[INFO] cloning repository https://github.com/erduotong/RustyCalc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/erduotong/RustyCalc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferduotong%2FRustyCalc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferduotong%2FRustyCalc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 99d5f9f8b0a5fb83280efda9184a275e5232e883
[INFO] testing erduotong/RustyCalc against master#552a959051cebf8f88a8f558399baf733bec9ce0 for pr-136932
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferduotong%2FRustyCalc" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/erduotong/RustyCalc on toolchain 552a959051cebf8f88a8f558399baf733bec9ce0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/erduotong/RustyCalc
[INFO] finished tweaking git repo https://github.com/erduotong/RustyCalc
[INFO] tweaked toml for git repo https://github.com/erduotong/RustyCalc written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/erduotong/RustyCalc 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" "+552a959051cebf8f88a8f558399baf733bec9ce0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c28748cc5d46eeb4d87b65a1095223c9effb49374cb40d27672e24ff091cc355
[INFO] running `Command { std: "docker" "start" "-a" "c28748cc5d46eeb4d87b65a1095223c9effb49374cb40d27672e24ff091cc355", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c28748cc5d46eeb4d87b65a1095223c9effb49374cb40d27672e24ff091cc355", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c28748cc5d46eeb4d87b65a1095223c9effb49374cb40d27672e24ff091cc355", kill_on_drop: false }`
[INFO] [stdout] c28748cc5d46eeb4d87b65a1095223c9effb49374cb40d27672e24ff091cc355
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87106282324d761e1ebd3b331ffba13b415de03792a39f8567c6382fdb498681
[INFO] running `Command { std: "docker" "start" "-a" "87106282324d761e1ebd3b331ffba13b415de03792a39f8567c6382fdb498681", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusty_calc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `u` is never used
[INFO] [stdout]  --> src/main.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn u() {}
[INFO] [stdout]   |    ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "87106282324d761e1ebd3b331ffba13b415de03792a39f8567c6382fdb498681", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87106282324d761e1ebd3b331ffba13b415de03792a39f8567c6382fdb498681", kill_on_drop: false }`
[INFO] [stdout] 87106282324d761e1ebd3b331ffba13b415de03792a39f8567c6382fdb498681
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ad2f7c532b83a2c5f21574706e344913ca83946512c3d895053a5ed688ff5af
[INFO] running `Command { std: "docker" "start" "-a" "4ad2f7c532b83a2c5f21574706e344913ca83946512c3d895053a5ed688ff5af", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusty_calc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `u` is never used
[INFO] [stdout]  --> src/main.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn u() {}
[INFO] [stdout]   |    ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "4ad2f7c532b83a2c5f21574706e344913ca83946512c3d895053a5ed688ff5af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ad2f7c532b83a2c5f21574706e344913ca83946512c3d895053a5ed688ff5af", kill_on_drop: false }`
[INFO] [stdout] 4ad2f7c532b83a2c5f21574706e344913ca83946512c3d895053a5ed688ff5af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d98fc4f6b23aa676f0629e2dc31e3df842ddfa3851f1f0eed630ea5a570f2e4d
[INFO] running `Command { std: "docker" "start" "-a" "d98fc4f6b23aa676f0629e2dc31e3df842ddfa3851f1f0eed630ea5a570f2e4d", kill_on_drop: false }`
[INFO] [stderr] warning: function `u` is never used
[INFO] [stderr]  --> src/main.rs:8:4
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn u() {}
[INFO] [stderr]   |    ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rusty_calc` (bin "rusty_calc" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rusty_calc-d920b2519032ebfc)
[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" "d98fc4f6b23aa676f0629e2dc31e3df842ddfa3851f1f0eed630ea5a570f2e4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d98fc4f6b23aa676f0629e2dc31e3df842ddfa3851f1f0eed630ea5a570f2e4d", kill_on_drop: false }`
[INFO] [stdout] d98fc4f6b23aa676f0629e2dc31e3df842ddfa3851f1f0eed630ea5a570f2e4d