[INFO] updating cached repository CircuitCoder/stammer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/CircuitCoder/stammer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/CircuitCoder/stammer" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/CircuitCoder/stammer"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/CircuitCoder/stammer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/CircuitCoder/stammer" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/CircuitCoder/stammer"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/CircuitCoder/stammer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d3a1d5dc7ad3e2cc6aa56b6c2bf524a62bd488ed
[INFO] sha for GitHub repo CircuitCoder/stammer: d3a1d5dc7ad3e2cc6aa56b6c2bf524a62bd488ed
[INFO] validating manifest of CircuitCoder/stammer on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of CircuitCoder/stammer on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing CircuitCoder/stammer
[INFO] disabled cargo feature 'default-run' from CircuitCoder/stammer
[INFO] finished frobbing CircuitCoder/stammer
[INFO] frobbed toml for CircuitCoder/stammer written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/CircuitCoder/stammer/Cargo.toml
[INFO] started frobbing CircuitCoder/stammer
[INFO] disabled cargo feature 'default-run' from CircuitCoder/stammer
[INFO] finished frobbing CircuitCoder/stammer
[INFO] frobbed toml for CircuitCoder/stammer written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/CircuitCoder/stammer/Cargo.toml
[INFO] crate CircuitCoder/stammer already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking CircuitCoder/stammer against try#18481b65f318e0b4b20c0fc61340054701719d6c for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-3/try#18481b65f318e0b4b20c0fc61340054701719d6c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/CircuitCoder/stammer:/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" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5cb9d8274a7642930c767a4bc7f9a91d22e53bc027eae09913518291addcdb7a
[INFO] running `"docker" "start" "-a" "5cb9d8274a7642930c767a4bc7f9a91d22e53bc027eae09913518291addcdb7a"`
[INFO] [stderr]    Compiling syn v0.15.31
[INFO] [stderr]     Checking pinyin v0.5.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling jieba-rs v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking structopt v0.2.15
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking serde v1.0.90
[INFO] [stderr]     Checking hashbrown v0.2.1
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking stammer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `serde::Deserialize`
[INFO] [stderr]  --> src/bin/trainer.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use serde::Deserialize;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde::Deserialize`
[INFO] [stderr]  --> src/bin/trainer.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use serde::Deserialize;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.40s
[INFO] running `"docker" "inspect" "5cb9d8274a7642930c767a4bc7f9a91d22e53bc027eae09913518291addcdb7a"`
[INFO] running `"docker" "rm" "-f" "5cb9d8274a7642930c767a4bc7f9a91d22e53bc027eae09913518291addcdb7a"`
[INFO] [stdout] 5cb9d8274a7642930c767a4bc7f9a91d22e53bc027eae09913518291addcdb7a