[INFO] updating cached repository tbarron/fx
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tbarron/fx
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tbarron/fx" "work/ex/beta-1.38-1/sources/1.37.0/gh/tbarron/fx"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tbarron/fx'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tbarron/fx" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tbarron/fx"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tbarron/fx'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f3c6c947f44eda687069c220c3a366886dd575aa
[INFO] sha for GitHub repo tbarron/fx: f3c6c947f44eda687069c220c3a366886dd575aa
[INFO] validating manifest of tbarron/fx 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 tbarron/fx 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 tbarron/fx
[INFO] finished frobbing tbarron/fx
[INFO] frobbed toml for tbarron/fx written to work/ex/beta-1.38-1/sources/1.37.0/gh/tbarron/fx/Cargo.toml
[INFO] started frobbing tbarron/fx
[INFO] finished frobbing tbarron/fx
[INFO] frobbed toml for tbarron/fx written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tbarron/fx/Cargo.toml
[INFO] crate tbarron/fx 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 tbarron/fx 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/tbarron/fx:/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] b719a327101f5481ef04f2428afc23ef8e5cdc1d316b2617fbd8a944d2547015
[INFO] running `"docker" "start" "-a" "b719a327101f5481ef04f2428afc23ef8e5cdc1d316b2617fbd8a944d2547015"`
[INFO] [stderr]    Compiling clap v2.29.1
[INFO] [stderr]    Compiling fx v0.0.8 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.78s
[INFO] running `"docker" "inspect" "b719a327101f5481ef04f2428afc23ef8e5cdc1d316b2617fbd8a944d2547015"`
[INFO] running `"docker" "rm" "-f" "b719a327101f5481ef04f2428afc23ef8e5cdc1d316b2617fbd8a944d2547015"`
[INFO] [stdout] b719a327101f5481ef04f2428afc23ef8e5cdc1d316b2617fbd8a944d2547015
[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/tbarron/fx:/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] e5ec57912abf0f09c8df1f06813b4c18f9fcc616c05829aa4163f64efc2c0b5c
[INFO] running `"docker" "start" "-a" "e5ec57912abf0f09c8df1f06813b4c18f9fcc616c05829aa4163f64efc2c0b5c"`
[INFO] [stderr]    Compiling fx v0.0.8 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ascii.rs:109:17
[INFO] [stderr]     |
[INFO] [stderr] 109 |             let mut spitem = format!("0x{:x}", item);
[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 2.25s
[INFO] running `"docker" "inspect" "e5ec57912abf0f09c8df1f06813b4c18f9fcc616c05829aa4163f64efc2c0b5c"`
[INFO] running `"docker" "rm" "-f" "e5ec57912abf0f09c8df1f06813b4c18f9fcc616c05829aa4163f64efc2c0b5c"`
[INFO] [stdout] e5ec57912abf0f09c8df1f06813b4c18f9fcc616c05829aa4163f64efc2c0b5c
[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/tbarron/fx:/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] ce4f47164e406d9283ed98c90a34158d6580085959cc6fca2b395e9acffc2a65
[INFO] running `"docker" "start" "-a" "ce4f47164e406d9283ed98c90a34158d6580085959cc6fca2b395e9acffc2a65"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fx-46a71322eb19a48a
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test mag::tests::test_mag_underscore ... ok
[INFO] [stdout] test mag::tests::test_mag_no_underscore ... ok
[INFO] [stdout] test mag::tests::test_to_float ... ok
[INFO] [stdout] test odx::tests::test_is_binary ... ok
[INFO] [stdout] test odx::tests::test_is_decimal ... ok
[INFO] [stdout] test odx::tests::test_is_hex ... ok
[INFO] [stdout] test odx::tests::test_is_octal ... ok
[INFO] [stdout] test odx::tests::test_refract ... ok
[INFO] [stdout] test range::tests::test_rng_glh_colon ... ok
[INFO] [stdout] test range::tests::test_rng_glh_dotdot ... ok
[INFO] [stdout] test range::tests::test_rng_make_list ... ok
[INFO] [stdout] test tests::test_cargo_version ... ok
[INFO] [stdout] test cmd::tests::test_cmd_make_list ... ok
[INFO] [stdout] test range::tests::test_rng_make_list_zpad ... ok
[INFO] [stdout] test ascii::tests::test_ascii_count ... ok
[INFO] [stdout] test ascii::tests::test_ascii_names ... ok
[INFO] [stdout] test ascii::tests::test_ascii_low ... ok
[INFO] [stdout] test ascii::tests::test_ascii ... ok
[INFO] [stdout] test mag::tests::test_mag_binary ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ce4f47164e406d9283ed98c90a34158d6580085959cc6fca2b395e9acffc2a65"`
[INFO] running `"docker" "rm" "-f" "ce4f47164e406d9283ed98c90a34158d6580085959cc6fca2b395e9acffc2a65"`
[INFO] [stdout] ce4f47164e406d9283ed98c90a34158d6580085959cc6fca2b395e9acffc2a65