[INFO] crate newton-raphson 0.1.0 is already in cache
[INFO] extracting crate newton-raphson 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/newton-raphson/0.1.0
[INFO] extracting crate newton-raphson 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/newton-raphson/0.1.0
[INFO] validating manifest of newton-raphson-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 newton-raphson-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 newton-raphson-0.1.0
[INFO] finished frobbing newton-raphson-0.1.0
[INFO] frobbed toml for newton-raphson-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/newton-raphson/0.1.0/Cargo.toml
[INFO] started frobbing newton-raphson-0.1.0
[INFO] finished frobbing newton-raphson-0.1.0
[INFO] frobbed toml for newton-raphson-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/newton-raphson/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing newton-raphson-0.1.0 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/newton-raphson/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 99f03b0c52a07861a95da18dc3834d579646a23c432bcc7b8e6f42cab61a6d46
[INFO] running `"docker" "start" "-a" "99f03b0c52a07861a95da18dc3834d579646a23c432bcc7b8e6f42cab61a6d46"`
[INFO] [stderr]    Compiling newton-raphson v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `"docker" "inspect" "99f03b0c52a07861a95da18dc3834d579646a23c432bcc7b8e6f42cab61a6d46"`
[INFO] running `"docker" "rm" "-f" "99f03b0c52a07861a95da18dc3834d579646a23c432bcc7b8e6f42cab61a6d46"`
[INFO] [stdout] 99f03b0c52a07861a95da18dc3834d579646a23c432bcc7b8e6f42cab61a6d46
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/newton-raphson/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] d32d9836ed381a15639c45d7770020dd9d1db9115cc555a521a610d4793f3e8c
[INFO] running `"docker" "start" "-a" "d32d9836ed381a15639c45d7770020dd9d1db9115cc555a521a610d4793f3e8c"`
[INFO] [stderr]    Compiling newton-raphson v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `"docker" "inspect" "d32d9836ed381a15639c45d7770020dd9d1db9115cc555a521a610d4793f3e8c"`
[INFO] running `"docker" "rm" "-f" "d32d9836ed381a15639c45d7770020dd9d1db9115cc555a521a610d4793f3e8c"`
[INFO] [stdout] d32d9836ed381a15639c45d7770020dd9d1db9115cc555a521a610d4793f3e8c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/newton-raphson/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] d79f34f6ed70e51eabef18b31ae1465d48b726c1172b25fcfd33ed9f1ca74a07
[INFO] running `"docker" "start" "-a" "d79f34f6ed70e51eabef18b31ae1465d48b726c1172b25fcfd33ed9f1ca74a07"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/newton_raphson-7b32aa91f3bda64d
[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]    Doc-tests newton-raphson
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - find_root (line 30) ... ok
[INFO] [stdout] test src/lib.rs - iteration (line 57) ... ok
[INFO] [stdout] test src/lib.rs -  (line 9) ... 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" "d79f34f6ed70e51eabef18b31ae1465d48b726c1172b25fcfd33ed9f1ca74a07"`
[INFO] running `"docker" "rm" "-f" "d79f34f6ed70e51eabef18b31ae1465d48b726c1172b25fcfd33ed9f1ca74a07"`
[INFO] [stdout] d79f34f6ed70e51eabef18b31ae1465d48b726c1172b25fcfd33ed9f1ca74a07