[INFO] crate cot 0.0.1 is already in cache
[INFO] extracting crate cot 0.0.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/cot/0.0.1
[INFO] extracting crate cot 0.0.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cot/0.0.1
[INFO] validating manifest of cot-0.0.1 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 cot-0.0.1 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 cot-0.0.1
[INFO] finished frobbing cot-0.0.1
[INFO] frobbed toml for cot-0.0.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/cot/0.0.1/Cargo.toml
[INFO] started frobbing cot-0.0.1
[INFO] finished frobbing cot-0.0.1
[INFO] frobbed toml for cot-0.0.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cot/0.0.1/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] [stderr]     Blocking waiting for file lock on package cache lock
[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 cot-0.0.1 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cot/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 171c024f26c408278cade42f33e9a6548ef082ea21eeab48fcfc760e5c2473c0
[INFO] running `"docker" "start" "-a" "171c024f26c408278cade42f33e9a6548ef082ea21eeab48fcfc760e5c2473c0"`
[INFO] [stderr]    Compiling cot v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.10s
[INFO] running `"docker" "inspect" "171c024f26c408278cade42f33e9a6548ef082ea21eeab48fcfc760e5c2473c0"`
[INFO] running `"docker" "rm" "-f" "171c024f26c408278cade42f33e9a6548ef082ea21eeab48fcfc760e5c2473c0"`
[INFO] [stdout] 171c024f26c408278cade42f33e9a6548ef082ea21eeab48fcfc760e5c2473c0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cot/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 329d353a5649b0bef4985f0037cc738337926c16235e5ca8209fca28c7d0b439
[INFO] running `"docker" "start" "-a" "329d353a5649b0bef4985f0037cc738337926c16235e5ca8209fca28c7d0b439"`
[INFO] [stderr]    Compiling cot v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `"docker" "inspect" "329d353a5649b0bef4985f0037cc738337926c16235e5ca8209fca28c7d0b439"`
[INFO] running `"docker" "rm" "-f" "329d353a5649b0bef4985f0037cc738337926c16235e5ca8209fca28c7d0b439"`
[INFO] [stdout] 329d353a5649b0bef4985f0037cc738337926c16235e5ca8209fca28c7d0b439
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cot/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 5d9fc9333a833deaae6dde5f60a9da114cfc9cf7e8c7e324624f9987678f396c
[INFO] running `"docker" "start" "-a" "5d9fc9333a833deaae6dde5f60a9da114cfc9cf7e8c7e324624f9987678f396c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[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]      Running /opt/crater/target/debug/deps/cot-b1ad3df4251a84a7
[INFO] running `"docker" "inspect" "5d9fc9333a833deaae6dde5f60a9da114cfc9cf7e8c7e324624f9987678f396c"`
[INFO] running `"docker" "rm" "-f" "5d9fc9333a833deaae6dde5f60a9da114cfc9cf7e8c7e324624f9987678f396c"`
[INFO] [stdout] 5d9fc9333a833deaae6dde5f60a9da114cfc9cf7e8c7e324624f9987678f396c