[INFO] crate pdf-extract 0.6.2 is already in cache
[INFO] testing pdf-extract-0.6.2 against 1.45.2 for beta-1.46-1
[INFO] extracting crate pdf-extract 0.6.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pdf-extract 0.6.2 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pdf-extract 0.6.2
[INFO] finished tweaking crates.io crate pdf-extract 0.6.2
[INFO] tweaked toml for crates.io crate pdf-extract 0.6.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate pdf-extract 0.6.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2111447629ed90803db1310eaf487a8acde851d55d87b2054cc863245b1ebb7a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2111447629ed90803db1310eaf487a8acde851d55d87b2054cc863245b1ebb7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2111447629ed90803db1310eaf487a8acde851d55d87b2054cc863245b1ebb7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2111447629ed90803db1310eaf487a8acde851d55d87b2054cc863245b1ebb7a", kill_on_drop: false }`
[INFO] [stdout] 2111447629ed90803db1310eaf487a8acde851d55d87b2054cc863245b1ebb7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6e5aea9b6d8dc3dd3de297b5f022b9f8259397bd6aea7437e1bec670f6220e39
[INFO] running `Command { std: "docker" "start" "-a" "6e5aea9b6d8dc3dd3de297b5f022b9f8259397bd6aea7437e1bec670f6220e39", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling cfg-if v0.1.3
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling pom v1.1.0
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling pom v3.0.2
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling linked-hash-map v0.3.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.7
[INFO] [stderr]    Compiling postscript v0.11.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling adobe-cmap-parser v0.3.3
[INFO] [stderr]    Compiling type1-encoding-parser v0.1.0
[INFO] [stderr]    Compiling encoding v0.2.33
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling euclid v0.20.7
[INFO] [stderr]    Compiling flate2 v1.0.3
[INFO] [stderr]    Compiling chrono v0.4.10
[INFO] [stderr]    Compiling rayon v1.1.0
[INFO] [stderr]    Compiling lopdf v0.24.0
[INFO] [stderr]    Compiling pdf-extract v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.49s
[INFO] running `Command { std: "docker" "inspect" "6e5aea9b6d8dc3dd3de297b5f022b9f8259397bd6aea7437e1bec670f6220e39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e5aea9b6d8dc3dd3de297b5f022b9f8259397bd6aea7437e1bec670f6220e39", kill_on_drop: false }`
[INFO] [stdout] 6e5aea9b6d8dc3dd3de297b5f022b9f8259397bd6aea7437e1bec670f6220e39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9bcb910d940985daf203cf5892a1079061e5abf6af9f794f4319c960aee62cd3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9bcb910d940985daf203cf5892a1079061e5abf6af9f794f4319c960aee62cd3", kill_on_drop: false }`
[INFO] [stderr]    Compiling pdf-extract v0.6.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> examples/extract.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     output_doc(&doc, output.as_mut());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.13s
[INFO] running `Command { std: "docker" "inspect" "9bcb910d940985daf203cf5892a1079061e5abf6af9f794f4319c960aee62cd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bcb910d940985daf203cf5892a1079061e5abf6af9f794f4319c960aee62cd3", kill_on_drop: false }`
[INFO] [stdout] 9bcb910d940985daf203cf5892a1079061e5abf6af9f794f4319c960aee62cd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 39b209f1e0292973d94407ed92e895399ddb1b9d69f0c592793d40bc2f8ca04e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "39b209f1e0292973d94407ed92e895399ddb1b9d69f0c592793d40bc2f8ca04e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> examples/extract.rs:36:5
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 36 |     output_doc(&doc, output.as_mut());
[INFO] [stdout] 
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pdf_extract-7da5320f53941f48
[INFO] [stderr]    Doc-tests pdf-extract
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "39b209f1e0292973d94407ed92e895399ddb1b9d69f0c592793d40bc2f8ca04e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39b209f1e0292973d94407ed92e895399ddb1b9d69f0c592793d40bc2f8ca04e", kill_on_drop: false }`
[INFO] [stdout] 39b209f1e0292973d94407ed92e895399ddb1b9d69f0c592793d40bc2f8ca04e