[INFO] fetching crate artbull 0.1.1...
[INFO] testing artbull-0.1.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate artbull 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate artbull 0.1.1
[INFO] finished tweaking crates.io crate artbull 0.1.1
[INFO] tweaked toml for crates.io crate artbull 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate artbull 0.1.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate artbull 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00f8af72fdb5d3dceea2b91c451ef01aebaab2aa31f837510e77fa7045f60770
[INFO] running `Command { std: "docker" "start" "-a" "00f8af72fdb5d3dceea2b91c451ef01aebaab2aa31f837510e77fa7045f60770", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00f8af72fdb5d3dceea2b91c451ef01aebaab2aa31f837510e77fa7045f60770", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00f8af72fdb5d3dceea2b91c451ef01aebaab2aa31f837510e77fa7045f60770", kill_on_drop: false }`
[INFO] [stdout] 00f8af72fdb5d3dceea2b91c451ef01aebaab2aa31f837510e77fa7045f60770
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f47dd0c080f9567cc0b58c2df1d40a7acb23d608c944b71370f3f237e0a96a2d
[INFO] running `Command { std: "docker" "start" "-a" "f47dd0c080f9567cc0b58c2df1d40a7acb23d608c944b71370f3f237e0a96a2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling artbull v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `mixed`
[INFO] [stdout]  --> src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mixed = mix(red, blue);
[INFO] [stdout]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_mixed`
[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 0.20s
[INFO] running `Command { std: "docker" "inspect" "f47dd0c080f9567cc0b58c2df1d40a7acb23d608c944b71370f3f237e0a96a2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f47dd0c080f9567cc0b58c2df1d40a7acb23d608c944b71370f3f237e0a96a2d", kill_on_drop: false }`
[INFO] [stdout] f47dd0c080f9567cc0b58c2df1d40a7acb23d608c944b71370f3f237e0a96a2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f54bab140e1d953569b6996361cde146bc627dd3dbcfd7ae9d3b46da8a66a3e4
[INFO] running `Command { std: "docker" "start" "-a" "f54bab140e1d953569b6996361cde146bc627dd3dbcfd7ae9d3b46da8a66a3e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling artbull v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `mixed`
[INFO] [stdout]  --> src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mixed = mix(red, blue);
[INFO] [stdout]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_mixed`
[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 0.86s
[INFO] running `Command { std: "docker" "inspect" "f54bab140e1d953569b6996361cde146bc627dd3dbcfd7ae9d3b46da8a66a3e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f54bab140e1d953569b6996361cde146bc627dd3dbcfd7ae9d3b46da8a66a3e4", kill_on_drop: false }`
[INFO] [stdout] f54bab140e1d953569b6996361cde146bc627dd3dbcfd7ae9d3b46da8a66a3e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5d7b9bf111aa200a3e4ea374fd19933105426cae5f1bc8eb70d3b2ac1257c4f8
[INFO] running `Command { std: "docker" "start" "-a" "5d7b9bf111aa200a3e4ea374fd19933105426cae5f1bc8eb70d3b2ac1257c4f8", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `mixed`
[INFO] [stderr]  --> src/main.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let mixed = mix(red, blue);
[INFO] [stderr]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_mixed`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `artbull` (bin "artbull" test) generated 1 warning (run `cargo fix --bin "artbull" -p artbull --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/artbull-f27a1387782d4376)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/artbull-8ade7029ae7f77ea)
[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 artbull
[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] [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" "5d7b9bf111aa200a3e4ea374fd19933105426cae5f1bc8eb70d3b2ac1257c4f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d7b9bf111aa200a3e4ea374fd19933105426cae5f1bc8eb70d3b2ac1257c4f8", kill_on_drop: false }`
[INFO] [stdout] 5d7b9bf111aa200a3e4ea374fd19933105426cae5f1bc8eb70d3b2ac1257c4f8