[INFO] fetching crate slitter 0.1.0...
[INFO] testing slitter-0.1.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate slitter 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate slitter 0.1.0
[INFO] finished tweaking crates.io crate slitter 0.1.0
[INFO] tweaked toml for crates.io crate slitter 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate slitter 0.1.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 52 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56913a9518bc79c85d94678b77e558950e33abfacb18e91bf5879edd80f07c72
[INFO] running `Command { std: "docker" "start" "-a" "56913a9518bc79c85d94678b77e558950e33abfacb18e91bf5879edd80f07c72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56913a9518bc79c85d94678b77e558950e33abfacb18e91bf5879edd80f07c72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56913a9518bc79c85d94678b77e558950e33abfacb18e91bf5879edd80f07c72", kill_on_drop: false }`
[INFO] [stdout] 56913a9518bc79c85d94678b77e558950e33abfacb18e91bf5879edd80f07c72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a03b1eef499340ecb4f3a83abdaf98eb9029a7fa5d33bbca479ef68f844cf598
[INFO] running `Command { std: "docker" "start" "-a" "a03b1eef499340ecb4f3a83abdaf98eb9029a7fa5d33bbca479ef68f844cf598", kill_on_drop: false }`
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling disabled_contracts v0.1.0
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling slitter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: slitter@0.1.0: cargo:rustc-cdylib-link-arg was specified in the build script of slitter v0.1.0 (/opt/rustwide/workdir), but that package does not contain a cdylib target
[INFO] [stderr] 
[INFO] [stderr] Allowing this was an unintended change in the 1.50 release, and may become an error in the future. For more information, see <https://github.com/rust-lang/cargo/issues/9562>.
[INFO] [stderr] warning: slitter@0.1.0: cargo:rustc-cdylib-link-arg was specified in the build script of slitter v0.1.0 (/opt/rustwide/workdir), but that package does not contain a cdylib target
[INFO] [stderr] 
[INFO] [stderr] Allowing this was an unintended change in the 1.50 release, and may become an error in the future. For more information, see <https://github.com/rust-lang/cargo/issues/9562>.
[INFO] [stderr]    Compiling tempfile v3.21.0
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/cache.rs:433:15
[INFO] [stdout]     |
[INFO] [stdout] 433 |         #[cfg(features = "c_fast_path")]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 433 -         #[cfg(features = "c_fast_path")]
[INFO] [stdout] 433 +         #[cfg(feature = "c_fast_path")]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/cache.rs:435:19
[INFO] [stdout]     |
[INFO] [stdout] 435 |         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 435 -         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout] 435 +         #[cfg(not(feature = "c_fast_path"))]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/cache.rs:492:15
[INFO] [stdout]     |
[INFO] [stdout] 492 |         #[cfg(features = "c_fast_path")]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 492 -         #[cfg(features = "c_fast_path")]
[INFO] [stdout] 492 +         #[cfg(feature = "c_fast_path")]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/cache.rs:494:19
[INFO] [stdout]     |
[INFO] [stdout] 494 |         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 494 -         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout] 494 +         #[cfg(not(feature = "c_fast_path"))]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/magazine_impl.rs:263:15
[INFO] [stdout]     |
[INFO] [stdout] 263 |         #[cfg(features = "c_fast_path")]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 263 -         #[cfg(features = "c_fast_path")]
[INFO] [stdout] 263 +         #[cfg(feature = "c_fast_path")]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/magazine_impl.rs:265:19
[INFO] [stdout]     |
[INFO] [stdout] 265 |         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 265 -         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout] 265 +         #[cfg(not(feature = "c_fast_path"))]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/magazine_impl.rs:340:15
[INFO] [stdout]     |
[INFO] [stdout] 340 |         #[cfg(features = "c_fast_path")]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 340 -         #[cfg(features = "c_fast_path")]
[INFO] [stdout] 340 +         #[cfg(feature = "c_fast_path")]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/magazine_impl.rs:342:19
[INFO] [stdout]     |
