[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-1.38-1/sources/1.37.0/gh/sipubot/rhetoric"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/sipubot/rhetoric'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sipubot/rhetoric" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sipubot/rhetoric"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sipubot/rhetoric on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing sipubot/rhetoric against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 80ed662d81a6cc3671b518f6b10d08c85ade46841182c54034ccf7de951ef7f9
[INFO] running `"docker" "start" "-a" "80ed662d81a6cc3671b518f6b10d08c85ade46841182c54034ccf7de951ef7f9"`
[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 0.78s
[INFO] running `"docker" "inspect" "80ed662d81a6cc3671b518f6b10d08c85ade46841182c54034ccf7de951ef7f9"`
[INFO] running `"docker" "rm" "-f" "80ed662d81a6cc3671b518f6b10d08c85ade46841182c54034ccf7de951ef7f9"`
[INFO] [stdout] 80ed662d81a6cc3671b518f6b10d08c85ade46841182c54034ccf7de951ef7f9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8f894a6d8b323018a3fb418c51c6edf48bb9d42eb327e0a02306bc579c8e0f86
[INFO] running `"docker" "start" "-a" "8f894a6d8b323018a3fb418c51c6edf48bb9d42eb327e0a02306bc579c8e0f86"`
[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" "8f894a6d8b323018a3fb418c51c6edf48bb9d42eb327e0a02306bc579c8e0f86"`
[INFO] running `"docker" "rm" "-f" "8f894a6d8b323018a3fb418c51c6edf48bb9d42eb327e0a02306bc579c8e0f86"`
[INFO] [stdout] 8f894a6d8b323018a3fb418c51c6edf48bb9d42eb327e0a02306bc579c8e0f86
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 6faecd203e1e908b1bde3416cc188589fe8e1be312b65c928741afd9bba78c8b
[INFO] running `"docker" "start" "-a" "6faecd203e1e908b1bde3416cc188589fe8e1be312b65c928741afd9bba78c8b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/TextMiner-1a55e2560679808a
[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" "6faecd203e1e908b1bde3416cc188589fe8e1be312b65c928741afd9bba78c8b"`
[INFO] running `"docker" "rm" "-f" "6faecd203e1e908b1bde3416cc188589fe8e1be312b65c928741afd9bba78c8b"`
[INFO] [stdout] 6faecd203e1e908b1bde3416cc188589fe8e1be312b65c928741afd9bba78c8b