[INFO] cloning repository https://github.com/szunami/flamegraph-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/szunami/flamegraph-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fszunami%2Fflamegraph-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fszunami%2Fflamegraph-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2931399f4af9cf6fa819ee8bbad538fa573765d
[INFO] testing szunami/flamegraph-example against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fszunami%2Fflamegraph-example" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/szunami/flamegraph-example on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/szunami/flamegraph-example
[INFO] finished tweaking git repo https://github.com/szunami/flamegraph-example
[INFO] tweaked toml for git repo https://github.com/szunami/flamegraph-example written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/szunami/flamegraph-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded debugid v0.7.2
[INFO] [stderr]   Downloaded getrandom v0.2.0
[INFO] [stderr]   Downloaded pprof v0.3.18
[INFO] [stderr]   Downloaded const-random-macro v0.1.11
[INFO] [stderr]   Downloaded thiserror-impl v1.0.21
[INFO] [stderr]   Downloaded str_stack v0.1.0
[INFO] [stderr]   Downloaded bytemuck v1.4.1
[INFO] [stderr]   Downloaded const-random v0.1.11
[INFO] [stderr]   Downloaded quick-xml v0.19.0
[INFO] [stderr]   Downloaded cpp_demangle v0.3.1
[INFO] [stderr]   Downloaded rgb v0.8.25
[INFO] [stderr]   Downloaded num-format v0.4.0
[INFO] [stderr]   Downloaded inferno v0.10.1
[INFO] [stderr]   Downloaded symbolic-common v7.5.0
[INFO] [stderr]   Downloaded thiserror v1.0.21
[INFO] [stderr]   Downloaded symbolic-demangle v7.5.0
[INFO] [stderr]   Downloaded msvc-demangler v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06dfc7973576e73d0853f1ec51f16d4fc40cd4f9899219a189b74af85214e4e5
[INFO] running `Command { std: "docker" "start" "-a" "06dfc7973576e73d0853f1ec51f16d4fc40cd4f9899219a189b74af85214e4e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06dfc7973576e73d0853f1ec51f16d4fc40cd4f9899219a189b74af85214e4e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06dfc7973576e73d0853f1ec51f16d4fc40cd4f9899219a189b74af85214e4e5", kill_on_drop: false }`
[INFO] [stdout] 06dfc7973576e73d0853f1ec51f16d4fc40cd4f9899219a189b74af85214e4e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51dba50a48fb80bbce173977127f9ebd022ba198b1769cf41c68f46077c35d00
[INFO] running `Command { std: "docker" "start" "-a" "51dba50a48fb80bbce173977127f9ebd022ba198b1769cf41c68f46077c35d00", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.17
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling object v0.21.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling bytemuck v1.4.1
[INFO] [stderr]    Compiling smallvec v1.4.2
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling pprof v0.3.18
[INFO] [stderr]    Compiling str_stack v0.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling instant v0.1.7
[INFO] [stderr]    Compiling rgb v0.8.25
[INFO] [stderr]    Compiling lock_api v0.4.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling cpp_demangle v0.3.1
[INFO] [stderr]    Compiling debugid v0.7.2
[INFO] [stderr]    Compiling symbolic-demangle v7.5.0
[INFO] [stderr]    Compiling addr2line v0.13.0
[INFO] [stderr]    Compiling msvc-demangler v0.8.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling quick-xml v0.19.0
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling num-format v0.4.0
[INFO] [stderr]    Compiling backtrace v0.3.53
[INFO] [stderr]    Compiling parking_lot v0.11.0
[INFO] [stderr]    Compiling const-random-macro v0.1.11
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling const-random v0.1.11
[INFO] [stderr]    Compiling ahash v0.4.6
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling inferno v0.10.1
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling symbolic-common v7.5.0
[INFO] [stderr]    Compiling thiserror v1.0.21
[INFO] [stderr]    Compiling flamegraph-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 41s
[INFO] running `Command { std: "docker" "inspect" "51dba50a48fb80bbce173977127f9ebd022ba198b1769cf41c68f46077c35d00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51dba50a48fb80bbce173977127f9ebd022ba198b1769cf41c68f46077c35d00", kill_on_drop: false }`
[INFO] [stdout] 51dba50a48fb80bbce173977127f9ebd022ba198b1769cf41c68f46077c35d00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c099f4c676c92d52fc815fc8278344864b0557bf5842e71ee9951523f85646df
[INFO] running `Command { std: "docker" "start" "-a" "c099f4c676c92d52fc815fc8278344864b0557bf5842e71ee9951523f85646df", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling flamegraph-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.23s
[INFO] running `Command { std: "docker" "inspect" "c099f4c676c92d52fc815fc8278344864b0557bf5842e71ee9951523f85646df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c099f4c676c92d52fc815fc8278344864b0557bf5842e71ee9951523f85646df", kill_on_drop: false }`
[INFO] [stdout] c099f4c676c92d52fc815fc8278344864b0557bf5842e71ee9951523f85646df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ab93ffa24af3db40385a4b07804792bc6b4a0107f89c2c878b9524f609705065
[INFO] running `Command { std: "docker" "start" "-a" "ab93ffa24af3db40385a4b07804792bc6b4a0107f89c2c878b9524f609705065", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.78s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flamegraph_example-d91004717c46d83e)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ab93ffa24af3db40385a4b07804792bc6b4a0107f89c2c878b9524f609705065", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab93ffa24af3db40385a4b07804792bc6b4a0107f89c2c878b9524f609705065", kill_on_drop: false }`
[INFO] [stdout] ab93ffa24af3db40385a4b07804792bc6b4a0107f89c2c878b9524f609705065