[INFO] crate diffmetrik 0.3.0 is already in cache
[INFO] testing diffmetrik-0.3.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate diffmetrik 0.3.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate diffmetrik 0.3.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate diffmetrik 0.3.0
[INFO] finished tweaking crates.io crate diffmetrik 0.3.0
[INFO] tweaked toml for crates.io crate diffmetrik 0.3.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate diffmetrik 0.3.0 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] eed4c4b49a725dcf0b81f9697ce08d27fe7a44d652729aa30c2a5a1eda0abd26
[INFO] running `"docker" "start" "-a" "eed4c4b49a725dcf0b81f9697ce08d27fe7a44d652729aa30c2a5a1eda0abd26"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling human_format v1.0.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.2
[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 serde_derive v1.0.104
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling sysctl v0.4.0
[INFO] [stderr]    Compiling proc-macro-error v0.4.4
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.3
[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 04s
[INFO] running `"docker" "inspect" "eed4c4b49a725dcf0b81f9697ce08d27fe7a44d652729aa30c2a5a1eda0abd26"`
[INFO] running `"docker" "rm" "-f" "eed4c4b49a725dcf0b81f9697ce08d27fe7a44d652729aa30c2a5a1eda0abd26"`
[INFO] [stdout] eed4c4b49a725dcf0b81f9697ce08d27fe7a44d652729aa30c2a5a1eda0abd26
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] e5c460694e3ebf9eb96718bb17d0d956c754d7c01e64e208b2e704fb42a8d29d
[INFO] running `"docker" "start" "-a" "e5c460694e3ebf9eb96718bb17d0d956c754d7c01e64e208b2e704fb42a8d29d"`
[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 2.41s
[INFO] running `"docker" "inspect" "e5c460694e3ebf9eb96718bb17d0d956c754d7c01e64e208b2e704fb42a8d29d"`
[INFO] running `"docker" "rm" "-f" "e5c460694e3ebf9eb96718bb17d0d956c754d7c01e64e208b2e704fb42a8d29d"`
[INFO] [stdout] e5c460694e3ebf9eb96718bb17d0d956c754d7c01e64e208b2e704fb42a8d29d
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 34bd14d880bfe414205466c56c50bee8f6690c6a18be91838f711d7112551448
[INFO] running `"docker" "start" "-a" "34bd14d880bfe414205466c56c50bee8f6690c6a18be91838f711d7112551448"`
[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 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/diffmetrik-2d31b468ae857fe7
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test storage::tests::file_reset ... ok
[INFO] [stdout] test metrics::network::tests::test_formatter ... ok
[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] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "34bd14d880bfe414205466c56c50bee8f6690c6a18be91838f711d7112551448"`
[INFO] running `"docker" "rm" "-f" "34bd14d880bfe414205466c56c50bee8f6690c6a18be91838f711d7112551448"`
[INFO] [stdout] 34bd14d880bfe414205466c56c50bee8f6690c6a18be91838f711d7112551448