[INFO] fetching crate rcgc 0.1.0...
[INFO] checking rcgc-0.1.0 against master#430feb24a46993e5073c1bb1b39da190d83fa2bf for pr-78363
[INFO] extracting crate rcgc 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rcgc 0.1.0 on toolchain 430feb24a46993e5073c1bb1b39da190d83fa2bf
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rcgc 0.1.0
[INFO] finished tweaking crates.io crate rcgc 0.1.0
[INFO] tweaked toml for crates.io crate rcgc 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d70c8c76f160d4d824638f6f6bb38d117ac40774fbb0647555679147338faa30
[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" "d70c8c76f160d4d824638f6f6bb38d117ac40774fbb0647555679147338faa30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d70c8c76f160d4d824638f6f6bb38d117ac40774fbb0647555679147338faa30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d70c8c76f160d4d824638f6f6bb38d117ac40774fbb0647555679147338faa30", kill_on_drop: false }`
[INFO] [stdout] d70c8c76f160d4d824638f6f6bb38d117ac40774fbb0647555679147338faa30
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60fc72a9730ab63fba2bfa1816a44d1ecd32fb27b1cc28edc6aebcf6b1034f15
[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" "60fc72a9730ab63fba2bfa1816a44d1ecd32fb27b1cc28edc6aebcf6b1034f15", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking regex-syntax v0.6.20
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking syn v0.11.11
[INFO] [stderr]     Checking pulldown-cmark v0.1.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking rcgc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking aho-corasick v0.7.14
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking version-sync v0.5.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.48s
[INFO] running `Command { std: "docker" "inspect" "60fc72a9730ab63fba2bfa1816a44d1ecd32fb27b1cc28edc6aebcf6b1034f15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60fc72a9730ab63fba2bfa1816a44d1ecd32fb27b1cc28edc6aebcf6b1034f15", kill_on_drop: false }`
[INFO] [stdout] 60fc72a9730ab63fba2bfa1816a44d1ecd32fb27b1cc28edc6aebcf6b1034f15