[INFO] fetching crate study_cargo_profile_and_publish_crates_io 0.1.0...
[INFO] checking study_cargo_profile_and_publish_crates_io-0.1.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate study_cargo_profile_and_publish_crates_io 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate study_cargo_profile_and_publish_crates_io 0.1.0
[INFO] finished tweaking crates.io crate study_cargo_profile_and_publish_crates_io 0.1.0
[INFO] tweaked toml for crates.io crate study_cargo_profile_and_publish_crates_io 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate study_cargo_profile_and_publish_crates_io 0.1.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate study_cargo_profile_and_publish_crates_io 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10f0af7d92567fa6faa78da5001210ba1beb9cf278dc9b8e26acfc19af960dee
[INFO] running `Command { std: "docker" "start" "-a" "10f0af7d92567fa6faa78da5001210ba1beb9cf278dc9b8e26acfc19af960dee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10f0af7d92567fa6faa78da5001210ba1beb9cf278dc9b8e26acfc19af960dee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10f0af7d92567fa6faa78da5001210ba1beb9cf278dc9b8e26acfc19af960dee", kill_on_drop: false }`
[INFO] [stdout] 10f0af7d92567fa6faa78da5001210ba1beb9cf278dc9b8e26acfc19af960dee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3fd8da12d384c86b4516c3b60967501a6c1cf92bbe65778795dd57b751955b1
[INFO] running `Command { std: "docker" "start" "-a" "b3fd8da12d384c86b4516c3b60967501a6c1cf92bbe65778795dd57b751955b1", kill_on_drop: false }`
[INFO] [stderr]     Checking study_cargo_profile_and_publish_crates_io v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]   --> src/lib.rs:46:16
[INFO] [stdout]    |
[INFO] [stdout] 46 |     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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]   --> src/lib.rs:46:34
[INFO] [stdout]    |
[INFO] [stdout] 46 |     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] [stdout] warning: function `private_fn` is never used
[INFO] [stdout]  --> src/art/_art.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn private_fn() {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mod_private_fn` is never used
[INFO] [stdout]   --> src/art/_art.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn mod_private_fn() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]   --> src/lib.rs:46:16
[INFO] [stdout]    |
[INFO] [stdout] 46 |     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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]   --> src/lib.rs:46:34
[INFO] [stdout]    |
[INFO] [stdout] 46 |     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] [stdout] warning: function `private_fn` is never used
[INFO] [stdout]  --> src/art/_art.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn private_fn() {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mod_private_fn` is never used
[INFO] [stdout]   --> src/art/_art.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn mod_private_fn() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "b3fd8da12d384c86b4516c3b60967501a6c1cf92bbe65778795dd57b751955b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3fd8da12d384c86b4516c3b60967501a6c1cf92bbe65778795dd57b751955b1", kill_on_drop: false }`
[INFO] [stdout] b3fd8da12d384c86b4516c3b60967501a6c1cf92bbe65778795dd57b751955b1