[INFO] fetching crate flamegraph 0.6.1...
[INFO] testing flamegraph-0.6.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate flamegraph 0.6.1 into /workspace/builds/worker-55/source
[INFO] validating manifest of crates.io crate flamegraph 0.6.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flamegraph 0.6.1
[INFO] finished tweaking crates.io crate flamegraph 0.6.1
[INFO] tweaked toml for crates.io crate flamegraph 0.6.1 written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] crate crates.io crate flamegraph 0.6.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded opener v0.5.0
[INFO] [stderr]   Downloaded inferno v0.11.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7eb16e1d8abaed7f3edc99b7276a49847ef089a6ae7e4b859d5e93e0f337c535
[INFO] running `Command { std: "docker" "start" "-a" "7eb16e1d8abaed7f3edc99b7276a49847ef089a6ae7e4b859d5e93e0f337c535", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7eb16e1d8abaed7f3edc99b7276a49847ef089a6ae7e4b859d5e93e0f337c535", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eb16e1d8abaed7f3edc99b7276a49847ef089a6ae7e4b859d5e93e0f337c535", kill_on_drop: false }`
[INFO] [stdout] 7eb16e1d8abaed7f3edc99b7276a49847ef089a6ae7e4b859d5e93e0f337c535
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a642f0aa919a457c1be41df697b42790c2520ed6fd631d9c96e0e229dc0e15e6
[INFO] running `Command { std: "docker" "start" "-a" "a642f0aa919a457c1be41df697b42790c2520ed6fd631d9c96e0e229dc0e15e6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling camino v1.0.7
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling semver v1.0.6
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]    Compiling once_cell v1.10.0
[INFO] [stderr]    Compiling bytemuck v1.8.0
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling str_stack v0.1.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling lock_api v0.4.6
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling rgb v0.8.32
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling quick-xml v0.22.0
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling num-format v0.4.0
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling opener v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.12.0
[INFO] [stderr]    Compiling dashmap v5.2.0
[INFO] [stderr]    Compiling inferno v0.11.1
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling clap_derive v3.1.4
[INFO] [stderr]    Compiling clap v3.1.6
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling clap_complete v3.1.1
[INFO] [stderr]    Compiling cargo-platform v0.1.2
[INFO] [stderr]    Compiling cargo_metadata v0.14.2
[INFO] [stderr]    Compiling flamegraph v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.71s
[INFO] running `Command { std: "docker" "inspect" "a642f0aa919a457c1be41df697b42790c2520ed6fd631d9c96e0e229dc0e15e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a642f0aa919a457c1be41df697b42790c2520ed6fd631d9c96e0e229dc0e15e6", kill_on_drop: false }`
[INFO] [stdout] a642f0aa919a457c1be41df697b42790c2520ed6fd631d9c96e0e229dc0e15e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efc6f9ddcdb56cc5dd4cd414cda7f26b23a4b9bf428eabb06fb559f8becf9976
[INFO] running `Command { std: "docker" "start" "-a" "efc6f9ddcdb56cc5dd4cd414cda7f26b23a4b9bf428eabb06fb559f8becf9976", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling flamegraph v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "efc6f9ddcdb56cc5dd4cd414cda7f26b23a4b9bf428eabb06fb559f8becf9976", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efc6f9ddcdb56cc5dd4cd414cda7f26b23a4b9bf428eabb06fb559f8becf9976", kill_on_drop: false }`
[INFO] [stdout] efc6f9ddcdb56cc5dd4cd414cda7f26b23a4b9bf428eabb06fb559f8becf9976
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2f485c9e40be280c7426c11a289526ba1cb24bc5bf20e7fb157cf22de15879b3
[INFO] running `Command { std: "docker" "start" "-a" "2f485c9e40be280c7426c11a289526ba1cb24bc5bf20e7fb157cf22de15879b3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flamegraph-427899564ba28b0b)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cargo_flamegraph-e7f8c6e65c7a310f)
[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] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flamegraph-5cba03788c0e8e4e)
[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] [stdout] 
[INFO] [stderr]    Doc-tests flamegraph
[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] [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" "2f485c9e40be280c7426c11a289526ba1cb24bc5bf20e7fb157cf22de15879b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f485c9e40be280c7426c11a289526ba1cb24bc5bf20e7fb157cf22de15879b3", kill_on_drop: false }`
[INFO] [stdout] 2f485c9e40be280c7426c11a289526ba1cb24bc5bf20e7fb157cf22de15879b3