[INFO] [stdout] 342 |         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 342 -         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout] 342 +         #[cfg(not(feature = "c_fast_path"))]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::mill::GUARD_PAGE_SIZE`
[INFO] [stdout]   --> src/mapper.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub use crate::mill::GUARD_PAGE_SIZE;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `id` are never read
[INFO] [stdout]   --> src/class.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub(crate) struct ClassInfo {
[INFO] [stdout]    |                   --------- fields in this struct
[INFO] [stdout] 56 |     pub name: Option<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub id: Class,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data_end` is never read
[INFO] [stdout]    --> src/mill.rs:250:9
[INFO] [stdout]     |
[INFO] [stdout] 242 | struct AllocatedChunk<'a> {
[INFO] [stdout]     |        -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 250 |     pub data_end: usize,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AllocatedChunk` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/cache.rs:231:22
[INFO] [stdout]     |
[INFO] [stdout] 231 |             unsafe { Box::from_raw(dummy) };
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 231 |             unsafe { let _ = Box::from_raw(dummy); };
[INFO] [stdout]     |                      +++++++                     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/cache.rs:349:22
[INFO] [stdout]     |
[INFO] [stdout] 349 |             unsafe { Box::from_raw(new_slice) };
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 349 |             unsafe { let _ = Box::from_raw(new_slice); };
[INFO] [stdout]     |                      +++++++                         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.39s
[INFO] running `Command { std: "docker" "inspect" "a03b1eef499340ecb4f3a83abdaf98eb9029a7fa5d33bbca479ef68f844cf598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a03b1eef499340ecb4f3a83abdaf98eb9029a7fa5d33bbca479ef68f844cf598", kill_on_drop: false }`
[INFO] [stdout] a03b1eef499340ecb4f3a83abdaf98eb9029a7fa5d33bbca479ef68f844cf598
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18ac0106184264e5da7eaa05307a799a40c85d7a29c19846b4072a55dccc8cb0
[INFO] running `Command { std: "docker" "start" "-a" "18ac0106184264e5da7eaa05307a799a40c85d7a29c19846b4072a55dccc8cb0", kill_on_drop: false }`
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling rand_xorshift v0.4.0
[INFO] [stderr] warning: slitter@0.1.0: cargo:rustc-cdylib-link-arg was specified in the build script of slitter v0.1.0 (/opt/rustwide/workdir), but that package does not contain a cdylib target
[INFO] [stderr] 
[INFO] [stderr] Allowing this was an unintended change in the 1.50 release, and may become an error in the future. For more information, see <https://github.com/rust-lang/cargo/issues/9562>.
[INFO] [stderr] warning: slitter@0.1.0: cargo:rustc-cdylib-link-arg was specified in the build script of slitter v0.1.0 (/opt/rustwide/workdir), but that package does not contain a cdylib target
[INFO] [stderr] 
[INFO] [stderr] Allowing this was an unintended change in the 1.50 release, and may become an error in the future. For more information, see <https://github.com/rust-lang/cargo/issues/9562>.
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling contracts v0.6.6
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/cache.rs:433:15
[INFO] [stdout]     |
[INFO] [stdout] 433 |         #[cfg(features = "c_fast_path")]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 433 -         #[cfg(features = "c_fast_path")]
[INFO] [stdout] 433 +         #[cfg(feature = "c_fast_path")]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/cache.rs:435:19
[INFO] [stdout]     |
[INFO] [stdout] 435 |         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 435 -         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout] 435 +         #[cfg(not(feature = "c_fast_path"))]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/cache.rs:492:15
[INFO] [stdout]     |
[INFO] [stdout] 492 |         #[cfg(features = "c_fast_path")]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 492 -         #[cfg(features = "c_fast_path")]
[INFO] [stdout] 492 +         #[cfg(feature = "c_fast_path")]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/cache.rs:494:19
[INFO] [stdout]     |
