[INFO] cloning repository https://github.com/projectasiago/feta
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/projectasiago/feta" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprojectasiago%2Ffeta", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprojectasiago%2Ffeta'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e81783e15392817b3124751efa8f6cbaada8439e
[INFO] testing projectasiago/feta against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprojectasiago%2Ffeta" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/projectasiago/feta on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/projectasiago/feta
[INFO] finished tweaking git repo https://github.com/projectasiago/feta
[INFO] tweaked toml for git repo https://github.com/projectasiago/feta written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/projectasiago/feta already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 234a1a8960343941112fb393f79af6be9d8b29deea396e2aee1f78a85d904077
[INFO] running `Command { std: "docker" "start" "-a" "234a1a8960343941112fb393f79af6be9d8b29deea396e2aee1f78a85d904077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "234a1a8960343941112fb393f79af6be9d8b29deea396e2aee1f78a85d904077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "234a1a8960343941112fb393f79af6be9d8b29deea396e2aee1f78a85d904077", kill_on_drop: false }`
[INFO] [stdout] 234a1a8960343941112fb393f79af6be9d8b29deea396e2aee1f78a85d904077
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d1198df365d97d9cffd16c7ed1836064b33b481d8a7ddd8d42a187e696959cf
[INFO] running `Command { std: "docker" "start" "-a" "7d1198df365d97d9cffd16c7ed1836064b33b481d8a7ddd8d42a187e696959cf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling projectasiago_feta v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0635]: unknown feature `compiler_builtins_lib`
[INFO] [stdout]  --> 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` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "7d1198df365d97d9cffd16c7ed1836064b33b481d8a7ddd8d42a187e696959cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d1198df365d97d9cffd16c7ed1836064b33b481d8a7ddd8d42a187e696959cf", kill_on_drop: false }`
[INFO] [stdout] 7d1198df365d97d9cffd16c7ed1836064b33b481d8a7ddd8d42a187e696959cf