[INFO] cloning repository https://github.com/intrepion/example-x-rust-x-rustbyexample-com-x-expression [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/intrepion/example-x-rust-x-rustbyexample-com-x-expression" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fintrepion%2Fexample-x-rust-x-rustbyexample-com-x-expression", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fintrepion%2Fexample-x-rust-x-rustbyexample-com-x-expression'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d04b55311c050674f9363d474d20b32982e9e45f [INFO] testing intrepion/example-x-rust-x-rustbyexample-com-x-expression against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fintrepion%2Fexample-x-rust-x-rustbyexample-com-x-expression" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/intrepion/example-x-rust-x-rustbyexample-com-x-expression on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/intrepion/example-x-rust-x-rustbyexample-com-x-expression [INFO] finished tweaking git repo https://github.com/intrepion/example-x-rust-x-rustbyexample-com-x-expression [INFO] tweaked toml for git repo https://github.com/intrepion/example-x-rust-x-rustbyexample-com-x-expression written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/intrepion/example-x-rust-x-rustbyexample-com-x-expression already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a278584712aa0c59e5c4440dde313188e649de835588c52873bdb17a2120a519 [INFO] running `Command { std: "docker" "start" "-a" "a278584712aa0c59e5c4440dde313188e649de835588c52873bdb17a2120a519", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a278584712aa0c59e5c4440dde313188e649de835588c52873bdb17a2120a519", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a278584712aa0c59e5c4440dde313188e649de835588c52873bdb17a2120a519", kill_on_drop: false }` [INFO] [stdout] a278584712aa0c59e5c4440dde313188e649de835588c52873bdb17a2120a519 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0d426f32e62beb69e6927b565301cea19ac4ba5e3c0fd6b726cbb31ab2118588 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "0d426f32e62beb69e6927b565301cea19ac4ba5e3c0fd6b726cbb31ab2118588", kill_on_drop: false }` [INFO] [stderr] Compiling example-x-rust-x-rustbyexample-com-x-expression v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused arithmetic operation that must be used [INFO] [stdout] --> src/main.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | 2 * x; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.29s [INFO] running `Command { std: "docker" "inspect" "0d426f32e62beb69e6927b565301cea19ac4ba5e3c0fd6b726cbb31ab2118588", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d426f32e62beb69e6927b565301cea19ac4ba5e3c0fd6b726cbb31ab2118588", kill_on_drop: false }` [INFO] [stdout] 0d426f32e62beb69e6927b565301cea19ac4ba5e3c0fd6b726cbb31ab2118588 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 215b5d9a5c193a2af3b328debbd2bc9852c3bf494fe464d641c512453d7def3f [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "215b5d9a5c193a2af3b328debbd2bc9852c3bf494fe464d641c512453d7def3f", kill_on_drop: false }` [INFO] [stderr] Compiling example-x-rust-x-rustbyexample-com-x-expression v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused arithmetic operation that must be used [INFO] [stdout] --> src/main.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | 2 * x; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.32s [INFO] running `Command { std: "docker" "inspect" "215b5d9a5c193a2af3b328debbd2bc9852c3bf494fe464d641c512453d7def3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "215b5d9a5c193a2af3b328debbd2bc9852c3bf494fe464d641c512453d7def3f", kill_on_drop: false }` [INFO] [stdout] 215b5d9a5c193a2af3b328debbd2bc9852c3bf494fe464d641c512453d7def3f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4badc615f0d74866fe97892b28a671d9bb12702bcc7e95ecb235f44ebfadbbbd [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "4badc615f0d74866fe97892b28a671d9bb12702bcc7e95ecb235f44ebfadbbbd", kill_on_drop: false }` [INFO] [stderr] warning: unused arithmetic operation that must be used [INFO] [stderr] --> src/main.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | 2 * x; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.00s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/example_x_rust_x_rustbyexample_com_x_expression-74a41172c60b23d0 [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 [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "4badc615f0d74866fe97892b28a671d9bb12702bcc7e95ecb235f44ebfadbbbd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4badc615f0d74866fe97892b28a671d9bb12702bcc7e95ecb235f44ebfadbbbd", kill_on_drop: false }` [INFO] [stdout] 4badc615f0d74866fe97892b28a671d9bb12702bcc7e95ecb235f44ebfadbbbd