[INFO] fetching crate mirai 0.0.4...
[INFO] checking mirai-0.0.4 against master#430feb24a46993e5073c1bb1b39da190d83fa2bf for pr-78363
[INFO] extracting crate mirai 0.0.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate mirai 0.0.4 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 mirai 0.0.4
[INFO] finished tweaking crates.io crate mirai 0.0.4
[INFO] tweaked toml for crates.io crate mirai 0.0.4 written to /workspace/builds/worker-6/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] [stderr]     Blocking waiting for file lock on package cache
[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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] b484742e0df922e49dfa222e81d6b8fa202d998cd7a7480b9bebee08d144bb70
[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" "b484742e0df922e49dfa222e81d6b8fa202d998cd7a7480b9bebee08d144bb70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b484742e0df922e49dfa222e81d6b8fa202d998cd7a7480b9bebee08d144bb70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b484742e0df922e49dfa222e81d6b8fa202d998cd7a7480b9bebee08d144bb70", kill_on_drop: false }`
[INFO] [stdout] b484742e0df922e49dfa222e81d6b8fa202d998cd7a7480b9bebee08d144bb70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 8744cdcf8da9dfd755dd4c5373f1854cf56633bc94c5734342ea96fd9a24f49b
[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" "8744cdcf8da9dfd755dd4c5373f1854cf56633bc94c5734342ea96fd9a24f49b", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking futures-sink v0.3.7
[INFO] [stderr]     Checking futures-core v0.3.7
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking futures-io v0.3.7
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking sharded-slab v0.1.0
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking futures-channel v0.3.7
[INFO] [stderr]     Checking futures-task v0.3.7
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking mio v0.7.4
[INFO] [stderr]     Checking futures-util v0.3.7
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking tracing-subscriber v0.2.14
[INFO] [stderr]     Checking futures-executor v0.3.7
[INFO] [stderr]     Checking futures v0.3.7
[INFO] [stderr]     Checking mirai v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.84s
[INFO] running `Command { std: "docker" "inspect" "8744cdcf8da9dfd755dd4c5373f1854cf56633bc94c5734342ea96fd9a24f49b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8744cdcf8da9dfd755dd4c5373f1854cf56633bc94c5734342ea96fd9a24f49b", kill_on_drop: false }`
[INFO] [stdout] 8744cdcf8da9dfd755dd4c5373f1854cf56633bc94c5734342ea96fd9a24f49b