[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#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpleasewhy%2Fkernel-sync" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pleasewhy/kernel-sync on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "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-3-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ae4af078346df1c62ed5aaa788613be3bf3906afe4db9959eae6542cef83cdf
[INFO] running `Command { std: "docker" "start" "-a" "6ae4af078346df1c62ed5aaa788613be3bf3906afe4db9959eae6542cef83cdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ae4af078346df1c62ed5aaa788613be3bf3906afe4db9959eae6542cef83cdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ae4af078346df1c62ed5aaa788613be3bf3906afe4db9959eae6542cef83cdf", kill_on_drop: false }`
[INFO] [stdout] 6ae4af078346df1c62ed5aaa788613be3bf3906afe4db9959eae6542cef83cdf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a6b210a26618038eb80d7029f4433aac128f04fec70935545b8d7f60b56e322
[INFO] running `Command { std: "docker" "start" "-a" "1a6b210a26618038eb80d7029f4433aac128f04fec70935545b8d7f60b56e322", kill_on_drop: false }`
[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] 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[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: aborting due to 2 previous errors
[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) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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
[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
[INFO] running `Command { std: "docker" "inspect" "1a6b210a26618038eb80d7029f4433aac128f04fec70935545b8d7f60b56e322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a6b210a26618038eb80d7029f4433aac128f04fec70935545b8d7f60b56e322", kill_on_drop: false }`
[INFO] [stdout] 1a6b210a26618038eb80d7029f4433aac128f04fec70935545b8d7f60b56e322
[INFO] checking pleasewhy/kernel-sync against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpleasewhy%2Fkernel-sync" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pleasewhy/kernel-sync on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "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-3-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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 246f7d8a396a5882e53972e544224bb4909994fe0b52da71ffb0684207713fb5
[INFO] running `Command { std: "docker" "start" "-a" "246f7d8a396a5882e53972e544224bb4909994fe0b52da71ffb0684207713fb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "246f7d8a396a5882e53972e544224bb4909994fe0b52da71ffb0684207713fb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "246f7d8a396a5882e53972e544224bb4909994fe0b52da71ffb0684207713fb5", kill_on_drop: false }`
[INFO] [stdout] 246f7d8a396a5882e53972e544224bb4909994fe0b52da71ffb0684207713fb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f50258d0bec0ba4f8cb4052451b33da42013bf7f229e034c7be95c141b10995
[INFO] running `Command { std: "docker" "start" "-a" "9f50258d0bec0ba4f8cb4052451b33da42013bf7f229e034c7be95c141b10995", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "9f50258d0bec0ba4f8cb4052451b33da42013bf7f229e034c7be95c141b10995", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f50258d0bec0ba4f8cb4052451b33da42013bf7f229e034c7be95c141b10995", kill_on_drop: false }`
[INFO] [stdout] 9f50258d0bec0ba4f8cb4052451b33da42013bf7f229e034c7be95c141b10995