[INFO] fetching crate wfbuf 0.1.1...
[INFO] checking wfbuf-0.1.1 against master#7b3a7819371cef92a187e9bac8f7810ccde15216 for pr-74846
[INFO] extracting crate wfbuf 0.1.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate wfbuf 0.1.1 on toolchain 7b3a7819371cef92a187e9bac8f7810ccde15216
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wfbuf 0.1.1
[INFO] finished tweaking crates.io crate wfbuf 0.1.1
[INFO] tweaked toml for crates.io crate wfbuf 0.1.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c87ae7001d8617a1d2e1b4f573a05964b6d89c6d9c4b8dcd76e002c0e2509c68
[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" "c87ae7001d8617a1d2e1b4f573a05964b6d89c6d9c4b8dcd76e002c0e2509c68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c87ae7001d8617a1d2e1b4f573a05964b6d89c6d9c4b8dcd76e002c0e2509c68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c87ae7001d8617a1d2e1b4f573a05964b6d89c6d9c4b8dcd76e002c0e2509c68", kill_on_drop: false }`
[INFO] [stdout] c87ae7001d8617a1d2e1b4f573a05964b6d89c6d9c4b8dcd76e002c0e2509c68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cdea8a79ce0aecf9d9a19311af844f5c1406d777a7b7acf5cc9370ff23f424d0
[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" "cdea8a79ce0aecf9d9a19311af844f5c1406d777a7b7acf5cc9370ff23f424d0", kill_on_drop: false }`
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking mmap v0.1.1
[INFO] [stderr]     Checking wfbuf v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected expression, found keyword `in`
[INFO] [stdout]   --> src/lib.rs:89:3
[INFO] [stdout]    |
[INFO] [stdout] 89 |         in MMSHARED { WfBuf::<T>::new() }
[INFO] [stdout]    |         ^^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found keyword `in`
[INFO] [stdout]   --> src/lib.rs:89:3
[INFO] [stdout]    |
[INFO] [stdout] 89 |         in MMSHARED { WfBuf::<T>::new() }
[INFO] [stdout]    |         ^^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::ops::Place`, `std::ops::InPlace`, `std::ops::Placer`
[INFO] [stdout]  --> src/lib.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ops::{Place, InPlace, Placer};
[INFO] [stdout]   |                ^^^^^  ^^^^^^^  ^^^^^^ no `Placer` in `ops`
[INFO] [stdout]   |                |      |
[INFO] [stdout]   |                |      no `InPlace` in `ops`
[INFO] [stdout]   |                no `Place` in `ops`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wfbuf`.
[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[E0432]: unresolved imports `std::ops::Place`, `std::ops::InPlace`, `std::ops::Placer`
[INFO] [stdout]  --> src/lib.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ops::{Place, InPlace, Placer};
[INFO] [stdout]   |                ^^^^^  ^^^^^^^  ^^^^^^ no `Placer` in `ops`
[INFO] [stdout]   |                |      |
[INFO] [stdout]   |                |      no `InPlace` in `ops`
[INFO] [stdout]   |                no `Place` in `ops`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "cdea8a79ce0aecf9d9a19311af844f5c1406d777a7b7acf5cc9370ff23f424d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdea8a79ce0aecf9d9a19311af844f5c1406d777a7b7acf5cc9370ff23f424d0", kill_on_drop: false }`
[INFO] [stdout] cdea8a79ce0aecf9d9a19311af844f5c1406d777a7b7acf5cc9370ff23f424d0