[INFO] fetching crate tectonic_engine_bibtex 0.2.2...
[INFO] checking tectonic_engine_bibtex-0.2.2 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate tectonic_engine_bibtex 0.2.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate tectonic_engine_bibtex 0.2.2
[INFO] finished tweaking crates.io crate tectonic_engine_bibtex 0.2.2
[INFO] tweaked toml for crates.io crate tectonic_engine_bibtex 0.2.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tectonic_engine_bibtex 0.2.2 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 67 packages to latest compatible versions
[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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 8346ecd2fb23a93071789fb18d94941cea9034f3fe5aa6c739fbfdfd7b9358ec
[INFO] running `Command { std: "docker" "start" "-a" "8346ecd2fb23a93071789fb18d94941cea9034f3fe5aa6c739fbfdfd7b9358ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8346ecd2fb23a93071789fb18d94941cea9034f3fe5aa6c739fbfdfd7b9358ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8346ecd2fb23a93071789fb18d94941cea9034f3fe5aa6c739fbfdfd7b9358ec", kill_on_drop: false }`
[INFO] [stdout] 8346ecd2fb23a93071789fb18d94941cea9034f3fe5aa6c739fbfdfd7b9358ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4ea1d19d8b31da4ae2c33e91c0c914d48052e5d6a32593004158480f09b4e086
[INFO] running `Command { std: "docker" "start" "-a" "4ea1d19d8b31da4ae2c33e91c0c914d48052e5d6a32593004158480f09b4e086", kill_on_drop: false }`
[INFO] [stderr]     Checking xdg v2.5.2
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]    Compiling libz-sys v1.1.22
[INFO] [stderr]    Compiling tectonic_bridge_core v0.4.1
[INFO] [stderr]     Checking tectonic_errors v0.2.1
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking tectonic_status_base v0.2.1
[INFO] [stderr]     Checking app_dirs2 v2.5.5
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking md-5 v0.10.6
[INFO] [stderr]     Checking flate2 v1.1.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking tectonic_io_base v0.4.3
[INFO] [stderr]     Checking tectonic_engine_bibtex v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]   --> src/xbuf.rs:55:19
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let old_len = (*old).len();
[INFO] [stdout]    |                   ^^---^^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     this raw pointer has type `*mut [T]`
[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: `&[T]`
[INFO] [stdout]   --> src/xbuf.rs:55:19
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let old_len = (*old).len();
[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] 55 |     let old_len = (&(*old)).len();
[INFO] [stdout]    |                   ++      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tectonic_engine_bibtex` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]   --> src/xbuf.rs:55:19
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let old_len = (*old).len();
[INFO] [stdout]    |                   ^^---^^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     this raw pointer has type `*mut [T]`
[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: `&[T]`
[INFO] [stdout]   --> src/xbuf.rs:55:19
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let old_len = (*old).len();
[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] 55 |     let old_len = (&(*old)).len();
[INFO] [stdout]    |                   ++      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tectonic_engine_bibtex` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "4ea1d19d8b31da4ae2c33e91c0c914d48052e5d6a32593004158480f09b4e086", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ea1d19d8b31da4ae2c33e91c0c914d48052e5d6a32593004158480f09b4e086", kill_on_drop: false }`
[INFO] [stdout] 4ea1d19d8b31da4ae2c33e91c0c914d48052e5d6a32593004158480f09b4e086