[INFO] fetching crate libredox 0.1.9...
[INFO] checking libredox-0.1.9 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate libredox 0.1.9 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate libredox 0.1.9
[INFO] finished tweaking crates.io crate libredox 0.1.9
[INFO] tweaked toml for crates.io crate libredox 0.1.9 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libredox 0.1.9 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate libredox 0.1.9 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a659c5659b95e9897f72cf08a6a5c7c310d2c7ee09830e7a183d00b7542ca802
[INFO] running `Command { std: "docker" "start" "-a" "a659c5659b95e9897f72cf08a6a5c7c310d2c7ee09830e7a183d00b7542ca802", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a659c5659b95e9897f72cf08a6a5c7c310d2c7ee09830e7a183d00b7542ca802", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a659c5659b95e9897f72cf08a6a5c7c310d2c7ee09830e7a183d00b7542ca802", kill_on_drop: false }`
[INFO] [stdout] a659c5659b95e9897f72cf08a6a5c7c310d2c7ee09830e7a183d00b7542ca802
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fea2e0d0681d90290eed17f643b1a2685d3c27a9e2faa0a2561b20fcc62c7b4a
[INFO] running `Command { std: "docker" "start" "-a" "fea2e0d0681d90290eed17f643b1a2685d3c27a9e2faa0a2561b20fcc62c7b4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking redox_syscall v0.5.17
[INFO] [stderr]     Checking libredox v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lib.rs:27:52
[INFO] [stdout]    |
[INFO] [stdout] 27 |             matches!(self.errno(), errno::EAGAIN | errno::EWOULDBLOCK)
[INFO] [stdout]    |                                    -------------   ^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]    |                                    |
[INFO] [stdout]    |                                    matches all the relevant values
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `[u8]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:258:77
[INFO] [stdout]     |
[INFO] [stdout] 258 |     fn redox_get_proc_credentials_v1(cap_fd: usize, target_pid: usize, buf: &mut [u8])
[INFO] [stdout]     |                                                                             ^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lib.rs:27:52
[INFO] [stdout]    |
[INFO] [stdout] 27 |             matches!(self.errno(), errno::EAGAIN | errno::EWOULDBLOCK)
[INFO] [stdout]    |                                    -------------   ^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]    |                                    |
[INFO] [stdout]    |                                    matches all the relevant values
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `[u8]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:258:77
[INFO] [stdout]     |
[INFO] [stdout] 258 |     fn redox_get_proc_credentials_v1(cap_fd: usize, target_pid: usize, buf: &mut [u8])
[INFO] [stdout]     |                                                                             ^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "fea2e0d0681d90290eed17f643b1a2685d3c27a9e2faa0a2561b20fcc62c7b4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fea2e0d0681d90290eed17f643b1a2685d3c27a9e2faa0a2561b20fcc62c7b4a", kill_on_drop: false }`
[INFO] [stdout] fea2e0d0681d90290eed17f643b1a2685d3c27a9e2faa0a2561b20fcc62c7b4a