[INFO] crate rs_lockfree 0.1.1 is already in cache
[INFO] testing rs_lockfree-0.1.1 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate rs_lockfree 0.1.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate rs_lockfree 0.1.1 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rs_lockfree 0.1.1
[INFO] finished tweaking crates.io crate rs_lockfree 0.1.1
[INFO] tweaked toml for crates.io crate rs_lockfree 0.1.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4c6e4c63031c7eabc129268e62ea4320c8846ca9a14f59fea7bad5b72eccbdf
[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" "b4c6e4c63031c7eabc129268e62ea4320c8846ca9a14f59fea7bad5b72eccbdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4c6e4c63031c7eabc129268e62ea4320c8846ca9a14f59fea7bad5b72eccbdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4c6e4c63031c7eabc129268e62ea4320c8846ca9a14f59fea7bad5b72eccbdf", kill_on_drop: false }`
[INFO] [stdout] b4c6e4c63031c7eabc129268e62ea4320c8846ca9a14f59fea7bad5b72eccbdf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fc330a0f373c92fdf342954ba79ab23e1b5b4d9518f6577463d87e46d17d32b
[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" "6fc330a0f373c92fdf342954ba79ab23e1b5b4d9518f6577463d87e46d17d32b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling rs_lockfree v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hazard_pointer.rs:296:32
[INFO] [stdout]     |
[INFO] [stdout] 296 |             &mut *node as &mut HazardNodeT,
[INFO] [stdout]     |                                ^^^^^^^^^^^ help: use `dyn`: `dyn HazardNodeT`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hazard_pointer.rs:373:59
[INFO] [stdout]     |
[INFO] [stdout] 373 |         let obj = mem::transmute::<raw::TraitObject, &mut HazardNodeT>(trait_obj);
[INFO] [stdout]     |                                                           ^^^^^^^^^^^ help: use `dyn`: `dyn HazardNodeT`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hazard_pointer.rs:374:35
[INFO] [stdout]     |
[INFO] [stdout] 374 |         Box::from_raw(obj as *mut HazardNodeT);
[INFO] [stdout]     |                                   ^^^^^^^^^^^ help: use `dyn`: `dyn HazardNodeT`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `T: std::marker::Copy` is not satisfied
[INFO] [stdout]    --> src/util.rs:98:35
[INFO] [stdout]     |
[INFO] [stdout] 98  |         intrinsics::atomic_xadd::<T>(dst, src)
[INFO] [stdout]     |                                   ^ the trait `std::marker::Copy` is not implemented for `T`
[INFO] [stdout]     |
[INFO] [stdout] help: consider restricting type parameter `T`
[INFO] [stdout]     |
[INFO] [stdout] 97  |     pub unsafe fn sync_fetch_and_add<T: std::marker::Copy>(dst: *mut T, src: T) -> T {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rs_lockfree`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "6fc330a0f373c92fdf342954ba79ab23e1b5b4d9518f6577463d87e46d17d32b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fc330a0f373c92fdf342954ba79ab23e1b5b4d9518f6577463d87e46d17d32b", kill_on_drop: false }`
[INFO] [stdout] 6fc330a0f373c92fdf342954ba79ab23e1b5b4d9518f6577463d87e46d17d32b