[INFO] crate ioutil 0.0.1 is already in cache
[INFO] extracting crate ioutil 0.0.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/ioutil/0.0.1
[INFO] extracting crate ioutil 0.0.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ioutil/0.0.1
[INFO] validating manifest of ioutil-0.0.1 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 ioutil-0.0.1 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 ioutil-0.0.1
[INFO] finished frobbing ioutil-0.0.1
[INFO] frobbed toml for ioutil-0.0.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/ioutil/0.0.1/Cargo.toml
[INFO] started frobbing ioutil-0.0.1
[INFO] finished frobbing ioutil-0.0.1
[INFO] frobbed toml for ioutil-0.0.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ioutil/0.0.1/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 ioutil-0.0.1 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/reg/ioutil/0.0.1:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] d910bbe43394b70eeb9ca08f2f81193fe446615ff1072807b2d5c1a751d4f9fb
[INFO] running `"docker" "start" "-a" "d910bbe43394b70eeb9ca08f2f81193fe446615ff1072807b2d5c1a751d4f9fb"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling ioutil v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `"docker" "inspect" "d910bbe43394b70eeb9ca08f2f81193fe446615ff1072807b2d5c1a751d4f9fb"`
[INFO] running `"docker" "rm" "-f" "d910bbe43394b70eeb9ca08f2f81193fe446615ff1072807b2d5c1a751d4f9fb"`
[INFO] [stdout] d910bbe43394b70eeb9ca08f2f81193fe446615ff1072807b2d5c1a751d4f9fb
[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/reg/ioutil/0.0.1:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] c45772db4e46455eb1db7e2e3bbfbc83e58d455cc2def3cf9e74ddb72e5fa6bf
[INFO] running `"docker" "start" "-a" "c45772db4e46455eb1db7e2e3bbfbc83e58d455cc2def3cf9e74ddb72e5fa6bf"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling ioutil v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `"docker" "inspect" "c45772db4e46455eb1db7e2e3bbfbc83e58d455cc2def3cf9e74ddb72e5fa6bf"`
[INFO] running `"docker" "rm" "-f" "c45772db4e46455eb1db7e2e3bbfbc83e58d455cc2def3cf9e74ddb72e5fa6bf"`
[INFO] [stdout] c45772db4e46455eb1db7e2e3bbfbc83e58d455cc2def3cf9e74ddb72e5fa6bf
[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/reg/ioutil/0.0.1:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 592c1381ae156b34ebca1ad2e9e64da6fabf9855fc3bbc6e588e80206e22a126
[INFO] running `"docker" "start" "-a" "592c1381ae156b34ebca1ad2e9e64da6fabf9855fc3bbc6e588e80206e22a126"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ioutil-0018048cef4801d5
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ioutil
[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" "592c1381ae156b34ebca1ad2e9e64da6fabf9855fc3bbc6e588e80206e22a126"`
[INFO] running `"docker" "rm" "-f" "592c1381ae156b34ebca1ad2e9e64da6fabf9855fc3bbc6e588e80206e22a126"`
[INFO] [stdout] 592c1381ae156b34ebca1ad2e9e64da6fabf9855fc3bbc6e588e80206e22a126