[INFO] crate changelog-rs 0.3.1 is already in cache
[INFO] extracting crate changelog-rs 0.3.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/changelog-rs/0.3.1
[INFO] extracting crate changelog-rs 0.3.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/changelog-rs/0.3.1
[INFO] validating manifest of changelog-rs-0.3.1 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 changelog-rs-0.3.1 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 changelog-rs-0.3.1
[INFO] finished frobbing changelog-rs-0.3.1
[INFO] frobbed toml for changelog-rs-0.3.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/changelog-rs/0.3.1/Cargo.toml
[INFO] started frobbing changelog-rs-0.3.1
[INFO] finished frobbing changelog-rs-0.3.1
[INFO] frobbed toml for changelog-rs-0.3.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/changelog-rs/0.3.1/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 changelog-rs-0.3.1 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/changelog-rs/0.3.1:/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] b636d7cabf36ab94a849a58ea99a58cbde4f3af2cdb57b0ae47573013ed810bd
[INFO] running `"docker" "start" "-a" "b636d7cabf36ab94a849a58ea99a58cbde4f3af2cdb57b0ae47573013ed810bd"`
[INFO] [stderr]    Compiling changelog-rs v0.3.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `"docker" "inspect" "b636d7cabf36ab94a849a58ea99a58cbde4f3af2cdb57b0ae47573013ed810bd"`
[INFO] running `"docker" "rm" "-f" "b636d7cabf36ab94a849a58ea99a58cbde4f3af2cdb57b0ae47573013ed810bd"`
[INFO] [stdout] b636d7cabf36ab94a849a58ea99a58cbde4f3af2cdb57b0ae47573013ed810bd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/changelog-rs/0.3.1:/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] a8fd689ba50e46d8d22f434a076b520629d1bef4f2cdf4b0295e6b618224b1cf
[INFO] running `"docker" "start" "-a" "a8fd689ba50e46d8d22f434a076b520629d1bef4f2cdf4b0295e6b618224b1cf"`
[INFO] [stderr]    Compiling changelog-rs v0.3.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "a8fd689ba50e46d8d22f434a076b520629d1bef4f2cdf4b0295e6b618224b1cf"`
[INFO] running `"docker" "rm" "-f" "a8fd689ba50e46d8d22f434a076b520629d1bef4f2cdf4b0295e6b618224b1cf"`
[INFO] [stdout] a8fd689ba50e46d8d22f434a076b520629d1bef4f2cdf4b0295e6b618224b1cf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/changelog-rs/0.3.1:/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] 18561785b3968c78ffb62e7045cf6d6185e72db70e49b50e6be64c43015aacf5
[INFO] running `"docker" "start" "-a" "18561785b3968c78ffb62e7045cf6d6185e72db70e49b50e6be64c43015aacf5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/changelog_rs-e8cd0508255c3272
[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" "18561785b3968c78ffb62e7045cf6d6185e72db70e49b50e6be64c43015aacf5"`
[INFO] running `"docker" "rm" "-f" "18561785b3968c78ffb62e7045cf6d6185e72db70e49b50e6be64c43015aacf5"`
[INFO] [stdout] 18561785b3968c78ffb62e7045cf6d6185e72db70e49b50e6be64c43015aacf5