[INFO] cloning repository https://github.com/projectasiago/mish-linux
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/projectasiago/mish-linux" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprojectasiago%2Fmish-linux", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprojectasiago%2Fmish-linux'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f4e0db9463c60698359abd591196a38461ef567c
[INFO] checking projectasiago/mish-linux against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprojectasiago%2Fmish-linux" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/projectasiago/mish-linux on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/projectasiago/mish-linux
[INFO] finished tweaking git repo https://github.com/projectasiago/mish-linux
[INFO] tweaked toml for git repo https://github.com/projectasiago/mish-linux written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/projectasiago/mish-linux already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f121e0ee39d162faaf2669f6ec78ff8467bf671df4e2480b9bc0998946c79241
[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" "f121e0ee39d162faaf2669f6ec78ff8467bf671df4e2480b9bc0998946c79241", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f121e0ee39d162faaf2669f6ec78ff8467bf671df4e2480b9bc0998946c79241", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f121e0ee39d162faaf2669f6ec78ff8467bf671df4e2480b9bc0998946c79241", kill_on_drop: false }`
[INFO] [stdout] f121e0ee39d162faaf2669f6ec78ff8467bf671df4e2480b9bc0998946c79241
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5c9a88536eb10dd54ac4c1e5980d705610383ec16b3cf6a5ffae0995ca4fa3f
[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" "b5c9a88536eb10dd54ac4c1e5980d705610383ec16b3cf6a5ffae0995ca4fa3f", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking projectasiago_feta v0.1.0 (https://github.com/projectasiago/feta#53d4ed89)
[INFO] [stdout] error[E0635]: unknown feature `compiler_builtins_lib`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/feta-afa82b42041af3d2/53d4ed8/src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(compiler_builtins_lib)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[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 E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `projectasiago_feta`
[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" "b5c9a88536eb10dd54ac4c1e5980d705610383ec16b3cf6a5ffae0995ca4fa3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5c9a88536eb10dd54ac4c1e5980d705610383ec16b3cf6a5ffae0995ca4fa3f", kill_on_drop: false }`
[INFO] [stdout] b5c9a88536eb10dd54ac4c1e5980d705610383ec16b3cf6a5ffae0995ca4fa3f