[INFO] fetching crate tectonic_pdf_io 0.4.1...
[INFO] testing tectonic_pdf_io-0.4.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate tectonic_pdf_io 0.4.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate tectonic_pdf_io 0.4.1
[INFO] finished tweaking crates.io crate tectonic_pdf_io 0.4.1
[INFO] tweaked toml for crates.io crate tectonic_pdf_io 0.4.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tectonic_pdf_io 0.4.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 64 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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 tectonic_bridge_core v0.4.1
[INFO] [stderr]   Downloaded tectonic_bridge_flate v0.1.7
[INFO] [stderr]   Downloaded tectonic_errors v0.2.1
[INFO] [stderr]   Downloaded tectonic_io_base v0.4.3
[INFO] [stderr]   Downloaded tectonic_dep_support v0.1.1
[INFO] [stderr]   Downloaded xdg v2.5.2
[INFO] [stderr]   Downloaded app_dirs2 v2.5.5
[INFO] [stderr]   Downloaded tectonic_cfg_support v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a51c235494635454d7e92a059eaf5be4c95fe2af226134c7e8dc249569ba79f
[INFO] running `Command { std: "docker" "start" "-a" "8a51c235494635454d7e92a059eaf5be4c95fe2af226134c7e8dc249569ba79f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a51c235494635454d7e92a059eaf5be4c95fe2af226134c7e8dc249569ba79f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a51c235494635454d7e92a059eaf5be4c95fe2af226134c7e8dc249569ba79f", kill_on_drop: false }`
[INFO] [stdout] 8a51c235494635454d7e92a059eaf5be4c95fe2af226134c7e8dc249569ba79f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 046a1a9ff7b89f5b287bdf7d197969d8fd323a721ae0d77491256f589b366190
[INFO] running `Command { std: "docker" "start" "-a" "046a1a9ff7b89f5b287bdf7d197969d8fd323a721ae0d77491256f589b366190", kill_on_drop: false }`
[INFO] [stderr]    Compiling find-msvc-tools v0.1.4
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling xdg v2.5.2
[INFO] [stderr]    Compiling tectonic_bridge_flate v0.1.7
[INFO] [stderr]    Compiling tectonic_dep_support v0.1.1
[INFO] [stderr]    Compiling tectonic_cfg_support v0.1.4
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling cc v1.2.44
[INFO] [stderr]    Compiling app_dirs2 v2.5.5
[INFO] [stderr]    Compiling tectonic_errors v0.2.1
[INFO] [stderr]    Compiling tectonic_status_base v0.2.1
[INFO] [stderr]    Compiling libz-sys v1.1.22
[INFO] [stderr]    Compiling tectonic_bridge_core v0.4.1
[INFO] [stderr]    Compiling tectonic_pdf_io v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[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 flate2 v1.1.5
[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]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.35s
[INFO] running `Command { std: "docker" "inspect" "046a1a9ff7b89f5b287bdf7d197969d8fd323a721ae0d77491256f589b366190", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "046a1a9ff7b89f5b287bdf7d197969d8fd323a721ae0d77491256f589b366190", kill_on_drop: false }`
[INFO] [stdout] 046a1a9ff7b89f5b287bdf7d197969d8fd323a721ae0d77491256f589b366190
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fd2dfa459f6000748973beee1ec952a4db4cb535d5945e3db0fb9796d5af88d
[INFO] running `Command { std: "docker" "start" "-a" "0fd2dfa459f6000748973beee1ec952a4db4cb535d5945e3db0fb9796d5af88d", kill_on_drop: false }`
[INFO] [stderr]    Compiling tectonic_pdf_io v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "0fd2dfa459f6000748973beee1ec952a4db4cb535d5945e3db0fb9796d5af88d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fd2dfa459f6000748973beee1ec952a4db4cb535d5945e3db0fb9796d5af88d", kill_on_drop: false }`
[INFO] [stdout] 0fd2dfa459f6000748973beee1ec952a4db4cb535d5945e3db0fb9796d5af88d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 902875ec40c5000006d2279afd4e7fd8c25a74a8e402838838c8a3ed06e236b2
[INFO] running `Command { std: "docker" "start" "-a" "902875ec40c5000006d2279afd4e7fd8c25a74a8e402838838c8a3ed06e236b2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tectonic_pdf_io-c0114759a2c8207b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test linkage ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tectonic_pdf_io
[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" "902875ec40c5000006d2279afd4e7fd8c25a74a8e402838838c8a3ed06e236b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "902875ec40c5000006d2279afd4e7fd8c25a74a8e402838838c8a3ed06e236b2", kill_on_drop: false }`
[INFO] [stdout] 902875ec40c5000006d2279afd4e7fd8c25a74a8e402838838c8a3ed06e236b2