[INFO] crate artifact 0.2.4 is already in cache
[INFO] extracting crate artifact 0.2.4 into work/ex/beta-1.37-6/sources/1.36.0/reg/artifact/0.2.4
[INFO] extracting crate artifact 0.2.4 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/artifact/0.2.4
[INFO] validating manifest of artifact-0.2.4 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of artifact-0.2.4 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing artifact-0.2.4
[INFO] finished frobbing artifact-0.2.4
[INFO] frobbed toml for artifact-0.2.4 written to work/ex/beta-1.37-6/sources/1.36.0/reg/artifact/0.2.4/Cargo.toml
[INFO] started frobbing artifact-0.2.4
[INFO] finished frobbing artifact-0.2.4
[INFO] frobbed toml for artifact-0.2.4 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/artifact/0.2.4/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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 artifact-0.2.4 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/artifact/0.2.4:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 3f22c2cb30eb10be41f824e5bdde3f6e9f9f8f03aa7d282a1c799292a63288ab
[INFO] running `"docker" "start" "-a" "3f22c2cb30eb10be41f824e5bdde3f6e9f9f8f03aa7d282a1c799292a63288ab"`
[INFO] [stderr]    Compiling artifact v0.2.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.71s
[INFO] running `"docker" "inspect" "3f22c2cb30eb10be41f824e5bdde3f6e9f9f8f03aa7d282a1c799292a63288ab"`
[INFO] running `"docker" "rm" "-f" "3f22c2cb30eb10be41f824e5bdde3f6e9f9f8f03aa7d282a1c799292a63288ab"`
[INFO] [stdout] 3f22c2cb30eb10be41f824e5bdde3f6e9f9f8f03aa7d282a1c799292a63288ab
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/artifact/0.2.4:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 877b5605a76f3db0b26764d57ccae4a42db743ff96eed440ac0b9128e9c7418d
[INFO] running `"docker" "start" "-a" "877b5605a76f3db0b26764d57ccae4a42db743ff96eed440ac0b9128e9c7418d"`
[INFO] [stderr]    Compiling artifact v0.2.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `"docker" "inspect" "877b5605a76f3db0b26764d57ccae4a42db743ff96eed440ac0b9128e9c7418d"`
[INFO] running `"docker" "rm" "-f" "877b5605a76f3db0b26764d57ccae4a42db743ff96eed440ac0b9128e9c7418d"`
[INFO] [stdout] 877b5605a76f3db0b26764d57ccae4a42db743ff96eed440ac0b9128e9c7418d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/artifact/0.2.4:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] f826f7a42d4f57970cebb79569d86cf22d05d354a15cd7303aa69d5ee5343555
[INFO] running `"docker" "start" "-a" "f826f7a42d4f57970cebb79569d86cf22d05d354a15cd7303aa69d5ee5343555"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/artifact-05c628608f0686c1
[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 artifact
[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" "f826f7a42d4f57970cebb79569d86cf22d05d354a15cd7303aa69d5ee5343555"`
[INFO] running `"docker" "rm" "-f" "f826f7a42d4f57970cebb79569d86cf22d05d354a15cd7303aa69d5ee5343555"`
[INFO] [stdout] f826f7a42d4f57970cebb79569d86cf22d05d354a15cd7303aa69d5ee5343555