[INFO] crate flamegraph 0.2.0 is already in cache
[INFO] checking flamegraph-0.2.0 against try#8a5e87609850cdd8679aada01eb0f3062f254ca8 for pr-71140
[INFO] extracting crate flamegraph 0.2.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate flamegraph 0.2.0 on toolchain 8a5e87609850cdd8679aada01eb0f3062f254ca8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate flamegraph 0.2.0
[INFO] finished tweaking crates.io crate flamegraph 0.2.0
[INFO] tweaked toml for crates.io crate flamegraph 0.2.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate flamegraph 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e2da2d6f9c69c0f9a1f2fe7f24c96ba44444f23632d7d7baac7d247dcec3b71b
[INFO] running `"docker" "start" "-a" "e2da2d6f9c69c0f9a1f2fe7f24c96ba44444f23632d7d7baac7d247dcec3b71b"`
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking str_stack v0.1.0
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking quick-xml v0.16.1
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking signal-hook v0.1.12
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]    Compiling syn-mid v0.4.0
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]     Checking num-format v0.4.0
[INFO] [stderr]     Checking serde_json v1.0.45
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]     Checking chashmap v2.2.2
[INFO] [stderr]     Checking cargo_metadata v0.9.1
[INFO] [stderr]    Compiling proc-macro-error v0.4.5
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.5
[INFO] [stderr]    Compiling structopt-derive v0.4.1
[INFO] [stderr]     Checking structopt v0.3.8
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking inferno v0.9.1
[INFO] [stderr]     Checking flamegraph v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.01s
[INFO] running `"docker" "inspect" "e2da2d6f9c69c0f9a1f2fe7f24c96ba44444f23632d7d7baac7d247dcec3b71b"`
[INFO] running `"docker" "rm" "-f" "e2da2d6f9c69c0f9a1f2fe7f24c96ba44444f23632d7d7baac7d247dcec3b71b"`
[INFO] [stdout] e2da2d6f9c69c0f9a1f2fe7f24c96ba44444f23632d7d7baac7d247dcec3b71b