[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/beta-1.37-6/sources/1.36.0/gh/winks/cerith"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/winks/cerith'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/winks/cerith" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/winks/cerith"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 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 winks/cerith 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 winks/cerith
[INFO] finished frobbing winks/cerith
[INFO] frobbed toml for winks/cerith written to work/ex/beta-1.37-6/sources/1.36.0/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/beta-1.37-6/sources/beta-2019-07-23/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" "+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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing winks/cerith against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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=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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 45bcb4b9dc0b06456a64a5e535e195d092a28620003de3b106b25f0456aab2aa
[INFO] running `"docker" "start" "-a" "45bcb4b9dc0b06456a64a5e535e195d092a28620003de3b106b25f0456aab2aa"`
[INFO] [stderr]    Compiling regex-syntax v0.4.0
[INFO] [stderr]    Compiling serde v0.9.7
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling thread-id v3.0.0
[INFO] [stderr]    Compiling time v0.1.36
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling thread_local v0.3.2
[INFO] [stderr]    Compiling aho-corasick v0.6.2
[INFO] [stderr]    Compiling regex v0.2.1
[INFO] [stderr]    Compiling toml v0.3.0
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 30.52s
[INFO] running `"docker" "inspect" "45bcb4b9dc0b06456a64a5e535e195d092a28620003de3b106b25f0456aab2aa"`
[INFO] running `"docker" "rm" "-f" "45bcb4b9dc0b06456a64a5e535e195d092a28620003de3b106b25f0456aab2aa"`
[INFO] [stdout] 45bcb4b9dc0b06456a64a5e535e195d092a28620003de3b106b25f0456aab2aa
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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=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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] ce7561838005fd4276f32df787083981c7cab4bbc6169b68ddbe60a44a381a60
[INFO] running `"docker" "start" "-a" "ce7561838005fd4276f32df787083981c7cab4bbc6169b68ddbe60a44a381a60"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `"docker" "inspect" "ce7561838005fd4276f32df787083981c7cab4bbc6169b68ddbe60a44a381a60"`
[INFO] running `"docker" "rm" "-f" "ce7561838005fd4276f32df787083981c7cab4bbc6169b68ddbe60a44a381a60"`
[INFO] [stdout] ce7561838005fd4276f32df787083981c7cab4bbc6169b68ddbe60a44a381a60
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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=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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 64c32185f78247aadce9546c52dba9e31a974a3d52b6216038d08dccf19d1982
[INFO] running `"docker" "start" "-a" "64c32185f78247aadce9546c52dba9e31a974a3d52b6216038d08dccf19d1982"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cerith-0c1f92628fc3f87d
[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] [stderr]      Running /opt/crater/target/debug/deps/cerith-d588a3519e954f03
[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] [stderr]    Doc-tests cerith
[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" "64c32185f78247aadce9546c52dba9e31a974a3d52b6216038d08dccf19d1982"`
[INFO] running `"docker" "rm" "-f" "64c32185f78247aadce9546c52dba9e31a974a3d52b6216038d08dccf19d1982"`
[INFO] [stdout] 64c32185f78247aadce9546c52dba9e31a974a3d52b6216038d08dccf19d1982