[INFO] [stdout] 494 |         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 494 -         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout] 494 +         #[cfg(not(feature = "c_fast_path"))]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/magazine_impl.rs:263:15
[INFO] [stdout]     |
[INFO] [stdout] 263 |         #[cfg(features = "c_fast_path")]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 263 -         #[cfg(features = "c_fast_path")]
[INFO] [stdout] 263 +         #[cfg(feature = "c_fast_path")]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/magazine_impl.rs:265:19
[INFO] [stdout]     |
[INFO] [stdout] 265 |         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 265 -         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout] 265 +         #[cfg(not(feature = "c_fast_path"))]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/magazine_impl.rs:340:15
[INFO] [stdout]     |
[INFO] [stdout] 340 |         #[cfg(features = "c_fast_path")]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 340 -         #[cfg(features = "c_fast_path")]
[INFO] [stdout] 340 +         #[cfg(feature = "c_fast_path")]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/magazine_impl.rs:342:19
[INFO] [stdout]     |
[INFO] [stdout] 342 |         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 342 -         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout] 342 +         #[cfg(not(feature = "c_fast_path"))]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::mill::GUARD_PAGE_SIZE`
[INFO] [stdout]   --> src/mapper.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub use crate::mill::GUARD_PAGE_SIZE;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `id` are never read
[INFO] [stdout]   --> src/class.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub(crate) struct ClassInfo {
[INFO] [stdout]    |                   --------- fields in this struct
[INFO] [stdout] 56 |     pub name: Option<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub id: Class,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data_end` is never read
[INFO] [stdout]    --> src/mill.rs:250:9
[INFO] [stdout]     |
[INFO] [stdout] 242 | struct AllocatedChunk<'a> {
[INFO] [stdout]     |        -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 250 |     pub data_end: usize,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AllocatedChunk` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/cache.rs:231:22
[INFO] [stdout]     |
[INFO] [stdout] 231 |             unsafe { Box::from_raw(dummy) };
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 231 |             unsafe { let _ = Box::from_raw(dummy); };
[INFO] [stdout]     |                      +++++++                     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/cache.rs:349:22
[INFO] [stdout]     |
[INFO] [stdout] 349 |             unsafe { Box::from_raw(new_slice) };
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 349 |             unsafe { let _ = Box::from_raw(new_slice); };
[INFO] [stdout]     |                      +++++++                         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling proptest v1.7.0
[INFO] [stderr]    Compiling slitter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0767]: use of unreachable label `'run`
[INFO] [stdout]    --> src/mill.rs:495:5
[INFO] [stdout]     |
[INFO] [stdout] 495 | /     #[invariant(debug_arange_map::is_metadata(self.meta as usize, METADATA_PAGE_SIZE).is_ok(),
[INFO] [stdout] 496 | |                "The metadata region is marked as such.")]
[INFO] [stdout]     | |                                                         ^
[INFO] [stdout]     | |                                                         |
[INFO] [stdout]     | |_________________________________________________________unreachable label `'run`
[INFO] [stdout]     |                                                           unreachable label defined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: labels are unreachable through functions, closures, async blocks and modules
[INFO] [stdout]     = note: this error originates in the attribute macro `invariant` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/cache.rs:100:26
[INFO] [stdout]     |
[INFO] [stdout] 100 | #[ensures(ret.is_some() ->
[INFO] [stdout]     |                          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/cache.rs:103:26
[INFO] [stdout]     |
[INFO] [stdout] 103 | #[ensures(ret.is_some() ->
[INFO] [stdout]     |                          ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/cache.rs:106:26
[INFO] [stdout]     |
[INFO] [stdout] 106 | #[ensures(ret.is_some() ->
