[INFO] fetching crate tectonic_engine_bibtex 0.2.2...
[INFO] testing tectonic_engine_bibtex-0.2.2 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate tectonic_engine_bibtex 0.2.2 into /workspace/builds/worker-5-tc1/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-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tectonic_engine_bibtex 0.2.2 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 61 packages to latest compatible versions
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tectonic_status_base v0.2.1
[INFO] [stderr]   Downloaded xdg v2.5.2
[INFO] [stderr]   Downloaded tectonic_errors v0.2.1
[INFO] [stderr]   Downloaded app_dirs2 v2.5.5
[INFO] [stderr]   Downloaded tectonic_io_base v0.4.3
[INFO] [stderr]   Downloaded tectonic_bridge_core v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3978b40f6a7918a01f6130689d2b57e98b11323074531f5866abc7d103d8ff4e
[INFO] running `Command { std: "docker" "start" "-a" "3978b40f6a7918a01f6130689d2b57e98b11323074531f5866abc7d103d8ff4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3978b40f6a7918a01f6130689d2b57e98b11323074531f5866abc7d103d8ff4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3978b40f6a7918a01f6130689d2b57e98b11323074531f5866abc7d103d8ff4e", kill_on_drop: false }`
[INFO] [stdout] 3978b40f6a7918a01f6130689d2b57e98b11323074531f5866abc7d103d8ff4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1dbf8ea69695f978d7743456de04f24a7f34ce1974b2afaf270d554e656ed750
[INFO] running `Command { std: "docker" "start" "-a" "1dbf8ea69695f978d7743456de04f24a7f34ce1974b2afaf270d554e656ed750", kill_on_drop: false }`
[INFO] [stderr]    Compiling xdg v2.5.2
[INFO] [stderr]    Compiling libz-sys v1.1.23
[INFO] [stderr]    Compiling tectonic_bridge_core v0.4.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling tectonic_errors v0.2.1
[INFO] [stderr]    Compiling tectonic_status_base v0.2.1
[INFO] [stderr]    Compiling app_dirs2 v2.5.5
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling flate2 v1.1.5
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling md-5 v0.10.6
[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/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/slice/mod.rs:114:4
[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" "1dbf8ea69695f978d7743456de04f24a7f34ce1974b2afaf270d554e656ed750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dbf8ea69695f978d7743456de04f24a7f34ce1974b2afaf270d554e656ed750", kill_on_drop: false }`
[INFO] [stdout] 1dbf8ea69695f978d7743456de04f24a7f34ce1974b2afaf270d554e656ed750