[INFO] cloning repository https://github.com/mirosval/diffstat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mirosval/diffstat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmirosval%2Fdiffstat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmirosval%2Fdiffstat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2727391ae7eebb3b113bf3e4e8492eb65d55fa2e
[INFO] testing mirosval/diffstat against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmirosval%2Fdiffstat" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mirosval/diffstat on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-14/source/Cargo.toml
[INFO] crate git repo https://github.com/mirosval/diffstat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded human_format v1.0.3
[INFO] [stderr]   Downloaded rustversion v1.0.1
[INFO] [stderr]   Downloaded sysctl v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e56ab3a04cd9d75164d91e36ed5357066afbad479ce98c85715a9e2fa37ec669
[INFO] running `Command { std: "docker" "start" "-a" "e56ab3a04cd9d75164d91e36ed5357066afbad479ce98c85715a9e2fa37ec669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e56ab3a04cd9d75164d91e36ed5357066afbad479ce98c85715a9e2fa37ec669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e56ab3a04cd9d75164d91e36ed5357066afbad479ce98c85715a9e2fa37ec669", kill_on_drop: false }`
[INFO] [stdout] e56ab3a04cd9d75164d91e36ed5357066afbad479ce98c85715a9e2fa37ec669
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42d2b34343660e0f7b2197b1ec8ce9de79cecd2c0175e9373253ca292f0e26c7
[INFO] running `Command { std: "docker" "start" "-a" "42d2b34343660e0f7b2197b1ec8ce9de79cecd2c0175e9373253ca292f0e26c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling human_format v1.0.3
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling clap v2.33.0
[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 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_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]     |              ^^                                     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 260 -         .map({ |line| LinuxProcNetDevLine::new(line) })
[INFO] [stdout] 260 +         .map(|line| LinuxProcNetDevLine::new(line))
[INFO] [stdout]     | 
[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]     |                 ^^                              ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 259 -         .filter({ |line| line.starts_with("eth") })
[INFO] [stdout] 259 +         .filter(|line| line.starts_with("eth"))
[INFO] [stdout]     | 
[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]     |              ^^                  ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 258 -         .map({ |line| line.trim() })
[INFO] [stdout] 258 +         .map(|line| line.trim())
[INFO] [stdout]     | 
[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]    |                                      ^^          ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 63 -         metrics.sort_unstable_by_key({ |a| a.time });
[INFO] [stdout] 63 +         metrics.sort_unstable_by_key(|a| a.time);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `iface`
[INFO] [stdout]    --> src/metrics/network.rs:201:5
[INFO] [stdout]     |
[INFO] [stdout] 201 |     iface: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rx_packets`
[INFO] [stdout]    --> src/metrics/network.rs:203:5
[INFO] [stdout]     |
[INFO] [stdout] 203 |     rx_packets: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rx_errors`
[INFO] [stdout]    --> src/metrics/network.rs:204:5
[INFO] [stdout]     |
[INFO] [stdout] 204 |     rx_errors: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rx_dropped_missed`
[INFO] [stdout]    --> src/metrics/network.rs:205:5
[INFO] [stdout]     |
[INFO] [stdout] 205 |     rx_dropped_missed: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rx_fifo_errors`
[INFO] [stdout]    --> src/metrics/network.rs:206:5
[INFO] [stdout]     |
[INFO] [stdout] 206 |     rx_fifo_errors: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rx_length_over_ctc_frame_errors`
[INFO] [stdout]    --> src/metrics/network.rs:207:5
[INFO] [stdout]     |
[INFO] [stdout] 207 |     rx_length_over_ctc_frame_errors: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rx_compressed`
[INFO] [stdout]    --> src/metrics/network.rs:208:5
[INFO] [stdout]     |
[INFO] [stdout] 208 |     rx_compressed: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `multicast`
[INFO] [stdout]    --> src/metrics/network.rs:209:5
[INFO] [stdout]     |
[INFO] [stdout] 209 |     multicast: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tx_packets`
