[INFO] fetching crate firestorm-enabled 0.4.2...
[INFO] checking firestorm-enabled-0.4.2 against try#99a443d6903f71d521237d8acb5a3016b534d17b for pr-83354
[INFO] extracting crate firestorm-enabled 0.4.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate firestorm-enabled 0.4.2 on toolchain 99a443d6903f71d521237d8acb5a3016b534d17b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate firestorm-enabled 0.4.2
[INFO] finished tweaking crates.io crate firestorm-enabled 0.4.2
[INFO] tweaked toml for crates.io crate firestorm-enabled 0.4.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded amd64_timer v1.3.0
[INFO] [stderr]   Downloaded firestorm-core v0.1.1
[INFO] [stderr]   Downloaded inferno v0.10.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ef3e2fc70f56ff521dffa1195c08ccc87b79d3f7a99008cdfd07aa9d8b5b2aef
[INFO] running `Command { std: "docker" "start" "-a" "ef3e2fc70f56ff521dffa1195c08ccc87b79d3f7a99008cdfd07aa9d8b5b2aef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef3e2fc70f56ff521dffa1195c08ccc87b79d3f7a99008cdfd07aa9d8b5b2aef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef3e2fc70f56ff521dffa1195c08ccc87b79d3f7a99008cdfd07aa9d8b5b2aef", kill_on_drop: false }`
[INFO] [stdout] ef3e2fc70f56ff521dffa1195c08ccc87b79d3f7a99008cdfd07aa9d8b5b2aef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d149f5099385967d97d33ea21ac112fd74d15677235c6fbeea634479c1cbc9ae
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d149f5099385967d97d33ea21ac112fd74d15677235c6fbeea634479c1cbc9ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking bytemuck v1.5.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking str_stack v0.1.0
[INFO] [stderr]     Checking firestorm-core v0.1.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling ahash v0.6.3
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rgb v0.8.27
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking quick-xml v0.20.0
[INFO] [stderr]     Checking num-format v0.4.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling const-random-macro v0.1.13
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.65
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking const-random v0.1.13
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking dashmap v3.11.10
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking inferno v0.10.3
[INFO] [stderr]     Checking firestorm-enabled v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.01s
[INFO] running `Command { std: "docker" "inspect" "d149f5099385967d97d33ea21ac112fd74d15677235c6fbeea634479c1cbc9ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d149f5099385967d97d33ea21ac112fd74d15677235c6fbeea634479c1cbc9ae", kill_on_drop: false }`
[INFO] [stdout] d149f5099385967d97d33ea21ac112fd74d15677235c6fbeea634479c1cbc9ae