[INFO] cloning repository https://github.com/testinnplayin/rust-exercises [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/testinnplayin/rust-exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftestinnplayin%2Frust-exercises"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftestinnplayin%2Frust-exercises'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] a8720b3bc233f7ada3f429aeea9d68a21d803a6f [INFO] testing testinnplayin/rust-exercises against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftestinnplayin%2Frust-exercises" "/workspace/builds/worker-3/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/testinnplayin/rust-exercises on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/testinnplayin/rust-exercises [INFO] finished tweaking git repo https://github.com/testinnplayin/rust-exercises [INFO] tweaked toml for git repo https://github.com/testinnplayin/rust-exercises written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/testinnplayin/rust-exercises already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"` [INFO] [stdout] bd4f61b350843ea822c4975328ba33c5d5a0b572725a23d852f04d0646d69e6f [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "bd4f61b350843ea822c4975328ba33c5d5a0b572725a23d852f04d0646d69e6f"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling chapter-8-exercises v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.39s [INFO] running `"docker" "inspect" "bd4f61b350843ea822c4975328ba33c5d5a0b572725a23d852f04d0646d69e6f"` [INFO] running `"docker" "rm" "-f" "bd4f61b350843ea822c4975328ba33c5d5a0b572725a23d852f04d0646d69e6f"` [INFO] [stdout] bd4f61b350843ea822c4975328ba33c5d5a0b572725a23d852f04d0646d69e6f [INFO] running `"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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 194d669491813b0ab2d55b1164c5a928bdda1ed47cd81decf07eb8ed3a16618e [INFO] running `"docker" "start" "-a" "194d669491813b0ab2d55b1164c5a928bdda1ed47cd81decf07eb8ed3a16618e"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling chapter-8-exercises v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.54s [INFO] running `"docker" "inspect" "194d669491813b0ab2d55b1164c5a928bdda1ed47cd81decf07eb8ed3a16618e"` [INFO] running `"docker" "rm" "-f" "194d669491813b0ab2d55b1164c5a928bdda1ed47cd81decf07eb8ed3a16618e"` [INFO] [stdout] 194d669491813b0ab2d55b1164c5a928bdda1ed47cd81decf07eb8ed3a16618e [INFO] running `"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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 5387d376efbb26cbd21fd5ae281f6e92d93c756a3a22370992f749bf8f434a61 [INFO] running `"docker" "start" "-a" "5387d376efbb26cbd21fd5ae281f6e92d93c756a3a22370992f749bf8f434a61"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 17.66s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/chapter_8_exercises-f511386580e2243f [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 `"docker" "inspect" "5387d376efbb26cbd21fd5ae281f6e92d93c756a3a22370992f749bf8f434a61"` [INFO] running `"docker" "rm" "-f" "5387d376efbb26cbd21fd5ae281f6e92d93c756a3a22370992f749bf8f434a61"` [INFO] [stdout] 5387d376efbb26cbd21fd5ae281f6e92d93c756a3a22370992f749bf8f434a61