[INFO] updating cached repository https://github.com/Arekkusuva/try-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/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] 453065a21eca81b37b0511d5558c30272c961d5c
[INFO] checking Arekkusuva/try-rust against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FArekkusuva%2Ftry-rust" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Arekkusuva/try-rust on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Arekkusuva/try-rust
[INFO] finished tweaking git repo https://github.com/Arekkusuva/try-rust
[INFO] tweaked toml for git repo https://github.com/Arekkusuva/try-rust written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Arekkusuva/try-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2677c92a8c4c80d0519116b75eea98d6a59beb131db81448a3515a04e4d3aac2
[INFO] running `"docker" "start" "-a" "2677c92a8c4c80d0519116b75eea98d6a59beb131db81448a3515a04e4d3aac2"`
[INFO] [stderr]     Checking serde v1.0.39
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]     Checking chrono v0.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.39
[INFO] [stderr]     Checking flate2 v1.0.1
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking serde_json v1.0.15
[INFO] [stderr]     Checking serde_yaml v0.7.3
[INFO] [stderr]     Checking serde-value v0.5.2
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]     Checking log4rs v0.8.0
[INFO] [stderr]     Checking zoma v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/watcher.rs:28:30
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn update(&mut self, c: conf::Config) {
[INFO] [stderr]    |                              ^ help: consider prefixing with an underscore: `_c`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `task_name`
[INFO] [stderr]   --> src/watcher.rs:33:29
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn start(&mut self, task_name: String) {
[INFO] [stderr]    |                             ^^^^^^^^^ help: consider prefixing with an underscore: `_task_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `task_name`
[INFO] [stderr]   --> src/watcher.rs:38:28
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn stop(&mut self, task_name: String) {
[INFO] [stderr]    |                            ^^^^^^^^^ help: consider prefixing with an underscore: `_task_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `task_name`
[INFO] [stderr]   --> src/watcher.rs:45:26
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn status(&self, task_name: String) -> bool {
[INFO] [stderr]    |                          ^^^^^^^^^ help: consider prefixing with an underscore: `_task_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/watcher.rs:28:30
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn update(&mut self, c: conf::Config) {
[INFO] [stderr]    |                              ^ help: consider prefixing with an underscore: `_c`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `task_name`
[INFO] [stderr]   --> src/watcher.rs:33:29
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn start(&mut self, task_name: String) {
[INFO] [stderr]    |                             ^^^^^^^^^ help: consider prefixing with an underscore: `_task_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `task_name`
[INFO] [stderr]   --> src/watcher.rs:38:28
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn stop(&mut self, task_name: String) {
[INFO] [stderr]    |                            ^^^^^^^^^ help: consider prefixing with an underscore: `_task_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `task_name`
[INFO] [stderr]   --> src/watcher.rs:45:26
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn status(&self, task_name: String) -> bool {
[INFO] [stderr]    |                          ^^^^^^^^^ help: consider prefixing with an underscore: `_task_name`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.47s
[INFO] running `"docker" "inspect" "2677c92a8c4c80d0519116b75eea98d6a59beb131db81448a3515a04e4d3aac2"`
[INFO] running `"docker" "rm" "-f" "2677c92a8c4c80d0519116b75eea98d6a59beb131db81448a3515a04e4d3aac2"`
[INFO] [stdout] 2677c92a8c4c80d0519116b75eea98d6a59beb131db81448a3515a04e4d3aac2