[INFO] cloning repository https://github.com/pleasewhy/kernel-sync
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pleasewhy/kernel-sync" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpleasewhy%2Fkernel-sync", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpleasewhy%2Fkernel-sync'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d1f25680f3b7ca2e9f450d3e2211c126a80427bb
[INFO] checking pleasewhy/kernel-sync against master#ff0b4b6091a75ad840035a991426c8bc9fbd93bb for pr-117673
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpleasewhy%2Fkernel-sync" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pleasewhy/kernel-sync on toolchain ff0b4b6091a75ad840035a991426c8bc9fbd93bb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff0b4b6091a75ad840035a991426c8bc9fbd93bb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pleasewhy/kernel-sync
[INFO] finished tweaking git repo https://github.com/pleasewhy/kernel-sync
[INFO] tweaked toml for git repo https://github.com/pleasewhy/kernel-sync written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/pleasewhy/kernel-sync already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff0b4b6091a75ad840035a991426c8bc9fbd93bb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking pleasewhy/kernel-sync against try#9ee647322baa27cc6bb1a95b4595bad94b334fcf for pr-117673
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpleasewhy%2Fkernel-sync" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pleasewhy/kernel-sync on toolchain 9ee647322baa27cc6bb1a95b4595bad94b334fcf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9ee647322baa27cc6bb1a95b4595bad94b334fcf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pleasewhy/kernel-sync
[INFO] finished tweaking git repo https://github.com/pleasewhy/kernel-sync
[INFO] tweaked toml for git repo https://github.com/pleasewhy/kernel-sync written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/pleasewhy/kernel-sync already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9ee647322baa27cc6bb1a95b4595bad94b334fcf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking pleasewhy/kernel-sync against try#9ee647322baa27cc6bb1a95b4595bad94b334fcf for pr-117673
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpleasewhy%2Fkernel-sync" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pleasewhy/kernel-sync on toolchain 9ee647322baa27cc6bb1a95b4595bad94b334fcf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9ee647322baa27cc6bb1a95b4595bad94b334fcf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pleasewhy/kernel-sync
[INFO] finished tweaking git repo https://github.com/pleasewhy/kernel-sync
[INFO] tweaked toml for git repo https://github.com/pleasewhy/kernel-sync written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/pleasewhy/kernel-sync already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9ee647322baa27cc6bb1a95b4595bad94b334fcf" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:0c7e0e8312ad82a1bed3696438480b7da990d348377d3754e1cd95b06a8a36c7" "/opt/rustwide/cargo-home/bin/cargo" "+9ee647322baa27cc6bb1a95b4595bad94b334fcf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8a3d9e16687bf743a5cd484618860d2350b16dd6c0fa6f39eb119977b919ca5
[INFO] running `Command { std: "docker" "start" "-a" "f8a3d9e16687bf743a5cd484618860d2350b16dd6c0fa6f39eb119977b919ca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8a3d9e16687bf743a5cd484618860d2350b16dd6c0fa6f39eb119977b919ca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8a3d9e16687bf743a5cd484618860d2350b16dd6c0fa6f39eb119977b919ca5", kill_on_drop: false }`
[INFO] [stdout] f8a3d9e16687bf743a5cd484618860d2350b16dd6c0fa6f39eb119977b919ca5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:0c7e0e8312ad82a1bed3696438480b7da990d348377d3754e1cd95b06a8a36c7" "/opt/rustwide/cargo-home/bin/cargo" "+9ee647322baa27cc6bb1a95b4595bad94b334fcf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1501cb1f53234bd6ac29d1de18703b5cca99f9296c53ee73c01b681a097cf5de
[INFO] running `Command { std: "docker" "start" "-a" "1501cb1f53234bd6ac29d1de18703b5cca99f9296c53ee73c01b681a097cf5de", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking kernel_sync v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Waker`
[INFO] [stdout]  --> src/mutex.rs:9:33
[INFO] [stdout]   |
[INFO] [stdout] 9 | use core::task::{Context, Poll, Waker};
[INFO] [stdout]   |                                 ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Waker`
[INFO] [stdout]  --> src/mutex.rs:9:33
[INFO] [stdout]   |
[INFO] [stdout] 9 | use core::task::{Context, Poll, Waker};
[INFO] [stdout]   |                                 ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `asm` has been stable since 1.59.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(asm)]
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `maybe_uninit_extra` has been stable since 1.60.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(maybe_uninit_extra)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `drain_filter`
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `asm` has been stable since 1.59.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(asm)]
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `maybe_uninit_extra` has been stable since 1.60.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(maybe_uninit_extra)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `drain_filter`
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `drain_filter` found for struct `SpinLockGuard<'_, LinkedList<Arc<Waiter>>>` in the current scope
[INFO] [stdout]    --> src/mutex.rs:117:40
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let disabled_waiters = waiters.drain_filter(|waiter| waiter.is_disabled());
[INFO] [stdout]     |                                        ^^^^^^^^^^^^ method not found in `SpinLockGuard<'_, LinkedList<Arc<Waiter>>>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/spinlock.rs:21:1
[INFO] [stdout]     |
[INFO] [stdout] 21  | pub struct SpinLockGuard<'a, T: ?Sized + 'a> {
[INFO] [stdout]     | -------------------------------------------- method `drain_filter` not found for this struct
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `drain_filter` found for struct `SpinLockGuard<'_, LinkedList<Arc<Waiter>>>` in the current scope
[INFO] [stdout]    --> src/mutex.rs:117:40
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let disabled_waiters = waiters.drain_filter(|waiter| waiter.is_disabled());
[INFO] [stdout]     |                                        ^^^^^^^^^^^^ method not found in `SpinLockGuard<'_, LinkedList<Arc<Waiter>>>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/spinlock.rs:21:1
[INFO] [stdout]     |
[INFO] [stdout] 21  | pub struct SpinLockGuard<'a, T: ?Sized + 'a> {
[INFO] [stdout]     | -------------------------------------------- method `drain_filter` not found for this struct
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kernel_sync` (lib test) due to 3 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `kernel_sync` (lib) due to 3 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "1501cb1f53234bd6ac29d1de18703b5cca99f9296c53ee73c01b681a097cf5de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1501cb1f53234bd6ac29d1de18703b5cca99f9296c53ee73c01b681a097cf5de", kill_on_drop: false }`
[INFO] [stdout] 1501cb1f53234bd6ac29d1de18703b5cca99f9296c53ee73c01b681a097cf5de