[INFO] [stdout]     |                          ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/cache.rs:119:26
[INFO] [stdout]     |
[INFO] [stdout] 119 | #[ensures(ret.is_some() ->
[INFO] [stdout]     |                          ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/cache.rs:122:26
[INFO] [stdout]     |
[INFO] [stdout] 122 | #[ensures(ret.is_some() ->
[INFO] [stdout]     |                          ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/cache.rs:125:26
[INFO] [stdout]     |
[INFO] [stdout] 125 | #[ensures(ret.is_some() ->
[INFO] [stdout]     |                          ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/cache.rs:323:45
[INFO] [stdout]     |
[INFO] [stdout] 323 |     #[ensures(old(self.per_class_is_owned) -> self.per_class_is_owned,
[INFO] [stdout]     |                                             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/cache.rs:391:30
[INFO] [stdout]     |
[INFO] [stdout] 391 |     #[ensures(ret.is_some() ->
[INFO] [stdout]     |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/cache.rs:394:30
[INFO] [stdout]     |
[INFO] [stdout] 394 |     #[ensures(ret.is_some() -> debug_type_map::is_class(class, ret.as_ref().unwrap()).is_ok(),
[INFO] [stdout]     |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/cache.rs:396:30
[INFO] [stdout]     |
[INFO] [stdout] 396 |     #[ensures(ret.is_some() ->
[INFO] [stdout]     |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/cache.rs:433:15
[INFO] [stdout]     |
[INFO] [stdout] 433 |         #[cfg(features = "c_fast_path")]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 433 -         #[cfg(features = "c_fast_path")]
[INFO] [stdout] 433 +         #[cfg(feature = "c_fast_path")]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/cache.rs:435:19
[INFO] [stdout]     |
[INFO] [stdout] 435 |         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 435 -         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout] 435 +         #[cfg(not(feature = "c_fast_path"))]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/cache.rs:423:30
[INFO] [stdout]     |
[INFO] [stdout] 423 |     #[ensures(ret.is_some() ->
[INFO] [stdout]     |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/cache.rs:426:30
[INFO] [stdout]     |
[INFO] [stdout] 426 |     #[ensures(ret.is_some() -> debug_type_map::is_class(class, ret.as_ref().unwrap()).is_ok(),
[INFO] [stdout]     |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/cache.rs:428:30
[INFO] [stdout]     |
[INFO] [stdout] 428 |     #[ensures(ret.is_some() ->
[INFO] [stdout]     |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/cache.rs:492:15
[INFO] [stdout]     |
[INFO] [stdout] 492 |         #[cfg(features = "c_fast_path")]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 492 -         #[cfg(features = "c_fast_path")]
[INFO] [stdout] 492 +         #[cfg(feature = "c_fast_path")]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/cache.rs:494:19
[INFO] [stdout]     |
[INFO] [stdout] 494 |         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 494 -         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout] 494 +         #[cfg(not(feature = "c_fast_path"))]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/class.rs:125:28
[INFO] [stdout]     |
[INFO] [stdout] 125 |     #[ensures(ret.is_ok() ->
[INFO] [stdout]     |                            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/class.rs:128:28
[INFO] [stdout]     |
[INFO] [stdout] 128 |     #[ensures(ret.is_ok() ->
[INFO] [stdout]     |                            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/class.rs:131:28
[INFO] [stdout]     |
[INFO] [stdout] 131 |     #[ensures(ret.is_ok() ->
[INFO] [stdout]     |                            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/class.rs:165:30
[INFO] [stdout]     |
[INFO] [stdout] 165 |     #[ensures(ret.is_none() -> CLASSES.lock().unwrap().iter().all(|info| info.id.id != id),
[INFO] [stdout]     |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/class.rs:167:30
[INFO] [stdout]     |
[INFO] [stdout] 167 |     #[ensures(ret.is_some() -> CLASSES.lock().unwrap()[id.get() as usize - 1].id == ret.unwrap(),
[INFO] [stdout]     |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/class.rs:169:30
[INFO] [stdout]     |
[INFO] [stdout] 169 |     #[ensures(ret.is_some() -> ret.unwrap().id == id,
[INFO] [stdout]     |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/individual.rs:41:30
[INFO] [stdout]    |
[INFO] [stdout] 41 |     #[ensures(ret.is_some() ->
