[INFO] updating cached repository tweakdeveloper/workup_rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tweakdeveloper/workup_rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tweakdeveloper/workup_rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/tweakdeveloper/workup_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tweakdeveloper/workup_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tweakdeveloper/workup_rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tweakdeveloper/workup_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tweakdeveloper/workup_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e1b4a47d80e216bf5b09f1e7315baab548ac776c
[INFO] sha for GitHub repo tweakdeveloper/workup_rust: e1b4a47d80e216bf5b09f1e7315baab548ac776c
[INFO] validating manifest of tweakdeveloper/workup_rust 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 tweakdeveloper/workup_rust 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 tweakdeveloper/workup_rust
[INFO] finished frobbing tweakdeveloper/workup_rust
[INFO] frobbed toml for tweakdeveloper/workup_rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/tweakdeveloper/workup_rust/Cargo.toml
[INFO] started frobbing tweakdeveloper/workup_rust
[INFO] finished frobbing tweakdeveloper/workup_rust
[INFO] frobbed toml for tweakdeveloper/workup_rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tweakdeveloper/workup_rust/Cargo.toml
[INFO] crate tweakdeveloper/workup_rust 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 tweakdeveloper/workup_rust against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tweakdeveloper/workup_rust:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] aef87800fcf6aae0fe222cff9f7b5a8184fdf8d12e7fcdcd225d14712148294d
[INFO] running `"docker" "start" "-a" "aef87800fcf6aae0fe222cff9f7b5a8184fdf8d12e7fcdcd225d14712148294d"`
[INFO] [stderr]    Compiling ncurses v5.94.0
[INFO] [stderr]    Compiling yaml-rust v0.4.2
[INFO] [stderr]    Compiling pancurses v0.16.0
[INFO] [stderr]    Compiling workup v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `mtow`
[INFO] [stderr]   --> src/main.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let mtow = weights_doc["mtow"].as_i64().expect("invalid mtow!");
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_mtow`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mlw`
[INFO] [stderr]   --> src/main.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mlw = weights_doc["mlw"].as_i64().expect("invalid mlw!");
[INFO] [stderr]    |         ^^^ help: consider prefixing with an underscore: `_mlw`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mzfw`
[INFO] [stderr]   --> src/main.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let mzfw = weights_doc["mzfw"].as_i64().expect("invalid mzfw!");
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_mzfw`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mrmp`
[INFO] [stderr]   --> src/main.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let mrmp = weights_doc["mrmp"].as_i64().expect("invalid mrmp!");
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_mrmp`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bow`
[INFO] [stderr]   --> src/main.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let bow = weights_doc["bow"].as_i64().expect("invalid bow!");
[INFO] [stderr]    |         ^^^ help: consider prefixing with an underscore: `_bow`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.06s
[INFO] running `"docker" "inspect" "aef87800fcf6aae0fe222cff9f7b5a8184fdf8d12e7fcdcd225d14712148294d"`
[INFO] running `"docker" "rm" "-f" "aef87800fcf6aae0fe222cff9f7b5a8184fdf8d12e7fcdcd225d14712148294d"`
[INFO] [stdout] aef87800fcf6aae0fe222cff9f7b5a8184fdf8d12e7fcdcd225d14712148294d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tweakdeveloper/workup_rust:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3393ec1f704721b441544253a375fcd5ef6886e842aa6793fdc8952fcaa42cb4
[INFO] running `"docker" "start" "-a" "3393ec1f704721b441544253a375fcd5ef6886e842aa6793fdc8952fcaa42cb4"`
[INFO] [stderr]    Compiling workup v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `mtow`
[INFO] [stderr]   --> src/main.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let mtow = weights_doc["mtow"].as_i64().expect("invalid mtow!");
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_mtow`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mlw`
[INFO] [stderr]   --> src/main.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mlw = weights_doc["mlw"].as_i64().expect("invalid mlw!");
[INFO] [stderr]    |         ^^^ help: consider prefixing with an underscore: `_mlw`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mzfw`
[INFO] [stderr]   --> src/main.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let mzfw = weights_doc["mzfw"].as_i64().expect("invalid mzfw!");
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_mzfw`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mrmp`
[INFO] [stderr]   --> src/main.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let mrmp = weights_doc["mrmp"].as_i64().expect("invalid mrmp!");
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_mrmp`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bow`
[INFO] [stderr]   --> src/main.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let bow = weights_doc["bow"].as_i64().expect("invalid bow!");
[INFO] [stderr]    |         ^^^ help: consider prefixing with an underscore: `_bow`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "3393ec1f704721b441544253a375fcd5ef6886e842aa6793fdc8952fcaa42cb4"`
[INFO] running `"docker" "rm" "-f" "3393ec1f704721b441544253a375fcd5ef6886e842aa6793fdc8952fcaa42cb4"`
[INFO] [stdout] 3393ec1f704721b441544253a375fcd5ef6886e842aa6793fdc8952fcaa42cb4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tweakdeveloper/workup_rust:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 2d743ac6c03830dc3c87808ca5638483a24634b25313ecb6585d602a18bb95e0
[INFO] running `"docker" "start" "-a" "2d743ac6c03830dc3c87808ca5638483a24634b25313ecb6585d602a18bb95e0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/workup-d09970d22c1543b1
[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" "2d743ac6c03830dc3c87808ca5638483a24634b25313ecb6585d602a18bb95e0"`
[INFO] running `"docker" "rm" "-f" "2d743ac6c03830dc3c87808ca5638483a24634b25313ecb6585d602a18bb95e0"`
[INFO] [stdout] 2d743ac6c03830dc3c87808ca5638483a24634b25313ecb6585d602a18bb95e0