[INFO] cloning repository https://github.com/dirk/Mountain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dirk/Mountain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdirk%2FMountain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdirk%2FMountain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 964cc35268e8eb04f8c87adb429ad476e621cbaa
[INFO] checking dirk/Mountain against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdirk%2FMountain" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dirk/Mountain on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dirk/Mountain
[INFO] finished tweaking git repo https://github.com/dirk/Mountain
[INFO] tweaked toml for git repo https://github.com/dirk/Mountain written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/dirk/Mountain already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/servo/rust-freetype`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded servo-freetype-sys v4.0.3
[INFO] [stderr]   Downloaded cmake v0.1.20
[INFO] [stderr]   Downloaded serde v0.8.20
[INFO] [stderr]   Downloaded gcc v0.3.40
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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] df8185e3503ab074ea399e36afbcf22b8338d40ecc1aee090377063d10aaf488
[INFO] running `Command { std: "docker" "start" "-a" "df8185e3503ab074ea399e36afbcf22b8338d40ecc1aee090377063d10aaf488", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df8185e3503ab074ea399e36afbcf22b8338d40ecc1aee090377063d10aaf488", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df8185e3503ab074ea399e36afbcf22b8338d40ecc1aee090377063d10aaf488", kill_on_drop: false }`
[INFO] [stdout] df8185e3503ab074ea399e36afbcf22b8338d40ecc1aee090377063d10aaf488
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f59a4bf9f6be5fffa86f59e200fe8dbf8b64b4e4fa757473751f4be25d65119
[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" "4f59a4bf9f6be5fffa86f59e200fe8dbf8b64b4e4fa757473751f4be25d65119", kill_on_drop: false }`
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.3
[INFO] [stderr]     Checking freetype v0.1.3 (https://github.com/servo/rust-freetype?rev=26c523b#26c523bf)
[INFO] [stderr]     Checking mntn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `objc`
[INFO] [stdout]  --> src/main.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[macro_use] extern crate objc;
[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 `mntn`.
[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[E0463]: can't find crate for `objc`
[INFO] [stdout]  --> src/main.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[macro_use] extern crate objc;
[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" "4f59a4bf9f6be5fffa86f59e200fe8dbf8b64b4e4fa757473751f4be25d65119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f59a4bf9f6be5fffa86f59e200fe8dbf8b64b4e4fa757473751f4be25d65119", kill_on_drop: false }`
[INFO] [stdout] 4f59a4bf9f6be5fffa86f59e200fe8dbf8b64b4e4fa757473751f4be25d65119