[INFO] fetching crate sync_2 1.0.0...
[INFO] checking sync_2-1.0.0 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate sync_2 1.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate sync_2 1.0.0 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sync_2 1.0.0
[INFO] finished tweaking crates.io crate sync_2 1.0.0
[INFO] tweaked toml for crates.io crate sync_2 1.0.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef4cdb7349948450caee1100eadaeaec5ed59f55c81cd2c941ee5c54bc2ac84b
[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" "ef4cdb7349948450caee1100eadaeaec5ed59f55c81cd2c941ee5c54bc2ac84b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef4cdb7349948450caee1100eadaeaec5ed59f55c81cd2c941ee5c54bc2ac84b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef4cdb7349948450caee1100eadaeaec5ed59f55c81cd2c941ee5c54bc2ac84b", kill_on_drop: false }`
[INFO] [stdout] ef4cdb7349948450caee1100eadaeaec5ed59f55c81cd2c941ee5c54bc2ac84b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3e98b46a2519c12ea925d2008921d9b7518bd0a255c731b99e0ed3a08d1533cc
[INFO] running `Command { std: "docker" "start" "-a" "3e98b46a2519c12ea925d2008921d9b7518bd0a255c731b99e0ed3a08d1533cc", kill_on_drop: false }`
[INFO] [stderr]     Checking sync_2 v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: expected a `std::ops::FnMut<(usize,)>` closure, found `std::sync::atomic::Ordering`
[INFO] [stdout]    --> src/lib.rs:211:38
[INFO] [stdout]     |
[INFO] [stdout] 211 |         let x = match self.ref_count.fetch_update(
[INFO] [stdout]     |                                      ^^^^^^^^^^^^ expected an `FnMut<(usize,)>` closure, found `std::sync::atomic::Ordering`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `std::ops::FnMut<(usize,)>` is not implemented for `std::sync::atomic::Ordering`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: expected a `std::ops::FnMut<(usize,)>` closure, found `std::sync::atomic::Ordering`
[INFO] [stdout]    --> src/lib.rs:211:38
[INFO] [stdout]     |
[INFO] [stdout] 211 |         let x = match self.ref_count.fetch_update(
[INFO] [stdout]     |                                      ^^^^^^^^^^^^ expected an `FnMut<(usize,)>` closure, found `std::sync::atomic::Ordering`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `std::ops::FnMut<(usize,)>` is not implemented for `std::sync::atomic::Ordering`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:212:13
[INFO] [stdout]     |
[INFO] [stdout] 212 |             |x| if x < WRITE { Some(x + 1) } else { None },
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `std::sync::atomic::Ordering`, found closure
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `std::sync::atomic::Ordering`
[INFO] [stdout]             found closure `[closure@src/lib.rs:212:13: 212:59]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: expected a `std::ops::FnMut<(usize,)>` closure, found `std::sync::atomic::Ordering`
[INFO] [stdout]    --> src/lib.rs:262:30
[INFO] [stdout]     |
[INFO] [stdout] 262 |         match self.ref_count.fetch_update(
[INFO] [stdout]     |                              ^^^^^^^^^^^^ expected an `FnMut<(usize,)>` closure, found `std::sync::atomic::Ordering`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `std::ops::FnMut<(usize,)>` is not implemented for `std::sync::atomic::Ordering`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:212:13
[INFO] [stdout]     |
[INFO] [stdout] 212 |             |x| if x < WRITE { Some(x + 1) } else { None },
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `std::sync::atomic::Ordering`, found closure
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `std::sync::atomic::Ordering`
[INFO] [stdout]             found closure `[closure@src/lib.rs:212:13: 212:59]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:263:13
[INFO] [stdout]     |
[INFO] [stdout] 263 | /             |x| {
[INFO] [stdout] 264 | |                 if x == 0 || {
[INFO] [stdout] 265 | |                     clean = false;
[INFO] [stdout] 266 | |                     x == POISON
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |                 }
[INFO] [stdout] 272 | |             },
[INFO] [stdout]     | |_____________^ expected enum `std::sync::atomic::Ordering`, found closure
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `std::sync::atomic::Ordering`
[INFO] [stdout]             found closure `[closure@src/lib.rs:263:13: 272:14 clean:_]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: expected a `std::ops::FnMut<(usize,)>` closure, found `std::sync::atomic::Ordering`
[INFO] [stdout]    --> src/lib.rs:262:30
[INFO] [stdout]     |
[INFO] [stdout] 262 |         match self.ref_count.fetch_update(
[INFO] [stdout]     |                              ^^^^^^^^^^^^ expected an `FnMut<(usize,)>` closure, found `std::sync::atomic::Ordering`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `std::ops::FnMut<(usize,)>` is not implemented for `std::sync::atomic::Ordering`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: expected a `std::ops::FnMut<(u8,)>` closure, found `std::sync::atomic::Ordering`
[INFO] [stdout]    --> src/lib.rs:689:38
[INFO] [stdout]     |
[INFO] [stdout] 689 |         let x = match self.ref_count.fetch_update(
[INFO] [stdout]     |                                      ^^^^^^^^^^^^ expected an `FnMut<(u8,)>` closure, found `std::sync::atomic::Ordering`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `std::ops::FnMut<(u8,)>` is not implemented for `std::sync::atomic::Ordering`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:263:13
[INFO] [stdout]     |
[INFO] [stdout] 263 | /             |x| {
[INFO] [stdout] 264 | |                 if x == 0 || {
[INFO] [stdout] 265 | |                     clean = false;
[INFO] [stdout] 266 | |                     x == POISON
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |                 }
[INFO] [stdout] 272 | |             },
[INFO] [stdout]     | |_____________^ expected enum `std::sync::atomic::Ordering`, found closure
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `std::sync::atomic::Ordering`
[INFO] [stdout]             found closure `[closure@src/lib.rs:263:13: 272:14 clean:_]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:690:13
[INFO] [stdout]     |
[INFO] [stdout] 690 |             |x| if x < LOCK { Some(x | LOCK) } else { None },
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `std::sync::atomic::Ordering`, found closure
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `std::sync::atomic::Ordering`
[INFO] [stdout]             found closure `[closure@src/lib.rs:690:13: 690:61]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: expected a `std::ops::FnMut<(u8,)>` closure, found `std::sync::atomic::Ordering`
[INFO] [stdout]    --> src/lib.rs:689:38
[INFO] [stdout]     |
[INFO] [stdout] 689 |         let x = match self.ref_count.fetch_update(
[INFO] [stdout]     |                                      ^^^^^^^^^^^^ expected an `FnMut<(u8,)>` closure, found `std::sync::atomic::Ordering`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `std::ops::FnMut<(u8,)>` is not implemented for `std::sync::atomic::Ordering`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sync_2`.
[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] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:690:13
[INFO] [stdout]     |
[INFO] [stdout] 690 |             |x| if x < LOCK { Some(x | LOCK) } else { None },
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `std::sync::atomic::Ordering`, found closure
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `std::sync::atomic::Ordering`
[INFO] [stdout]             found closure `[closure@src/lib.rs:690:13: 690:61]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3e98b46a2519c12ea925d2008921d9b7518bd0a255c731b99e0ed3a08d1533cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e98b46a2519c12ea925d2008921d9b7518bd0a255c731b99e0ed3a08d1533cc", kill_on_drop: false }`
[INFO] [stdout] 3e98b46a2519c12ea925d2008921d9b7518bd0a255c731b99e0ed3a08d1533cc