[INFO] updating cached repository sipubot/rhetoric
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sipubot/rhetoric
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sipubot/rhetoric" "work/ex/beta-1.37-6/sources/1.36.0/gh/sipubot/rhetoric"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/sipubot/rhetoric'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sipubot/rhetoric" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sipubot/rhetoric"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sipubot/rhetoric'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bd95cc1cd5fbe68022c3c99442eac4222024782d
[INFO] sha for GitHub repo sipubot/rhetoric: bd95cc1cd5fbe68022c3c99442eac4222024782d
[INFO] validating manifest of sipubot/rhetoric 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 sipubot/rhetoric 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 sipubot/rhetoric
[INFO] finished frobbing sipubot/rhetoric
[INFO] frobbed toml for sipubot/rhetoric written to work/ex/beta-1.37-6/sources/1.36.0/gh/sipubot/rhetoric/Cargo.toml
[INFO] started frobbing sipubot/rhetoric
[INFO] finished frobbing sipubot/rhetoric
[INFO] frobbed toml for sipubot/rhetoric written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sipubot/rhetoric/Cargo.toml
[INFO] crate sipubot/rhetoric 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 sipubot/rhetoric 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-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/sipubot/rhetoric:/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] 296bdbf3c4b5879893c9247e383411f3a5212314e198edbb29202ca0766a99d0
[INFO] running `"docker" "start" "-a" "296bdbf3c4b5879893c9247e383411f3a5212314e198edbb29202ca0766a99d0"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]    Compiling TextMiner v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `loadfile`
[INFO] [stderr]  --> src/main.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 |             let loadfile = &args[1];
[INFO] [stderr]   |                 ^^^^^^^^ help: consider prefixing with an underscore: `_loadfile`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `savefile`
[INFO] [stderr]  --> src/main.rs:9:17
[INFO] [stderr]   |
[INFO] [stderr] 9 |             let savefile = &args[2];
[INFO] [stderr]   |                 ^^^^^^^^ help: consider prefixing with an underscore: `_savefile`
[INFO] [stderr] 
[INFO] [stderr] warning: crate `TextMiner` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `text_miner`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "296bdbf3c4b5879893c9247e383411f3a5212314e198edbb29202ca0766a99d0"`
[INFO] running `"docker" "rm" "-f" "296bdbf3c4b5879893c9247e383411f3a5212314e198edbb29202ca0766a99d0"`
[INFO] [stdout] 296bdbf3c4b5879893c9247e383411f3a5212314e198edbb29202ca0766a99d0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/sipubot/rhetoric:/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] ecb85d814c5290da8385011527dbe24dc7cb762137802211a5ad2f2b37af19ae
[INFO] running `"docker" "start" "-a" "ecb85d814c5290da8385011527dbe24dc7cb762137802211a5ad2f2b37af19ae"`
[INFO] [stderr]    Compiling TextMiner v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `loadfile`
[INFO] [stderr]  --> src/main.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 |             let loadfile = &args[1];
[INFO] [stderr]   |                 ^^^^^^^^ help: consider prefixing with an underscore: `_loadfile`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `savefile`
[INFO] [stderr]  --> src/main.rs:9:17
[INFO] [stderr]   |
[INFO] [stderr] 9 |             let savefile = &args[2];
[INFO] [stderr]   |                 ^^^^^^^^ help: consider prefixing with an underscore: `_savefile`
[INFO] [stderr] 
[INFO] [stderr] warning: crate `TextMiner` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `text_miner`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "ecb85d814c5290da8385011527dbe24dc7cb762137802211a5ad2f2b37af19ae"`
[INFO] running `"docker" "rm" "-f" "ecb85d814c5290da8385011527dbe24dc7cb762137802211a5ad2f2b37af19ae"`
[INFO] [stdout] ecb85d814c5290da8385011527dbe24dc7cb762137802211a5ad2f2b37af19ae
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/sipubot/rhetoric:/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] a0e7e31b35bf6f1491d8ddcf308405668a3559565ce07e4fb10bcbd227908e4e
[INFO] running `"docker" "start" "-a" "a0e7e31b35bf6f1491d8ddcf308405668a3559565ce07e4fb10bcbd227908e4e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/TextMiner-bee8a7aa17067889
[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" "a0e7e31b35bf6f1491d8ddcf308405668a3559565ce07e4fb10bcbd227908e4e"`
[INFO] running `"docker" "rm" "-f" "a0e7e31b35bf6f1491d8ddcf308405668a3559565ce07e4fb10bcbd227908e4e"`
[INFO] [stdout] a0e7e31b35bf6f1491d8ddcf308405668a3559565ce07e4fb10bcbd227908e4e