[INFO] updating cached repository https://github.com/smomni/rust_tutorial
[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] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 605d25890e7ace97d27c955f26b5607f3d49a3be
[INFO] testing smomni/rust_tutorial against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmomni%2Frust_tutorial" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/smomni/rust_tutorial 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/smomni/rust_tutorial
[INFO] finished tweaking git repo https://github.com/smomni/rust_tutorial
[INFO] tweaked toml for git repo https://github.com/smomni/rust_tutorial written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/smomni/rust_tutorial 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d2d6c0a9137e69c8f563e0a2c6ff4862e9ab24450850a5d4a4ccdba3871e0fed
[INFO] running `"docker" "start" "-a" "d2d6c0a9137e69c8f563e0a2c6ff4862e9ab24450850a5d4a4ccdba3871e0fed"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling backtrace v0.3.38
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling ferris-says v0.1.1
[INFO] [stderr]    Compiling rust_tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.32s
[INFO] running `"docker" "inspect" "d2d6c0a9137e69c8f563e0a2c6ff4862e9ab24450850a5d4a4ccdba3871e0fed"`
[INFO] running `"docker" "rm" "-f" "d2d6c0a9137e69c8f563e0a2c6ff4862e9ab24450850a5d4a4ccdba3871e0fed"`
[INFO] [stdout] d2d6c0a9137e69c8f563e0a2c6ff4862e9ab24450850a5d4a4ccdba3871e0fed
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 6498689ae7b63e81733a6c1ec8c3ddba136fa9f2856e0361d0d8ed9b3c8d65a4
[INFO] running `"docker" "start" "-a" "6498689ae7b63e81733a6c1ec8c3ddba136fa9f2856e0361d0d8ed9b3c8d65a4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rust_tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `"docker" "inspect" "6498689ae7b63e81733a6c1ec8c3ddba136fa9f2856e0361d0d8ed9b3c8d65a4"`
[INFO] running `"docker" "rm" "-f" "6498689ae7b63e81733a6c1ec8c3ddba136fa9f2856e0361d0d8ed9b3c8d65a4"`
[INFO] [stdout] 6498689ae7b63e81733a6c1ec8c3ddba136fa9f2856e0361d0d8ed9b3c8d65a4
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 19f68575d36ee1f9cf435dc8d5c270997234b0a6d30f37b166e864ef06732222
[INFO] running `"docker" "start" "-a" "19f68575d36ee1f9cf435dc8d5c270997234b0a6d30f37b166e864ef06732222"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_tutorial-d9d812c2266d41aa
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::internal_adder_returns_sum_of_two_arguments ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_tutorial-32b12e2db543b6a2
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test lib::tests::internal_adder_returns_sum_of_two_arguments ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_lib-7ff85be94f01a777
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test adder_returns_sum_of_two_arguments ... ok
[INFO] [stderr]    Doc-tests rust_tutorial
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "19f68575d36ee1f9cf435dc8d5c270997234b0a6d30f37b166e864ef06732222"`
[INFO] running `"docker" "rm" "-f" "19f68575d36ee1f9cf435dc8d5c270997234b0a6d30f37b166e864ef06732222"`
[INFO] [stdout] 19f68575d36ee1f9cf435dc8d5c270997234b0a6d30f37b166e864ef06732222