[INFO] cloning repository https://github.com/jonlamb-gh/ferros-sabrelite-toy-system
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonlamb-gh/ferros-sabrelite-toy-system" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonlamb-gh%2Fferros-sabrelite-toy-system", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonlamb-gh%2Fferros-sabrelite-toy-system'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c6b69f5f007b445d0fde3bdf8a03c7b8fce22da
[INFO] testing jonlamb-gh/ferros-sabrelite-toy-system against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonlamb-gh%2Fferros-sabrelite-toy-system" "/workspace/builds/worker-112/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-112/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jonlamb-gh/ferros-sabrelite-toy-system on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-112/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-112/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/jonlamb-gh/ferros-sabrelite-toy-system
[INFO] finished tweaking git repo https://github.com/jonlamb-gh/ferros-sabrelite-toy-system
[INFO] tweaked toml for git repo https://github.com/jonlamb-gh/ferros-sabrelite-toy-system written to /workspace/builds/worker-112/source/Cargo.toml
[INFO] crate git repo https://github.com/jonlamb-gh/ferros-sabrelite-toy-system already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/auxoncorp/ferros.git`
[INFO] [stderr]     Updating git repository `https://github.com/auxoncorp/bounded-registers.git`
[INFO] [stderr]     Updating git repository `https://github.com/auxoncorp/selfe-sys`
[INFO] [stderr]     Updating git repository `https://github.com/tock/tock.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded siphasher v0.3.7
[INFO] [stderr]   Downloaded num-rational v0.4.0
[INFO] [stderr]   Downloaded libc v0.2.105
[INFO] [stderr]   Downloaded num v0.4.0
[INFO] [stderr]   Downloaded managed v0.7.2
[INFO] [stderr]   Downloaded zero v0.1.2
[INFO] [stderr]   Downloaded xmas-elf v0.7.0
[INFO] [stderr]   Downloaded cexpr v0.3.6
[INFO] [stderr]   Downloaded smoltcp v0.7.5
[INFO] [stderr]   Downloaded clang-sys v0.28.1
[INFO] [stderr]   Downloaded array-init v2.0.0
[INFO] [stderr]   Downloaded num-complex v0.4.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.30
[INFO] [stderr]   Downloaded bindgen v0.52.0
[INFO] [stderr]   Downloaded nom v4.2.3
[INFO] [stderr]   Downloaded pdqsort v1.0.3
[INFO] [stderr]   Downloaded menu v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed30aa9bd76b8f33671e7f41c1aaeb9a35e43d4fdc523c41fefdbee5bba4d851
[INFO] running `Command { std: "docker" "start" "-a" "ed30aa9bd76b8f33671e7f41c1aaeb9a35e43d4fdc523c41fefdbee5bba4d851", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed30aa9bd76b8f33671e7f41c1aaeb9a35e43d4fdc523c41fefdbee5bba4d851", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed30aa9bd76b8f33671e7f41c1aaeb9a35e43d4fdc523c41fefdbee5bba4d851", kill_on_drop: false }`
[INFO] [stdout] ed30aa9bd76b8f33671e7f41c1aaeb9a35e43d4fdc523c41fefdbee5bba4d851
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f8ae64dea2458eb46d0b722bcd3318d9623e68b6e1419d4f0979c2b279fc2c6
[INFO] running `Command { std: "docker" "start" "-a" "0f8ae64dea2458eb46d0b722bcd3318d9623e68b6e1419d4f0979c2b279fc2c6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling libc v0.2.105
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling bindgen v0.52.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling zero v0.1.2
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling pdqsort v1.0.3
[INFO] [stderr]    Compiling cross_queue v0.1.0 (https://github.com/auxoncorp/ferros.git#e26f2bc9)
[INFO] [stderr]    Compiling debug-logger v0.1.0 (/opt/rustwide/workdir/libraries/debug-logger)
[INFO] [stderr]    Compiling array-init v2.0.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling heapless v0.7.7
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling tickv v0.1.0 (https://github.com/tock/tock.git?rev=772a9e68735025205a3da52a3a0c9fdee8b6148d#772a9e68)
[INFO] [stderr]    Compiling siphasher v0.3.7
[INFO] [stderr]    Compiling managed v0.7.2
[INFO] [stderr]    Compiling menu v0.3.2
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling tinyvec v1.5.1
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling xmas-elf v0.7.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling selfe-arc v0.1.1 (https://github.com/auxoncorp/selfe-sys#a2dd6b6a)
[INFO] [stderr]    Compiling embedded-hal v0.2.6
[INFO] [stderr]    Compiling smoltcp v0.7.5
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling spin v0.9.2
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling generic-array v0.13.3
[INFO] [stderr]    Compiling bounded-registers v0.1.3 (https://github.com/auxoncorp/bounded-registers.git#636c22d2)
[INFO] [stderr]    Compiling net-types v0.1.0 (/opt/rustwide/workdir/libraries/net-types)
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/bounded-registers-8dfe38df9f613a74/636c22d/src/lib.rs:315:1
[INFO] [stdout]     |
[INFO] [stdout] 315 | #![feature(const_fn_trait_bound)]
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bounded-registers` 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" "0f8ae64dea2458eb46d0b722bcd3318d9623e68b6e1419d4f0979c2b279fc2c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f8ae64dea2458eb46d0b722bcd3318d9623e68b6e1419d4f0979c2b279fc2c6", kill_on_drop: false }`
[INFO] [stdout] 0f8ae64dea2458eb46d0b722bcd3318d9623e68b6e1419d4f0979c2b279fc2c6