[INFO] fetching crate flamegraph 0.1.13...
[INFO] checking flamegraph-0.1.13 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate flamegraph 0.1.13 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate flamegraph 0.1.13 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate flamegraph 0.1.13
[INFO] finished tweaking crates.io crate flamegraph 0.1.13
[INFO] tweaked toml for crates.io crate flamegraph 0.1.13 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ed3e2c145125d766d9693d10dda1be62ee5d730fe914eec1142fa31898240180
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "ed3e2c145125d766d9693d10dda1be62ee5d730fe914eec1142fa31898240180"`
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking str_stack v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking quick-xml v0.13.3
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking num-format v0.4.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking cargo_metadata v0.7.4
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking inferno v0.4.1
[INFO] [stderr]     Checking flamegraph v0.1.13 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.24s
[INFO] running `"docker" "inspect" "ed3e2c145125d766d9693d10dda1be62ee5d730fe914eec1142fa31898240180"`
[INFO] running `"docker" "rm" "-f" "ed3e2c145125d766d9693d10dda1be62ee5d730fe914eec1142fa31898240180"`
[INFO] [stdout] ed3e2c145125d766d9693d10dda1be62ee5d730fe914eec1142fa31898240180