[INFO] fetching crate char-device 0.1.0...
[INFO] checking char-device-0.1.0 against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] extracting crate char-device 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate char-device 0.1.0 on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate char-device 0.1.0
[INFO] finished tweaking crates.io crate char-device 0.1.0
[INFO] tweaked toml for crates.io crate char-device 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", 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] b15c63d258bec993ff17ad8bff1151ccce6588808ce5d636198cc7366213ee4e
[INFO] running `Command { std: "docker" "start" "-a" "b15c63d258bec993ff17ad8bff1151ccce6588808ce5d636198cc7366213ee4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b15c63d258bec993ff17ad8bff1151ccce6588808ce5d636198cc7366213ee4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b15c63d258bec993ff17ad8bff1151ccce6588808ce5d636198cc7366213ee4e", kill_on_drop: false }`
[INFO] [stdout] b15c63d258bec993ff17ad8bff1151ccce6588808ce5d636198cc7366213ee4e
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "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] 67e739f773be12866568abcd22b219446951ba8722df21e8c94fe28c0c216d01
[INFO] running `Command { std: "docker" "start" "-a" "67e739f773be12866568abcd22b219446951ba8722df21e8c94fe28c0c216d01", kill_on_drop: false }`
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling unsafe-io v0.5.2
[INFO] [stderr]    Compiling unsafe-io v0.3.0
[INFO] [stderr]    Compiling char-device v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking posish v0.5.13
[INFO] [stdout] error[E0277]: the trait bound `CharDevice: unsafe_io::owns_raw::OwnsRaw` is not satisfied
[INFO] [stdout]    --> src/char_device.rs:110:34
[INFO] [stdout]     |
[INFO] [stdout] 110 |             posish::io::fionread(self)
[INFO] [stdout]     |                                  ^^^^ the trait `unsafe_io::owns_raw::OwnsRaw` is not implemented for `CharDevice`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/posish-0.5.13/src/io/fd.rs:17:21
[INFO] [stdout]     |
[INFO] [stdout] 17  | pub fn fionread<Fd: AsUnsafeHandle>(fd: &Fd) -> io::Result<u64> {
[INFO] [stdout]     |                     -------------- required by this bound in `fionread`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required because of the requirements on the impl of `unsafe_io::unsafe_handle::AsUnsafeHandle` for `CharDevice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `CharDevice: unsafe_io::owns_raw::OwnsRaw` is not satisfied
[INFO] [stdout]    --> src/char_device.rs:110:34
[INFO] [stdout]     |
[INFO] [stdout] 110 |             posish::io::fionread(self)
[INFO] [stdout]     |                                  ^^^^ the trait `unsafe_io::owns_raw::OwnsRaw` is not implemented for `CharDevice`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/posish-0.5.13/src/io/fd.rs:17:21
[INFO] [stdout]     |
[INFO] [stdout] 17  | pub fn fionread<Fd: AsUnsafeHandle>(fd: &Fd) -> io::Result<u64> {
[INFO] [stdout]     |                     -------------- required by this bound in `fionread`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required because of the requirements on the impl of `unsafe_io::unsafe_handle::AsUnsafeHandle` for `CharDevice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[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] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `char-device`
[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" "67e739f773be12866568abcd22b219446951ba8722df21e8c94fe28c0c216d01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67e739f773be12866568abcd22b219446951ba8722df21e8c94fe28c0c216d01", kill_on_drop: false }`
[INFO] [stdout] 67e739f773be12866568abcd22b219446951ba8722df21e8c94fe28c0c216d01