[INFO] crate flamegraph 0.1.13 is already in cache
[INFO] extracting crate flamegraph 0.1.13 into work/ex/beta-1.38-1/sources/1.37.0/reg/flamegraph/0.1.13
[INFO] extracting crate flamegraph 0.1.13 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/flamegraph/0.1.13
[INFO] validating manifest of flamegraph-0.1.13 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 flamegraph-0.1.13 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 flamegraph-0.1.13
[INFO] finished frobbing flamegraph-0.1.13
[INFO] frobbed toml for flamegraph-0.1.13 written to work/ex/beta-1.38-1/sources/1.37.0/reg/flamegraph/0.1.13/Cargo.toml
[INFO] started frobbing flamegraph-0.1.13
[INFO] finished frobbing flamegraph-0.1.13
[INFO] frobbed toml for flamegraph-0.1.13 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/flamegraph/0.1.13/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 flamegraph-0.1.13 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/flamegraph/0.1.13:/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] 97eac3000771dea8765a140e1e1d8bf4a1bbc81291aa28e8bcebd2dbc45b9c13
[INFO] running `"docker" "start" "-a" "97eac3000771dea8765a140e1e1d8bf4a1bbc81291aa28e8bcebd2dbc45b9c13"`
[INFO] [stderr]    Compiling encoding_rs v0.8.17
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling arc-swap v0.4.2
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling str_stack v0.1.0
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling num-format v0.4.0
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling signal-hook-registry v1.1.1
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling signal-hook v0.1.10
[INFO] [stderr]    Compiling quick-xml v0.13.3
[INFO] [stderr]    Compiling cargo_metadata v0.7.4
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling inferno v0.4.1
[INFO] [stderr]    Compiling flamegraph v0.1.13 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.18s
[INFO] running `"docker" "inspect" "97eac3000771dea8765a140e1e1d8bf4a1bbc81291aa28e8bcebd2dbc45b9c13"`
[INFO] running `"docker" "rm" "-f" "97eac3000771dea8765a140e1e1d8bf4a1bbc81291aa28e8bcebd2dbc45b9c13"`
[INFO] [stdout] 97eac3000771dea8765a140e1e1d8bf4a1bbc81291aa28e8bcebd2dbc45b9c13
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/flamegraph/0.1.13:/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] 14181552d8c805641980f4d0e277b786773c84f4bc4b74bce1ee93eb46cf0fd5
[INFO] running `"docker" "start" "-a" "14181552d8c805641980f4d0e277b786773c84f4bc4b74bce1ee93eb46cf0fd5"`
[INFO] [stderr]    Compiling flamegraph v0.1.13 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `"docker" "inspect" "14181552d8c805641980f4d0e277b786773c84f4bc4b74bce1ee93eb46cf0fd5"`
[INFO] running `"docker" "rm" "-f" "14181552d8c805641980f4d0e277b786773c84f4bc4b74bce1ee93eb46cf0fd5"`
[INFO] [stdout] 14181552d8c805641980f4d0e277b786773c84f4bc4b74bce1ee93eb46cf0fd5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/flamegraph/0.1.13:/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] c23f37b05c0c24f047b4ed2d000ed3cf9c070b60bdab2a28711b0f752ac7b69b
[INFO] running `"docker" "start" "-a" "c23f37b05c0c24f047b4ed2d000ed3cf9c070b60bdab2a28711b0f752ac7b69b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/flamegraph-cb27e34e2433dad4
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cargo_flamegraph-a595d2b2b148045f
[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] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/flamegraph-fb3e4c1066af9853
[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] [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]    Doc-tests flamegraph
[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" "c23f37b05c0c24f047b4ed2d000ed3cf9c070b60bdab2a28711b0f752ac7b69b"`
[INFO] running `"docker" "rm" "-f" "c23f37b05c0c24f047b4ed2d000ed3cf9c070b60bdab2a28711b0f752ac7b69b"`
[INFO] [stdout] c23f37b05c0c24f047b4ed2d000ed3cf9c070b60bdab2a28711b0f752ac7b69b