[INFO] crate numtoa 0.2.3 is already in cache
[INFO] extracting crate numtoa 0.2.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/numtoa/0.2.3
[INFO] extracting crate numtoa 0.2.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/numtoa/0.2.3
[INFO] validating manifest of numtoa-0.2.3 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 numtoa-0.2.3 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 numtoa-0.2.3
[INFO] finished frobbing numtoa-0.2.3
[INFO] frobbed toml for numtoa-0.2.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/numtoa/0.2.3/Cargo.toml
[INFO] started frobbing numtoa-0.2.3
[INFO] finished frobbing numtoa-0.2.3
[INFO] frobbed toml for numtoa-0.2.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/numtoa/0.2.3/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing numtoa-0.2.3 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-1/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/numtoa/0.2.3:/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] b341336296d4f77acec2c35a28e176e2e97f65f87abc7a199daf89fdd35efc66
[INFO] running `"docker" "start" "-a" "b341336296d4f77acec2c35a28e176e2e97f65f87abc7a199daf89fdd35efc66"`
[INFO] [stderr]    Compiling numtoa v0.2.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `"docker" "inspect" "b341336296d4f77acec2c35a28e176e2e97f65f87abc7a199daf89fdd35efc66"`
[INFO] running `"docker" "rm" "-f" "b341336296d4f77acec2c35a28e176e2e97f65f87abc7a199daf89fdd35efc66"`
[INFO] [stdout] b341336296d4f77acec2c35a28e176e2e97f65f87abc7a199daf89fdd35efc66
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/numtoa/0.2.3:/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] 7adfadf420e710dc7a093425bdcdd024a5a640fbfdbc02d6eedc20c4c7d7b8ac
[INFO] running `"docker" "start" "-a" "7adfadf420e710dc7a093425bdcdd024a5a640fbfdbc02d6eedc20c4c7d7b8ac"`
[INFO] [stderr]    Compiling numtoa v0.2.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "7adfadf420e710dc7a093425bdcdd024a5a640fbfdbc02d6eedc20c4c7d7b8ac"`
[INFO] running `"docker" "rm" "-f" "7adfadf420e710dc7a093425bdcdd024a5a640fbfdbc02d6eedc20c4c7d7b8ac"`
[INFO] [stdout] 7adfadf420e710dc7a093425bdcdd024a5a640fbfdbc02d6eedc20c4c7d7b8ac
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/numtoa/0.2.3:/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] 4e542580776dfec352830e99807ec226fbe8c5372151eb43419e141f760aba8e
[INFO] running `"docker" "start" "-a" "4e542580776dfec352830e99807ec226fbe8c5372151eb43419e141f760aba8e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/numtoa-de0df8021c81cbdb
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test base10_i16_array_just_right ... ok
[INFO] [stdout] test base10_i32_array_just_right ... ok
[INFO] [stdout] test base10_i8_array_just_right ... ok
[INFO] [stdout] test base10_u16_array_just_right ... ok
[INFO] [stdout] test base10_i64_array_just_right ... ok
[INFO] [stdout] test base10_u64_array_just_right ... ok
[INFO] [stdout] test base10_u32_array_just_right ... ok
[INFO] [stdout] test base10_u8_array_just_right ... ok
[INFO] [stdout] test base10_i16_array_too_small ... ok
[INFO] [stdout] test base10_i32_array_too_small ... ok
[INFO] [stdout] test base10_i64_array_too_small ... ok
[INFO] [stdout] test base10_u16_array_too_small ... ok
[INFO] [stdout] test base16_min_signed_number ... ok
[INFO] [stdout] test base10_u32_array_too_small ... ok
[INFO] [stdout] test base10_u8_array_too_small ... ok
[INFO] [stdout] test base10_i8_array_too_small ... ok
[INFO] [stdout] test base8_min_signed_number ... ok
[INFO] [stdout] test str_convenience ... ok
[INFO] [stderr]    Doc-tests numtoa
[INFO] [stdout] test base10_u64_array_too_small ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs -  (line 12) ... ok
[INFO] [stdout] test src/lib.rs - NumToA::numtoa (line 92) ... ok
[INFO] [stdout] test src/lib.rs -  (line 27) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4e542580776dfec352830e99807ec226fbe8c5372151eb43419e141f760aba8e"`
[INFO] running `"docker" "rm" "-f" "4e542580776dfec352830e99807ec226fbe8c5372151eb43419e141f760aba8e"`
[INFO] [stdout] 4e542580776dfec352830e99807ec226fbe8c5372151eb43419e141f760aba8e