[INFO] fetching crate may_waiter 0.1.2...
[INFO] checking may_waiter-0.1.2 against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] extracting crate may_waiter 0.1.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate may_waiter 0.1.2 on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87c798e1e69d545e796b6c137ac53e6fab700885f7eace9dbc671a3c045320d8
[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" "87c798e1e69d545e796b6c137ac53e6fab700885f7eace9dbc671a3c045320d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87c798e1e69d545e796b6c137ac53e6fab700885f7eace9dbc671a3c045320d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87c798e1e69d545e796b6c137ac53e6fab700885f7eace9dbc671a3c045320d8", kill_on_drop: false }`
[INFO] [stdout] 87c798e1e69d545e796b6c137ac53e6fab700885f7eace9dbc671a3c045320d8
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e89a5ddaba1e58fd036bbf305767c56a48954edaf6110c6435e408e924db54ac
[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" "e89a5ddaba1e58fd036bbf305767c56a48954edaf6110c6435e408e924db54ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling generator v0.6.24
[INFO] [stderr]    Compiling may_queue v0.1.7
[INFO] [stderr]    Compiling may v0.3.18
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking crossbeam v0.7.3
[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-0.3.18/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-0.3.18/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" "e89a5ddaba1e58fd036bbf305767c56a48954edaf6110c6435e408e924db54ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e89a5ddaba1e58fd036bbf305767c56a48954edaf6110c6435e408e924db54ac", kill_on_drop: false }`
[INFO] [stdout] e89a5ddaba1e58fd036bbf305767c56a48954edaf6110c6435e408e924db54ac