[INFO] updating cached repository kayellpeee/bear_metal
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kayellpeee/bear_metal
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kayellpeee/bear_metal" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/kayellpeee/bear_metal"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/kayellpeee/bear_metal'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kayellpeee/bear_metal" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/kayellpeee/bear_metal"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/kayellpeee/bear_metal'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4de0503701e37fcd8b822fe9cada977e626cc489
[INFO] sha for GitHub repo kayellpeee/bear_metal: 4de0503701e37fcd8b822fe9cada977e626cc489
[INFO] validating manifest of kayellpeee/bear_metal 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 kayellpeee/bear_metal 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 kayellpeee/bear_metal
[INFO] finished frobbing kayellpeee/bear_metal
[INFO] frobbed toml for kayellpeee/bear_metal written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/kayellpeee/bear_metal/Cargo.toml
[INFO] started frobbing kayellpeee/bear_metal
[INFO] finished frobbing kayellpeee/bear_metal
[INFO] frobbed toml for kayellpeee/bear_metal written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/kayellpeee/bear_metal/Cargo.toml
[INFO] crate kayellpeee/bear_metal already has a lockfile, it will not be regenerated
[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] checking kayellpeee/bear_metal against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-2/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/kayellpeee/bear_metal:/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] 214063b1516d601e2957348c411a4801e36706442f58b18ee11c363b70eb4e67
[INFO] running `"docker" "start" "-a" "214063b1516d601e2957348c411a4801e36706442f58b18ee11c363b70eb4e67"`
[INFO] [stderr]     Checking bear_metal v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `core` has been stable since 1.6.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:2:19
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(start, core)]
[INFO] [stderr]   |                   ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `core` has been stable since 1.6.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:2:19
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(start, core)]
[INFO] [stderr]   |                   ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "214063b1516d601e2957348c411a4801e36706442f58b18ee11c363b70eb4e67"`
[INFO] running `"docker" "rm" "-f" "214063b1516d601e2957348c411a4801e36706442f58b18ee11c363b70eb4e67"`
[INFO] [stdout] 214063b1516d601e2957348c411a4801e36706442f58b18ee11c363b70eb4e67