[INFO] crate symbolic-testutils 5.7.8 is already in cache
[INFO] extracting crate symbolic-testutils 5.7.8 into work/ex/beta-1.38-1/sources/1.37.0/reg/symbolic-testutils/5.7.8
[INFO] extracting crate symbolic-testutils 5.7.8 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/symbolic-testutils/5.7.8
[INFO] validating manifest of symbolic-testutils-5.7.8 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 symbolic-testutils-5.7.8 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 symbolic-testutils-5.7.8
[INFO] finished frobbing symbolic-testutils-5.7.8
[INFO] frobbed toml for symbolic-testutils-5.7.8 written to work/ex/beta-1.38-1/sources/1.37.0/reg/symbolic-testutils/5.7.8/Cargo.toml
[INFO] started frobbing symbolic-testutils-5.7.8
[INFO] finished frobbing symbolic-testutils-5.7.8
[INFO] frobbed toml for symbolic-testutils-5.7.8 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/symbolic-testutils/5.7.8/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] [stderr]     Blocking waiting for file lock on package cache
[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 symbolic-testutils-5.7.8 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-6/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/symbolic-testutils/5.7.8:/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] bdd8a4cbba2a71e5a4d66f82f298324aa2ca3f69908ee1ee60550bc583a6d3e0
[INFO] running `"docker" "start" "-a" "bdd8a4cbba2a71e5a4d66f82f298324aa2ca3f69908ee1ee60550bc583a6d3e0"`
[INFO] [stderr]    Compiling symbolic-testutils v5.7.8 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `"docker" "inspect" "bdd8a4cbba2a71e5a4d66f82f298324aa2ca3f69908ee1ee60550bc583a6d3e0"`
[INFO] running `"docker" "rm" "-f" "bdd8a4cbba2a71e5a4d66f82f298324aa2ca3f69908ee1ee60550bc583a6d3e0"`
[INFO] [stdout] bdd8a4cbba2a71e5a4d66f82f298324aa2ca3f69908ee1ee60550bc583a6d3e0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/symbolic-testutils/5.7.8:/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] 04de7e123418d3be1f82b2286a9394cac8bde8522cdd8dfe2084c3b14cc347d4
[INFO] running `"docker" "start" "-a" "04de7e123418d3be1f82b2286a9394cac8bde8522cdd8dfe2084c3b14cc347d4"`
[INFO] [stderr]    Compiling symbolic-testutils v5.7.8 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "04de7e123418d3be1f82b2286a9394cac8bde8522cdd8dfe2084c3b14cc347d4"`
[INFO] running `"docker" "rm" "-f" "04de7e123418d3be1f82b2286a9394cac8bde8522cdd8dfe2084c3b14cc347d4"`
[INFO] [stdout] 04de7e123418d3be1f82b2286a9394cac8bde8522cdd8dfe2084c3b14cc347d4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/symbolic-testutils/5.7.8:/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] 9ee691a5ad099c088f3c9f870dab28862f4ad90a5cc0b5ab225dfce2bf736bad
[INFO] running `"docker" "start" "-a" "9ee691a5ad099c088f3c9f870dab28862f4ad90a5cc0b5ab225dfce2bf736bad"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/symbolic_testutils-048df0b18d88271d
[INFO] [stderr]    Doc-tests symbolic-testutils
[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] [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" "9ee691a5ad099c088f3c9f870dab28862f4ad90a5cc0b5ab225dfce2bf736bad"`
[INFO] running `"docker" "rm" "-f" "9ee691a5ad099c088f3c9f870dab28862f4ad90a5cc0b5ab225dfce2bf736bad"`
[INFO] [stdout] 9ee691a5ad099c088f3c9f870dab28862f4ad90a5cc0b5ab225dfce2bf736bad