[INFO] [stdout]    |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/individual.rs:44:30
[INFO] [stdout]    |
[INFO] [stdout] 44 |     #[ensures(ret.is_some() -> debug_type_map::ptr_is_class(self, ret.as_ref().unwrap()).is_ok(),
[INFO] [stdout]    |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/individual.rs:46:30
[INFO] [stdout]    |
[INFO] [stdout] 46 |     #[ensures(ret.is_some() -> press::check_allocation(self, ret.as_ref().unwrap().as_ptr() as usize).is_ok(),
[INFO] [stdout]    |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/individual.rs:67:30
[INFO] [stdout]    |
[INFO] [stdout] 67 |     #[ensures(ret.is_some() ->
[INFO] [stdout]    |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/individual.rs:70:30
[INFO] [stdout]    |
[INFO] [stdout] 70 |     #[ensures(ret.is_some() ->
[INFO] [stdout]    |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/individual.rs:73:30
[INFO] [stdout]    |
[INFO] [stdout] 73 |     #[ensures(ret.is_some() ->
[INFO] [stdout]    |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/magazine.rs:257:30
[INFO] [stdout]     |
[INFO] [stdout] 257 |     #[ensures(ret.is_some() -> !ret.as_ref().unwrap().is_empty(),
[INFO] [stdout]     |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/magazine.rs:259:30
[INFO] [stdout]     |
[INFO] [stdout] 259 |     #[ensures(ret.is_some() ->
[INFO] [stdout]     |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/magazine.rs:310:30
[INFO] [stdout]     |
[INFO] [stdout] 310 |     #[ensures(ret.is_none() -> mag.is_empty(),
[INFO] [stdout]     |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/magazine.rs:312:30
[INFO] [stdout]     |
[INFO] [stdout] 312 |     #[ensures(ret.is_some() ->
[INFO] [stdout]     |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/magazine.rs:315:30
[INFO] [stdout]     |
[INFO] [stdout] 315 |     #[ensures(ret.is_some() ->
[INFO] [stdout]     |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/magazine.rs:318:30
[INFO] [stdout]     |
[INFO] [stdout] 318 |     #[ensures(ret.is_some() ->
[INFO] [stdout]     |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/magazine_impl.rs:263:15
[INFO] [stdout]     |
[INFO] [stdout] 263 |         #[cfg(features = "c_fast_path")]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 263 -         #[cfg(features = "c_fast_path")]
[INFO] [stdout] 263 +         #[cfg(feature = "c_fast_path")]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/magazine_impl.rs:265:19
[INFO] [stdout]     |
[INFO] [stdout] 265 |         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 265 -         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout] 265 +         #[cfg(not(feature = "c_fast_path"))]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/magazine_impl.rs:251:30
[INFO] [stdout]     |
[INFO] [stdout] 251 |     #[ensures(ret.is_none() -> self.top_of_stack == old(self.top_of_stack) + 1,
[INFO] [stdout]     |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/magazine_impl.rs:253:30
[INFO] [stdout]     |
[INFO] [stdout] 253 |     #[ensures(ret.is_some() -> self.top_of_stack == old(self.top_of_stack),
[INFO] [stdout]     |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/magazine_impl.rs:255:30
[INFO] [stdout]     |
[INFO] [stdout] 255 |     #[ensures(ret.is_some() -> old(freed.get().as_ptr()) == ret.as_ref().unwrap().get().as_ptr(),
[INFO] [stdout]     |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/magazine_impl.rs:257:30
[INFO] [stdout]     |
[INFO] [stdout] 257 |     #[ensures(ret.is_none() -> old(freed.get().as_ptr()) == self.peek(),
[INFO] [stdout]     |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/magazine_impl.rs:340:15
[INFO] [stdout]     |
[INFO] [stdout] 340 |         #[cfg(features = "c_fast_path")]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 340 -         #[cfg(features = "c_fast_path")]
[INFO] [stdout] 340 +         #[cfg(feature = "c_fast_path")]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/magazine_impl.rs:342:19
[INFO] [stdout]     |
[INFO] [stdout] 342 |         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 342 -         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout] 342 +         #[cfg(not(feature = "c_fast_path"))]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/magazine_impl.rs:332:30
[INFO] [stdout]     |
[INFO] [stdout] 332 |     #[ensures(ret.is_none() -> self.top_of_stack == old(self.top_of_stack),
[INFO] [stdout]     |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/magazine_impl.rs:334:30
[INFO] [stdout]     |
[INFO] [stdout] 334 |     #[ensures(ret.is_some() -> self.top_of_stack == old(self.top_of_stack) - 1,
