[INFO] crate async-trace 0.0.0 is already in cache
[INFO] extracting crate async-trace 0.0.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/async-trace/0.0.0
[INFO] extracting crate async-trace 0.0.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/async-trace/0.0.0
[INFO] validating manifest of async-trace-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 async-trace-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 async-trace-0.0.0
[INFO] finished frobbing async-trace-0.0.0
[INFO] frobbed toml for async-trace-0.0.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/async-trace/0.0.0/Cargo.toml
[INFO] started frobbing async-trace-0.0.0
[INFO] finished frobbing async-trace-0.0.0
[INFO] frobbed toml for async-trace-0.0.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/async-trace/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 async-trace-0.0.0 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-1/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/async-trace/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] de009f5ea7706deb6327e2cfb8d1b47b5b6313a4407599690528b3c71e4388b4
[INFO] running `"docker" "start" "-a" "de009f5ea7706deb6327e2cfb8d1b47b5b6313a4407599690528b3c71e4388b4"`
[INFO] [stderr]    Compiling async-trace v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `"docker" "inspect" "de009f5ea7706deb6327e2cfb8d1b47b5b6313a4407599690528b3c71e4388b4"`
[INFO] running `"docker" "rm" "-f" "de009f5ea7706deb6327e2cfb8d1b47b5b6313a4407599690528b3c71e4388b4"`
[INFO] [stdout] de009f5ea7706deb6327e2cfb8d1b47b5b6313a4407599690528b3c71e4388b4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/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/async-trace/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4178d2216001bb1e1e4a203628da2549b0db680851c48ff07cc964291d574c19
[INFO] running `"docker" "start" "-a" "4178d2216001bb1e1e4a203628da2549b0db680851c48ff07cc964291d574c19"`
[INFO] [stderr]    Compiling async-trace v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `"docker" "inspect" "4178d2216001bb1e1e4a203628da2549b0db680851c48ff07cc964291d574c19"`
[INFO] running `"docker" "rm" "-f" "4178d2216001bb1e1e4a203628da2549b0db680851c48ff07cc964291d574c19"`
[INFO] [stdout] 4178d2216001bb1e1e4a203628da2549b0db680851c48ff07cc964291d574c19
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/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/async-trace/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 2d9bd74deef16684608cd8dcd158776ee21cdb7a52d983c6cbeb88a5e8ea2680
[INFO] running `"docker" "start" "-a" "2d9bd74deef16684608cd8dcd158776ee21cdb7a52d983c6cbeb88a5e8ea2680"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/async_trace-d08f296a1acb9932
[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" "2d9bd74deef16684608cd8dcd158776ee21cdb7a52d983c6cbeb88a5e8ea2680"`
[INFO] running `"docker" "rm" "-f" "2d9bd74deef16684608cd8dcd158776ee21cdb7a52d983c6cbeb88a5e8ea2680"`
[INFO] [stdout] 2d9bd74deef16684608cd8dcd158776ee21cdb7a52d983c6cbeb88a5e8ea2680