Dec 18 11:42:58.232 INFO checking rustic_hal-0.1.3 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 11:42:58.232 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/rustic_hal/0.1.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 11:42:58.443 INFO [stdout] ac0129592d85b6edea4712385d4d49d99a6f7b0d974ac007417fa269f43f2ec2
Dec 18 11:42:58.449 INFO running `"docker" "start" "-a" "ac0129592d85b6edea4712385d4d49d99a6f7b0d974ac007417fa269f43f2ec2"`
Dec 18 11:42:59.051 INFO [stderr]    Compiling rustic_hal v0.1.3 (/opt/crater/workdir)
Dec 18 11:42:59.677 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 11:42:59.677 INFO [stderr]   --> src/lib.rs:52:1
Dec 18 11:42:59.677 INFO [stderr]    |
Dec 18 11:42:59.677 INFO [stderr] 52 | #[macro_use] extern crate serde_derive;
Dec 18 11:42:59.677 INFO [stderr]    | ^^^^^^^^^^^^
Dec 18 11:42:59.677 INFO [stderr]    |
Dec 18 11:42:59.677 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 11:42:59.677 INFO [stderr] 
Dec 18 11:42:59.856 INFO [stderr] warning: unused variable: `f`
Dec 18 11:42:59.856 INFO [stderr]    --> src/resource.rs:326:33
Dec 18 11:42:59.856 INFO [stderr]     |
Dec 18 11:42:59.856 INFO [stderr] 326 |             fn expecting(&self, f: &mut Formatter) ->Result<(), FmtError>
Dec 18 11:42:59.856 INFO [stderr]     |                                 ^ help: consider using `_f` instead
Dec 18 11:42:59.856 INFO [stderr]     |
Dec 18 11:42:59.856 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 18 11:42:59.856 INFO [stderr] 
Dec 18 11:42:59.856 INFO [stderr] warning: unused variable: `f`
Dec 18 11:42:59.856 INFO [stderr]    --> src/link.rs:232:33
Dec 18 11:42:59.856 INFO [stderr]     |
Dec 18 11:42:59.856 INFO [stderr] 232 |             fn expecting(&self, f: &mut Formatter) -> Result<(), Error>
Dec 18 11:42:59.856 INFO [stderr]     |                                 ^ help: consider using `_f` instead
Dec 18 11:42:59.856 INFO [stderr] 
Dec 18 11:43:00.067 INFO [stderr] warning: unused variable: `f`
Dec 18 11:43:00.067 INFO [stderr]    --> src/resource.rs:326:33
Dec 18 11:43:00.067 INFO [stderr]     |
Dec 18 11:43:00.067 INFO [stderr] 326 |             fn expecting(&self, f: &mut Formatter) ->Result<(), FmtError>
Dec 18 11:43:00.067 INFO [stderr]     |                                 ^ help: consider using `_f` instead
Dec 18 11:43:00.068 INFO [stderr]     |
Dec 18 11:43:00.068 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 18 11:43:00.068 INFO [stderr] 
Dec 18 11:43:00.072 INFO [stderr] warning: unused variable: `f`
Dec 18 11:43:00.072 INFO [stderr]    --> src/link.rs:232:33
Dec 18 11:43:00.072 INFO [stderr]     |
Dec 18 11:43:00.072 INFO [stderr] 232 |             fn expecting(&self, f: &mut Formatter) -> Result<(), Error>
Dec 18 11:43:00.072 INFO [stderr]     |                                 ^ help: consider using `_f` instead
Dec 18 11:43:00.072 INFO [stderr] 
Dec 18 11:43:00.198 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
Dec 18 11:43:00.533 INFO running `"docker" "inspect" "ac0129592d85b6edea4712385d4d49d99a6f7b0d974ac007417fa269f43f2ec2"`
Dec 18 11:43:00.626 INFO running `"docker" "rm" "-f" "ac0129592d85b6edea4712385d4d49d99a6f7b0d974ac007417fa269f43f2ec2"`
Dec 18 11:43:00.733 INFO [stdout] ac0129592d85b6edea4712385d4d49d99a6f7b0d974ac007417fa269f43f2ec2