[INFO] crate diffmetrik 0.3.0 is already in cache
[INFO] testing diffmetrik-0.3.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate diffmetrik 0.3.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate diffmetrik 0.3.0 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-1/source/Cargo.toml
[INFO] crate crates.io crate diffmetrik 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b472a3e0b9aff24bd25395054c76e72d55ab3eec21f036449b6161e4efda477
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9b472a3e0b9aff24bd25395054c76e72d55ab3eec21f036449b6161e4efda477", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b472a3e0b9aff24bd25395054c76e72d55ab3eec21f036449b6161e4efda477", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b472a3e0b9aff24bd25395054c76e72d55ab3eec21f036449b6161e4efda477", kill_on_drop: false }`
[INFO] [stdout] 9b472a3e0b9aff24bd25395054c76e72d55ab3eec21f036449b6161e4efda477
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fe3c623022c66e4db25381990e293895f1e307828c673b962389e04a0ccad6a7
[INFO] running `Command { std: "docker" "start" "-a" "fe3c623022c66e4db25381990e293895f1e307828c673b962389e04a0ccad6a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[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 clap v2.33.0
[INFO] [stderr]    Compiling heck v0.3.1
[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 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] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> src/metrics/network.rs:260:14
[INFO] [stdout]     |
[INFO] [stdout] 260 |         .map({ |line| LinuxProcNetDevLine::new(line) })
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> src/metrics/network.rs:259:17
[INFO] [stdout]     |
[INFO] [stdout] 259 |         .filter({ |line| line.starts_with("eth") })
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> src/metrics/network.rs:258:14
[INFO] [stdout]     |
[INFO] [stdout] 258 |         .map({ |line| line.trim() })
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]   --> src/metrics/mod.rs:63:38
[INFO] [stdout]    |
[INFO] [stdout] 63 |         metrics.sort_unstable_by_key({ |a| a.time });
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.72s
[INFO] running `Command { std: "docker" "inspect" "fe3c623022c66e4db25381990e293895f1e307828c673b962389e04a0ccad6a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe3c623022c66e4db25381990e293895f1e307828c673b962389e04a0ccad6a7", kill_on_drop: false }`
[INFO] [stdout] fe3c623022c66e4db25381990e293895f1e307828c673b962389e04a0ccad6a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38e2e49d93491458f696f2dd99c37c2eda7c0471b793e8cb5c20fe94c4c1a5b6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "38e2e49d93491458f696f2dd99c37c2eda7c0471b793e8cb5c20fe94c4c1a5b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling diffmetrik v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> src/metrics/network.rs:260:14
[INFO] [stdout]     |
[INFO] [stdout] 260 |         .map({ |line| LinuxProcNetDevLine::new(line) })
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> src/metrics/network.rs:259:17
[INFO] [stdout]     |
[INFO] [stdout] 259 |         .filter({ |line| line.starts_with("eth") })
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> src/metrics/network.rs:258:14
[INFO] [stdout]     |
[INFO] [stdout] 258 |         .map({ |line| line.trim() })
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]   --> src/metrics/mod.rs:63:38
[INFO] [stdout]    |
[INFO] [stdout] 63 |         metrics.sort_unstable_by_key({ |a| a.time });
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.80s
[INFO] running `Command { std: "docker" "inspect" "38e2e49d93491458f696f2dd99c37c2eda7c0471b793e8cb5c20fe94c4c1a5b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38e2e49d93491458f696f2dd99c37c2eda7c0471b793e8cb5c20fe94c4c1a5b6", kill_on_drop: false }`
[INFO] [stdout] 38e2e49d93491458f696f2dd99c37c2eda7c0471b793e8cb5c20fe94c4c1a5b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5a36b87f33f4c9b57463bade80039bb309cb586e8cec09c5a6517791bc184c2a
[INFO] running `Command { std: "docker" "start" "-a" "5a36b87f33f4c9b57463bade80039bb309cb586e8cec09c5a6517791bc184c2a", kill_on_drop: false }`
[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 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/diffmetrik-3d9683de4efa6b1d
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test storage::tests::path_set_correctly ... ok
[INFO] [stdout] test metrics::network::tests::test_formatter ... 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_reset ... 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 `Command { std: "docker" "inspect" "5a36b87f33f4c9b57463bade80039bb309cb586e8cec09c5a6517791bc184c2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a36b87f33f4c9b57463bade80039bb309cb586e8cec09c5a6517791bc184c2a", kill_on_drop: false }`
[INFO] [stdout] 5a36b87f33f4c9b57463bade80039bb309cb586e8cec09c5a6517791bc184c2a