[INFO] fetching crate symbolic-demangle 8.0.2...
[INFO] checking symbolic-demangle-8.0.2 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate symbolic-demangle 8.0.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate symbolic-demangle 8.0.2 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate symbolic-demangle 8.0.2
[INFO] finished tweaking crates.io crate symbolic-demangle 8.0.2
[INFO] tweaked toml for crates.io crate symbolic-demangle 8.0.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f9fa8cb043f4c049ba93b6ef4f6a7fecef0df6cdd9e29bc26c4e34ca7ace91c
[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" "4f9fa8cb043f4c049ba93b6ef4f6a7fecef0df6cdd9e29bc26c4e34ca7ace91c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f9fa8cb043f4c049ba93b6ef4f6a7fecef0df6cdd9e29bc26c4e34ca7ace91c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f9fa8cb043f4c049ba93b6ef4f6a7fecef0df6cdd9e29bc26c4e34ca7ace91c", kill_on_drop: false }`
[INFO] [stdout] 4f9fa8cb043f4c049ba93b6ef4f6a7fecef0df6cdd9e29bc26c4e34ca7ace91c
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "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] 28b4d1366d78cfb5e74942461abd35bc2eb93c0bb79ee6a7ac63cae9f0b4f2ba
[INFO] running `Command { std: "docker" "start" "-a" "28b4d1366d78cfb5e74942461abd35bc2eb93c0bb79ee6a7ac63cae9f0b4f2ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling cpp_demangle v0.3.2
[INFO] [stderr]    Compiling symbolic-demangle v8.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking debugid v0.7.2
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking msvc-demangler v0.8.0
[INFO] [stderr]     Checking symbolic-common v8.0.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.20s
[INFO] running `Command { std: "docker" "inspect" "28b4d1366d78cfb5e74942461abd35bc2eb93c0bb79ee6a7ac63cae9f0b4f2ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28b4d1366d78cfb5e74942461abd35bc2eb93c0bb79ee6a7ac63cae9f0b4f2ba", kill_on_drop: false }`
[INFO] [stdout] 28b4d1366d78cfb5e74942461abd35bc2eb93c0bb79ee6a7ac63cae9f0b4f2ba