[INFO] fetching crate metl 0.0.0...
[INFO] checking metl-0.0.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate metl 0.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate metl 0.0.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate metl 0.0.0
[INFO] removed path dependency metal-sys from crates.io crate metl 0.0.0
[INFO] finished tweaking crates.io crate metl 0.0.0
[INFO] tweaked toml for crates.io crate metl 0.0.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded objc v0.1.8
[INFO] [stderr]   Downloaded cocoa v0.2.5
[INFO] [stderr]   Downloaded metal-sys v0.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] a12be90799e7ae7b7d4013d68c1ea830ff005273eab89d145225a76c2a52ba13
[INFO] running `Command { std: "docker" "start" "-a" "a12be90799e7ae7b7d4013d68c1ea830ff005273eab89d145225a76c2a52ba13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a12be90799e7ae7b7d4013d68c1ea830ff005273eab89d145225a76c2a52ba13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a12be90799e7ae7b7d4013d68c1ea830ff005273eab89d145225a76c2a52ba13", kill_on_drop: false }`
[INFO] [stdout] a12be90799e7ae7b7d4013d68c1ea830ff005273eab89d145225a76c2a52ba13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c80efcb5ad1c45620b7aa957d5e5c39cef502c67a882cb6057ca35fa319a70b
[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" "2c80efcb5ad1c45620b7aa957d5e5c39cef502c67a882cb6057ca35fa319a70b", kill_on_drop: false }`
[INFO] [stderr]    Compiling core-foundation-sys v0.2.3
[INFO] [stderr]    Compiling core-foundation-sys v0.8.1
[INFO] [stderr]     Checking serde v0.7.15
[INFO] [stderr]     Checking bitflags v0.3.3
[INFO] [stderr]     Checking metal-sys v0.0.0
[INFO] [stderr]     Checking malloc_buf v0.0.6
[INFO] [stdout] error[E0463]: can't find crate for `bitflags`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/metal-sys-0.0.0/src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern crate bitflags;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `metal-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" "2c80efcb5ad1c45620b7aa957d5e5c39cef502c67a882cb6057ca35fa319a70b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c80efcb5ad1c45620b7aa957d5e5c39cef502c67a882cb6057ca35fa319a70b", kill_on_drop: false }`
[INFO] [stdout] 2c80efcb5ad1c45620b7aa957d5e5c39cef502c67a882cb6057ca35fa319a70b