[INFO] crate clitask 0.9.0 is already in cache
[INFO] extracting crate clitask 0.9.0 into work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/clitask/0.9.0
[INFO] extracting crate clitask 0.9.0 into work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/clitask/0.9.0
[INFO] validating manifest of clitask-0.9.0 on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of clitask-0.9.0 on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing clitask-0.9.0
[INFO] finished frobbing clitask-0.9.0
[INFO] frobbed toml for clitask-0.9.0 written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/clitask/0.9.0/Cargo.toml
[INFO] started frobbing clitask-0.9.0
[INFO] finished frobbing clitask-0.9.0
[INFO] frobbed toml for clitask-0.9.0 written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/clitask/0.9.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking clitask-0.9.0 against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-7/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/clitask/0.9.0:/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] cdfee9191c39f15eee34681cffb6c17f419f9a367c4dc8e8ab6dd17bbe33eb7e
[INFO] running `"docker" "start" "-a" "cdfee9191c39f15eee34681cffb6c17f419f9a367c4dc8e8ab6dd17bbe33eb7e"`
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking clitask v0.9.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/main.rs:129:13
[INFO] [stderr]     |
[INFO] [stderr] 129 |         Err(e) => Settings {
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/command.rs:44:21
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 let mut webtask;
[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: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/settings.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         self.save(&APP_INFO, ".config");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/settings.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |         self.save(&APP_INFO, ".config");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/main.rs:129:13
[INFO] [stderr]     |
[INFO] [stderr] 129 |         Err(e) => Settings {
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/command.rs:44:21
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 let mut webtask;
[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: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/settings.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         self.save(&APP_INFO, ".config");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/settings.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |         self.save(&APP_INFO, ".config");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `"docker" "inspect" "cdfee9191c39f15eee34681cffb6c17f419f9a367c4dc8e8ab6dd17bbe33eb7e"`
[INFO] running `"docker" "rm" "-f" "cdfee9191c39f15eee34681cffb6c17f419f9a367c4dc8e8ab6dd17bbe33eb7e"`
[INFO] [stdout] cdfee9191c39f15eee34681cffb6c17f419f9a367c4dc8e8ab6dd17bbe33eb7e