[INFO] [stdout]     |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/magazine_impl.rs:336:30
[INFO] [stdout]     |
[INFO] [stdout] 336 |     #[ensures(ret.is_some() -> ret.as_ref().unwrap().get().as_ptr() == old(self.peek()),
[INFO] [stdout]     |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/magazine_stack.rs:63:30
[INFO] [stdout]    |
[INFO] [stdout] 63 |     #[ensures(ret.is_some() ->
[INFO] [stdout]    |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/magazine_stack.rs:83:30
[INFO] [stdout]    |
[INFO] [stdout] 83 |     #[ensures(ret.is_some() ->
[INFO] [stdout]    |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/mapper.rs:56:28
[INFO] [stdout]    |
[INFO] [stdout] 56 |     #[ensures(ret.is_ok() -> debug_arange_map::reserve_range(ret.unwrap().0.as_ptr() as usize, ret.unwrap().1).is_ok())]
[INFO] [stdout]    |                            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/mapper.rs:57:28
[INFO] [stdout]    |
[INFO] [stdout] 57 |     #[ensures(ret.is_ok() -> ret.as_ref().unwrap().0.as_ptr() != std::ptr::null_mut(),
[INFO] [stdout]    |                            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/mapper.rs:59:28
[INFO] [stdout]    |
[INFO] [stdout] 59 |     #[ensures(ret.is_ok() -> ret.as_ref().unwrap().1 < usize::MAX - ret.as_ref().unwrap().0.as_ptr() as usize,
[INFO] [stdout]    |                            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/mapper.rs:76:28
[INFO] [stdout]    |
[INFO] [stdout] 76 |     #[ensures(ret.is_ok() -> debug_arange_map::release_range(base.as_ptr() as usize, size).is_ok())]
[INFO] [stdout]    |                            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/mapper.rs:85:28
[INFO] [stdout]    |
[INFO] [stdout] 85 |     #[ensures(ret.is_ok() -> debug_arange_map::mark_metadata(base.as_ptr() as usize, size).is_ok())]
[INFO] [stdout]    |                            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/mapper.rs:94:28
[INFO] [stdout]    |
[INFO] [stdout] 94 |     #[ensures(ret.is_ok() -> debug_arange_map::mark_data(base.as_ptr() as usize, size).is_ok())]
[INFO] [stdout]    |                            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/mill.rs:550:28
[INFO] [stdout]     |
[INFO] [stdout] 550 |     #[ensures(ret.is_ok() ->
[INFO] [stdout]     |                            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/mill.rs:554:28
[INFO] [stdout]     |
[INFO] [stdout] 554 |     #[ensures(ret.is_ok() ->
[INFO] [stdout]     |                            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/mill.rs:581:30
[INFO] [stdout]     |
[INFO] [stdout] 581 |     #[ensures(ret.is_none() -> chunk.next_free_span == old(chunk.next_free_span),
[INFO] [stdout]     |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/mill.rs:583:30
[INFO] [stdout]     |
[INFO] [stdout] 583 |     #[ensures(ret.is_some() ->
[INFO] [stdout]     |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/mill.rs:586:30
[INFO] [stdout]     |
[INFO] [stdout] 586 |     #[ensures(ret.is_some() ->
[INFO] [stdout]     |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/press.rs:191:30
[INFO] [stdout]     |
[INFO] [stdout] 191 |     #[ensures(ret.is_some() -> ret.unwrap().1.get() <= max_count.get(),
[INFO] [stdout]     |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/press.rs:193:30
[INFO] [stdout]     |
[INFO] [stdout] 193 |     #[ensures(ret.is_some() -> ret.unwrap().0.get() as usize % self.layout.align() == 0,
[INFO] [stdout]     |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/press.rs:195:30
[INFO] [stdout]     |
[INFO] [stdout] 195 |     #[ensures(ret.is_some() -> self.associate_range(ret.unwrap().0.get(), ret.unwrap().1.get()).is_ok(),
[INFO] [stdout]     |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/press.rs:197:30
[INFO] [stdout]     |
[INFO] [stdout] 197 |     #[ensures(ret.is_some() ->
[INFO] [stdout]     |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/press.rs:200:30
[INFO] [stdout]     |
[INFO] [stdout] 200 |     #[ensures(ret.is_some() -> self.check_allocation_range(ret.unwrap().0.get(), ret.unwrap().1.get()).is_ok(),
[INFO] [stdout]     |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/press.rs:265:28
[INFO] [stdout]     |
[INFO] [stdout] 265 |     #[ensures(ret.is_ok() ->
[INFO] [stdout]     |                            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/press.rs:323:54
[INFO] [stdout]     |
[INFO] [stdout] 323 |     #[ensures(ret.is_ok() && ret.unwrap().is_some() ->
