[INFO] cloning repository https://github.com/jackwickham/rust-kernel [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jackwickham/rust-kernel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackwickham%2Frust-kernel", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackwickham%2Frust-kernel'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 27618f3b4cb2fab12baf68593742cbd8e7ae9635 [INFO] checking jackwickham/rust-kernel against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackwickham%2Frust-kernel" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jackwickham/rust-kernel on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-8/source/.cargo/config [INFO] started tweaking git repo https://github.com/jackwickham/rust-kernel [INFO] finished tweaking git repo https://github.com/jackwickham/rust-kernel [INFO] tweaked toml for git repo https://github.com/jackwickham/rust-kernel written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/jackwickham/rust-kernel already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tock-registers v0.3.0 [INFO] [stderr] Downloaded register v0.3.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 04c6a1592bb5550ef67f188bbaf3cb626552ed0b9533fb4ebf971d50a4db1281 [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" "04c6a1592bb5550ef67f188bbaf3cb626552ed0b9533fb4ebf971d50a4db1281", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "04c6a1592bb5550ef67f188bbaf3cb626552ed0b9533fb4ebf971d50a4db1281", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04c6a1592bb5550ef67f188bbaf3cb626552ed0b9533fb4ebf971d50a4db1281", kill_on_drop: false }` [INFO] [stdout] 04c6a1592bb5550ef67f188bbaf3cb626552ed0b9533fb4ebf971d50a4db1281 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] bd782397053736237ba1b02542a41aa94de733d33bc28e3ce7273d8028708a7b [INFO] running `Command { std: "docker" "start" "-a" "bd782397053736237ba1b02542a41aa94de733d33bc28e3ce7273d8028708a7b", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling syn v0.15.39 [INFO] [stderr] Checking tock-registers v0.3.0 [INFO] [stderr] Checking utils v0.1.0 (/opt/rustwide/workdir/utils) [INFO] [stderr] Checking init v0.1.0 (/opt/rustwide/workdir/init) [INFO] [stdout] warning: unused import: `AtomicU64` [INFO] [stdout] --> utils/src/sync.rs:4:48 [INFO] [stdout] | [INFO] [stdout] 4 | use core::sync::atomic::{AtomicBool, Ordering, AtomicU64}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `renamed_spin_loop` has been stable since 1.49.0 and no longer requires an attribute to enable [INFO] [stdout] --> utils/src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(renamed_spin_loop)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `AtomicU64` [INFO] [stdout] --> utils/src/sync.rs:4:48 [INFO] [stdout] | [INFO] [stdout] 4 | use core::sync::atomic::{AtomicBool, Ordering, AtomicU64}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `renamed_spin_loop` has been stable since 1.49.0 and no longer requires an attribute to enable [INFO] [stdout] --> utils/src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(renamed_spin_loop)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: trait bounds other than `Sized` on const fn parameters are unstable [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tock-registers-0.3.0/src/registers.rs:128:6 [INFO] [stdout] | [INFO] [stdout] 128 | impl ReadWrite { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #57563 for more information [INFO] [stdout] = help: add `#![feature(const_fn_trait_bound)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: trait bounds other than `Sized` on const fn parameters are unstable [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tock-registers-0.3.0/src/registers.rs:128:18 [INFO] [stdout] | [INFO] [stdout] 128 | impl ReadWrite { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #57563 for more information [INFO] [stdout] = help: add `#![feature(const_fn_trait_bound)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: trait bounds other than `Sized` on const fn parameters are unstable [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tock-registers-0.3.0/src/registers.rs:195:6 [INFO] [stdout] | [INFO] [stdout] 195 | impl ReadOnly { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #57563 for more information [INFO] [stdout] = help: add `#![feature(const_fn_trait_bound)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: trait bounds other than `Sized` on const fn parameters are unstable [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tock-registers-0.3.0/src/registers.rs:195:18 [INFO] [stdout] | [INFO] [stdout] 195 | impl ReadOnly { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #57563 for more information [INFO] [stdout] = help: add `#![feature(const_fn_trait_bound)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: trait bounds other than `Sized` on const fn parameters are unstable [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tock-registers-0.3.0/src/registers.rs:241:6 [INFO] [stdout] | [INFO] [stdout] 241 | impl WriteOnly { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #57563 for more information [INFO] [stdout] = help: add `#![feature(const_fn_trait_bound)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: trait bounds other than `Sized` on const fn parameters are unstable [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tock-registers-0.3.0/src/registers.rs:241:18 [INFO] [stdout] | [INFO] [stdout] 241 | impl WriteOnly { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #57563 for more information [INFO] [stdout] = help: add `#![feature(const_fn_trait_bound)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: trait bounds other than `Sized` on const fn parameters are unstable [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tock-registers-0.3.0/src/registers.rs:273:6 [INFO] [stdout] | [INFO] [stdout] 273 | impl LocalRegisterCopy { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #57563 for more information [INFO] [stdout] = help: add `#![feature(const_fn_trait_bound)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: trait bounds other than `Sized` on const fn parameters are unstable [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tock-registers-0.3.0/src/registers.rs:273:18 [INFO] [stdout] | [INFO] [stdout] 273 | impl LocalRegisterCopy { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #57563 for more information [INFO] [stdout] = help: add `#![feature(const_fn_trait_bound)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: trait bounds other than `Sized` on const fn parameters are unstable [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tock-registers-0.3.0/src/registers.rs:360:6 [INFO] [stdout] | [INFO] [stdout] 360 | impl Field { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #57563 for more information [INFO] [stdout] = help: add `#![feature(const_fn_trait_bound)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: trait bounds other than `Sized` on const fn parameters are unstable [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tock-registers-0.3.0/src/registers.rs:374:6 [INFO] [stdout] | [INFO] [stdout] 374 | impl Field { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #57563 for more information [INFO] [stdout] = help: add `#![feature(const_fn_trait_bound)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: trait bounds other than `Sized` on const fn parameters are unstable [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tock-registers-0.3.0/src/registers.rs:388:6 [INFO] [stdout] | [INFO] [stdout] 388 | impl Field { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #57563 for more information [INFO] [stdout] = help: add `#![feature(const_fn_trait_bound)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: trait bounds other than `Sized` on const fn parameters are unstable [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tock-registers-0.3.0/src/registers.rs:402:6 [INFO] [stdout] | [INFO] [stdout] 402 | impl Field { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #57563 for more information [INFO] [stdout] = help: add `#![feature(const_fn_trait_bound)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: trait bounds other than `Sized` on const fn parameters are unstable [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tock-registers-0.3.0/src/registers.rs:428:6 [INFO] [stdout] | [INFO] [stdout] 428 | impl FieldValue { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #57563 for more information [INFO] [stdout] = help: add `#![feature(const_fn_trait_bound)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: trait bounds other than `Sized` on const fn parameters are unstable [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tock-registers-0.3.0/src/registers.rs:449:6 [INFO] [stdout] | [INFO] [stdout] 449 | impl FieldValue { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #57563 for more information [INFO] [stdout] = help: add `#![feature(const_fn_trait_bound)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: trait bounds other than `Sized` on const fn parameters are unstable [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tock-registers-0.3.0/src/registers.rs:465:6 [INFO] [stdout] | [INFO] [stdout] 465 | impl FieldValue { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #57563 for more information [INFO] [stdout] = help: add `#![feature(const_fn_trait_bound)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: trait bounds other than `Sized` on const fn parameters are unstable [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tock-registers-0.3.0/src/registers.rs:486:6 [INFO] [stdout] | [INFO] [stdout] 486 | impl FieldValue { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #57563 for more information [INFO] [stdout] = help: add `#![feature(const_fn_trait_bound)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 16 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `tock-registers` [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [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" "bd782397053736237ba1b02542a41aa94de733d33bc28e3ce7273d8028708a7b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd782397053736237ba1b02542a41aa94de733d33bc28e3ce7273d8028708a7b", kill_on_drop: false }` [INFO] [stdout] bd782397053736237ba1b02542a41aa94de733d33bc28e3ce7273d8028708a7b