[INFO] updating cached repository mkilgore/rshell
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mkilgore/rshell
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mkilgore/rshell" "work/ex/beta-1.37-6/sources/1.36.0/gh/mkilgore/rshell"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/mkilgore/rshell'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mkilgore/rshell" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mkilgore/rshell"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mkilgore/rshell'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4553cf1c2ecfc193a1fcbdf1044f5e9a6e54d131
[INFO] sha for GitHub repo mkilgore/rshell: 4553cf1c2ecfc193a1fcbdf1044f5e9a6e54d131
[INFO] validating manifest of mkilgore/rshell on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mkilgore/rshell on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mkilgore/rshell
[INFO] finished frobbing mkilgore/rshell
[INFO] frobbed toml for mkilgore/rshell written to work/ex/beta-1.37-6/sources/1.36.0/gh/mkilgore/rshell/Cargo.toml
[INFO] started frobbing mkilgore/rshell
[INFO] finished frobbing mkilgore/rshell
[INFO] frobbed toml for mkilgore/rshell written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mkilgore/rshell/Cargo.toml
[INFO] crate mkilgore/rshell already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mkilgore/rshell against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mkilgore/rshell:/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 32c98d8a85a8048eca5dfe8638122e048e78547bcd8982c6f34f57529935b293
[INFO] running `"docker" "start" "-a" "32c98d8a85a8048eca5dfe8638122e048e78547bcd8982c6f34f57529935b293"`
[INFO] [stderr]    Compiling rshell v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/job_list.rs:38:44
[INFO] [stderr]    |
[INFO] [stderr] 38 |         self.list.push(Arc::new(Mutex::new((job))));
[INFO] [stderr]    |                                            ^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/job.rs:80:22
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn parse_job(mut lex: &mut InputLexer) -> Option<Job> {
[INFO] [stderr]    |                      ----^^^
[INFO] [stderr]    |                      |
[INFO] [stderr]    |                      help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `"docker" "inspect" "32c98d8a85a8048eca5dfe8638122e048e78547bcd8982c6f34f57529935b293"`
[INFO] running `"docker" "rm" "-f" "32c98d8a85a8048eca5dfe8638122e048e78547bcd8982c6f34f57529935b293"`
[INFO] [stdout] 32c98d8a85a8048eca5dfe8638122e048e78547bcd8982c6f34f57529935b293
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mkilgore/rshell:/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 745cad4e7a48d8c9a687ab2df78c415825d913f07979065ee33fc6f9eba68f2c
[INFO] running `"docker" "start" "-a" "745cad4e7a48d8c9a687ab2df78c415825d913f07979065ee33fc6f9eba68f2c"`
[INFO] [stderr]    Compiling rshell v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/job_list.rs:38:44
[INFO] [stderr]    |
[INFO] [stderr] 38 |         self.list.push(Arc::new(Mutex::new((job))));
[INFO] [stderr]    |                                            ^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/job.rs:80:22
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn parse_job(mut lex: &mut InputLexer) -> Option<Job> {
[INFO] [stderr]    |                      ----^^^
[INFO] [stderr]    |                      |
[INFO] [stderr]    |                      help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "745cad4e7a48d8c9a687ab2df78c415825d913f07979065ee33fc6f9eba68f2c"`
[INFO] running `"docker" "rm" "-f" "745cad4e7a48d8c9a687ab2df78c415825d913f07979065ee33fc6f9eba68f2c"`
[INFO] [stdout] 745cad4e7a48d8c9a687ab2df78c415825d913f07979065ee33fc6f9eba68f2c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mkilgore/rshell:/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=warn" "-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] d95903dcc515bf1dd0d80f2ec907ce18de726c3548dd34478ca96ebadb6bec39
[INFO] running `"docker" "start" "-a" "d95903dcc515bf1dd0d80f2ec907ce18de726c3548dd34478ca96ebadb6bec39"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rshell-e65ca63bf7a90ae2
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d95903dcc515bf1dd0d80f2ec907ce18de726c3548dd34478ca96ebadb6bec39"`
[INFO] running `"docker" "rm" "-f" "d95903dcc515bf1dd0d80f2ec907ce18de726c3548dd34478ca96ebadb6bec39"`
[INFO] [stdout] d95903dcc515bf1dd0d80f2ec907ce18de726c3548dd34478ca96ebadb6bec39