[INFO] updating cached repository amnn/fudge
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/amnn/fudge
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/amnn/fudge" "work/ex/beta-1.38-1/sources/1.37.0/gh/amnn/fudge"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/amnn/fudge'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/amnn/fudge" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/amnn/fudge"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/amnn/fudge'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d8e3058c29963be704c3c6a4ba4c01ed896c6b2e
[INFO] sha for GitHub repo amnn/fudge: d8e3058c29963be704c3c6a4ba4c01ed896c6b2e
[INFO] validating manifest of amnn/fudge 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 amnn/fudge 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 amnn/fudge
[INFO] finished frobbing amnn/fudge
[INFO] frobbed toml for amnn/fudge written to work/ex/beta-1.38-1/sources/1.37.0/gh/amnn/fudge/Cargo.toml
[INFO] started frobbing amnn/fudge
[INFO] finished frobbing amnn/fudge
[INFO] frobbed toml for amnn/fudge written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/amnn/fudge/Cargo.toml
[INFO] crate amnn/fudge 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/amnn/fudge/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[INFO] the lockfile is outdated, regenerating it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 amnn/fudge 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/amnn/fudge:/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] a374c9c0581ee649ce2d50dee4f5a3d7e7c952573b4e453823f0cf89b63253ac
[INFO] running `"docker" "start" "-a" "a374c9c0581ee649ce2d50dee4f5a3d7e7c952573b4e453823f0cf89b63253ac"`
[INFO] [stderr]    Compiling fudge v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/fdg.rs:192:20
[INFO] [stderr]     |
[INFO] [stderr] 192 |                 '0'...'9' | 'a'... 'f' =>
[INFO] [stderr]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/fdg.rs:192:32
[INFO] [stderr]     |
[INFO] [stderr] 192 |                 '0'...'9' | 'a'... 'f' =>
[INFO] [stderr]     |                                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/fdg.rs:141:13
[INFO] [stderr]     |
[INFO] [stderr] 141 |         let mut stdin = io::stdin();
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "a374c9c0581ee649ce2d50dee4f5a3d7e7c952573b4e453823f0cf89b63253ac"`
[INFO] running `"docker" "rm" "-f" "a374c9c0581ee649ce2d50dee4f5a3d7e7c952573b4e453823f0cf89b63253ac"`
[INFO] [stdout] a374c9c0581ee649ce2d50dee4f5a3d7e7c952573b4e453823f0cf89b63253ac
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/amnn/fudge:/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] 496cce92153ccc270c738454e91dfe81d53365826f0861e9cbc9ebbd0ed414b2
[INFO] running `"docker" "start" "-a" "496cce92153ccc270c738454e91dfe81d53365826f0861e9cbc9ebbd0ed414b2"`
[INFO] [stderr]    Compiling fudge v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/fdg.rs:192:20
[INFO] [stderr]     |
[INFO] [stderr] 192 |                 '0'...'9' | 'a'... 'f' =>
[INFO] [stderr]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/fdg.rs:192:32
[INFO] [stderr]     |
[INFO] [stderr] 192 |                 '0'...'9' | 'a'... 'f' =>
[INFO] [stderr]     |                                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/fdg.rs:141:13
[INFO] [stderr]     |
[INFO] [stderr] 141 |         let mut stdin = io::stdin();
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "496cce92153ccc270c738454e91dfe81d53365826f0861e9cbc9ebbd0ed414b2"`
[INFO] running `"docker" "rm" "-f" "496cce92153ccc270c738454e91dfe81d53365826f0861e9cbc9ebbd0ed414b2"`
[INFO] [stdout] 496cce92153ccc270c738454e91dfe81d53365826f0861e9cbc9ebbd0ed414b2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/amnn/fudge:/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] d8f8a0785e5e80a9fe862a9735e0109d5b0d9c6c894defc7ef89409ab2e9bf97
[INFO] running `"docker" "start" "-a" "d8f8a0785e5e80a9fe862a9735e0109d5b0d9c6c894defc7ef89409ab2e9bf97"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fudge-1b58c4d52e6b70b2
[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" "d8f8a0785e5e80a9fe862a9735e0109d5b0d9c6c894defc7ef89409ab2e9bf97"`
[INFO] running `"docker" "rm" "-f" "d8f8a0785e5e80a9fe862a9735e0109d5b0d9c6c894defc7ef89409ab2e9bf97"`
[INFO] [stdout] d8f8a0785e5e80a9fe862a9735e0109d5b0d9c6c894defc7ef89409ab2e9bf97