[INFO] updating cached repository zmbush/regex-zh
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/zmbush/regex-zh
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/zmbush/regex-zh" "work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/zmbush/regex-zh"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/zmbush/regex-zh'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/zmbush/regex-zh" "work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/zmbush/regex-zh"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/zmbush/regex-zh'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fcbf9771ff4332ab58e6a3cacd27fd1321eca441
[INFO] sha for GitHub repo zmbush/regex-zh: fcbf9771ff4332ab58e6a3cacd27fd1321eca441
[INFO] validating manifest of zmbush/regex-zh on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of zmbush/regex-zh on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing zmbush/regex-zh
[INFO] finished frobbing zmbush/regex-zh
[INFO] frobbed toml for zmbush/regex-zh written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/zmbush/regex-zh/Cargo.toml
[INFO] started frobbing zmbush/regex-zh
[INFO] finished frobbing zmbush/regex-zh
[INFO] frobbed toml for zmbush/regex-zh written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/zmbush/regex-zh/Cargo.toml
[INFO] crate zmbush/regex-zh already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking zmbush/regex-zh against try#f45cc3094ee337acd688771b9234318046b0572d for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-7/try#f45cc3094ee337acd688771b9234318046b0572d:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/zmbush/regex-zh:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 009216b4551ff32ac514ba5d42eef1e01666cce27487701930296a30d8204036
[INFO] running `"docker" "start" "-a" "009216b4551ff32ac514ba5d42eef1e01666cce27487701930296a30d8204036"`
[INFO] [stderr]     Checking regex v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `RefMut`
[INFO] [stderr]  --> src/main.rs:3:26
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::cell::{RefCell, RefMut};
[INFO] [stderr]   |                          ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `RefMut`
[INFO] [stderr]  --> src/main.rs:3:26
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::cell::{RefCell, RefMut};
[INFO] [stderr]   |                          ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `drain` has been stable since 1.6.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(drain)]
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `drain` has been stable since 1.6.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(drain)]
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `"docker" "inspect" "009216b4551ff32ac514ba5d42eef1e01666cce27487701930296a30d8204036"`
[INFO] running `"docker" "rm" "-f" "009216b4551ff32ac514ba5d42eef1e01666cce27487701930296a30d8204036"`
[INFO] [stdout] 009216b4551ff32ac514ba5d42eef1e01666cce27487701930296a30d8204036