[INFO] cloning repository https://github.com/jacobrosenthal/rust-smc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jacobrosenthal/rust-smc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacobrosenthal%2Frust-smc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacobrosenthal%2Frust-smc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 976d7f53cc71710839ec7559992424129ed03cc4
[INFO] checking jacobrosenthal/rust-smc against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacobrosenthal%2Frust-smc" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jacobrosenthal/rust-smc 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 git repo https://github.com/jacobrosenthal/rust-smc
[INFO] finished tweaking git repo https://github.com/jacobrosenthal/rust-smc
[INFO] tweaked toml for git repo https://github.com/jacobrosenthal/rust-smc written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/jacobrosenthal/rust-smc already has a lockfile, it will not be regenerated
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded CoreFoundation-sys v0.1.4
[INFO] [stderr]   Downloaded structopt v0.2.14
[INFO] [stderr]   Downloaded IOKit-sys v0.1.5
[INFO] [stderr]   Downloaded syn v0.15.18
[INFO] [stderr]   Downloaded mach v0.1.2
[INFO] [stderr]   Downloaded structopt-derive v0.2.14
[INFO] [stderr]   Downloaded strum v0.11.0
[INFO] [stderr]   Downloaded strum_macros v0.11.0
[INFO] [stderr]   Downloaded proc-macro2 v0.4.21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9952618668c560f9d80067c7a99b8ca97d3fdc4b8260b54048a96babcbbb32f2
[INFO] running `Command { std: "docker" "start" "-a" "9952618668c560f9d80067c7a99b8ca97d3fdc4b8260b54048a96babcbbb32f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9952618668c560f9d80067c7a99b8ca97d3fdc4b8260b54048a96babcbbb32f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9952618668c560f9d80067c7a99b8ca97d3fdc4b8260b54048a96babcbbb32f2", kill_on_drop: false }`
[INFO] [stdout] 9952618668c560f9d80067c7a99b8ca97d3fdc4b8260b54048a96babcbbb32f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] e941b7a0c6995fc62118268450a0e66979f6b14e0d63a67b1c76db8254dcbab3
[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" "e941b7a0c6995fc62118268450a0e66979f6b14e0d63a67b1c76db8254dcbab3", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling CoreFoundation-sys v0.1.4
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]    Compiling IOKit-sys v0.1.5
[INFO] [stderr]     Checking strum v0.11.0
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking mach v0.1.2
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.21
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling heck v0.3.0
[INFO] [stdout] error: native frameworks are only available on macOS targets
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `CoreFoundation-sys`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e941b7a0c6995fc62118268450a0e66979f6b14e0d63a67b1c76db8254dcbab3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e941b7a0c6995fc62118268450a0e66979f6b14e0d63a67b1c76db8254dcbab3", kill_on_drop: false }`
[INFO] [stdout] e941b7a0c6995fc62118268450a0e66979f6b14e0d63a67b1c76db8254dcbab3