[INFO] [stdout]     |                                                      ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/press.rs:326:54
[INFO] [stdout]     |
[INFO] [stdout] 326 |     #[ensures(ret.is_ok() && ret.unwrap().is_some() ->
[INFO] [stdout]     |                                                      ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/press.rs:329:54
[INFO] [stdout]     |
[INFO] [stdout] 329 |     #[ensures(ret.is_ok() && ret.unwrap().is_some() ->
[INFO] [stdout]     |                                                      ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/press.rs:351:30
[INFO] [stdout]     |
[INFO] [stdout] 351 |     #[ensures(ret.is_some() ->
[INFO] [stdout]     |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/press.rs:354:30
[INFO] [stdout]     |
[INFO] [stdout] 354 |     #[ensures(ret.is_some() ->
[INFO] [stdout]     |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/press.rs:357:30
[INFO] [stdout]     |
[INFO] [stdout] 357 |     #[ensures(ret.is_some() ->
[INFO] [stdout]     |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/press.rs:370:30
[INFO] [stdout]     |
[INFO] [stdout] 370 |     #[ensures(ret.is_some() ->
[INFO] [stdout]     |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/press.rs:373:30
[INFO] [stdout]     |
[INFO] [stdout] 373 |     #[ensures(ret.is_some() ->
[INFO] [stdout]     |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/press.rs:376:30
[INFO] [stdout]     |
[INFO] [stdout] 376 |     #[ensures(ret.is_some() ->
[INFO] [stdout]     |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/press.rs:393:32
[INFO] [stdout]     |
[INFO] [stdout] 393 |     #[ensures(ret.1.is_some() ->
[INFO] [stdout]     |                                ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/press.rs:396:32
[INFO] [stdout]     |
[INFO] [stdout] 396 |     #[ensures(ret.1.is_some() ->
[INFO] [stdout]     |                                ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/press.rs:399:32
[INFO] [stdout]     |
[INFO] [stdout] 399 |     #[ensures(ret.1.is_some() ->
[INFO] [stdout]     |                                ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/press.rs:402:32
[INFO] [stdout]     |
[INFO] [stdout] 402 |     #[ensures(ret.1.is_none() -> ret.0 == 0,
[INFO] [stdout]     |                                ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0268]: `break` outside of a loop or labeled block
[INFO] [stdout]    --> src/mill.rs:495:5
[INFO] [stdout]     |
[INFO] [stdout] 495 | /     #[invariant(debug_arange_map::is_metadata(self.meta as usize, METADATA_PAGE_SIZE).is_ok(),
[INFO] [stdout] 496 | |                "The metadata region is marked as such.")]
[INFO] [stdout]     | |_________________________________________________________^ cannot `break` outside of a loop or labeled block
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `invariant` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/debug_allocation_map.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let mut info = map
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/debug_allocation_map.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let mut info = map
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0268, E0767.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0268`.
[INFO] [stdout] 
[INFO] [stderr] warning: slitter@0.1.0: cargo:rustc-cdylib-link-arg was specified in the build script of slitter v0.1.0 (/opt/rustwide/workdir), but that package does not contain a cdylib target
[INFO] [stderr] 
[INFO] [stderr] Allowing this was an unintended change in the 1.50 release, and may become an error in the future. For more information, see <https://github.com/rust-lang/cargo/issues/9562>.
[INFO] [stderr] warning: slitter@0.1.0: cargo:rustc-cdylib-link-arg was specified in the build script of slitter v0.1.0 (/opt/rustwide/workdir), but that package does not contain a cdylib target
[INFO] [stderr] 
[INFO] [stderr] Allowing this was an unintended change in the 1.50 release, and may become an error in the future. For more information, see <https://github.com/rust-lang/cargo/issues/9562>.
[INFO] [stderr] error: could not compile `slitter` (lib test) due to 2 previous errors; 80 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "18ac0106184264e5da7eaa05307a799a40c85d7a29c19846b4072a55dccc8cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18ac0106184264e5da7eaa05307a799a40c85d7a29c19846b4072a55dccc8cb0", kill_on_drop: false }`
[INFO] [stdout] 18ac0106184264e5da7eaa05307a799a40c85d7a29c19846b4072a55dccc8cb0