[INFO] updating cached repository DorianListens/Rurals-just-want-to-have-puns
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/DorianListens/Rurals-just-want-to-have-puns
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/DorianListens/Rurals-just-want-to-have-puns" "work/ex/beta-1.38-1/sources/1.37.0/gh/DorianListens/Rurals-just-want-to-have-puns"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/DorianListens/Rurals-just-want-to-have-puns'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/DorianListens/Rurals-just-want-to-have-puns" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/DorianListens/Rurals-just-want-to-have-puns"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/DorianListens/Rurals-just-want-to-have-puns'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 59b7937041dafbdac6ef17c55c42a281b2b75f49
[INFO] sha for GitHub repo DorianListens/Rurals-just-want-to-have-puns: 59b7937041dafbdac6ef17c55c42a281b2b75f49
[INFO] validating manifest of DorianListens/Rurals-just-want-to-have-puns 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 DorianListens/Rurals-just-want-to-have-puns 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 DorianListens/Rurals-just-want-to-have-puns
[INFO] finished frobbing DorianListens/Rurals-just-want-to-have-puns
[INFO] frobbed toml for DorianListens/Rurals-just-want-to-have-puns written to work/ex/beta-1.38-1/sources/1.37.0/gh/DorianListens/Rurals-just-want-to-have-puns/Cargo.toml
[INFO] started frobbing DorianListens/Rurals-just-want-to-have-puns
[INFO] finished frobbing DorianListens/Rurals-just-want-to-have-puns
[INFO] frobbed toml for DorianListens/Rurals-just-want-to-have-puns written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/DorianListens/Rurals-just-want-to-have-puns/Cargo.toml
[INFO] crate DorianListens/Rurals-just-want-to-have-puns 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/DorianListens/Rurals-just-want-to-have-puns/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 DorianListens/Rurals-just-want-to-have-puns 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-2/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/DorianListens/Rurals-just-want-to-have-puns:/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] c9124980830eadddeb3e1fb7bb186fcb224e112c110655bef2835f4d4874dee5
[INFO] running `"docker" "start" "-a" "c9124980830eadddeb3e1fb7bb186fcb224e112c110655bef2835f4d4874dee5"`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling openssl-sys v0.7.17
[INFO] [stderr]    Compiling curl-sys v0.1.35
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling curl v0.2.19
[INFO] [stderr]    Compiling puns v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]   --> src/main.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |     let result = file.read_to_string(&mut s);
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_result`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 51s
[INFO] running `"docker" "inspect" "c9124980830eadddeb3e1fb7bb186fcb224e112c110655bef2835f4d4874dee5"`
[INFO] running `"docker" "rm" "-f" "c9124980830eadddeb3e1fb7bb186fcb224e112c110655bef2835f4d4874dee5"`
[INFO] [stdout] c9124980830eadddeb3e1fb7bb186fcb224e112c110655bef2835f4d4874dee5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/DorianListens/Rurals-just-want-to-have-puns:/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] 03ffb4f8dd684dc394adc7db81ac80bfb5a632b39ca0c192323205f3de4035c6
[INFO] running `"docker" "start" "-a" "03ffb4f8dd684dc394adc7db81ac80bfb5a632b39ca0c192323205f3de4035c6"`
[INFO] [stderr]    Compiling puns v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0463]: can't find crate for `rurals_just_want_to_have_puns`
[INFO] [stderr]  --> tests/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate rurals_just_want_to_have_puns;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `puns`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]   --> src/main.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |     let result = file.read_to_string(&mut s);
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_result`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "03ffb4f8dd684dc394adc7db81ac80bfb5a632b39ca0c192323205f3de4035c6"`
[INFO] running `"docker" "rm" "-f" "03ffb4f8dd684dc394adc7db81ac80bfb5a632b39ca0c192323205f3de4035c6"`
[INFO] [stdout] 03ffb4f8dd684dc394adc7db81ac80bfb5a632b39ca0c192323205f3de4035c6