[INFO] cloning repository e-matteson/pipit-keyboard
[INFO] running `"git" "clone" "--bare" "git://github.com/e-matteson/pipit-keyboard.git" "work/cache/sources/gh/e-matteson/pipit-keyboard"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/e-matteson/pipit-keyboard'...
[INFO] running `"git" "clone" "work/cache/sources/gh/e-matteson/pipit-keyboard" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/e-matteson/pipit-keyboard"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/e-matteson/pipit-keyboard'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/e-matteson/pipit-keyboard" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/e-matteson/pipit-keyboard"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/e-matteson/pipit-keyboard'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c7c6c5e38ad2dbc26fa4ef02e99785d7a41116a4
[INFO] sha for GitHub repo e-matteson/pipit-keyboard: c7c6c5e38ad2dbc26fa4ef02e99785d7a41116a4
[INFO] validating manifest of e-matteson/pipit-keyboard on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of e-matteson/pipit-keyboard on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing e-matteson/pipit-keyboard
[INFO] finished frobbing e-matteson/pipit-keyboard
[INFO] frobbed toml for e-matteson/pipit-keyboard written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/e-matteson/pipit-keyboard/Cargo.toml
[INFO] started frobbing e-matteson/pipit-keyboard
[INFO] finished frobbing e-matteson/pipit-keyboard
[INFO] frobbed toml for e-matteson/pipit-keyboard written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/e-matteson/pipit-keyboard/Cargo.toml
[INFO] crate e-matteson/pipit-keyboard already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking e-matteson/pipit-keyboard against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-3/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/e-matteson/pipit-keyboard:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f410b509b47b1a8493cab9255f6b60564c3eb26eb90816ec3cd470e5fde6fe76
[INFO] running `"docker" "start" "-a" "f410b509b47b1a8493cab9255f6b60564c3eb26eb90816ec3cd470e5fde6fe76"`
[INFO] [stderr]     Checking natord v1.0.9
[INFO] [stderr]    Compiling ncurses v5.93.0
[INFO] [stderr]     Checking enumset v0.3.11
[INFO] [stderr]    Compiling enum-map-derive v0.2.10
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]     Checking serde_yaml v0.7.5
[INFO] [stderr]     Checking enum-map v0.2.36
[INFO] [stderr]     Checking cursive v0.8.2
[INFO] [stderr]     Checking pipit-keyboard v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/error.rs:113:32
[INFO] [stderr]     |
[INFO] [stderr] 113 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/error.rs:113:32
[INFO] [stderr]     |
[INFO] [stderr] 113 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/types/all_data.rs:161:29
[INFO] [stderr]     |
[INFO] [stderr] 161 |                 if let Some(mut chord) = self.get_chord_in_mode(name, mode) {
[INFO] [stderr]     |                             ----^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/cheatsheet/mod.rs:77:17
[INFO] [stderr]    |
[INFO] [stderr] 77 |             let mut pos = col_positions
[INFO] [stderr]    |                 ----^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/types/all_data.rs:161:29
[INFO] [stderr]     |
[INFO] [stderr] 161 |                 if let Some(mut chord) = self.get_chord_in_mode(name, mode) {
[INFO] [stderr]     |                             ----^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/cheatsheet/mod.rs:77:17
[INFO] [stderr]    |
[INFO] [stderr] 77 |             let mut pos = col_positions
[INFO] [stderr]    |                 ----^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.11s
[INFO] running `"docker" "inspect" "f410b509b47b1a8493cab9255f6b60564c3eb26eb90816ec3cd470e5fde6fe76"`
[INFO] running `"docker" "rm" "-f" "f410b509b47b1a8493cab9255f6b60564c3eb26eb90816ec3cd470e5fde6fe76"`
[INFO] [stdout] f410b509b47b1a8493cab9255f6b60564c3eb26eb90816ec3cd470e5fde6fe76