[INFO] fetching crate tectonic_xdv 0.2.2...
[INFO] testing tectonic_xdv-0.2.2 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate tectonic_xdv 0.2.2 into /workspace/builds/worker-2-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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tectonic_xdv 0.2.2 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62f4682edcdca685e65a4205fab37f90215197a75e8f0facaf4c43e13b1778c6
[INFO] running `Command { std: "docker" "start" "-a" "62f4682edcdca685e65a4205fab37f90215197a75e8f0facaf4c43e13b1778c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62f4682edcdca685e65a4205fab37f90215197a75e8f0facaf4c43e13b1778c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62f4682edcdca685e65a4205fab37f90215197a75e8f0facaf4c43e13b1778c6", kill_on_drop: false }`
[INFO] [stdout] 62f4682edcdca685e65a4205fab37f90215197a75e8f0facaf4c43e13b1778c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24627f3cd81b524f64ca74a7d7895f0724ef5a0cb7f751397af73acede11380c
[INFO] running `Command { std: "docker" "start" "-a" "24627f3cd81b524f64ca74a7d7895f0724ef5a0cb7f751397af73acede11380c", 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]      = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]      |
[INFO] [stdout] 1232 -         let rv = unsafe { mem::transmute(self.buf[0]) };
[INFO] [stdout] 1232 +         let rv = unsafe { u8::cast_signed(self.buf[0]) };
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "24627f3cd81b524f64ca74a7d7895f0724ef5a0cb7f751397af73acede11380c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24627f3cd81b524f64ca74a7d7895f0724ef5a0cb7f751397af73acede11380c", kill_on_drop: false }`
[INFO] [stdout] 24627f3cd81b524f64ca74a7d7895f0724ef5a0cb7f751397af73acede11380c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17062c0c12051b26af20a249c507f8d0949b0ae51f1cc4aba31c9354a6e54e80
[INFO] running `Command { std: "docker" "start" "-a" "17062c0c12051b26af20a249c507f8d0949b0ae51f1cc4aba31c9354a6e54e80", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[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]      = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]      |
[INFO] [stdout] 1232 -         let rv = unsafe { mem::transmute(self.buf[0]) };
[INFO] [stdout] 1232 +         let rv = unsafe { u8::cast_signed(self.buf[0]) };
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling textwrap v0.11.0
[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]      = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]      |
[INFO] [stdout] 1232 -         let rv = unsafe { mem::transmute(self.buf[0]) };
[INFO] [stdout] 1232 +         let rv = unsafe { u8::cast_signed(self.buf[0]) };
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.45s
[INFO] running `Command { std: "docker" "inspect" "17062c0c12051b26af20a249c507f8d0949b0ae51f1cc4aba31c9354a6e54e80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17062c0c12051b26af20a249c507f8d0949b0ae51f1cc4aba31c9354a6e54e80", kill_on_drop: false }`
[INFO] [stdout] 17062c0c12051b26af20a249c507f8d0949b0ae51f1cc4aba31c9354a6e54e80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cc4582bc85b930b0ea873c555ef0e778b5dc83e01cca7957a588bfc3683fcde1
[INFO] running `Command { std: "docker" "start" "-a" "cc4582bc85b930b0ea873c555ef0e778b5dc83e01cca7957a588bfc3683fcde1", 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]      = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stderr] help: replace this with
[INFO] [stderr]      |
[INFO] [stderr] 1232 -         let rv = unsafe { mem::transmute(self.buf[0]) };
[INFO] [stderr] 1232 +         let rv = unsafe { u8::cast_signed(self.buf[0]) };
[INFO] [stderr]      |
[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 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tectonic_xdv-6279f9312d3beccd)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tectonic_xdv
[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] [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" "cc4582bc85b930b0ea873c555ef0e778b5dc83e01cca7957a588bfc3683fcde1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc4582bc85b930b0ea873c555ef0e778b5dc83e01cca7957a588bfc3683fcde1", kill_on_drop: false }`
[INFO] [stdout] cc4582bc85b930b0ea873c555ef0e778b5dc83e01cca7957a588bfc3683fcde1