
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) {
[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/lib.rs:45:34
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) {
[INFO] [stdout]    |                                  ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]   --> src/lib.rs:45:16
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) {
[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/lib.rs:45:34
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) {
[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 0.25s
[INFO] running `Command { std: "docker" "inspect" "ce98fd7921df8d554c3712da0d8565d226de72a76b242fa8f4adeebd6fa78540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce98fd7921df8d554c3712da0d8565d226de72a76b242fa8f4adeebd6fa78540", kill_on_drop: false }`
[INFO] [stdout] ce98fd7921df8d554c3712da0d8565d226de72a76b242fa8f4adeebd6fa78540