[INFO] cloning repository https://github.com/danrien/hackers-delight-exercises [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danrien/hackers-delight-exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanrien%2Fhackers-delight-exercises", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanrien%2Fhackers-delight-exercises'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] facddf1f0d237c4a1d83bb2515c3fde711b10200 [INFO] testing danrien/hackers-delight-exercises against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanrien%2Fhackers-delight-exercises" "/workspace/builds/worker-28/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/danrien/hackers-delight-exercises on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/danrien/hackers-delight-exercises [INFO] finished tweaking git repo https://github.com/danrien/hackers-delight-exercises [INFO] tweaked toml for git repo https://github.com/danrien/hackers-delight-exercises written to /workspace/builds/worker-28/source/Cargo.toml [INFO] crate git repo https://github.com/danrien/hackers-delight-exercises already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2b33a405719385b4fd8a2a4e5c9d33db574f8dfd86cfade47a3b419633f4fb03 [INFO] running `Command { std: "docker" "start" "-a" "2b33a405719385b4fd8a2a4e5c9d33db574f8dfd86cfade47a3b419633f4fb03", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2b33a405719385b4fd8a2a4e5c9d33db574f8dfd86cfade47a3b419633f4fb03", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b33a405719385b4fd8a2a4e5c9d33db574f8dfd86cfade47a3b419633f4fb03", kill_on_drop: false }` [INFO] [stdout] 2b33a405719385b4fd8a2a4e5c9d33db574f8dfd86cfade47a3b419633f4fb03 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 20570097f326ff0feb2805c7458edeb2b4f3e456b47bbedb4af9f277484d8a9b [INFO] running `Command { std: "docker" "start" "-a" "20570097f326ff0feb2805c7458edeb2b4f3e456b47bbedb4af9f277484d8a9b", kill_on_drop: false }` [INFO] [stderr] Compiling hackers-delight-exercises v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.73s [INFO] running `Command { std: "docker" "inspect" "20570097f326ff0feb2805c7458edeb2b4f3e456b47bbedb4af9f277484d8a9b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "20570097f326ff0feb2805c7458edeb2b4f3e456b47bbedb4af9f277484d8a9b", kill_on_drop: false }` [INFO] [stdout] 20570097f326ff0feb2805c7458edeb2b4f3e456b47bbedb4af9f277484d8a9b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1cbd7b4db9606027abd07e088cfd860bbc5aed33bb8c38c709b9537a6f08323b [INFO] running `Command { std: "docker" "start" "-a" "1cbd7b4db9606027abd07e088cfd860bbc5aed33bb8c38c709b9537a6f08323b", kill_on_drop: false }` [INFO] [stderr] Compiling hackers-delight-exercises v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.46s [INFO] running `Command { std: "docker" "inspect" "1cbd7b4db9606027abd07e088cfd860bbc5aed33bb8c38c709b9537a6f08323b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1cbd7b4db9606027abd07e088cfd860bbc5aed33bb8c38c709b9537a6f08323b", kill_on_drop: false }` [INFO] [stdout] 1cbd7b4db9606027abd07e088cfd860bbc5aed33bb8c38c709b9537a6f08323b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 3fc4e14388f71081f018d22c90b2e0ad35f766ab880b3c18f82c81fae2ad74ae [INFO] running `Command { std: "docker" "start" "-a" "3fc4e14388f71081f018d22c90b2e0ad35f766ab880b3c18f82c81fae2ad74ae", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.87s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/hackers_delight_exercises-0e3862e0bfe6e9fd) [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" "3fc4e14388f71081f018d22c90b2e0ad35f766ab880b3c18f82c81fae2ad74ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3fc4e14388f71081f018d22c90b2e0ad35f766ab880b3c18f82c81fae2ad74ae", kill_on_drop: false }` [INFO] [stdout] 3fc4e14388f71081f018d22c90b2e0ad35f766ab880b3c18f82c81fae2ad74ae