[INFO] fetching crate fixed-slice-vec 0.10.0...
[INFO] testing fixed-slice-vec-0.10.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate fixed-slice-vec 0.10.0 into /workspace/builds/worker-6-tc2/source
[INFO] removed /workspace/builds/worker-6-tc2/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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fixed-slice-vec 0.10.0 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 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 9dd5105cbd79eeccb1fcb16a5af97d397c3bb23f94f9b87dbf4d8988a4e51bf6
[INFO] running `Command { std: "docker" "start" "-a" "9dd5105cbd79eeccb1fcb16a5af97d397c3bb23f94f9b87dbf4d8988a4e51bf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9dd5105cbd79eeccb1fcb16a5af97d397c3bb23f94f9b87dbf4d8988a4e51bf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dd5105cbd79eeccb1fcb16a5af97d397c3bb23f94f9b87dbf4d8988a4e51bf6", kill_on_drop: false }`
[INFO] [stdout] 9dd5105cbd79eeccb1fcb16a5af97d397c3bb23f94f9b87dbf4d8988a4e51bf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d6522bed234369dbf3e76be12926aba352c75fab67b7c9ac3c9e0b69a5e88a1d
[INFO] running `Command { std: "docker" "start" "-a" "d6522bed234369dbf3e76be12926aba352c75fab67b7c9ac3c9e0b69a5e88a1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling fixed-slice-vec v0.10.0 (/opt/rustwide/workdir)
[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] running `Command { std: "docker" "inspect" "d6522bed234369dbf3e76be12926aba352c75fab67b7c9ac3c9e0b69a5e88a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6522bed234369dbf3e76be12926aba352c75fab67b7c9ac3c9e0b69a5e88a1d", kill_on_drop: false }`
[INFO] [stdout] d6522bed234369dbf3e76be12926aba352c75fab67b7c9ac3c9e0b69a5e88a1d