[INFO] cloning repository https://github.com/luki/calc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luki/calc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluki%2Fcalc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluki%2Fcalc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e94a9c6cdbcbee76e3fa3ec0df01c6336628f919
[INFO] testing luki/calc against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluki%2Fcalc" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/luki/calc on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/luki/calc
[INFO] finished tweaking git repo https://github.com/luki/calc
[INFO] tweaked toml for git repo https://github.com/luki/calc written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/luki/calc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3cbbca4461dfa164fe9e4c8dca8242dfc7939af9d8ba754150dea80d2e197564
[INFO] running `Command { std: "docker" "start" "-a" "3cbbca4461dfa164fe9e4c8dca8242dfc7939af9d8ba754150dea80d2e197564", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cbbca4461dfa164fe9e4c8dca8242dfc7939af9d8ba754150dea80d2e197564", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cbbca4461dfa164fe9e4c8dca8242dfc7939af9d8ba754150dea80d2e197564", kill_on_drop: false }`
[INFO] [stdout] 3cbbca4461dfa164fe9e4c8dca8242dfc7939af9d8ba754150dea80d2e197564
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f3cc71ac8f6c96a8b6799b4eceb2fceeb0e65c0bd73525ba99a8e26be19de89
[INFO] running `Command { std: "docker" "start" "-a" "2f3cc71ac8f6c96a8b6799b4eceb2fceeb0e65c0bd73525ba99a8e26be19de89", kill_on_drop: false }`
[INFO] [stderr]    Compiling calc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `calc`
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let calc = Calc::new();
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_calc`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Add`
[INFO] [stdout]   --> src/operations.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Add,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Subtract`
[INFO] [stdout]   --> src/operations.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Subtract,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Multiply`
[INFO] [stdout]   --> src/operations.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Multiply,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Divide`
[INFO] [stdout]   --> src/operations.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     Divide
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "2f3cc71ac8f6c96a8b6799b4eceb2fceeb0e65c0bd73525ba99a8e26be19de89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f3cc71ac8f6c96a8b6799b4eceb2fceeb0e65c0bd73525ba99a8e26be19de89", kill_on_drop: false }`
[INFO] [stdout] 2f3cc71ac8f6c96a8b6799b4eceb2fceeb0e65c0bd73525ba99a8e26be19de89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eea3615617aa748e87e347b0d2d1daee9aea6f9cc57398cb467fa8b16d122816
[INFO] running `Command { std: "docker" "start" "-a" "eea3615617aa748e87e347b0d2d1daee9aea6f9cc57398cb467fa8b16d122816", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling calc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `calc`
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let calc = Calc::new();
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_calc`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Add`
[INFO] [stdout]   --> src/operations.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Add,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Subtract`
[INFO] [stdout]   --> src/operations.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Subtract,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Multiply`
[INFO] [stdout]   --> src/operations.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Multiply,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Divide`
[INFO] [stdout]   --> src/operations.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     Divide
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "eea3615617aa748e87e347b0d2d1daee9aea6f9cc57398cb467fa8b16d122816", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eea3615617aa748e87e347b0d2d1daee9aea6f9cc57398cb467fa8b16d122816", kill_on_drop: false }`
[INFO] [stdout] eea3615617aa748e87e347b0d2d1daee9aea6f9cc57398cb467fa8b16d122816
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f3eab972b67bf2d29eeed74b4391138ba7c5cd4be722f6a25748866655d4f4f3
[INFO] running `Command { std: "docker" "start" "-a" "f3eab972b67bf2d29eeed74b4391138ba7c5cd4be722f6a25748866655d4f4f3", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `calc`
[INFO] [stderr]  --> src/main.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let calc = Calc::new();
[INFO] [stderr]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_calc`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Add`
[INFO] [stderr]   --> src/operations.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     Add,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Subtract`
[INFO] [stderr]   --> src/operations.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     Subtract,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Multiply`
[INFO] [stderr]   --> src/operations.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     Multiply,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Divide`
[INFO] [stderr]   --> src/operations.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     Divide
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/calc-b28dbd91e0752be8)
[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" "f3eab972b67bf2d29eeed74b4391138ba7c5cd4be722f6a25748866655d4f4f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3eab972b67bf2d29eeed74b4391138ba7c5cd4be722f6a25748866655d4f4f3", kill_on_drop: false }`
[INFO] [stdout] f3eab972b67bf2d29eeed74b4391138ba7c5cd4be722f6a25748866655d4f4f3