[INFO] updating cached repository https://github.com/smallswan/rust-by-example
[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/smallswan/rust-by-example
[INFO] [stderr]    3e01f46..5f0e567  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5f0e5672abe217eaa5a5d2d4a8b463672075b632
[INFO] testing smallswan/rust-by-example against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmallswan%2Frust-by-example" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/smallswan/rust-by-example 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/smallswan/rust-by-example
[INFO] finished tweaking git repo https://github.com/smallswan/rust-by-example
[INFO] tweaked toml for git repo https://github.com/smallswan/rust-by-example written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/smallswan/rust-by-example 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 5282853106b818867221f250877b1747117357b0a7c7d2d6c1b70606d4969522
[INFO] running `"docker" "start" "-a" "5282853106b818867221f250877b1747117357b0a7c7d2d6c1b70606d4969522"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling deflate v0.8.4
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling image v0.22.5
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling serde_json v1.0.50
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling png v0.16.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling qrcode v0.11.2
[INFO] [stderr]    Compiling jpeg-decoder v0.1.19
[INFO] [stderr]    Compiling image v0.23.4
[INFO] [stderr]    Compiling rust-by-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.32s
[INFO] running `"docker" "inspect" "5282853106b818867221f250877b1747117357b0a7c7d2d6c1b70606d4969522"`
[INFO] running `"docker" "rm" "-f" "5282853106b818867221f250877b1747117357b0a7c7d2d6c1b70606d4969522"`
[INFO] [stdout] 5282853106b818867221f250877b1747117357b0a7c7d2d6c1b70606d4969522
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 113a1afa45b6bee7a35c748fc909964fa7aaad6953a8aa615bde24fea5adc204
[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" "113a1afa45b6bee7a35c748fc909964fa7aaad6953a8aa615bde24fea5adc204"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rust-by-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.70s
[INFO] running `"docker" "inspect" "113a1afa45b6bee7a35c748fc909964fa7aaad6953a8aa615bde24fea5adc204"`
[INFO] running `"docker" "rm" "-f" "113a1afa45b6bee7a35c748fc909964fa7aaad6953a8aa615bde24fea5adc204"`
[INFO] [stdout] 113a1afa45b6bee7a35c748fc909964fa7aaad6953a8aa615bde24fea5adc204
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] f1ef49db931d11c5477d5174c7d3f8f0bdb87a0d55e2d163af67a3d5767bfae2
[INFO] running `"docker" "start" "-a" "f1ef49db931d11c5477d5174c7d3f8f0bdb87a0d55e2d163af67a3d5767bfae2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_by_example-58181d6c7ff0816a
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::demo_box ... ok
[INFO] [stdout] test tests::for_iterator ... ok
[INFO] [stdout] test tests::drop_trait_demo ... ok
[INFO] [stdout] test tests::hof ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::os_test ... ok
[INFO] [stdout] test tests::rc_demo ... ok
[INFO] [stdout] test tests::return_result ... ok
[INFO] [stdout] test tests::read_file_lines ... ok
[INFO] [stdout] test tests::qrcode_image ... ok
[INFO] [stdout] test tests::another ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_by_example-0bf6dacedd9fb508
[INFO] [stdout] test dfa::sub_str ... ok
[INFO] [stdout] test dfa::set_iter ... ok
[INFO] [stdout] test dfa::read_file ... ok
[INFO] [stdout] test serializing::marco_json_demo ... ok
[INFO] [stdout] test random::tests::first_demo ... ok
[INFO] [stdout] test serializing::json_file ... ok
[INFO] [stdout] test serializing::ser_de_demo ... ok
[INFO] [stdout] test secret::rust_crypt ... ok
[INFO] [stdout] test random::tests::rand_demo2 ... ok
[INFO] [stdout] test validators::tests::identifiers_test ... ok
[INFO] [stdout] test validators::tests::regex_demo ... ok
[INFO] [stdout] test validators::tests::money_test ... ok
[INFO] [stdout] test validators::tests::id_cards_test ... ok
[INFO] [stderr]    Doc-tests rust-by-example
[INFO] [stdout] test snowflake::elapse_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 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" "f1ef49db931d11c5477d5174c7d3f8f0bdb87a0d55e2d163af67a3d5767bfae2"`
[INFO] running `"docker" "rm" "-f" "f1ef49db931d11c5477d5174c7d3f8f0bdb87a0d55e2d163af67a3d5767bfae2"`
[INFO] [stdout] f1ef49db931d11c5477d5174c7d3f8f0bdb87a0d55e2d163af67a3d5767bfae2