[INFO] crate trace-core 0.0.0 is already in cache
[INFO] extracting crate trace-core 0.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/trace-core/0.0.0
[INFO] extracting crate trace-core 0.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/trace-core/0.0.0
[INFO] validating manifest of trace-core-0.0.0 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 trace-core-0.0.0 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 trace-core-0.0.0
[INFO] finished frobbing trace-core-0.0.0
[INFO] frobbed toml for trace-core-0.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/trace-core/0.0.0/Cargo.toml
[INFO] started frobbing trace-core-0.0.0
[INFO] finished frobbing trace-core-0.0.0
[INFO] frobbed toml for trace-core-0.0.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/trace-core/0.0.0/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 trace-core-0.0.0 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-4/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/trace-core/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 633dd24ecb43223cc16a71f1c453a098b3cceeb08712ab0ef3dfad823ed0adcf
[INFO] running `"docker" "start" "-a" "633dd24ecb43223cc16a71f1c453a098b3cceeb08712ab0ef3dfad823ed0adcf"`
[INFO] [stderr]    Compiling trace-core v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `"docker" "inspect" "633dd24ecb43223cc16a71f1c453a098b3cceeb08712ab0ef3dfad823ed0adcf"`
[INFO] running `"docker" "rm" "-f" "633dd24ecb43223cc16a71f1c453a098b3cceeb08712ab0ef3dfad823ed0adcf"`
[INFO] [stdout] 633dd24ecb43223cc16a71f1c453a098b3cceeb08712ab0ef3dfad823ed0adcf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/trace-core/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6d97cf39fc53bdc2cadc2021fb63a13d26c779cf7e6b9f341aa955c0db7c9e3f
[INFO] running `"docker" "start" "-a" "6d97cf39fc53bdc2cadc2021fb63a13d26c779cf7e6b9f341aa955c0db7c9e3f"`
[INFO] [stderr]    Compiling trace-core v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "6d97cf39fc53bdc2cadc2021fb63a13d26c779cf7e6b9f341aa955c0db7c9e3f"`
[INFO] running `"docker" "rm" "-f" "6d97cf39fc53bdc2cadc2021fb63a13d26c779cf7e6b9f341aa955c0db7c9e3f"`
[INFO] [stdout] 6d97cf39fc53bdc2cadc2021fb63a13d26c779cf7e6b9f341aa955c0db7c9e3f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/trace-core/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] a521e198e18257e9cb3497c12a5ded52bdf5e63216239dba96c93bf4c213f02b
[INFO] running `"docker" "start" "-a" "a521e198e18257e9cb3497c12a5ded52bdf5e63216239dba96c93bf4c213f02b"`
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/trace_core-e5d62a4a78ada2e5
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests trace-core
[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" "a521e198e18257e9cb3497c12a5ded52bdf5e63216239dba96c93bf4c213f02b"`
[INFO] running `"docker" "rm" "-f" "a521e198e18257e9cb3497c12a5ded52bdf5e63216239dba96c93bf4c213f02b"`
[INFO] [stdout] a521e198e18257e9cb3497c12a5ded52bdf5e63216239dba96c93bf4c213f02b