[INFO] updating cached repository Recognition2/brainyuck-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Recognition2/brainyuck-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Recognition2/brainyuck-rust" "work/ex/beta-1.37-6/sources/1.36.0/gh/Recognition2/brainyuck-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Recognition2/brainyuck-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Recognition2/brainyuck-rust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Recognition2/brainyuck-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Recognition2/brainyuck-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ef51dcb29ab719f2dfca2a80d9c9a07409dfd8c0
[INFO] sha for GitHub repo Recognition2/brainyuck-rust: ef51dcb29ab719f2dfca2a80d9c9a07409dfd8c0
[INFO] validating manifest of Recognition2/brainyuck-rust 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 Recognition2/brainyuck-rust 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 Recognition2/brainyuck-rust
[INFO] finished frobbing Recognition2/brainyuck-rust
[INFO] frobbed toml for Recognition2/brainyuck-rust written to work/ex/beta-1.37-6/sources/1.36.0/gh/Recognition2/brainyuck-rust/Cargo.toml
[INFO] started frobbing Recognition2/brainyuck-rust
[INFO] finished frobbing Recognition2/brainyuck-rust
[INFO] frobbed toml for Recognition2/brainyuck-rust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Recognition2/brainyuck-rust/Cargo.toml
[INFO] crate Recognition2/brainyuck-rust 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 Recognition2/brainyuck-rust 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-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Recognition2/brainyuck-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 4c46ad03d54f548892bd3820e3d56f5638301ca97c9a12d65603cb2968a2bc25
[INFO] running `"docker" "start" "-a" "4c46ad03d54f548892bd3820e3d56f5638301ca97c9a12d65603cb2968a2bc25"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]    Compiling clap v2.29.0
[INFO] [stderr]    Compiling tescht v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable `comma` is assigned to, but never used
[INFO] [stderr]   --> src/main.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut comma = 0;
[INFO] [stderr]    |             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr]    = note: consider using `_comma` instead
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.90s
[INFO] running `"docker" "inspect" "4c46ad03d54f548892bd3820e3d56f5638301ca97c9a12d65603cb2968a2bc25"`
[INFO] running `"docker" "rm" "-f" "4c46ad03d54f548892bd3820e3d56f5638301ca97c9a12d65603cb2968a2bc25"`
[INFO] [stdout] 4c46ad03d54f548892bd3820e3d56f5638301ca97c9a12d65603cb2968a2bc25
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Recognition2/brainyuck-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 928fcc366edf7ee711925526f2349d8a48a31e055c63bdc290574b5c0c2fff09
[INFO] running `"docker" "start" "-a" "928fcc366edf7ee711925526f2349d8a48a31e055c63bdc290574b5c0c2fff09"`
[INFO] [stderr]    Compiling tescht v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable `comma` is assigned to, but never used
[INFO] [stderr]   --> src/main.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut comma = 0;
[INFO] [stderr]    |             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr]    = note: consider using `_comma` instead
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "928fcc366edf7ee711925526f2349d8a48a31e055c63bdc290574b5c0c2fff09"`
[INFO] running `"docker" "rm" "-f" "928fcc366edf7ee711925526f2349d8a48a31e055c63bdc290574b5c0c2fff09"`
[INFO] [stdout] 928fcc366edf7ee711925526f2349d8a48a31e055c63bdc290574b5c0c2fff09
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Recognition2/brainyuck-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 463f5724389e6bf8de09c7b3d4a003a2b6582d150170f28fc0326703c39413d8
[INFO] running `"docker" "start" "-a" "463f5724389e6bf8de09c7b3d4a003a2b6582d150170f28fc0326703c39413d8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tescht-2f87c3a038955cb8
[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" "463f5724389e6bf8de09c7b3d4a003a2b6582d150170f28fc0326703c39413d8"`
[INFO] running `"docker" "rm" "-f" "463f5724389e6bf8de09c7b3d4a003a2b6582d150170f28fc0326703c39413d8"`
[INFO] [stdout] 463f5724389e6bf8de09c7b3d4a003a2b6582d150170f28fc0326703c39413d8