[INFO] fetching crate dezoomify-rs 2.3.0-beta...
[INFO] testing dezoomify-rs-2.3.0-beta against 1.47.0 for beta-1.48-1
[INFO] extracting crate dezoomify-rs 2.3.0-beta into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate dezoomify-rs 2.3.0-beta on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-12/source/.cargo/config
[INFO] started tweaking crates.io crate dezoomify-rs 2.3.0-beta
[INFO] finished tweaking crates.io crate dezoomify-rs 2.3.0-beta
[INFO] tweaked toml for crates.io crate dezoomify-rs 2.3.0-beta written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate dezoomify-rs 2.3.0-beta already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f86a2525d1116c9ff5c7dc58b777864f0b1e92b3a6a1e03ddd4a6fa1fe7c3b9f
[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" "f86a2525d1116c9ff5c7dc58b777864f0b1e92b3a6a1e03ddd4a6fa1fe7c3b9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f86a2525d1116c9ff5c7dc58b777864f0b1e92b3a6a1e03ddd4a6fa1fe7c3b9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f86a2525d1116c9ff5c7dc58b777864f0b1e92b3a6a1e03ddd4a6fa1fe7c3b9f", kill_on_drop: false }`
[INFO] [stdout] f86a2525d1116c9ff5c7dc58b777864f0b1e92b3a6a1e03ddd4a6fa1fe7c3b9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e049400b8ec25fe083839bcf27ae041190505e07d007bd09726982969caf5bbf
[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" "e049400b8ec25fe083839bcf27ae041190505e07d007bd09726982969caf5bbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling cc v1.0.57
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling bytes v0.5.5
[INFO] [stderr]    Compiling pin-project-lite v0.1.7
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling tinyvec v0.3.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling adler v0.2.2
[INFO] [stderr]    Compiling encoding_rs v0.8.23
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling subtle v2.2.3
[INFO] [stderr]    Compiling cpuid-bool v0.1.0
[INFO] [stderr]    Compiling evalexpr v5.0.5
[INFO] [stderr]    Compiling custom_error v1.7.1
[INFO] [stderr]    Compiling sanitize-filename-reader-friendly v0.9.2
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling generic-array v0.14.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling addr2line v0.12.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling termios v0.3.2
[INFO] [stderr]    Compiling terminal_size v0.1.13
[INFO] [stderr]    Compiling unicode-normalization v0.1.13
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling backtrace v0.3.49
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling flate2 v1.0.16
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling signal-hook v0.1.16
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling os_type v2.2.0
[INFO] [stderr]    Compiling console v0.11.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling png v0.16.6
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling block-cipher v0.7.1
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling crossterm v0.16.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling async-compression v0.3.5
[INFO] [stderr]    Compiling aes-soft v0.4.0
[INFO] [stderr]    Compiling block-modes v0.5.0
[INFO] [stderr]    Compiling hmac v0.8.1
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling sha-1 v0.9.1
[INFO] [stderr]    Compiling indicatif v0.15.0
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling aes v0.4.0
[INFO] [stderr]    Compiling colour v0.5.0
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling jpeg-decoder v0.1.20
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling image v0.23.6
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling tokio v0.2.21
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling pin-project v0.4.22
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling structopt v0.3.15
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-tls v0.3.1
[INFO] [stderr]    Compiling h2 v0.2.5
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling hyper v0.13.6
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling serde_yaml v0.8.13
[INFO] [stderr]    Compiling serde-xml-rs v0.4.0
[INFO] [stderr]    Compiling hyper-tls v0.4.1
[INFO] [stderr]    Compiling reqwest v0.10.6
[INFO] [stderr]    Compiling human-panic v1.0.3
[INFO] [stderr]    Compiling dezoomify-rs v2.3.0-beta (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/encoder/tile_buffer.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         std::mem::replace(self, next_state);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/generic/dichotomy_2d.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |             std::mem::replace(self, next);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/pff/mod.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 std::mem::replace(self, PFF::WithHeader(header_info));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 36s
