[INFO] updating cached repository https://github.com/clouddra/connected_component
[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] 3bd17f018e1296fe9c058b091a874ffb4f6af6ba
[INFO] testing clouddra/connected_component against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclouddra%2Fconnected_component" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/clouddra/connected_component 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/clouddra/connected_component
[INFO] finished tweaking git repo https://github.com/clouddra/connected_component
[INFO] tweaked toml for git repo https://github.com/clouddra/connected_component written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/clouddra/connected_component 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 251f6c08e6ff0c5a1a99a7b74cabfc5130613d42b383d34ae673a4045c7df339
[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" "251f6c08e6ff0c5a1a99a7b74cabfc5130613d42b383d34ae673a4045c7df339"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling connected_component v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/main.rs:24:61
[INFO] [stderr]    |
[INFO] [stderr] 24 |     io::stdin().read_line(&mut input).and_then(|_| Ok(input.trim_right().to_string()))
[INFO] [stderr]    |                                                             ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.31s
[INFO] running `"docker" "inspect" "251f6c08e6ff0c5a1a99a7b74cabfc5130613d42b383d34ae673a4045c7df339"`
[INFO] running `"docker" "rm" "-f" "251f6c08e6ff0c5a1a99a7b74cabfc5130613d42b383d34ae673a4045c7df339"`
[INFO] [stdout] 251f6c08e6ff0c5a1a99a7b74cabfc5130613d42b383d34ae673a4045c7df339
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] e23518909b02e647aff31c699f05c0570a8056712753e382312f4e3c4efafb1c
[INFO] running `"docker" "start" "-a" "e23518909b02e647aff31c699f05c0570a8056712753e382312f4e3c4efafb1c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling connected_component v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/main.rs:24:61
[INFO] [stderr]    |
[INFO] [stderr] 24 |     io::stdin().read_line(&mut input).and_then(|_| Ok(input.trim_right().to_string()))
[INFO] [stderr]    |                                                             ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `"docker" "inspect" "e23518909b02e647aff31c699f05c0570a8056712753e382312f4e3c4efafb1c"`
[INFO] running `"docker" "rm" "-f" "e23518909b02e647aff31c699f05c0570a8056712753e382312f4e3c4efafb1c"`
[INFO] [stdout] e23518909b02e647aff31c699f05c0570a8056712753e382312f4e3c4efafb1c
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 32f9d3c8b0c88415ff9929b1394e910d37e8b02ce56e1091f2ec6afd1c99f92c
[INFO] running `"docker" "start" "-a" "32f9d3c8b0c88415ff9929b1394e910d37e8b02ce56e1091f2ec6afd1c99f92c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/main.rs:24:61
[INFO] [stderr]    |
[INFO] [stderr] 24 |     io::stdin().read_line(&mut input).and_then(|_| Ok(input.trim_right().to_string()))
[INFO] [stderr]    |                                                             ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/connected_component-6d3a401bf64770f0
[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" "32f9d3c8b0c88415ff9929b1394e910d37e8b02ce56e1091f2ec6afd1c99f92c"`
[INFO] running `"docker" "rm" "-f" "32f9d3c8b0c88415ff9929b1394e910d37e8b02ce56e1091f2ec6afd1c99f92c"`
[INFO] [stdout] 32f9d3c8b0c88415ff9929b1394e910d37e8b02ce56e1091f2ec6afd1c99f92c