[INFO] fetching crate may_waiter 0.1.2...
[INFO] checking may_waiter-0.1.2 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate may_waiter 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate may_waiter 0.1.2 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate may_waiter 0.1.2
[INFO] finished tweaking crates.io crate may_waiter 0.1.2
[INFO] tweaked toml for crates.io crate may_waiter 0.1.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dae23a4adbaaf66bb714a8f5d760f855d965ac3195e8610cd2338f3b108e9e0c
[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" "dae23a4adbaaf66bb714a8f5d760f855d965ac3195e8610cd2338f3b108e9e0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dae23a4adbaaf66bb714a8f5d760f855d965ac3195e8610cd2338f3b108e9e0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dae23a4adbaaf66bb714a8f5d760f855d965ac3195e8610cd2338f3b108e9e0c", kill_on_drop: false }`
[INFO] [stdout] dae23a4adbaaf66bb714a8f5d760f855d965ac3195e8610cd2338f3b108e9e0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e69d718b9675a3357ddd80818fea6102109978666518ccbe71c5a5a2bad5f1f1
[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" "e69d718b9675a3357ddd80818fea6102109978666518ccbe71c5a5a2bad5f1f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking crossbeam-queue v0.3.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]    Compiling may_queue v0.1.8
[INFO] [stderr]    Compiling generator v0.7.0
[INFO] [stderr]    Compiling may v0.3.19
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking may_waiter v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `T: may::sync::atomic_option::Wrapped` is not satisfied
[INFO] [stdout]   --> src/lib.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 |     rsp: AtomicOption<T>,
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^ the trait `may::sync::atomic_option::Wrapped` is not implemented for `T`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.19/src/sync/atomic_option.rs:65:28
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub struct AtomicOption<T: Wrapped> {
[INFO] [stdout]    |                            ------- required by this bound in `AtomicOption`
[INFO] [stdout]    |
[INFO] [stdout] help: consider restricting type parameter `T`
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Waiter<T: may::sync::atomic_option::Wrapped> {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `T: may::sync::atomic_option::Wrapped` is not satisfied
[INFO] [stdout]   --> src/lib.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 |     rsp: AtomicOption<T>,
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^ the trait `may::sync::atomic_option::Wrapped` is not implemented for `T`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.19/src/sync/atomic_option.rs:65:28
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub struct AtomicOption<T: Wrapped> {
[INFO] [stdout]    |                            ------- required by this bound in `AtomicOption`
[INFO] [stdout]    |
[INFO] [stdout] help: consider restricting type parameter `T`
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Waiter<T: may::sync::atomic_option::Wrapped> {
[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 E0277`.
[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 E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `may_waiter`
[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" "e69d718b9675a3357ddd80818fea6102109978666518ccbe71c5a5a2bad5f1f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e69d718b9675a3357ddd80818fea6102109978666518ccbe71c5a5a2bad5f1f1", kill_on_drop: false }`
[INFO] [stdout] e69d718b9675a3357ddd80818fea6102109978666518ccbe71c5a5a2bad5f1f1