[INFO] fetching crate fixed-slice-vec 0.10.0...
[INFO] checking fixed-slice-vec-0.10.0 against master#a5db378dc14a40dd1580c27fb8362156446382c3 for pr-136490
[INFO] extracting crate fixed-slice-vec 0.10.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate fixed-slice-vec 0.10.0 on toolchain a5db378dc14a40dd1580c27fb8362156446382c3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5db378dc14a40dd1580c27fb8362156446382c3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate fixed-slice-vec 0.10.0
[INFO] finished tweaking crates.io crate fixed-slice-vec 0.10.0
[INFO] tweaked toml for crates.io crate fixed-slice-vec 0.10.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5db378dc14a40dd1580c27fb8362156446382c3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 53 packages to latest compatible versions
[INFO] [stderr]       Adding arrayvec v0.5.2 (available: v0.7.6)
[INFO] [stderr]       Adding proptest v0.9.6 (available: v1.6.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5db378dc14a40dd1580c27fb8362156446382c3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a5db378dc14a40dd1580c27fb8362156446382c3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8042616e0a0679fd88984107f12df84285dfa8f9d6e56fef9604f0a5705c914
[INFO] running `Command { std: "docker" "start" "-a" "a8042616e0a0679fd88984107f12df84285dfa8f9d6e56fef9604f0a5705c914", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8042616e0a0679fd88984107f12df84285dfa8f9d6e56fef9604f0a5705c914", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8042616e0a0679fd88984107f12df84285dfa8f9d6e56fef9604f0a5705c914", kill_on_drop: false }`
[INFO] [stdout] a8042616e0a0679fd88984107f12df84285dfa8f9d6e56fef9604f0a5705c914
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a5db378dc14a40dd1580c27fb8362156446382c3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d519399ba47e7f03ff70a8673ebb11c06259fabbd9f723abec3eb7a156c1ae82
[INFO] running `Command { std: "docker" "start" "-a" "d519399ba47e7f03ff70a8673ebb11c06259fabbd9f723abec3eb7a156c1ae82", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]     Checking bitflags v2.8.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]     Checking once_cell v1.20.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking fixed-slice-vec v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stdout] error: returned pointer of `as_ptr` call is never null, so checking it for null will always return false
[INFO] [stdout]   --> src/single.rs:51:20
[INFO] [stdout]    |
[INFO] [stdout] 51 |     debug_assert!(!destination.as_ptr().is_null());
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(useless_ptr_null_checks)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: returned pointer of `as_ptr` call is never null, so checking it for null will always return false
[INFO] [stdout]   --> src/single.rs:87:20
[INFO] [stdout]    |
[INFO] [stdout] 87 |     debug_assert!(!destination.as_ptr().is_null());
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: returned pointer of `as_ptr` call is never null, so checking it for null will always return false
[INFO] [stdout]    --> src/single.rs:124:20
[INFO] [stdout]     |
[INFO] [stdout] 124 |     debug_assert!(!destination.as_ptr().is_null());
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: returned pointer of `as_ptr` call is never null, so checking it for null will always return false
[INFO] [stdout]    --> src/single.rs:155:20
[INFO] [stdout]     |
[INFO] [stdout] 155 |     debug_assert!(!destination.as_ptr().is_null());
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fixed-slice-vec` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d519399ba47e7f03ff70a8673ebb11c06259fabbd9f723abec3eb7a156c1ae82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d519399ba47e7f03ff70a8673ebb11c06259fabbd9f723abec3eb7a156c1ae82", kill_on_drop: false }`
[INFO] [stdout] d519399ba47e7f03ff70a8673ebb11c06259fabbd9f723abec3eb7a156c1ae82