[INFO] cloning repository https://github.com/anand-prem/twenty-one-days-of-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anand-prem/twenty-one-days-of-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanand-prem%2Ftwenty-one-days-of-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanand-prem%2Ftwenty-one-days-of-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3ad786cdac09e8851e2d7db341d8ae844977a2f9 [INFO] testing anand-prem/twenty-one-days-of-rust against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanand-prem%2Ftwenty-one-days-of-rust" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/anand-prem/twenty-one-days-of-rust on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/anand-prem/twenty-one-days-of-rust [INFO] finished tweaking git repo https://github.com/anand-prem/twenty-one-days-of-rust [INFO] tweaked toml for git repo https://github.com/anand-prem/twenty-one-days-of-rust written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/anand-prem/twenty-one-days-of-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 53ee25d4a9a11906d365b796a24bcaf5f07dafa13e8cebbfb3886343db579368 [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" "53ee25d4a9a11906d365b796a24bcaf5f07dafa13e8cebbfb3886343db579368", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "53ee25d4a9a11906d365b796a24bcaf5f07dafa13e8cebbfb3886343db579368", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "53ee25d4a9a11906d365b796a24bcaf5f07dafa13e8cebbfb3886343db579368", kill_on_drop: false }` [INFO] [stdout] 53ee25d4a9a11906d365b796a24bcaf5f07dafa13e8cebbfb3886343db579368 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a75db6142c3704a72c6de200bfcdf7b6e82a82e46e2c90c58502f306251d661a [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" "a75db6142c3704a72c6de200bfcdf7b6e82a82e46e2c90c58502f306251d661a", kill_on_drop: false }` [INFO] [stderr] Compiling twenty-one-days-of-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `print_number_match` [INFO] [stdout] --> src/half_hour.rs:21:4 [INFO] [stdout] | [INFO] [stdout] 21 | fn print_number_match(n: Number) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` 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 1.15s [INFO] running `Command { std: "docker" "inspect" "a75db6142c3704a72c6de200bfcdf7b6e82a82e46e2c90c58502f306251d661a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a75db6142c3704a72c6de200bfcdf7b6e82a82e46e2c90c58502f306251d661a", kill_on_drop: false }` [INFO] [stdout] a75db6142c3704a72c6de200bfcdf7b6e82a82e46e2c90c58502f306251d661a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", 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] 6b22040857ce167f362bee3e5ba0fb22f0c8b065d60d4974fe2751a86c920c17 [INFO] running `Command { std: "docker" "start" "-a" "6b22040857ce167f362bee3e5ba0fb22f0c8b065d60d4974fe2751a86c920c17", kill_on_drop: false }` [INFO] [stderr] Compiling twenty-one-days-of-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `print_number_match` [INFO] [stdout] --> src/half_hour.rs:21:4 [INFO] [stdout] | [INFO] [stdout] 21 | fn print_number_match(n: Number) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` 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 0.91s [INFO] running `Command { std: "docker" "inspect" "6b22040857ce167f362bee3e5ba0fb22f0c8b065d60d4974fe2751a86c920c17", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b22040857ce167f362bee3e5ba0fb22f0c8b065d60d4974fe2751a86c920c17", kill_on_drop: false }` [INFO] [stdout] 6b22040857ce167f362bee3e5ba0fb22f0c8b065d60d4974fe2751a86c920c17 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", 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] a630a4e4900ebc334806f0bd60b7519b165f8a1a02e73c746b5a79050307d0d8 [INFO] running `Command { std: "docker" "start" "-a" "a630a4e4900ebc334806f0bd60b7519b165f8a1a02e73c746b5a79050307d0d8", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: function is never used: `print_number_match` [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/half_hour.rs:21:4 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 21 | fn print_number_match(n: Number) { [INFO] [stdout] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/twenty_one_days_of_rust-fb4f8dc00093a2ec) [INFO] running `Command { std: "docker" "inspect" "a630a4e4900ebc334806f0bd60b7519b165f8a1a02e73c746b5a79050307d0d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a630a4e4900ebc334806f0bd60b7519b165f8a1a02e73c746b5a79050307d0d8", kill_on_drop: false }` [INFO] [stdout] a630a4e4900ebc334806f0bd60b7519b165f8a1a02e73c746b5a79050307d0d8