[INFO] fetching crate fake-art 0.1.1...
[INFO] testing fake-art-0.1.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate fake-art 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate fake-art 0.1.1
[INFO] finished tweaking crates.io crate fake-art 0.1.1
[INFO] tweaked toml for crates.io crate fake-art 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fake-art 0.1.1 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fake-art 0.1.1 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b0864ec0902a3db3437c0533c6aeff2c06ae5308fe15ace9a0bd4e7ea8fe8a1
[INFO] running `Command { std: "docker" "start" "-a" "5b0864ec0902a3db3437c0533c6aeff2c06ae5308fe15ace9a0bd4e7ea8fe8a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b0864ec0902a3db3437c0533c6aeff2c06ae5308fe15ace9a0bd4e7ea8fe8a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b0864ec0902a3db3437c0533c6aeff2c06ae5308fe15ace9a0bd4e7ea8fe8a1", kill_on_drop: false }`
[INFO] [stdout] 5b0864ec0902a3db3437c0533c6aeff2c06ae5308fe15ace9a0bd4e7ea8fe8a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c194b93c65af71a28035ddf065b7a9ee20c3d6d340bb01d7209177e0d120f65f
[INFO] running `Command { std: "docker" "start" "-a" "c194b93c65af71a28035ddf065b7a9ee20c3d6d340bb01d7209177e0d120f65f", kill_on_drop: false }`
[INFO] [stderr]    Compiling fake-art v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `primary_color`
[INFO] [stdout]   --> src/lib.rs:27:16
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn mix(primary_color: PrimaryColor, secondary_color: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_primary_color`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `secondary_color`
[INFO] [stdout]   --> src/lib.rs:27:45
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn mix(primary_color: PrimaryColor, secondary_color: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_secondary_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mix_yellow`
[INFO] [stdout]  --> src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mix_yellow = mix(red, yellow);
[INFO] [stdout]   |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mix_yellow`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "c194b93c65af71a28035ddf065b7a9ee20c3d6d340bb01d7209177e0d120f65f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c194b93c65af71a28035ddf065b7a9ee20c3d6d340bb01d7209177e0d120f65f", kill_on_drop: false }`
[INFO] [stdout] c194b93c65af71a28035ddf065b7a9ee20c3d6d340bb01d7209177e0d120f65f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab999f281f359e3520777eecb0b62108a7609deb40705c36a3c42323aade9540
[INFO] running `Command { std: "docker" "start" "-a" "ab999f281f359e3520777eecb0b62108a7609deb40705c36a3c42323aade9540", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `primary_color`
[INFO] [stdout]   --> src/lib.rs:27:16
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn mix(primary_color: PrimaryColor, secondary_color: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_primary_color`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `secondary_color`
[INFO] [stdout]   --> src/lib.rs:27:45
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn mix(primary_color: PrimaryColor, secondary_color: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_secondary_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling fake-art v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `primary_color`
[INFO] [stdout]   --> src/lib.rs:27:16
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn mix(primary_color: PrimaryColor, secondary_color: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_primary_color`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `secondary_color`
[INFO] [stdout]   --> src/lib.rs:27:45
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn mix(primary_color: PrimaryColor, secondary_color: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_secondary_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mix_yellow`
[INFO] [stdout]  --> src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mix_yellow = mix(red, yellow);
[INFO] [stdout]   |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mix_yellow`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "ab999f281f359e3520777eecb0b62108a7609deb40705c36a3c42323aade9540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab999f281f359e3520777eecb0b62108a7609deb40705c36a3c42323aade9540", kill_on_drop: false }`
[INFO] [stdout] ab999f281f359e3520777eecb0b62108a7609deb40705c36a3c42323aade9540
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1914bf31afa31534aaa641c14416300611ec62599d0d43875a4fb1d8014655c5
[INFO] running `Command { std: "docker" "start" "-a" "1914bf31afa31534aaa641c14416300611ec62599d0d43875a4fb1d8014655c5", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `primary_color`
[INFO] [stderr]   --> src/lib.rs:27:16
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn mix(primary_color: PrimaryColor, secondary_color: PrimaryColor) -> SecondaryColor {
[INFO] [stderr]    |                ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_primary_color`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `secondary_color`
[INFO] [stderr]   --> src/lib.rs:27:45
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn mix(primary_color: PrimaryColor, secondary_color: PrimaryColor) -> SecondaryColor {
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_secondary_color`
[INFO] [stderr] 
[INFO] [stderr] warning: `fake-art` (lib) generated 2 warnings
[INFO] [stderr] warning: unused variable: `mix_yellow`
[INFO] [stderr]  --> src/main.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let mix_yellow = mix(red, yellow);
[INFO] [stderr]   |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mix_yellow`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `fake-art` (bin "fake-art" test) generated 1 warning
[INFO] [stderr] warning: `fake-art` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fake_art-6e3187baf13ec601)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/fake_art-38faec6894a82f1b)
[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] [stderr]    Doc-tests fake_art
[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" "1914bf31afa31534aaa641c14416300611ec62599d0d43875a4fb1d8014655c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1914bf31afa31534aaa641c14416300611ec62599d0d43875a4fb1d8014655c5", kill_on_drop: false }`
[INFO] [stdout] 1914bf31afa31534aaa641c14416300611ec62599d0d43875a4fb1d8014655c5