[INFO] updating cached repository steveklabnik/rust-struggle
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/steveklabnik/rust-struggle
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/steveklabnik/rust-struggle" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/steveklabnik/rust-struggle"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/steveklabnik/rust-struggle'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/steveklabnik/rust-struggle" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/steveklabnik/rust-struggle"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/steveklabnik/rust-struggle'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 076d8a2a844a08cdeba75f9e44a4a05e1a5759bd
[INFO] sha for GitHub repo steveklabnik/rust-struggle: 076d8a2a844a08cdeba75f9e44a4a05e1a5759bd
[INFO] validating manifest of steveklabnik/rust-struggle on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of steveklabnik/rust-struggle on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing steveklabnik/rust-struggle
[INFO] finished frobbing steveklabnik/rust-struggle
[INFO] frobbed toml for steveklabnik/rust-struggle written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/steveklabnik/rust-struggle/Cargo.toml
[INFO] started frobbing steveklabnik/rust-struggle
[INFO] finished frobbing steveklabnik/rust-struggle
[INFO] frobbed toml for steveklabnik/rust-struggle written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/steveklabnik/rust-struggle/Cargo.toml
[INFO] crate steveklabnik/rust-struggle already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking steveklabnik/rust-struggle against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-4/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/steveklabnik/rust-struggle:/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" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b057b5564d2d600b15f079c7da198eaf0969dea3e358fe69598579fdef3def03
[INFO] running `"docker" "start" "-a" "b057b5564d2d600b15f079c7da198eaf0969dea3e358fe69598579fdef3def03"`
[INFO] [stderr]     Checking struggle v1.0.0-alpha (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Component`
[INFO] [stderr]  --> src/main.rs:2:34
[INFO] [stderr]   |
[INFO] [stderr] 2 | use components::{BasicComponent, Component};
[INFO] [stderr]   |                                  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Component`
[INFO] [stderr]  --> src/main.rs:2:34
[INFO] [stderr]   |
[INFO] [stderr] 2 | use components::{BasicComponent, Component};
[INFO] [stderr]   |                                  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `"docker" "inspect" "b057b5564d2d600b15f079c7da198eaf0969dea3e358fe69598579fdef3def03"`
[INFO] running `"docker" "rm" "-f" "b057b5564d2d600b15f079c7da198eaf0969dea3e358fe69598579fdef3def03"`
[INFO] [stdout] b057b5564d2d600b15f079c7da198eaf0969dea3e358fe69598579fdef3def03