[INFO] fetching crate x11nas 2.19.1...
[INFO] checking x11nas-2.19.1 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate x11nas 2.19.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate x11nas 2.19.1 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate x11nas 2.19.1
[INFO] finished tweaking crates.io crate x11nas 2.19.1
[INFO] tweaked toml for crates.io crate x11nas 2.19.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate x11nas 2.19.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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] 3a407868cb091841822cf5b41173e5e14421cf6af0bfade3a762afd965955bf4
[INFO] running `Command { std: "docker" "start" "-a" "3a407868cb091841822cf5b41173e5e14421cf6af0bfade3a762afd965955bf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a407868cb091841822cf5b41173e5e14421cf6af0bfade3a762afd965955bf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a407868cb091841822cf5b41173e5e14421cf6af0bfade3a762afd965955bf4", kill_on_drop: false }`
[INFO] [stdout] 3a407868cb091841822cf5b41173e5e14421cf6af0bfade3a762afd965955bf4
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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] 80d489eb6dd5964a0af5ccdb86cd35e414a78c73ba93345831a65790abe47890
[INFO] running `Command { std: "docker" "start" "-a" "80d489eb6dd5964a0af5ccdb86cd35e414a78c73ba93345831a65790abe47890", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling x11nas v2.19.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `x11`
[INFO] [stdout]  --> examples/hello-world.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | extern crate x11;
[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] [stdout] error[E0463]: can't find crate for `x11`
[INFO] [stdout]   --> examples/input.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | extern crate x11;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `x11nas`
[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] [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] [stdout] error[E0463]: can't find crate for `x11`
[INFO] [stdout]  --> examples/xrecord.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | extern crate x11;
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "80d489eb6dd5964a0af5ccdb86cd35e414a78c73ba93345831a65790abe47890", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80d489eb6dd5964a0af5ccdb86cd35e414a78c73ba93345831a65790abe47890", kill_on_drop: false }`
[INFO] [stdout] 80d489eb6dd5964a0af5ccdb86cd35e414a78c73ba93345831a65790abe47890