[INFO] fetching crate loon 0.3.4...
[INFO] checking loon-0.3.4 against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] extracting crate loon 0.3.4 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate loon 0.3.4 on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate loon 0.3.4
[INFO] finished tweaking crates.io crate loon 0.3.4
[INFO] tweaked toml for crates.io crate loon 0.3.4 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4d1f0c9740d62a5a117873be7219049cbcd499a9ed06c3be291c5aa80518793
[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" "e4d1f0c9740d62a5a117873be7219049cbcd499a9ed06c3be291c5aa80518793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4d1f0c9740d62a5a117873be7219049cbcd499a9ed06c3be291c5aa80518793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4d1f0c9740d62a5a117873be7219049cbcd499a9ed06c3be291c5aa80518793", kill_on_drop: false }`
[INFO] [stdout] e4d1f0c9740d62a5a117873be7219049cbcd499a9ed06c3be291c5aa80518793
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b28c35e4021c4354e85b5db8160319c07506e4e541509fa9355b28be8b75f2c1
[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" "b28c35e4021c4354e85b5db8160319c07506e4e541509fa9355b28be8b75f2c1", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking strfmt v0.1.6
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking serde v1.0.112
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.19
[INFO] [stderr]     Checking serde_json v1.0.55
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking thiserror v1.0.19
[INFO] [stderr]     Checking loon v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.02s
[INFO] running `Command { std: "docker" "inspect" "b28c35e4021c4354e85b5db8160319c07506e4e541509fa9355b28be8b75f2c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b28c35e4021c4354e85b5db8160319c07506e4e541509fa9355b28be8b75f2c1", kill_on_drop: false }`
[INFO] [stdout] b28c35e4021c4354e85b5db8160319c07506e4e541509fa9355b28be8b75f2c1