[INFO] updating cached repository winks/cerith
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/winks/cerith
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/winks/cerith" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/winks/cerith"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/winks/cerith'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/winks/cerith" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/winks/cerith"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/winks/cerith'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 968a81490569771933132bf123e769efc654bb5a
[INFO] sha for GitHub repo winks/cerith: 968a81490569771933132bf123e769efc654bb5a
[INFO] validating manifest of winks/cerith 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 winks/cerith 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 winks/cerith
[INFO] finished frobbing winks/cerith
[INFO] frobbed toml for winks/cerith written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/winks/cerith/Cargo.toml
[INFO] started frobbing winks/cerith
[INFO] finished frobbing winks/cerith
[INFO] frobbed toml for winks/cerith written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/winks/cerith/Cargo.toml
[INFO] crate winks/cerith 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking winks/cerith against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-4/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/winks/cerith:/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] 7888ccfc6040a5d48a4f271174acbd0cfc6bb2a192cdd9a8a8638366a5b23f46
[INFO] running `"docker" "start" "-a" "7888ccfc6040a5d48a4f271174acbd0cfc6bb2a192cdd9a8a8638366a5b23f46"`
[INFO] [stderr]     Checking serde v0.9.7
[INFO] [stderr]     Checking thread-id v3.0.0
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking time v0.1.36
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking thread_local v0.3.2
[INFO] [stderr]     Checking aho-corasick v0.6.2
[INFO] [stderr]     Checking regex v0.2.1
[INFO] [stderr]     Checking toml v0.3.0
[INFO] [stderr]     Checking cerith v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `quit_msg` is never read
[INFO] [stderr]    --> src/cerith.rs:212:17
[INFO] [stderr]     |
[INFO] [stderr] 212 |         let mut quit_msg = MSG_QUIT.to_string();
[INFO] [stderr]     |                 ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `quit_msg` is never read
[INFO] [stderr]    --> src/cerith.rs:212:17
[INFO] [stderr]     |
[INFO] [stderr] 212 |         let mut quit_msg = MSG_QUIT.to_string();
[INFO] [stderr]     |                 ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.28s
[INFO] running `"docker" "inspect" "7888ccfc6040a5d48a4f271174acbd0cfc6bb2a192cdd9a8a8638366a5b23f46"`
[INFO] running `"docker" "rm" "-f" "7888ccfc6040a5d48a4f271174acbd0cfc6bb2a192cdd9a8a8638366a5b23f46"`
[INFO] [stdout] 7888ccfc6040a5d48a4f271174acbd0cfc6bb2a192cdd9a8a8638366a5b23f46