[INFO] crate cargo-flamegraph 0.0.0 is already in cache
[INFO] extracting crate cargo-flamegraph 0.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/cargo-flamegraph/0.0.0
[INFO] extracting crate cargo-flamegraph 0.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/cargo-flamegraph/0.0.0
[INFO] validating manifest of cargo-flamegraph-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 cargo-flamegraph-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 cargo-flamegraph-0.0.0
[INFO] finished frobbing cargo-flamegraph-0.0.0
[INFO] frobbed toml for cargo-flamegraph-0.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/cargo-flamegraph/0.0.0/Cargo.toml
[INFO] started frobbing cargo-flamegraph-0.0.0
[INFO] finished frobbing cargo-flamegraph-0.0.0
[INFO] frobbed toml for cargo-flamegraph-0.0.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/cargo-flamegraph/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 cargo-flamegraph-0.0.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/cargo-flamegraph/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 5fcbdac82072366d6908edd57b963298f1c585f74c97770c053707fdeb8174bb
[INFO] running `"docker" "start" "-a" "5fcbdac82072366d6908edd57b963298f1c585f74c97770c053707fdeb8174bb"`
[INFO] [stderr]    Compiling cargo-flamegraph v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `"docker" "inspect" "5fcbdac82072366d6908edd57b963298f1c585f74c97770c053707fdeb8174bb"`
[INFO] running `"docker" "rm" "-f" "5fcbdac82072366d6908edd57b963298f1c585f74c97770c053707fdeb8174bb"`
[INFO] [stdout] 5fcbdac82072366d6908edd57b963298f1c585f74c97770c053707fdeb8174bb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/cargo-flamegraph/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 16c7a485861329f6506b1e86624be48f7bcca370e729249de8d4837d15a63f63
[INFO] running `"docker" "start" "-a" "16c7a485861329f6506b1e86624be48f7bcca370e729249de8d4837d15a63f63"`
[INFO] [stderr]    Compiling cargo-flamegraph v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `"docker" "inspect" "16c7a485861329f6506b1e86624be48f7bcca370e729249de8d4837d15a63f63"`
[INFO] running `"docker" "rm" "-f" "16c7a485861329f6506b1e86624be48f7bcca370e729249de8d4837d15a63f63"`
[INFO] [stdout] 16c7a485861329f6506b1e86624be48f7bcca370e729249de8d4837d15a63f63
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/cargo-flamegraph/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] a2f35b3caeb764b22dacd7f4a8eb55ee0016ff12d387c65c40dae98e522c88f5
[INFO] running `"docker" "start" "-a" "a2f35b3caeb764b22dacd7f4a8eb55ee0016ff12d387c65c40dae98e522c88f5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cargo_flamegraph-91a1080652427b77
[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" "a2f35b3caeb764b22dacd7f4a8eb55ee0016ff12d387c65c40dae98e522c88f5"`
[INFO] running `"docker" "rm" "-f" "a2f35b3caeb764b22dacd7f4a8eb55ee0016ff12d387c65c40dae98e522c88f5"`
[INFO] [stdout] a2f35b3caeb764b22dacd7f4a8eb55ee0016ff12d387c65c40dae98e522c88f5