[INFO] fetching crate tectonic_xdv 0.2.2...
[INFO] testing tectonic_xdv-0.2.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate tectonic_xdv 0.2.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate tectonic_xdv 0.2.2
[INFO] finished tweaking crates.io crate tectonic_xdv 0.2.2
[INFO] tweaked toml for crates.io crate tectonic_xdv 0.2.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tectonic_xdv 0.2.2 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tectonic_xdv 0.2.2 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9de3250f5a5bc3181ac23de7a0959ac7d5130255e2e838da1a163020a157312
[INFO] running `Command { std: "docker" "start" "-a" "d9de3250f5a5bc3181ac23de7a0959ac7d5130255e2e838da1a163020a157312", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9de3250f5a5bc3181ac23de7a0959ac7d5130255e2e838da1a163020a157312", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9de3250f5a5bc3181ac23de7a0959ac7d5130255e2e838da1a163020a157312", kill_on_drop: false }`
[INFO] [stdout] d9de3250f5a5bc3181ac23de7a0959ac7d5130255e2e838da1a163020a157312
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69a51a3774f36d7b909ed2c44717238552364924d74dcb1ab3176905511dfce1
[INFO] running `Command { std: "docker" "start" "-a" "69a51a3774f36d7b909ed2c44717238552364924d74dcb1ab3176905511dfce1", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling tectonic_xdv v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]     --> src/lib.rs:1232:27
[INFO] [stdout]      |
[INFO] [stdout] 1232 |         let rv = unsafe { mem::transmute(self.buf[0]) };
[INFO] [stdout]      |                           --------------^^^^^^^^^^^^^
[INFO] [stdout]      |                           |
[INFO] [stdout]      |                           help: replace this with: `u8::cast_signed`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "69a51a3774f36d7b909ed2c44717238552364924d74dcb1ab3176905511dfce1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69a51a3774f36d7b909ed2c44717238552364924d74dcb1ab3176905511dfce1", kill_on_drop: false }`
[INFO] [stdout] 69a51a3774f36d7b909ed2c44717238552364924d74dcb1ab3176905511dfce1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d37aea319db3119f5f5d95fb064b7808cba0a140c6ce0d0487b93463e945af56
[INFO] running `Command { std: "docker" "start" "-a" "d37aea319db3119f5f5d95fb064b7808cba0a140c6ce0d0487b93463e945af56", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]     --> src/lib.rs:1232:27
[INFO] [stdout]      |
[INFO] [stdout] 1232 |         let rv = unsafe { mem::transmute(self.buf[0]) };
[INFO] [stdout]      |                           --------------^^^^^^^^^^^^^
[INFO] [stdout]      |                           |
[INFO] [stdout]      |                           help: replace this with: `u8::cast_signed`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling tectonic_xdv v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]     --> src/lib.rs:1232:27
[INFO] [stdout]      |
[INFO] [stdout] 1232 |         let rv = unsafe { mem::transmute(self.buf[0]) };
[INFO] [stdout]      |                           --------------^^^^^^^^^^^^^
[INFO] [stdout]      |                           |
[INFO] [stdout]      |                           help: replace this with: `u8::cast_signed`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.19s
[INFO] running `Command { std: "docker" "inspect" "d37aea319db3119f5f5d95fb064b7808cba0a140c6ce0d0487b93463e945af56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d37aea319db3119f5f5d95fb064b7808cba0a140c6ce0d0487b93463e945af56", kill_on_drop: false }`
[INFO] [stdout] d37aea319db3119f5f5d95fb064b7808cba0a140c6ce0d0487b93463e945af56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 27cd5f16e5efec3963b43d50a35bbeb96ec7edea914a248af941daa089a05334
[INFO] running `Command { std: "docker" "start" "-a" "27cd5f16e5efec3963b43d50a35bbeb96ec7edea914a248af941daa089a05334", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary transmute
[INFO] [stderr]     --> src/lib.rs:1232:27
[INFO] [stderr]      |
[INFO] [stderr] 1232 |         let rv = unsafe { mem::transmute(self.buf[0]) };
[INFO] [stderr]      |                           --------------^^^^^^^^^^^^^
[INFO] [stderr]      |                           |
[INFO] [stderr]      |                           help: replace this with: `u8::cast_signed`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tectonic_xdv` (lib) generated 1 warning (run `cargo fix --lib -p tectonic_xdv` to apply 1 suggestion)
[INFO] [stderr] warning: `tectonic_xdv` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tectonic_xdv-82859bea442cc88a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tectonic_xdv
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "27cd5f16e5efec3963b43d50a35bbeb96ec7edea914a248af941daa089a05334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27cd5f16e5efec3963b43d50a35bbeb96ec7edea914a248af941daa089a05334", kill_on_drop: false }`
[INFO] [stdout] 27cd5f16e5efec3963b43d50a35bbeb96ec7edea914a248af941daa089a05334