[INFO] fetching crate disk-chan 0.3.0...
[INFO] checking disk-chan-0.3.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate disk-chan 0.3.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate disk-chan 0.3.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate disk-chan 0.3.0
[INFO] tweaked toml for crates.io crate disk-chan 0.3.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate disk-chan 0.3.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate disk-chan 0.3.0 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a6f3c1efb071ad5979e738ccfb292d671163b7df80ece72af822b6c9b7ab375
[INFO] running `Command { std: "docker" "start" "-a" "2a6f3c1efb071ad5979e738ccfb292d671163b7df80ece72af822b6c9b7ab375", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a6f3c1efb071ad5979e738ccfb292d671163b7df80ece72af822b6c9b7ab375", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a6f3c1efb071ad5979e738ccfb292d671163b7df80ece72af822b6c9b7ab375", kill_on_drop: false }`
[INFO] [stdout] 2a6f3c1efb071ad5979e738ccfb292d671163b7df80ece72af822b6c9b7ab375
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15dba405feff42ac58625894a49c7ac871d46485d7fb8fc570b3ae44b39ac8b7
[INFO] running `Command { std: "docker" "start" "-a" "15dba405feff42ac58625894a49c7ac871d46485d7fb8fc570b3ae44b39ac8b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.15
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking log v0.4.25
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking const-str v0.6.0
[INFO] [stderr]     Checking base62 v2.2.1
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking socket2 v0.5.8
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking atomic-wait v1.1.0
[INFO] [stderr]     Checking memmap2 v0.9.5
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]     Checking tokio v1.43.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking disk-chan v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]   --> src/disk_chan_page.rs:95:18
[INFO] [stdout]    |
[INFO] [stdout] 95 |         unsafe { (*self.inner.get()).len() - size_of::<ChanPagePersist<[u8; 0]>>() }
[INFO] [stdout]    |                  ^^----------------^^^^^^^
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    this raw pointer has type `*mut MmapMut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&[u8]`
[INFO] [stdout]   --> src/disk_chan_page.rs:95:18
[INFO] [stdout]    |
[INFO] [stdout] 95 |         unsafe { (*self.inner.get()).len() - size_of::<ChanPagePersist<[u8; 0]>>() }
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: method calls to `len` require a reference
[INFO] [stdout]   --> /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/core/src/slice/mod.rs:116:5
[INFO] [stdout]    = note: `#[deny(dangerous_implicit_autorefs)]` on by default
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]    |
[INFO] [stdout] 95 |         unsafe { (&(*self.inner.get())).len() - size_of::<ChanPagePersist<[u8; 0]>>() }
[INFO] [stdout]    |                  ++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]   --> src/disk_chan_page.rs:95:18
[INFO] [stdout]    |
[INFO] [stdout] 95 |         unsafe { (*self.inner.get()).len() - size_of::<ChanPagePersist<[u8; 0]>>() }
[INFO] [stdout]    |                  ^^----------------^^^^^^^
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    this raw pointer has type `*mut MmapMut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&[u8]`
[INFO] [stdout]   --> src/disk_chan_page.rs:95:18
[INFO] [stdout]    |
[INFO] [stdout] 95 |         unsafe { (*self.inner.get()).len() - size_of::<ChanPagePersist<[u8; 0]>>() }
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: method calls to `len` require a reference
[INFO] [stdout]   --> /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/core/src/slice/mod.rs:116:5
[INFO] [stdout]    = note: `#[deny(dangerous_implicit_autorefs)]` on by default
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]    |
[INFO] [stdout] 95 |         unsafe { (&(*self.inner.get())).len() - size_of::<ChanPagePersist<[u8; 0]>>() }
[INFO] [stdout]    |                  ++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `disk-chan` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `disk-chan` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "15dba405feff42ac58625894a49c7ac871d46485d7fb8fc570b3ae44b39ac8b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15dba405feff42ac58625894a49c7ac871d46485d7fb8fc570b3ae44b39ac8b7", kill_on_drop: false }`
[INFO] [stdout] 15dba405feff42ac58625894a49c7ac871d46485d7fb8fc570b3ae44b39ac8b7