[INFO] updating cached repository https://github.com/82ba10b5e8dc/learning-rust-book
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/82ba10b5e8dc/learning-rust-book
[INFO] [stderr]    39f73f4..26caf6d  03-common-concepts -> 03-common-concepts
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9c893835dda9f142bf80bde71c2d5c1befa638ca
[INFO] testing 82ba10b5e8dc/learning-rust-book against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F82ba10b5e8dc%2Flearning-rust-book" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/82ba10b5e8dc/learning-rust-book on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/82ba10b5e8dc/learning-rust-book
[INFO] finished tweaking git repo https://github.com/82ba10b5e8dc/learning-rust-book
[INFO] tweaked toml for git repo https://github.com/82ba10b5e8dc/learning-rust-book written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/82ba10b5e8dc/learning-rust-book already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e0ab4abbb58c037fee1771705a1cc67ab242c11270bc7da0c7c09105717d5b57
[INFO] running `"docker" "start" "-a" "e0ab4abbb58c037fee1771705a1cc67ab242c11270bc7da0c7c09105717d5b57"`
[INFO] [stderr]    Compiling learning-rust-book v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "e0ab4abbb58c037fee1771705a1cc67ab242c11270bc7da0c7c09105717d5b57"`
[INFO] running `"docker" "rm" "-f" "e0ab4abbb58c037fee1771705a1cc67ab242c11270bc7da0c7c09105717d5b57"`
[INFO] [stdout] e0ab4abbb58c037fee1771705a1cc67ab242c11270bc7da0c7c09105717d5b57
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] 6b4d28d585ddaf495660a462343ca4502aec9c6b7cf5b4ce9025f79a02cecba6
[INFO] running `"docker" "start" "-a" "6b4d28d585ddaf495660a462343ca4502aec9c6b7cf5b4ce9025f79a02cecba6"`
[INFO] [stderr]    Compiling learning-rust-book v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "6b4d28d585ddaf495660a462343ca4502aec9c6b7cf5b4ce9025f79a02cecba6"`
[INFO] running `"docker" "rm" "-f" "6b4d28d585ddaf495660a462343ca4502aec9c6b7cf5b4ce9025f79a02cecba6"`
[INFO] [stdout] 6b4d28d585ddaf495660a462343ca4502aec9c6b7cf5b4ce9025f79a02cecba6
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] f0f33704439f0f2a3138789f702435fd7d7a3fbf3cbaa6d21bbdd6cc60bfbde4
[INFO] running `"docker" "start" "-a" "f0f33704439f0f2a3138789f702435fd7d7a3fbf3cbaa6d21bbdd6cc60bfbde4"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/learning_rust_book-309ee565b658c200
[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" "f0f33704439f0f2a3138789f702435fd7d7a3fbf3cbaa6d21bbdd6cc60bfbde4"`
[INFO] running `"docker" "rm" "-f" "f0f33704439f0f2a3138789f702435fd7d7a3fbf3cbaa6d21bbdd6cc60bfbde4"`
[INFO] [stdout] f0f33704439f0f2a3138789f702435fd7d7a3fbf3cbaa6d21bbdd6cc60bfbde4