[INFO] updating cached repository ferrous-systems/cargo-flamegraph
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ferrous-systems/cargo-flamegraph
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ferrous-systems/cargo-flamegraph" "work/ex/beta-1.37-6/sources/1.36.0/gh/ferrous-systems/cargo-flamegraph"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ferrous-systems/cargo-flamegraph'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ferrous-systems/cargo-flamegraph" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ferrous-systems/cargo-flamegraph"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ferrous-systems/cargo-flamegraph'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cd5855f08ea12143272c276ed477a7c6903eae67
[INFO] sha for GitHub repo ferrous-systems/cargo-flamegraph: cd5855f08ea12143272c276ed477a7c6903eae67
[INFO] validating manifest of ferrous-systems/cargo-flamegraph 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 ferrous-systems/cargo-flamegraph 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 ferrous-systems/cargo-flamegraph
[INFO] finished frobbing ferrous-systems/cargo-flamegraph
[INFO] frobbed toml for ferrous-systems/cargo-flamegraph written to work/ex/beta-1.37-6/sources/1.36.0/gh/ferrous-systems/cargo-flamegraph/Cargo.toml
[INFO] started frobbing ferrous-systems/cargo-flamegraph
[INFO] finished frobbing ferrous-systems/cargo-flamegraph
[INFO] frobbed toml for ferrous-systems/cargo-flamegraph written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ferrous-systems/cargo-flamegraph/Cargo.toml
[INFO] crate ferrous-systems/cargo-flamegraph already has a lockfile, it will not be regenerated
[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 ferrous-systems/cargo-flamegraph 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-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ferrous-systems/cargo-flamegraph:/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] 84f30aa170b1ff6bf495f5719ababe27d9e5fbf12d12330bcdbebff875ba62cd
[INFO] running `"docker" "start" "-a" "84f30aa170b1ff6bf495f5719ababe27d9e5fbf12d12330bcdbebff875ba62cd"`
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling str_stack v0.1.0
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling quick-xml v0.13.3
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling num-format v0.4.0
[INFO] [stderr]    Compiling structopt v0.2.15
[INFO] [stderr]    Compiling inferno v0.4.1
[INFO] [stderr]    Compiling cargo_metadata v0.7.3
[INFO] [stderr]    Compiling flamegraph v0.1.13 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.18s
[INFO] running `"docker" "inspect" "84f30aa170b1ff6bf495f5719ababe27d9e5fbf12d12330bcdbebff875ba62cd"`
[INFO] running `"docker" "rm" "-f" "84f30aa170b1ff6bf495f5719ababe27d9e5fbf12d12330bcdbebff875ba62cd"`
[INFO] [stdout] 84f30aa170b1ff6bf495f5719ababe27d9e5fbf12d12330bcdbebff875ba62cd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ferrous-systems/cargo-flamegraph:/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] 4e406af9c8b20f93fc51202118f151fd296ae623aaa7029af91a368a5e90f16b
[INFO] running `"docker" "start" "-a" "4e406af9c8b20f93fc51202118f151fd296ae623aaa7029af91a368a5e90f16b"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling flamegraph v0.1.13 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `"docker" "inspect" "4e406af9c8b20f93fc51202118f151fd296ae623aaa7029af91a368a5e90f16b"`
[INFO] running `"docker" "rm" "-f" "4e406af9c8b20f93fc51202118f151fd296ae623aaa7029af91a368a5e90f16b"`
[INFO] [stdout] 4e406af9c8b20f93fc51202118f151fd296ae623aaa7029af91a368a5e90f16b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ferrous-systems/cargo-flamegraph:/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] 90614e2fee70ede83d93e5bf253ebff51e57575859723609092ea463d3475e4a
[INFO] running `"docker" "start" "-a" "90614e2fee70ede83d93e5bf253ebff51e57575859723609092ea463d3475e4a"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/flamegraph-bbc6b7c2efd5bd71
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cargo_flamegraph-723fd6368ef95079
[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-9fa4d8da541dd1f3
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests flamegraph
[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] [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" "90614e2fee70ede83d93e5bf253ebff51e57575859723609092ea463d3475e4a"`
[INFO] running `"docker" "rm" "-f" "90614e2fee70ede83d93e5bf253ebff51e57575859723609092ea463d3475e4a"`
[INFO] [stdout] 90614e2fee70ede83d93e5bf253ebff51e57575859723609092ea463d3475e4a