[INFO] updating cached repository hhatto/wwup-in-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hhatto/wwup-in-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hhatto/wwup-in-rust" "work/ex/pr-57609/sources/master#03acbd71c977cd63ce5f39ba9b6fe9ffd578785a/gh/hhatto/wwup-in-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-57609/sources/master#03acbd71c977cd63ce5f39ba9b6fe9ffd578785a/gh/hhatto/wwup-in-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hhatto/wwup-in-rust" "work/ex/pr-57609/sources/try#26f8d250bb3c8a85e812cf663c730ef9e0df9315/gh/hhatto/wwup-in-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-57609/sources/try#26f8d250bb3c8a85e812cf663c730ef9e0df9315/gh/hhatto/wwup-in-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7ef78053e5a0447048fafc7824dd7adb64c60c12
[INFO] sha for GitHub repo hhatto/wwup-in-rust: 7ef78053e5a0447048fafc7824dd7adb64c60c12
[INFO] validating manifest of hhatto/wwup-in-rust on toolchain master#03acbd71c977cd63ce5f39ba9b6fe9ffd578785a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+03acbd71c977cd63ce5f39ba9b6fe9ffd578785a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hhatto/wwup-in-rust on toolchain try#26f8d250bb3c8a85e812cf663c730ef9e0df9315
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+26f8d250bb3c8a85e812cf663c730ef9e0df9315-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing hhatto/wwup-in-rust
[INFO] finished frobbing hhatto/wwup-in-rust
[INFO] frobbed toml for hhatto/wwup-in-rust written to work/ex/pr-57609/sources/master#03acbd71c977cd63ce5f39ba9b6fe9ffd578785a/gh/hhatto/wwup-in-rust/Cargo.toml
[INFO] started frobbing hhatto/wwup-in-rust
[INFO] finished frobbing hhatto/wwup-in-rust
[INFO] frobbed toml for hhatto/wwup-in-rust written to work/ex/pr-57609/sources/try#26f8d250bb3c8a85e812cf663c730ef9e0df9315/gh/hhatto/wwup-in-rust/Cargo.toml
[INFO] crate hhatto/wwup-in-rust has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+03acbd71c977cd63ce5f39ba9b6fe9ffd578785a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+26f8d250bb3c8a85e812cf663c730ef9e0df9315-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking hhatto/wwup-in-rust against master#03acbd71c977cd63ce5f39ba9b6fe9ffd578785a for pr-57609
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57609/worker-0/master#03acbd71c977cd63ce5f39ba9b6fe9ffd578785a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57609/sources/master#03acbd71c977cd63ce5f39ba9b6fe9ffd578785a/gh/hhatto/wwup-in-rust:/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" "+03acbd71c977cd63ce5f39ba9b6fe9ffd578785a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 901139e7f0834699c4f3d74b35f104cc617b6c70849201a3fc07be59b531603c
[INFO] running `"docker" "start" "-a" "901139e7f0834699c4f3d74b35f104cc617b6c70849201a3fc07be59b531603c"`
[INFO] [stderr]     Checking nix v0.8.1
[INFO] [stderr]     Checking chan-signal v0.2.0
[INFO] [stderr]     Checking nix v0.7.0
[INFO] [stderr]     Checking prctl v1.0.0
[INFO] [stderr]     Checking wwup v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `child`
[INFO] [stderr]   --> src/12_orphaned_processes.rs:11:38
[INFO] [stderr]    |
[INFO] [stderr] 11 |         unistd::ForkResult::Parent { child } => {
[INFO] [stderr]    |                                      ^^^^^ help: try ignoring the field: `child: _`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `child`
[INFO] [stderr]   --> src/12_orphaned_processes.rs:11:38
[INFO] [stderr]    |
[INFO] [stderr] 11 |         unistd::ForkResult::Parent { child } => {
[INFO] [stderr]    |                                      ^^^^^ help: try ignoring the field: `child: _`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.64s
[INFO] running `"docker" "inspect" "901139e7f0834699c4f3d74b35f104cc617b6c70849201a3fc07be59b531603c"`
[INFO] running `"docker" "rm" "-f" "901139e7f0834699c4f3d74b35f104cc617b6c70849201a3fc07be59b531603c"`
[INFO] [stdout] 901139e7f0834699c4f3d74b35f104cc617b6c70849201a3fc07be59b531603c