[INFO] fetching crate components-arena 1.1.1...
[INFO] checking components-arena-1.1.1 against master#31ee872db5aae4750e3da1ca4ed1523c4356947f for pr-78461
[INFO] extracting crate components-arena 1.1.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate components-arena 1.1.1 on toolchain 31ee872db5aae4750e3da1ca4ed1523c4356947f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate components-arena 1.1.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate components-arena 1.1.1
[INFO] tweaked toml for crates.io crate components-arena 1.1.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate components-arena 1.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1e2e77d0617fe47a0a9a98e33bd3b579da608da3cbf417ad635a0ebeb86149d
[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" "d1e2e77d0617fe47a0a9a98e33bd3b579da608da3cbf417ad635a0ebeb86149d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1e2e77d0617fe47a0a9a98e33bd3b579da608da3cbf417ad635a0ebeb86149d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1e2e77d0617fe47a0a9a98e33bd3b579da608da3cbf417ad635a0ebeb86149d", kill_on_drop: false }`
[INFO] [stdout] d1e2e77d0617fe47a0a9a98e33bd3b579da608da3cbf417ad635a0ebeb86149d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 79cd35a595139ea7b9f2555e7f330140f080f5785a3151346c75f0868e4e8c52
[INFO] running `Command { std: "docker" "start" "-a" "79cd35a595139ea7b9f2555e7f330140f080f5785a3151346c75f0868e4e8c52", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking generics v0.2.5
[INFO] [stderr]     Checking macro-attr-2018 v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]    Compiling enum-ordinalize v3.1.8
[INFO] [stderr]    Compiling quickcheck_macros v0.9.1
[INFO] [stderr]    Compiling educe v0.4.13
[INFO] [stderr]     Checking phantom-type v0.3.0
[INFO] [stderr]     Checking components-arena v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.56s
[INFO] running `Command { std: "docker" "inspect" "79cd35a595139ea7b9f2555e7f330140f080f5785a3151346c75f0868e4e8c52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79cd35a595139ea7b9f2555e7f330140f080f5785a3151346c75f0868e4e8c52", kill_on_drop: false }`
[INFO] [stdout] 79cd35a595139ea7b9f2555e7f330140f080f5785a3151346c75f0868e4e8c52