[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[INFO] the lockfile is outdated, regenerating it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 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-7/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/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] c357bb307d71bd1c33c72b8502b5bca6d4a28a1b60db3283db14e35485ff5a76
[INFO] running `"docker" "start" "-a" "c357bb307d71bd1c33c72b8502b5bca6d4a28a1b60db3283db14e35485ff5a76"`
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[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 3.78s
[INFO] running `"docker" "inspect" "c357bb307d71bd1c33c72b8502b5bca6d4a28a1b60db3283db14e35485ff5a76"`
[INFO] running `"docker" "rm" "-f" "c357bb307d71bd1c33c72b8502b5bca6d4a28a1b60db3283db14e35485ff5a76"`
[INFO] [stdout] c357bb307d71bd1c33c72b8502b5bca6d4a28a1b60db3283db14e35485ff5a76
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4527e45f61a49b6065f1cbdd6de5916fa521fbff39e7cc2aaff9f761b21fda2b
[INFO] running `"docker" "start" "-a" "4527e45f61a49b6065f1cbdd6de5916fa521fbff39e7cc2aaff9f761b21fda2b"`
[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 0.66s
[INFO] running `"docker" "inspect" "4527e45f61a49b6065f1cbdd6de5916fa521fbff39e7cc2aaff9f761b21fda2b"`
[INFO] running `"docker" "rm" "-f" "4527e45f61a49b6065f1cbdd6de5916fa521fbff39e7cc2aaff9f761b21fda2b"`
[INFO] [stdout] 4527e45f61a49b6065f1cbdd6de5916fa521fbff39e7cc2aaff9f761b21fda2b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 7fde9631c95ca30a74cdf3c2872fdc2048a75e91bf1399c6cf30a5a56b05570f
[INFO] running `"docker" "start" "-a" "7fde9631c95ca30a74cdf3c2872fdc2048a75e91bf1399c6cf30a5a56b05570f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fudge-705bf2e3d5cf1693
[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" "7fde9631c95ca30a74cdf3c2872fdc2048a75e91bf1399c6cf30a5a56b05570f"`
[INFO] running `"docker" "rm" "-f" "7fde9631c95ca30a74cdf3c2872fdc2048a75e91bf1399c6cf30a5a56b05570f"`
[INFO] [stdout] 7fde9631c95ca30a74cdf3c2872fdc2048a75e91bf1399c6cf30a5a56b05570f