[INFO] updating cached repository noahrinehart/mangsh
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/noahrinehart/mangsh
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/noahrinehart/mangsh" "work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/noahrinehart/mangsh"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/noahrinehart/mangsh'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/noahrinehart/mangsh" "work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/noahrinehart/mangsh"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/noahrinehart/mangsh'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8acfe5e1e7c10f477f67f55c3af74593aa1e7fee
[INFO] sha for GitHub repo noahrinehart/mangsh: 8acfe5e1e7c10f477f67f55c3af74593aa1e7fee
[INFO] validating manifest of noahrinehart/mangsh on toolchain master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of noahrinehart/mangsh on toolchain try#29640c57b5f92febba0e40c50cb863c9a7ede51d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing noahrinehart/mangsh
[INFO] finished frobbing noahrinehart/mangsh
[INFO] frobbed toml for noahrinehart/mangsh written to work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/noahrinehart/mangsh/Cargo.toml
[INFO] started frobbing noahrinehart/mangsh
[INFO] finished frobbing noahrinehart/mangsh
[INFO] frobbed toml for noahrinehart/mangsh written to work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/noahrinehart/mangsh/Cargo.toml
[INFO] crate noahrinehart/mangsh has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking noahrinehart/mangsh against try#29640c57b5f92febba0e40c50cb863c9a7ede51d for pr-57745
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57745/worker-4/try#29640c57b5f92febba0e40c50cb863c9a7ede51d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/noahrinehart/mangsh:/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" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 25ac56a2ac2c3ff523e39e313813c73860cbd3b4c760e841a0c9784ce8e0cecd
[INFO] running `"docker" "start" "-a" "25ac56a2ac2c3ff523e39e313813c73860cbd3b4c760e841a0c9784ce8e0cecd"`
[INFO] [stderr]     Checking bitflags v1.0.2
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking nix v0.10.0
[INFO] [stderr]     Checking rustyline v1.0.0
[INFO] [stderr]     Checking mangsh v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `child`
[INFO] [stderr]   --> src/parser.rs:30:33
[INFO] [stderr]    |
[INFO] [stderr] 30 |         Ok(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/parser.rs:30:33
[INFO] [stderr]    |
[INFO] [stderr] 30 |         Ok(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 9.36s
[INFO] running `"docker" "inspect" "25ac56a2ac2c3ff523e39e313813c73860cbd3b4c760e841a0c9784ce8e0cecd"`
[INFO] running `"docker" "rm" "-f" "25ac56a2ac2c3ff523e39e313813c73860cbd3b4c760e841a0c9784ce8e0cecd"`
[INFO] [stdout] 25ac56a2ac2c3ff523e39e313813c73860cbd3b4c760e841a0c9784ce8e0cecd