[INFO] [stdout]    --> src/metrics/network.rs:211:5
[INFO] [stdout]     |
[INFO] [stdout] 211 |     tx_packets: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tx_errors`
[INFO] [stdout]    --> src/metrics/network.rs:212:5
[INFO] [stdout]     |
[INFO] [stdout] 212 |     tx_errors: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tx_dropped`
[INFO] [stdout]    --> src/metrics/network.rs:213:5
[INFO] [stdout]     |
[INFO] [stdout] 213 |     tx_dropped: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tx_fifo_errors`
[INFO] [stdout]    --> src/metrics/network.rs:214:5
[INFO] [stdout]     |
[INFO] [stdout] 214 |     tx_fifo_errors: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `collisions`
[INFO] [stdout]    --> src/metrics/network.rs:215:5
[INFO] [stdout]     |
[INFO] [stdout] 215 |     collisions: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tx_carrier_aborted_window_heartbeat_errors`
[INFO] [stdout]    --> src/metrics/network.rs:216:5
[INFO] [stdout]     |
[INFO] [stdout] 216 |     tx_carrier_aborted_window_heartbeat_errors: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tx_compressed`
[INFO] [stdout]    --> src/metrics/network.rs:217:5
[INFO] [stdout]     |
[INFO] [stdout] 217 |     tx_compressed: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.77s
[INFO] running `Command { std: "docker" "inspect" "42d2b34343660e0f7b2197b1ec8ce9de79cecd2c0175e9373253ca292f0e26c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42d2b34343660e0f7b2197b1ec8ce9de79cecd2c0175e9373253ca292f0e26c7", kill_on_drop: false }`
[INFO] [stdout] 42d2b34343660e0f7b2197b1ec8ce9de79cecd2c0175e9373253ca292f0e26c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9f7f44b16f167cea4db229e033452b1f3208320d3d218d4f800b32e5207ea93
[INFO] running `Command { std: "docker" "start" "-a" "c9f7f44b16f167cea4db229e033452b1f3208320d3d218d4f800b32e5207ea93", 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]     |              ^^                                     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 260 -         .map({ |line| LinuxProcNetDevLine::new(line) })
[INFO] [stdout] 260 +         .map(|line| LinuxProcNetDevLine::new(line))
[INFO] [stdout]     | 
[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]     |                 ^^                              ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 259 -         .filter({ |line| line.starts_with("eth") })
[INFO] [stdout] 259 +         .filter(|line| line.starts_with("eth"))
[INFO] [stdout]     | 
[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]     |              ^^                  ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 258 -         .map({ |line| line.trim() })
[INFO] [stdout] 258 +         .map(|line| line.trim())
[INFO] [stdout]     | 
[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]    |                                      ^^          ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 63 -         metrics.sort_unstable_by_key({ |a| a.time });
[INFO] [stdout] 63 +         metrics.sort_unstable_by_key(|a| a.time);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `iface`
[INFO] [stdout]    --> src/metrics/network.rs:201:5
[INFO] [stdout]     |
[INFO] [stdout] 201 |     iface: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rx_packets`
[INFO] [stdout]    --> src/metrics/network.rs:203:5
[INFO] [stdout]     |
[INFO] [stdout] 203 |     rx_packets: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rx_errors`
[INFO] [stdout]    --> src/metrics/network.rs:204:5
[INFO] [stdout]     |
[INFO] [stdout] 204 |     rx_errors: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rx_dropped_missed`
[INFO] [stdout]    --> src/metrics/network.rs:205:5
[INFO] [stdout]     |
[INFO] [stdout] 205 |     rx_dropped_missed: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rx_fifo_errors`
[INFO] [stdout]    --> src/metrics/network.rs:206:5
[INFO] [stdout]     |
[INFO] [stdout] 206 |     rx_fifo_errors: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rx_length_over_ctc_frame_errors`
[INFO] [stdout]    --> src/metrics/network.rs:207:5
[INFO] [stdout]     |
[INFO] [stdout] 207 |     rx_length_over_ctc_frame_errors: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rx_compressed`
[INFO] [stdout]    --> src/metrics/network.rs:208:5
[INFO] [stdout]     |
[INFO] [stdout] 208 |     rx_compressed: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `multicast`
[INFO] [stdout]    --> src/metrics/network.rs:209:5
[INFO] [stdout]     |
[INFO] [stdout] 209 |     multicast: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tx_packets`
[INFO] [stdout]    --> src/metrics/network.rs:211:5
