[INFO] fetching crate firestorm 0.3.0...
[INFO] checking firestorm-0.3.0 against try#0ab79c4b48ad19260fa46623f452c1b403a360e8 for pr-74315
[INFO] extracting crate firestorm 0.3.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate firestorm 0.3.0 on toolchain 0ab79c4b48ad19260fa46623f452c1b403a360e8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate firestorm 0.3.0
[INFO] finished tweaking crates.io crate firestorm 0.3.0
[INFO] tweaked toml for crates.io crate firestorm 0.3.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded firestorm-core v0.1.0
[INFO] [stderr]   Downloaded thread-priority v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "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] 62cd9cf091bade1c9bf5eb99c8fe89cd735d9141993d4cebf59109ae46de639d
[INFO] running `Command { std: "docker" "start" "-a" "62cd9cf091bade1c9bf5eb99c8fe89cd735d9141993d4cebf59109ae46de639d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62cd9cf091bade1c9bf5eb99c8fe89cd735d9141993d4cebf59109ae46de639d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62cd9cf091bade1c9bf5eb99c8fe89cd735d9141993d4cebf59109ae46de639d", kill_on_drop: false }`
[INFO] [stdout] 62cd9cf091bade1c9bf5eb99c8fe89cd735d9141993d4cebf59109ae46de639d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a79e2e295401df48e9f47d736068e20635ee13166712665363bab5b654e92cb6
[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" "a79e2e295401df48e9f47d736068e20635ee13166712665363bab5b654e92cb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]     Checking oorandom v11.1.2
[INFO] [stderr]     Checking firestorm v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking thread-priority v0.2.0
[INFO] [stderr]     Checking core_affinity v0.5.10
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.81s
[INFO] running `Command { std: "docker" "inspect" "a79e2e295401df48e9f47d736068e20635ee13166712665363bab5b654e92cb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a79e2e295401df48e9f47d736068e20635ee13166712665363bab5b654e92cb6", kill_on_drop: false }`
[INFO] [stdout] a79e2e295401df48e9f47d736068e20635ee13166712665363bab5b654e92cb6