[INFO] cloning repository https://github.com/projectasiago/mish
[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" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprojectasiago%2Fmish", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprojectasiago%2Fmish'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b1422184f7b24e98e03fcf23412f23885bbc1bdf
[INFO] checking projectasiago/mish against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprojectasiago%2Fmish" "/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/projectasiago/mish on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/projectasiago/mish
[INFO] finished tweaking git repo https://github.com/projectasiago/mish
[INFO] tweaked toml for git repo https://github.com/projectasiago/mish written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/projectasiago/mish already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf19200344983f7b66e0e24a0a733a978dedc64b2ad0e661958faffef1099586
[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" "cf19200344983f7b66e0e24a0a733a978dedc64b2ad0e661958faffef1099586", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf19200344983f7b66e0e24a0a733a978dedc64b2ad0e661958faffef1099586", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf19200344983f7b66e0e24a0a733a978dedc64b2ad0e661958faffef1099586", kill_on_drop: false }`
[INFO] [stdout] cf19200344983f7b66e0e24a0a733a978dedc64b2ad0e661958faffef1099586
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50f9b3a02aee0e841a31d267d6f569c4e0a247404bc30f34d38f163f40fc8cd9
[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" "50f9b3a02aee0e841a31d267d6f569c4e0a247404bc30f34d38f163f40fc8cd9", kill_on_drop: false }`
[INFO] [stderr]     Checking projectasiago_feta v0.1.0 (https://github.com/projectasiago/feta#53d4ed89)
[INFO] [stderr]     Checking nom v4.0.0-beta1
[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] [stderr] error: could not compile `projectasiago_feta`
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[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[E0635]: unknown feature `alloc`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nom-4.0.0-beta1/src/lib.rs:343:43
[INFO] [stdout]     |
[INFO] [stdout] 343 | #![cfg_attr(not(feature = "std"), feature(alloc))]
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "50f9b3a02aee0e841a31d267d6f569c4e0a247404bc30f34d38f163f40fc8cd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50f9b3a02aee0e841a31d267d6f569c4e0a247404bc30f34d38f163f40fc8cd9", kill_on_drop: false }`
[INFO] [stdout] 50f9b3a02aee0e841a31d267d6f569c4e0a247404bc30f34d38f163f40fc8cd9