[INFO] fetching crate may_waiter 0.1.2...
[INFO] testing may_waiter-0.1.2 against beta-2020-10-09 for beta-1.48-1
[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 beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", 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" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded may v0.3.18
[INFO] [stderr]   Downloaded generator v0.6.22
[INFO] [stderr]   Downloaded may_queue v0.1.7
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e07abbbaf89195e8051934242bd7f2881be51fa86cfd7617801cb31c807bac41
[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" "e07abbbaf89195e8051934242bd7f2881be51fa86cfd7617801cb31c807bac41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e07abbbaf89195e8051934242bd7f2881be51fa86cfd7617801cb31c807bac41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e07abbbaf89195e8051934242bd7f2881be51fa86cfd7617801cb31c807bac41", kill_on_drop: false }`
[INFO] [stdout] e07abbbaf89195e8051934242bd7f2881be51fa86cfd7617801cb31c807bac41
[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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a777d940d5439b1adef9047030638f541a1dd8edf93e41b5f61b2e456fe7d17
[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" "1a777d940d5439b1adef9047030638f541a1dd8edf93e41b5f61b2e456fe7d17", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling generator v0.6.22
[INFO] [stderr]    Compiling may_queue v0.1.7
[INFO] [stderr]    Compiling may v0.3.18
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling socket2 v0.3.15
[INFO] [stderr]    Compiling 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: 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" "1a777d940d5439b1adef9047030638f541a1dd8edf93e41b5f61b2e456fe7d17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a777d940d5439b1adef9047030638f541a1dd8edf93e41b5f61b2e456fe7d17", kill_on_drop: false }`
[INFO] [stdout] 1a777d940d5439b1adef9047030638f541a1dd8edf93e41b5f61b2e456fe7d17
