[INFO] crate numberkit 0.1.0 is already in cache
[INFO] extracting crate numberkit 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/numberkit/0.1.0
[INFO] extracting crate numberkit 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/numberkit/0.1.0
[INFO] validating manifest of numberkit-0.1.0 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 numberkit-0.1.0 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 numberkit-0.1.0
[INFO] finished frobbing numberkit-0.1.0
[INFO] frobbed toml for numberkit-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/numberkit/0.1.0/Cargo.toml
[INFO] started frobbing numberkit-0.1.0
[INFO] finished frobbing numberkit-0.1.0
[INFO] frobbed toml for numberkit-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/numberkit/0.1.0/Cargo.toml
[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 numberkit-0.1.0 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/reg/numberkit/0.1.0:/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] 66a45c7fbc9326a96fe053b8da22c8a814c8e4882cd2eede57ee613746198d71
[INFO] running `"docker" "start" "-a" "66a45c7fbc9326a96fe053b8da22c8a814c8e4882cd2eede57ee613746198d71"`
[INFO] [stderr]    Compiling numberkit v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::str::FromStr`
[INFO] [stderr]  --> src/lib.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::str::FromStr;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `has_negative` is assigned to, but never used
[INFO] [stderr]   --> src/lib.rs:18:11
[INFO] [stderr]    |
[INFO] [stderr] 18 |   let mut has_negative = false;
[INFO] [stderr]    |           ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_has_negative` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `has_negative` is never read
[INFO] [stderr]   --> src/lib.rs:28:7
[INFO] [stderr]    |
[INFO] [stderr] 28 |       has_negative = true;
[INFO] [stderr]    |       ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `"docker" "inspect" "66a45c7fbc9326a96fe053b8da22c8a814c8e4882cd2eede57ee613746198d71"`
[INFO] running `"docker" "rm" "-f" "66a45c7fbc9326a96fe053b8da22c8a814c8e4882cd2eede57ee613746198d71"`
[INFO] [stdout] 66a45c7fbc9326a96fe053b8da22c8a814c8e4882cd2eede57ee613746198d71
[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/reg/numberkit/0.1.0:/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] 5c790b55a42e1bb1b728c4c4657a1bd53759723c5db01003ad66d7f3ba5f863e
[INFO] running `"docker" "start" "-a" "5c790b55a42e1bb1b728c4c4657a1bd53759723c5db01003ad66d7f3ba5f863e"`
[INFO] [stderr]    Compiling numberkit v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::str::FromStr`
[INFO] [stderr]  --> src/lib.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::str::FromStr;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `has_negative` is assigned to, but never used
[INFO] [stderr]   --> src/lib.rs:18:11
[INFO] [stderr]    |
[INFO] [stderr] 18 |   let mut has_negative = false;
[INFO] [stderr]    |           ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_has_negative` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `has_negative` is never read
[INFO] [stderr]   --> src/lib.rs:28:7
[INFO] [stderr]    |
[INFO] [stderr] 28 |       has_negative = true;
[INFO] [stderr]    |       ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `"docker" "inspect" "5c790b55a42e1bb1b728c4c4657a1bd53759723c5db01003ad66d7f3ba5f863e"`
[INFO] running `"docker" "rm" "-f" "5c790b55a42e1bb1b728c4c4657a1bd53759723c5db01003ad66d7f3ba5f863e"`
[INFO] [stdout] 5c790b55a42e1bb1b728c4c4657a1bd53759723c5db01003ad66d7f3ba5f863e
[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/reg/numberkit/0.1.0:/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] 41a77aec746f366e1d135c330097e898af1645f0fd5694b61423b72b36d606d2
[INFO] running `"docker" "start" "-a" "41a77aec746f366e1d135c330097e898af1645f0fd5694b61423b72b36d606d2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/numberkit-94ba81826a27cfe3
[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] [stderr]      Running /opt/crater/target/debug/deps/test_numberkit-0994f49b657f028a
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_is_digit ... ok
[INFO] [stdout] test test_as ... ok
[INFO] [stdout] test test_is_number ... ok
[INFO] [stderr]    Doc-tests numberkit
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 32 tests
[INFO] [stdout] test src/lib.rs - as_i128d (line 266) ... ok
[INFO] [stdout] test src/lib.rs - as_i128 (line 255) ... ok
[INFO] [stdout] test src/lib.rs - as_i16 (line 168) ... ok
[INFO] [stdout] test src/lib.rs - as_i16d (line 179) ... ok
[INFO] [stdout] test src/lib.rs - as_f32d (line 459) ... ok
[INFO] [stdout] test src/lib.rs - as_f32 (line 448) ... ok
[INFO] [stdout] test src/lib.rs - as_f64d (line 489) ... ok
[INFO] [stdout] test src/lib.rs - as_f64 (line 478) ... ok
[INFO] [stdout] test src/lib.rs - as_i32d (line 208) ... ok
[INFO] [stdout] test src/lib.rs - as_i32 (line 197) ... ok
[INFO] [stdout] test src/lib.rs - as_i64 (line 226) ... ok
[INFO] [stdout] test src/lib.rs - as_i8 (line 139) ... ok
[INFO] [stdout] test src/lib.rs - as_isize (line 110) ... ok
[INFO] [stdout] test src/lib.rs - as_isized (line 121) ... ok
[INFO] [stdout] test src/lib.rs - as_i64d (line 237) ... ok
[INFO] [stdout] test src/lib.rs - as_i8d (line 150) ... ok
[INFO] [stdout] test src/lib.rs - as_u128 (line 424) ... ok
[INFO] [stdout] test src/lib.rs - as_u128d (line 435) ... ok
[INFO] [stdout] test src/lib.rs - as_u16d (line 347) ... ok
[INFO] [stdout] test src/lib.rs - as_u32d (line 376) ... ok
[INFO] [stdout] test src/lib.rs - as_u16 (line 336) ... ok
[INFO] [stdout] test src/lib.rs - as_u64d (line 405) ... ok
[INFO] [stdout] test src/lib.rs - as_u32 (line 365) ... ok
[INFO] [stdout] test src/lib.rs - as_u64 (line 394) ... ok
[INFO] [stdout] test src/lib.rs - as_usized (line 289) ... ok
[INFO] [stdout] test src/lib.rs - as_u8 (line 307) ... ok
[INFO] [stdout] test src/lib.rs - as_usize (line 278) ... ok
[INFO] [stdout] test src/lib.rs - as_u8d (line 318) ... ok
[INFO] [stdout] test src/lib.rs - is_idigit (line 80) ... ok
[INFO] [stdout] test src/lib.rs - is_digit (line 91) ... ok
[INFO] [stdout] test src/lib.rs - is_number (line 8) ... ok
[INFO] [stdout] test src/lib.rs - is_udigit (line 69) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "41a77aec746f366e1d135c330097e898af1645f0fd5694b61423b72b36d606d2"`
[INFO] running `"docker" "rm" "-f" "41a77aec746f366e1d135c330097e898af1645f0fd5694b61423b72b36d606d2"`
[INFO] [stdout] 41a77aec746f366e1d135c330097e898af1645f0fd5694b61423b72b36d606d2