[INFO] cloning repository https://github.com/limeyteam/cherrykernel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/limeyteam/cherrykernel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flimeyteam%2Fcherrykernel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flimeyteam%2Fcherrykernel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 598e40c5284214ef34967669b5fdd42157b6c12c
[INFO] testing limeyteam/cherrykernel against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flimeyteam%2Fcherrykernel" "/workspace/builds/worker-108/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-108/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/limeyteam/cherrykernel on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-108/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-108/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/limeyteam/cherrykernel
[INFO] finished tweaking git repo https://github.com/limeyteam/cherrykernel
[INFO] tweaked toml for git repo https://github.com/limeyteam/cherrykernel written to /workspace/builds/worker-108/source/Cargo.toml
[INFO] crate git repo https://github.com/limeyteam/cherrykernel already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded paste v1.0.5
[INFO] [stderr]   Downloaded volatile v0.2.7
[INFO] [stderr]   Downloaded conquer-once v0.3.2
[INFO] [stderr]   Downloaded bootloader-locator v0.0.4
[INFO] [stderr]   Downloaded conquer-util v0.3.0
[INFO] [stderr]   Downloaded pic8259 v0.10.1
[INFO] [stderr]   Downloaded volatile v0.4.4
[INFO] [stderr]   Downloaded x86_64 v0.14.4
[INFO] [stderr]   Downloaded bit v0.1.1
[INFO] [stderr]   Downloaded spinning_top v0.2.4
[INFO] [stderr]   Downloaded raw-cpuid v9.1.1
[INFO] [stderr]   Downloaded json v0.12.4
[INFO] [stderr]   Downloaded linked_list_allocator v0.9.0
[INFO] [stderr]   Downloaded uart_16550 v0.2.15
[INFO] [stderr]   Downloaded pc-keyboard v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec6284ea3e67fee05b3b4e6f6e04d3f68caededde18cbebc23fb320b77f18919
[INFO] running `Command { std: "docker" "start" "-a" "ec6284ea3e67fee05b3b4e6f6e04d3f68caededde18cbebc23fb320b77f18919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec6284ea3e67fee05b3b4e6f6e04d3f68caededde18cbebc23fb320b77f18919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec6284ea3e67fee05b3b4e6f6e04d3f68caededde18cbebc23fb320b77f18919", kill_on_drop: false }`
[INFO] [stdout] ec6284ea3e67fee05b3b4e6f6e04d3f68caededde18cbebc23fb320b77f18919
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2dcee974fa3bfa527c9faed7dbf42dbba335dbdae063691894bb254c923a31da
[INFO] running `Command { std: "docker" "start" "-a" "2dcee974fa3bfa527c9faed7dbf42dbba335dbdae063691894bb254c923a31da", kill_on_drop: false }`
[INFO] [stderr]    Compiling x86_64 v0.14.4
[INFO] [stderr]    Compiling bit_field v0.9.0
[INFO] [stderr]    Compiling volatile v0.4.4
[INFO] [stderr]    Compiling bootloader v0.10.7 (https://github.com/rust-osdev/bootloader#865481e9)
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling bit v0.1.1
[INFO] [stderr]    Compiling conquer-util v0.3.0
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling volatile v0.2.7
[INFO] [stderr]    Compiling pc-keyboard v0.5.1
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling raw-cpuid v9.1.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lock_api-0.4.4/src/lib.rs:91:34
[INFO] [stdout]    |
[INFO] [stdout] 91 | #![cfg_attr(feature = "nightly", feature(const_fn_trait_bound))]
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling conquer-once v0.3.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lock_api` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2dcee974fa3bfa527c9faed7dbf42dbba335dbdae063691894bb254c923a31da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dcee974fa3bfa527c9faed7dbf42dbba335dbdae063691894bb254c923a31da", kill_on_drop: false }`
[INFO] [stdout] 2dcee974fa3bfa527c9faed7dbf42dbba335dbdae063691894bb254c923a31da