[INFO] fetching crate tectonic_engine_bibtex 0.2.2...
[INFO] testing tectonic_engine_bibtex-0.2.2 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate tectonic_engine_bibtex 0.2.2 into /workspace/builds/worker-4-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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tectonic_engine_bibtex 0.2.2 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 60 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6461762ada11a2c7d614e406b2c413d39b6c7ecd73477a09bd8d76ae56e4669
[INFO] running `Command { std: "docker" "start" "-a" "b6461762ada11a2c7d614e406b2c413d39b6c7ecd73477a09bd8d76ae56e4669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6461762ada11a2c7d614e406b2c413d39b6c7ecd73477a09bd8d76ae56e4669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6461762ada11a2c7d614e406b2c413d39b6c7ecd73477a09bd8d76ae56e4669", kill_on_drop: false }`
[INFO] [stdout] b6461762ada11a2c7d614e406b2c413d39b6c7ecd73477a09bd8d76ae56e4669
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d73694e946a54e3084b17a31da8618b060eee412dc8c84160e0ccbde8e411f6
[INFO] running `Command { std: "docker" "start" "-a" "4d73694e946a54e3084b17a31da8618b060eee412dc8c84160e0ccbde8e411f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling find-msvc-tools v0.1.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]    Compiling xdg v2.5.2
[INFO] [stderr]    Compiling cc v1.2.39
[INFO] [stderr]    Compiling app_dirs2 v2.5.5
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling md-5 v0.10.6
[INFO] [stderr]    Compiling tectonic_errors v0.2.1
[INFO] [stderr]    Compiling tectonic_status_base v0.2.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling libz-sys v1.1.22
[INFO] [stderr]    Compiling tectonic_bridge_core v0.4.1
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling tectonic_io_base v0.4.3
[INFO] [stderr]    Compiling 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/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/slice/mod.rs:114:5
[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] running `Command { std: "docker" "inspect" "4d73694e946a54e3084b17a31da8618b060eee412dc8c84160e0ccbde8e411f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d73694e946a54e3084b17a31da8618b060eee412dc8c84160e0ccbde8e411f6", kill_on_drop: false }`
[INFO] [stdout] 4d73694e946a54e3084b17a31da8618b060eee412dc8c84160e0ccbde8e411f6