[INFO] running `Command { std: "docker" "inspect" "e049400b8ec25fe083839bcf27ae041190505e07d007bd09726982969caf5bbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e049400b8ec25fe083839bcf27ae041190505e07d007bd09726982969caf5bbf", kill_on_drop: false }`
[INFO] [stdout] e049400b8ec25fe083839bcf27ae041190505e07d007bd09726982969caf5bbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcc3974f127e5751ac30465bb1a5749f4b284b5ff247e3a9c5ede6f3091a3136
[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" "fcc3974f127e5751ac30465bb1a5749f4b284b5ff247e3a9c5ede6f3091a3136", kill_on_drop: false }`
[INFO] [stderr]    Compiling strength_reduce v0.2.3
[INFO] [stderr]    Compiling transpose v0.1.0
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling transpose v0.2.0
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/encoder/tile_buffer.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         std::mem::replace(self, next_state);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/generic/dichotomy_2d.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |             std::mem::replace(self, next);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/pff/mod.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 std::mem::replace(self, PFF::WithHeader(header_info));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling rustfft v3.0.1
[INFO] [stderr]    Compiling rustdct v0.4.0
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling img_hash v3.1.0
[INFO] [stderr]    Compiling dezoomify-rs v2.3.0-beta (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/encoder/tile_buffer.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         std::mem::replace(self, next_state);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/generic/dichotomy_2d.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |             std::mem::replace(self, next);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/pff/mod.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 std::mem::replace(self, PFF::WithHeader(header_info));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 42.75s
[INFO] running `Command { std: "docker" "inspect" "fcc3974f127e5751ac30465bb1a5749f4b284b5ff247e3a9c5ede6f3091a3136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcc3974f127e5751ac30465bb1a5749f4b284b5ff247e3a9c5ede6f3091a3136", kill_on_drop: false }`
[INFO] [stdout] fcc3974f127e5751ac30465bb1a5749f4b284b5ff247e3a9c5ede6f3091a3136
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", 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] 0a6592cc7aa5034b4e92e0d06b74a22d636b132118f27c17b5b1429936ca4f8d
[INFO] running `Command { std: "docker" "start" "-a" "0a6592cc7aa5034b4e92e0d06b74a22d636b132118f27c17b5b1429936ca4f8d", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]   --> src/encoder/tile_buffer.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |         std::mem::replace(self, next_state);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]   --> src/generic/dichotomy_2d.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |             std::mem::replace(self, next);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]   --> src/pff/mod.rs:59:17
[INFO] [stderr]    |
[INFO] [stderr] 59 |                 std::mem::replace(self, PFF::WithHeader(header_info));
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]   --> src/encoder/tile_buffer.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |         std::mem::replace(self, next_state);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]   --> src/generic/dichotomy_2d.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |             std::mem::replace(self, next);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]   --> src/pff/mod.rs:59:17
[INFO] [stderr]    |
[INFO] [stderr] 59 |                 std::mem::replace(self, PFF::WithHeader(header_info));
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dezoomify_rs-870d855b77f69422
[INFO] [stdout] 
[INFO] [stdout] running 62 tests
[INFO] [stdout] test custom_yaml::test_has_default_user_agent ... ok
[INFO] [stdout] test dzi::test_panorama ... ok
[INFO] [stdout] test custom_yaml::variable::tests::variable_iteration ... ok
[INFO] [stdout] test dezoomer::tests::assert_tiles ... ok
[INFO] [stdout] test encoder::pixel_streamer::tests::all_tiles ... ok
[INFO] [stdout] test encoder::pixel_streamer::tests::all_tiles_non_sorted ... ok
[INFO] [stdout] test dzi::test_dzi_with_bom ... ok
[INFO] [stdout] test dzi::dzi_file::test_dzi ... ok
