[INFO] crate rustic_hal 0.1.3 is already in cache
[INFO] extracting crate rustic_hal 0.1.3 into work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/reg/rustic_hal/0.1.3
[INFO] extracting crate rustic_hal 0.1.3 into work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/reg/rustic_hal/0.1.3
[INFO] validating manifest of rustic_hal-0.1.3 on toolchain master#d99a320cba42f661aebfa1293b7b2ec3603dda75
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rustic_hal-0.1.3 on toolchain try#e70472fc501b855c9080f3772432c10fe20b8866
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rustic_hal-0.1.3
[INFO] finished frobbing rustic_hal-0.1.3
[INFO] frobbed toml for rustic_hal-0.1.3 written to work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/reg/rustic_hal/0.1.3/Cargo.toml
[INFO] started frobbing rustic_hal-0.1.3
[INFO] finished frobbing rustic_hal-0.1.3
[INFO] frobbed toml for rustic_hal-0.1.3 written to work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/reg/rustic_hal/0.1.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rustic_hal-0.1.3 against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2e9f00d98c7ee2643d42bbc4f53007d8e35491187c4591664dda286331f08deb
[INFO] running `"docker" "start" "-a" "2e9f00d98c7ee2643d42bbc4f53007d8e35491187c4591664dda286331f08deb"`
[INFO] [stderr]    Compiling rustic_hal v0.1.3 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:52:1
[INFO] [stderr]    |
[INFO] [stderr] 52 | #[macro_use] extern crate serde_derive;
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> src/resource.rs:326:33
[INFO] [stderr]     |
[INFO] [stderr] 326 |             fn expecting(&self, f: &mut Formatter) ->Result<(), FmtError>
[INFO] [stderr]     |                                 ^ help: consider using `_f` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> src/link.rs:232:33
[INFO] [stderr]     |
[INFO] [stderr] 232 |             fn expecting(&self, f: &mut Formatter) -> Result<(), Error>
[INFO] [stderr]     |                                 ^ help: consider using `_f` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> src/resource.rs:326:33
[INFO] [stderr]     |
[INFO] [stderr] 326 |             fn expecting(&self, f: &mut Formatter) ->Result<(), FmtError>
[INFO] [stderr]     |                                 ^ help: consider using `_f` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> src/link.rs:232:33
[INFO] [stderr]     |
[INFO] [stderr] 232 |             fn expecting(&self, f: &mut Formatter) -> Result<(), Error>
[INFO] [stderr]     |                                 ^ help: consider using `_f` instead
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `"docker" "inspect" "2e9f00d98c7ee2643d42bbc4f53007d8e35491187c4591664dda286331f08deb"`
[INFO] running `"docker" "rm" "-f" "2e9f00d98c7ee2643d42bbc4f53007d8e35491187c4591664dda286331f08deb"`
[INFO] [stdout] 2e9f00d98c7ee2643d42bbc4f53007d8e35491187c4591664dda286331f08deb