[INFO] [stdout]     |
[INFO] [stdout] 211 |     tx_packets: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tx_errors`
[INFO] [stdout]    --> src/metrics/network.rs:212:5
[INFO] [stdout]     |
[INFO] [stdout] 212 |     tx_errors: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tx_dropped`
[INFO] [stdout]    --> src/metrics/network.rs:213:5
[INFO] [stdout]     |
[INFO] [stdout] 213 |     tx_dropped: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tx_fifo_errors`
[INFO] [stdout]    --> src/metrics/network.rs:214:5
[INFO] [stdout]     |
[INFO] [stdout] 214 |     tx_fifo_errors: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `collisions`
[INFO] [stdout]    --> src/metrics/network.rs:215:5
[INFO] [stdout]     |
[INFO] [stdout] 215 |     collisions: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tx_carrier_aborted_window_heartbeat_errors`
[INFO] [stdout]    --> src/metrics/network.rs:216:5
[INFO] [stdout]     |
[INFO] [stdout] 216 |     tx_carrier_aborted_window_heartbeat_errors: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tx_compressed`
[INFO] [stdout]    --> src/metrics/network.rs:217:5
[INFO] [stdout]     |
[INFO] [stdout] 217 |     tx_compressed: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/storage/mod.rs:226:38
[INFO] [stdout]     |
[INFO] [stdout] 226 |             Err(e) => assert!(false, format!("error resetting file: {}", e)),
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 226 -             Err(e) => assert!(false, format!("error resetting file: {}", e)),
[INFO] [stdout] 226 +             Err(e) => assert!(false, "error resetting file: {}", e),
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/storage/mod.rs:249:38
[INFO] [stdout]     |
[INFO] [stdout] 249 |             Err(e) => assert!(false, format!("writing failed with {}", e)),
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 249 -             Err(e) => assert!(false, format!("writing failed with {}", e)),
[INFO] [stdout] 249 +             Err(e) => assert!(false, "writing failed with {}", e),
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/storage/mod.rs:296:38
[INFO] [stdout]     |
[INFO] [stdout] 296 |             Err(e) => assert!(false, format!("error reading: {}", e)),
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 296 -             Err(e) => assert!(false, format!("error reading: {}", e)),
[INFO] [stdout] 296 +             Err(e) => assert!(false, "error reading: {}", e),
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "c9f7f44b16f167cea4db229e033452b1f3208320d3d218d4f800b32e5207ea93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9f7f44b16f167cea4db229e033452b1f3208320d3d218d4f800b32e5207ea93", kill_on_drop: false }`
[INFO] [stdout] c9f7f44b16f167cea4db229e033452b1f3208320d3d218d4f800b32e5207ea93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e47ce4836000d3c799b9a45b5b9b27740fa24eb9b6be888deb8c83896688a366
[INFO] running `Command { std: "docker" "start" "-a" "e47ce4836000d3c799b9a45b5b9b27740fa24eb9b6be888deb8c83896688a366", 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]     |              ^^                                     ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr] 260 -         .map({ |line| LinuxProcNetDevLine::new(line) })
[INFO] [stderr] 260 +         .map(|line| LinuxProcNetDevLine::new(line))
[INFO] [stderr]     | 
[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]     |                 ^^                              ^^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr] 259 -         .filter({ |line| line.starts_with("eth") })
[INFO] [stderr] 259 +         .filter(|line| line.starts_with("eth"))
[INFO] [stderr]     | 
[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]     |              ^^                  ^^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr] 258 -         .map({ |line| line.trim() })
[INFO] [stderr] 258 +         .map(|line| line.trim())
[INFO] [stderr]     | 
[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]    |                                      ^^          ^^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 63 -         metrics.sort_unstable_by_key({ |a| a.time });
[INFO] [stderr] 63 +         metrics.sort_unstable_by_key(|a| a.time);
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `iface`
[INFO] [stderr]    --> src/metrics/network.rs:201:5
[INFO] [stderr]     |
[INFO] [stderr] 201 |     iface: String,
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `rx_packets`
[INFO] [stderr]    --> src/metrics/network.rs:203:5
[INFO] [stderr]     |
[INFO] [stderr] 203 |     rx_packets: u64,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `rx_errors`
