[INFO] fetching crate poly 0.1.0...
[INFO] checking poly-0.1.0 against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312
[INFO] extracting crate poly 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate poly 0.1.0 on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate poly 0.1.0
[INFO] finished tweaking crates.io crate poly 0.1.0
[INFO] tweaked toml for crates.io crate poly 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate poly 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "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] 856bf70324a409d47061db6e343f6d81c691b0039734ad620a7ed6a99585ba11
[INFO] running `Command { std: "docker" "start" "-a" "856bf70324a409d47061db6e343f6d81c691b0039734ad620a7ed6a99585ba11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "856bf70324a409d47061db6e343f6d81c691b0039734ad620a7ed6a99585ba11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "856bf70324a409d47061db6e343f6d81c691b0039734ad620a7ed6a99585ba11", kill_on_drop: false }`
[INFO] [stdout] 856bf70324a409d47061db6e343f6d81c691b0039734ad620a7ed6a99585ba11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "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] 4236db8177ec1b419a8cd0ea1abe663f0f54a9ff3943a586e3ae84c3c83ec7f7
[INFO] running `Command { std: "docker" "start" "-a" "4236db8177ec1b419a8cd0ea1abe663f0f54a9ff3943a586e3ae84c3c83ec7f7", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking num-integer v0.1.42
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking poly v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.87s
[INFO] running `Command { std: "docker" "inspect" "4236db8177ec1b419a8cd0ea1abe663f0f54a9ff3943a586e3ae84c3c83ec7f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4236db8177ec1b419a8cd0ea1abe663f0f54a9ff3943a586e3ae84c3c83ec7f7", kill_on_drop: false }`
[INFO] [stdout] 4236db8177ec1b419a8cd0ea1abe663f0f54a9ff3943a586e3ae84c3c83ec7f7