[INFO] fetching crate libcramjam 0.8.0...
[INFO] checking libcramjam-0.8.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate libcramjam 0.8.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate libcramjam 0.8.0
[INFO] finished tweaking crates.io crate libcramjam 0.8.0
[INFO] tweaked toml for crates.io crate libcramjam 0.8.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libcramjam 0.8.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate libcramjam 0.8.0 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: version requirement `0.4.0+2.15.2` for dependency `blosc2-rs` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7512fa34c7a509e45dee7089aa3bc940f8f7af8d48d473d48c87fde5d21170c
[INFO] running `Command { std: "docker" "start" "-a" "a7512fa34c7a509e45dee7089aa3bc940f8f7af8d48d473d48c87fde5d21170c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7512fa34c7a509e45dee7089aa3bc940f8f7af8d48d473d48c87fde5d21170c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7512fa34c7a509e45dee7089aa3bc940f8f7af8d48d473d48c87fde5d21170c", kill_on_drop: false }`
[INFO] [stdout] a7512fa34c7a509e45dee7089aa3bc940f8f7af8d48d473d48c87fde5d21170c
[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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fd6c8efa6d17a5b0ff1bef2a7c37d791bf3e1d3280dc470c7b7c718e3104bd2
[INFO] running `Command { std: "docker" "start" "-a" "6fd6c8efa6d17a5b0ff1bef2a7c37d791bf3e1d3280dc470c7b7c718e3104bd2", kill_on_drop: false }`
[INFO] [stderr] warning: version requirement `0.4.0+2.15.2` for dependency `blosc2-rs` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling libcramjam v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]     Checking miniz_oxide v0.8.8
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]     Checking brotli-decompressor v4.0.3
[INFO] [stderr]     Checking flate2 v1.1.1
[INFO] [stderr]     Checking brotli v7.0.0
[INFO] [stderr]    Compiling jobserver v0.1.33
[INFO] [stderr]    Compiling cc v1.2.25
[INFO] [stderr]    Compiling zstd-sys v2.0.15+zstd.1.5.7
[INFO] [stderr]    Compiling lz4-sys v1.11.1+lz4-1.10.0
[INFO] [stderr]    Compiling bzip2-sys v0.1.13+1.0.8
[INFO] [stderr]    Compiling libdeflate-sys v1.19.3
[INFO] [stderr]    Compiling lzma-sys v0.1.20
[INFO] [stderr]     Checking bzip2 v0.5.2
[INFO] [stderr]     Checking xz2 v0.1.7
[INFO] [stderr]     Checking zstd v0.13.3
[INFO] [stderr]     Checking lz4 v1.28.1
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/lib.rs:60:40
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let mut bytes = read_dir_files(std::path::PathBuf::from_str("./src").unwrap());
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libcramjam` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "6fd6c8efa6d17a5b0ff1bef2a7c37d791bf3e1d3280dc470c7b7c718e3104bd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fd6c8efa6d17a5b0ff1bef2a7c37d791bf3e1d3280dc470c7b7c718e3104bd2", kill_on_drop: false }`
[INFO] [stdout] 6fd6c8efa6d17a5b0ff1bef2a7c37d791bf3e1d3280dc470c7b7c718e3104bd2