[INFO] fetching crate fixed-slice-vec 0.10.0...
[INFO] checking fixed-slice-vec-0.10.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate fixed-slice-vec 0.10.0 into /workspace/builds/worker-3-tc1/source
[INFO] removed /workspace/builds/worker-3-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-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fixed-slice-vec 0.10.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 55 packages to latest compatible versions
[INFO] [stderr]       Adding arrayvec v0.5.2 (available: v0.7.6)
[INFO] [stderr]       Adding proptest v0.9.6 (available: v1.7.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rusty-fork v0.2.2
[INFO] [stderr]   Downloaded proptest v0.9.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1b923d4a3b4742a0f5f8f69c563d8b6db0d507f071cfffe9b7e3c4f7ddf3531
[INFO] running `Command { std: "docker" "start" "-a" "e1b923d4a3b4742a0f5f8f69c563d8b6db0d507f071cfffe9b7e3c4f7ddf3531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1b923d4a3b4742a0f5f8f69c563d8b6db0d507f071cfffe9b7e3c4f7ddf3531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1b923d4a3b4742a0f5f8f69c563d8b6db0d507f071cfffe9b7e3c4f7ddf3531", kill_on_drop: false }`
[INFO] [stdout] e1b923d4a3b4742a0f5f8f69c563d8b6db0d507f071cfffe9b7e3c4f7ddf3531
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b5751a7f66242b836c15b190862caacf75e201134923aff19b4015d87c3b51e
[INFO] running `Command { std: "docker" "start" "-a" "1b5751a7f66242b836c15b190862caacf75e201134923aff19b4015d87c3b51e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]     Checking fixed-slice-vec v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking wait-timeout v0.2.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[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" "1b5751a7f66242b836c15b190862caacf75e201134923aff19b4015d87c3b51e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b5751a7f66242b836c15b190862caacf75e201134923aff19b4015d87c3b51e", kill_on_drop: false }`
[INFO] [stdout] 1b5751a7f66242b836c15b190862caacf75e201134923aff19b4015d87c3b51e