[INFO] [stderr]    --> src/metrics/network.rs:204:5
[INFO] [stderr]     |
[INFO] [stderr] 204 |     rx_errors: u64,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `rx_dropped_missed`
[INFO] [stderr]    --> src/metrics/network.rs:205:5
[INFO] [stderr]     |
[INFO] [stderr] 205 |     rx_dropped_missed: u64,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `rx_fifo_errors`
[INFO] [stderr]    --> src/metrics/network.rs:206:5
[INFO] [stderr]     |
[INFO] [stderr] 206 |     rx_fifo_errors: u64,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `rx_length_over_ctc_frame_errors`
[INFO] [stderr]    --> src/metrics/network.rs:207:5
[INFO] [stderr]     |
[INFO] [stderr] 207 |     rx_length_over_ctc_frame_errors: u64,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `rx_compressed`
[INFO] [stderr]    --> src/metrics/network.rs:208:5
[INFO] [stderr]     |
[INFO] [stderr] 208 |     rx_compressed: u64,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `multicast`
[INFO] [stderr]    --> src/metrics/network.rs:209:5
[INFO] [stderr]     |
[INFO] [stderr] 209 |     multicast: u64,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `tx_packets`
[INFO] [stderr]    --> src/metrics/network.rs:211:5
[INFO] [stderr]     |
[INFO] [stderr] 211 |     tx_packets: u64,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `tx_errors`
[INFO] [stderr]    --> src/metrics/network.rs:212:5
[INFO] [stderr]     |
[INFO] [stderr] 212 |     tx_errors: u64,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `tx_dropped`
[INFO] [stderr]    --> src/metrics/network.rs:213:5
[INFO] [stderr]     |
[INFO] [stderr] 213 |     tx_dropped: u64,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `tx_fifo_errors`
[INFO] [stderr]    --> src/metrics/network.rs:214:5
[INFO] [stderr]     |
[INFO] [stderr] 214 |     tx_fifo_errors: u64,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `collisions`
[INFO] [stderr]    --> src/metrics/network.rs:215:5
[INFO] [stderr]     |
[INFO] [stderr] 215 |     collisions: u64,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `tx_carrier_aborted_window_heartbeat_errors`
[INFO] [stderr]    --> src/metrics/network.rs:216:5
[INFO] [stderr]     |
[INFO] [stderr] 216 |     tx_carrier_aborted_window_heartbeat_errors: u64,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `tx_compressed`
[INFO] [stderr]    --> src/metrics/network.rs:217:5
[INFO] [stderr]     |
[INFO] [stderr] 217 |     tx_compressed: u64,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/storage/mod.rs:226:38
[INFO] [stderr]     |
[INFO] [stderr] 226 |             Err(e) => assert!(false, format!("error resetting file: {}", e)),
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 226 -             Err(e) => assert!(false, format!("error resetting file: {}", e)),
[INFO] [stderr] 226 +             Err(e) => assert!(false, "error resetting file: {}", e),
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/storage/mod.rs:249:38
[INFO] [stderr]     |
[INFO] [stderr] 249 |             Err(e) => assert!(false, format!("writing failed with {}", e)),
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 249 -             Err(e) => assert!(false, format!("writing failed with {}", e)),
[INFO] [stderr] 249 +             Err(e) => assert!(false, "writing failed with {}", e),
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/storage/mod.rs:296:38
[INFO] [stderr]     |
[INFO] [stderr] 296 |             Err(e) => assert!(false, format!("error reading: {}", e)),
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 296 -             Err(e) => assert!(false, format!("error reading: {}", e)),
[INFO] [stderr] 296 +             Err(e) => assert!(false, "error reading: {}", e),
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: `diffmetrik` (bin "diffmetrik" test) generated 22 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/diffmetrik-012753beb2a15a43)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test metrics::network::tests::test_formatter ... ok
[INFO] [stdout] test metrics::network::tests::test_linux ... ok
[INFO] [stdout] test storage::tests::path_set_correctly ... ok
[INFO] [stdout] test storage::tests::file_read ... ok
[INFO] [stdout] test storage::tests::file_reset ... 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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e47ce4836000d3c799b9a45b5b9b27740fa24eb9b6be888deb8c83896688a366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e47ce4836000d3c799b9a45b5b9b27740fa24eb9b6be888deb8c83896688a366", kill_on_drop: false }`
[INFO] [stdout] e47ce4836000d3c799b9a45b5b9b27740fa24eb9b6be888deb8c83896688a366