[INFO] fetching crate air 0.0.0...
[INFO] extracting crate air 0.0.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/air/0.0.0
[INFO] extracting crate air 0.0.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/air/0.0.0
[INFO] validating manifest of air-0.0.0 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 air-0.0.0 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 air-0.0.0
[INFO] finished frobbing air-0.0.0
[INFO] frobbed toml for air-0.0.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/air/0.0.0/Cargo.toml
[INFO] started frobbing air-0.0.0
[INFO] finished frobbing air-0.0.0
[INFO] frobbed toml for air-0.0.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/air/0.0.0/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] testing air-0.0.0 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-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/air/0.0.0:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 756682de7a8a8d0a86156ffe621fed7601cd6c4476b5af3751c15e41eea2f3ac
[INFO] running `"docker" "start" "-a" "756682de7a8a8d0a86156ffe621fed7601cd6c4476b5af3751c15e41eea2f3ac"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]    Compiling air v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "756682de7a8a8d0a86156ffe621fed7601cd6c4476b5af3751c15e41eea2f3ac"`
[INFO] running `"docker" "rm" "-f" "756682de7a8a8d0a86156ffe621fed7601cd6c4476b5af3751c15e41eea2f3ac"`
[INFO] [stdout] 756682de7a8a8d0a86156ffe621fed7601cd6c4476b5af3751c15e41eea2f3ac
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/air/0.0.0:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] f0efe46e411429ac5380ff117327a62810143642455a6398b5378b479fdaa710
[INFO] running `"docker" "start" "-a" "f0efe46e411429ac5380ff117327a62810143642455a6398b5378b479fdaa710"`
[INFO] [stderr]    Compiling air v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "f0efe46e411429ac5380ff117327a62810143642455a6398b5378b479fdaa710"`
[INFO] running `"docker" "rm" "-f" "f0efe46e411429ac5380ff117327a62810143642455a6398b5378b479fdaa710"`
[INFO] [stdout] f0efe46e411429ac5380ff117327a62810143642455a6398b5378b479fdaa710
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/air/0.0.0:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] adbca25fc9f050e421fbec34f6dcf6db61e319a5a9aacd825ce74491e7fe1d7d
[INFO] running `"docker" "start" "-a" "adbca25fc9f050e421fbec34f6dcf6db61e319a5a9aacd825ce74491e7fe1d7d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/air-4fdc3634490d6248
[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" "adbca25fc9f050e421fbec34f6dcf6db61e319a5a9aacd825ce74491e7fe1d7d"`
[INFO] running `"docker" "rm" "-f" "adbca25fc9f050e421fbec34f6dcf6db61e319a5a9aacd825ce74491e7fe1d7d"`
[INFO] [stdout] adbca25fc9f050e421fbec34f6dcf6db61e319a5a9aacd825ce74491e7fe1d7d