[INFO] updating cached repository https://github.com/mirosval/diffstat
[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] 2727391ae7eebb3b113bf3e4e8492eb65d55fa2e
[INFO] testing mirosval/diffstat against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmirosval%2Fdiffstat" "/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/mirosval/diffstat on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mirosval/diffstat
[INFO] finished tweaking git repo https://github.com/mirosval/diffstat
[INFO] tweaked toml for git repo https://github.com/mirosval/diffstat written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mirosval/diffstat already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stdout] cc207438c3cfde6c25ec1a9ea8eeaee79056eea574e5b65a01a5b9f4ca8cf513
[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" "cc207438c3cfde6c25ec1a9ea8eeaee79056eea574e5b65a01a5b9f4ca8cf513"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling human_format v1.0.3
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling backtrace v0.3.41
[INFO] [stderr]    Compiling syn-mid v0.4.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling rustversion v1.0.1
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling proc-macro-error v0.4.4
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.3
[INFO] [stderr]    Compiling sysctl v0.4.0
[INFO] [stderr]    Compiling structopt-derive v0.4.0
[INFO] [stderr]    Compiling structopt v0.3.7
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling serde_json v1.0.44
[INFO] [stderr]    Compiling diffmetrik v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]    --> src/metrics/network.rs:260:14
[INFO] [stderr]     |
[INFO] [stderr] 260 |         .map({ |line| LinuxProcNetDevLine::new(line) })
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]    --> src/metrics/network.rs:259:17
[INFO] [stderr]     |
[INFO] [stderr] 259 |         .filter({ |line| line.starts_with("eth") })
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]    --> src/metrics/network.rs:258:14
[INFO] [stderr]     |
[INFO] [stderr] 258 |         .map({ |line| line.trim() })
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]   --> src/metrics/mod.rs:63:38
[INFO] [stderr]    |
[INFO] [stderr] 63 |         metrics.sort_unstable_by_key({ |a| a.time });
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `"docker" "inspect" "cc207438c3cfde6c25ec1a9ea8eeaee79056eea574e5b65a01a5b9f4ca8cf513"`
[INFO] running `"docker" "rm" "-f" "cc207438c3cfde6c25ec1a9ea8eeaee79056eea574e5b65a01a5b9f4ca8cf513"`
[INFO] [stdout] cc207438c3cfde6c25ec1a9ea8eeaee79056eea574e5b65a01a5b9f4ca8cf513
[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" "+beta-2020-06-03" "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] ce8daeb10c3fd2b564f68a7d3eaf5b2fc3daf0d78105a8230ea3adcff9ead053
[INFO] running `"docker" "start" "-a" "ce8daeb10c3fd2b564f68a7d3eaf5b2fc3daf0d78105a8230ea3adcff9ead053"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling diffmetrik v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]    --> src/metrics/network.rs:260:14
[INFO] [stderr]     |
[INFO] [stderr] 260 |         .map({ |line| LinuxProcNetDevLine::new(line) })
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]    --> src/metrics/network.rs:259:17
[INFO] [stderr]     |
[INFO] [stderr] 259 |         .filter({ |line| line.starts_with("eth") })
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]    --> src/metrics/network.rs:258:14
[INFO] [stderr]     |
[INFO] [stderr] 258 |         .map({ |line| line.trim() })
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]   --> src/metrics/mod.rs:63:38
[INFO] [stderr]    |
[INFO] [stderr] 63 |         metrics.sort_unstable_by_key({ |a| a.time });
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.43s
[INFO] running `"docker" "inspect" "ce8daeb10c3fd2b564f68a7d3eaf5b2fc3daf0d78105a8230ea3adcff9ead053"`
[INFO] running `"docker" "rm" "-f" "ce8daeb10c3fd2b564f68a7d3eaf5b2fc3daf0d78105a8230ea3adcff9ead053"`
[INFO] [stdout] ce8daeb10c3fd2b564f68a7d3eaf5b2fc3daf0d78105a8230ea3adcff9ead053
[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" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stdout] d12f20dc05c8dec7048e06ee86781f73314aa98908c6bb12e4c9a6930571ce06
[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" "d12f20dc05c8dec7048e06ee86781f73314aa98908c6bb12e4c9a6930571ce06"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]    --> src/metrics/network.rs:260:14
[INFO] [stderr]     |
[INFO] [stderr] 260 |         .map({ |line| LinuxProcNetDevLine::new(line) })
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]    --> src/metrics/network.rs:259:17
[INFO] [stderr]     |
[INFO] [stderr] 259 |         .filter({ |line| line.starts_with("eth") })
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]    --> src/metrics/network.rs:258:14
[INFO] [stderr]     |
[INFO] [stderr] 258 |         .map({ |line| line.trim() })
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]   --> src/metrics/mod.rs:63:38
[INFO] [stderr]    |
[INFO] [stderr] 63 |         metrics.sort_unstable_by_key({ |a| a.time });
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/diffmetrik-41d433fde23aff56
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test storage::tests::path_set_correctly ... ok
[INFO] [stdout] test metrics::network::tests::test_linux ... ok
[INFO] [stdout] test storage::tests::file_read ... ok
[INFO] [stdout] test storage::tests::file_write ... ok
[INFO] [stdout] test storage::tests::file_write_len ... ok
[INFO] [stdout] test metrics::network::tests::test_formatter ... ok
[INFO] [stdout] test storage::tests::file_reset ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d12f20dc05c8dec7048e06ee86781f73314aa98908c6bb12e4c9a6930571ce06"`
[INFO] running `"docker" "rm" "-f" "d12f20dc05c8dec7048e06ee86781f73314aa98908c6bb12e4c9a6930571ce06"`
[INFO] [stdout] d12f20dc05c8dec7048e06ee86781f73314aa98908c6bb12e4c9a6930571ce06