[INFO] fetching crate tectonic_io_base 0.3.0...
[INFO] testing tectonic_io_base-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate tectonic_io_base 0.3.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate tectonic_io_base 0.3.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tectonic_io_base 0.3.0
[INFO] finished tweaking crates.io crate tectonic_io_base 0.3.0
[INFO] tweaked toml for crates.io crate tectonic_io_base 0.3.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7fdeab1b720b946ae88024a9583ee40f9060367e80831a7a43decc03954147f1
[INFO] running `Command { std: "docker" "start" "-a" "7fdeab1b720b946ae88024a9583ee40f9060367e80831a7a43decc03954147f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fdeab1b720b946ae88024a9583ee40f9060367e80831a7a43decc03954147f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fdeab1b720b946ae88024a9583ee40f9060367e80831a7a43decc03954147f1", kill_on_drop: false }`
[INFO] [stdout] 7fdeab1b720b946ae88024a9583ee40f9060367e80831a7a43decc03954147f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3755b5d0279228f82631f937ae27e2f600cdf0011f8e2545ee9c5820dea33f9a
[INFO] running `Command { std: "docker" "start" "-a" "3755b5d0279228f82631f937ae27e2f600cdf0011f8e2545ee9c5820dea33f9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling tectonic_errors v0.2.0
[INFO] [stderr]    Compiling tectonic_status_base v0.2.0
[INFO] [stderr]    Compiling flate2 v1.0.21
[INFO] [stderr]    Compiling tectonic_io_base v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.96s
[INFO] running `Command { std: "docker" "inspect" "3755b5d0279228f82631f937ae27e2f600cdf0011f8e2545ee9c5820dea33f9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3755b5d0279228f82631f937ae27e2f600cdf0011f8e2545ee9c5820dea33f9a", kill_on_drop: false }`
[INFO] [stdout] 3755b5d0279228f82631f937ae27e2f600cdf0011f8e2545ee9c5820dea33f9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2f02ea3acf50443788d42a3f34551d1cb5f6f49151bd99c7ea36f64339d6082
[INFO] running `Command { std: "docker" "start" "-a" "e2f02ea3acf50443788d42a3f34551d1cb5f6f49151bd99c7ea36f64339d6082", kill_on_drop: false }`
[INFO] [stderr]    Compiling tectonic_io_base v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "e2f02ea3acf50443788d42a3f34551d1cb5f6f49151bd99c7ea36f64339d6082", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2f02ea3acf50443788d42a3f34551d1cb5f6f49151bd99c7ea36f64339d6082", kill_on_drop: false }`
[INFO] [stdout] e2f02ea3acf50443788d42a3f34551d1cb5f6f49151bd99c7ea36f64339d6082
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a64fe0c9271783b77daee8cd3fcb095ddeb5cc77e0b1791889168e1b4ce36ec5
[INFO] running `Command { std: "docker" "start" "-a" "a64fe0c9271783b77daee8cd3fcb095ddeb5cc77e0b1791889168e1b4ce36ec5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tectonic_io_base-3d4d660436e03fc8)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tectonic_io_base
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_try_normalize_tex_path ... 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] [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" "a64fe0c9271783b77daee8cd3fcb095ddeb5cc77e0b1791889168e1b4ce36ec5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a64fe0c9271783b77daee8cd3fcb095ddeb5cc77e0b1791889168e1b4ce36ec5", kill_on_drop: false }`
[INFO] [stdout] a64fe0c9271783b77daee8cd3fcb095ddeb5cc77e0b1791889168e1b4ce36ec5