[INFO] [stdout] test encoder::pixel_streamer::tests::finalize_empty ... ok
[INFO] [stdout] test encoder::pixel_streamer::tests::tile1 ... ok
[INFO] [stdout] test encoder::pixel_streamer::tests::tiles_0_and_1 ... ok
[INFO] [stdout] test encoder::pixel_streamer::tests::tile_too_large ... ok
[INFO] [stdout] test generic::dichotomy_2d::test_dichotomy1d ... ok
[INFO] [stdout] test encoder::pixel_streamer::tests::finalize_only_tile2 ... ok
[INFO] [stdout] test encoder::pixel_streamer::tests::tile0 ... ok
[INFO] [stdout] test generic::dichotomy_2d::test_dichotomy2d ... ok
[INFO] [stdout] test encoder::pixel_streamer::tests::all_tiles_overlapping_tiles ... ok
[INFO] [stdout] test custom_yaml::tile_set::tests::tileset_from_yaml ... ok
[INFO] [stdout] test custom_yaml::test_can_parse_example ... ok
[INFO] [stdout] test google_arts_and_culture::decryption::test_decrypt_dummy ... ok
[INFO] [stdout] test arguments::test_headers_and_input ... ok
[INFO] [stdout] test custom_yaml::tile_set::tests::url_template_evaluation ... ok
[INFO] [stdout] test google_arts_and_culture::url::test_compute_url ... ok
[INFO] [stdout] test google_arts_and_culture::url::test_compute_url_flowers ... ok
[INFO] [stdout] test generic::test_generic_dezoomer ... ok
[INFO] [stdout] test google_arts_and_culture::tile_info::tests::test_xml_parse ... ok
[INFO] [stdout] test arguments::test_parse_duration ... ok
[INFO] [stdout] test iiif::tile_info::test_deserialisation ... ok
[INFO] [stdout] test iiif::test_qualities ... ok
[INFO] [stdout] test iipimage::tests::test_parse_metadata ... ok
[INFO] [stdout] test iipimage::tests::test_zoom_levels ... ok
[INFO] [stdout] test iiif::test_tiles ... ok
[INFO] [stdout] test krpano::krpano_metadata::test::multires_parse ... ok
[INFO] [stdout] test iiif::test_missing_id ... ok
[INFO] [stdout] test krpano::krpano_metadata::test::test_templatestring ... ok
[INFO] [stdout] test google_arts_and_culture::tile_info::tests::test_parse_html ... ok
[INFO] [stdout] test output_file::tests::test_existing_file ... ok
[INFO] [stdout] test output_file::tests::switch_to_png_for_large_files ... ok
[INFO] [stdout] test output_file::tests::test_special_chars ... ok
[INFO] [stdout] test krpano::krpano_metadata::test::parse_xml_cylinder ... ok
[INFO] [stdout] test pff::image_properties::test::test_deserialize_indices_reply ... ok
[INFO] [stdout] test krpano::krpano_metadata::test::parse_xml_old_cube ... ok
[INFO] [stdout] test krpano::krpano_metadata::test::parse_xml_multires ... ok
[INFO] [stdout] test pff::image_properties::test::test_deserialize_pff_header ... ok
[INFO] [stdout] test pff::image_properties::test::test_parse_tile_indices ... ok
[INFO] [stdout] test generic::test_url_templating ... ok
[INFO] [stdout] test zoomify::image_properties::test_deserialize ... ok
[INFO] [stdout] test custom_yaml::variable::tests::iter_contexts ... ok
[INFO] [stdout] test zoomify::image_properties::test_levels_recount ... ok
[INFO] [stdout] test pff::image_properties::test::test_deserialize_pff_header_reply ... ok
[INFO] [stdout] test zoomify::image_properties::test_real_num_tiles ... ok
[INFO] [stdout] test zoomify::test_panorama ... ok
[INFO] [stdout] test custom_yaml::variable::tests::variable_validity_check_name ... ok
[INFO] [stdout] test google_arts_and_culture::decryption::test_decrypt_sample_tile ... ok
[INFO] [stdout] test encoder::png_encoder::tests::test_png_create ... ok
[INFO] [stdout] test custom_yaml::tile_set::tests::tile_iteration ... ok
[INFO] [stdout] test google_arts_and_culture::tile_info::tests::test_parse_html_newformat ... ok
[INFO] [stdout] test google_arts_and_culture::tile_info::tests::test_parse_html_wildflower ... ok
[INFO] [stdout] test krpano::test_flat_multires ... ok
[INFO] [stdout] test krpano::test_cube ... ok
[INFO] [stdout] test zoomify::test_tilegroups ... ok
[INFO] [stdout] test google_arts_and_culture::tile_info::tests::test_parse_html_null ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 62 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dezoomify_rs-9e24e3d3cde2369e
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/local_dezoomifying-c8c8318c86378407
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test custom_size_local_zoomify_tiles ... ignored
[INFO] [stderr]    Doc-tests dezoomify-rs
[INFO] [stdout] test local_generic_tiles ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0a6592cc7aa5034b4e92e0d06b74a22d636b132118f27c17b5b1429936ca4f8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a6592cc7aa5034b4e92e0d06b74a22d636b132118f27c17b5b1429936ca4f8d", kill_on_drop: false }`
[INFO] [stdout] 0a6592cc7aa5034b4e92e0d06b74a22d636b132118f27c17b5b1429936ca4f8d
