[INFO] fetching crate linked_list_allocator 0.8.6...
[INFO] checking linked_list_allocator-0.8.6 against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015
[INFO] extracting crate linked_list_allocator 0.8.6 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate linked_list_allocator 0.8.6 on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate linked_list_allocator 0.8.6
[INFO] finished tweaking crates.io crate linked_list_allocator 0.8.6
[INFO] tweaked toml for crates.io crate linked_list_allocator 0.8.6 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "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] bcfad201c9292ee039263c23c5ed771275b53915ff524b2955abddb96424d4ee
[INFO] running `Command { std: "docker" "start" "-a" "bcfad201c9292ee039263c23c5ed771275b53915ff524b2955abddb96424d4ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcfad201c9292ee039263c23c5ed771275b53915ff524b2955abddb96424d4ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcfad201c9292ee039263c23c5ed771275b53915ff524b2955abddb96424d4ee", kill_on_drop: false }`
[INFO] [stdout] bcfad201c9292ee039263c23c5ed771275b53915ff524b2955abddb96424d4ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7812b008c37a88cd75f4073f19db6ab7f136a0ebbf059a82ddcabd0f97be2263
[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" "7812b008c37a88cd75f4073f19db6ab7f136a0ebbf059a82ddcabd0f97be2263", kill_on_drop: false }`
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking spinning_top v0.1.1
[INFO] [stderr]     Checking linked_list_allocator v0.8.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "7812b008c37a88cd75f4073f19db6ab7f136a0ebbf059a82ddcabd0f97be2263", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7812b008c37a88cd75f4073f19db6ab7f136a0ebbf059a82ddcabd0f97be2263", kill_on_drop: false }`
[INFO] [stdout] 7812b008c37a88cd75f4073f19db6ab7f136a0ebbf059a82ddcabd0f97be2263