[INFO] fetching crate aci_png 0.8.0-pre0...
[INFO] building aci_png-0.8.0-pre0 against try#d5c88c22807925c189328ef9d923c5d2b11a95b8+rustflags=-Zprofile-closures for pr-87066-3
[INFO] extracting crate aci_png 0.8.0-pre0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate aci_png 0.8.0-pre0 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aci_png 0.8.0-pre0
[INFO] finished tweaking crates.io crate aci_png 0.8.0-pre0
[INFO] tweaked toml for crates.io crate aci_png 0.8.0-pre0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded afi v0.8.0-pre0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", 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] c7fd82d87c6b9b7a6360264b94981eb96042f47a8b34cba9a5fcf1be7a23dd13
[INFO] running `Command { std: "docker" "start" "-a" "c7fd82d87c6b9b7a6360264b94981eb96042f47a8b34cba9a5fcf1be7a23dd13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7fd82d87c6b9b7a6360264b94981eb96042f47a8b34cba9a5fcf1be7a23dd13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7fd82d87c6b9b7a6360264b94981eb96042f47a8b34cba9a5fcf1be7a23dd13", kill_on_drop: false }`
[INFO] [stdout] c7fd82d87c6b9b7a6360264b94981eb96042f47a8b34cba9a5fcf1be7a23dd13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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 -Zprofile-closures" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "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] 6aedde760fe00b87c30adde9b7523da7346cb502ff9923c20fe957569aee8e44
[INFO] running `Command { std: "docker" "start" "-a" "6aedde760fe00b87c30adde9b7523da7346cb502ff9923c20fe957569aee8e44", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling afi v0.8.0-pre0
[INFO] [stderr] SG_CR_Eslkdjf: inflate, (ce2662aa8132d68c, ab4d0aa0d2702d23), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: inflate, (ce2662aa8132d68c, ab4d0aa0d2702d23), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: inflate, (e0466736d2cd696a, 23cd9d1a28d803d5), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: inflate, (2d82840204250e30, 82002d2145f4af4), 16, 16
[INFO] [stderr] SG_CR_Eslkdjf: inflate, (307722fb45934e68, eb967cea6548541e), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: inflate, (950ee959300356d7, e732fd4f5a5f0b65), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: inflate, (3abffcb5ea76d08f, 8b59e4a3db1aa2ee), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: inflate, (e2e54addbbac05df, 788566ade102b6be), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: inflate, (e10e9d5c0843cb1d, 9470c3d1266a19ba), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: inflate, (f4e5e9abf171950e, 43174d73d576716b), 0, 0
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr] SG_CR_Eslkdjf: deflate, (f2ae70151f10d5ae, 76c5708e68eb7721), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: deflate, (4aaa0b01beb646a6, 410ac639503e624c), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: deflate, (d334a05dc340d999, 7f6e1343069a1efe), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: deflate, (d18f46f2397ef5d9, 618b993e1ce393c9), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: deflate, (8bd0f902215a1d97, a2e232cf4f152d76), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: deflate, (b7df65b3a500d071, cac5667804f0e60c), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: deflate, (de1b8eea5ce7cb07, 878afcfdf49a933a), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: deflate, (55ebbe3a1437d579, cb8cfc9ce6fe39fa), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: deflate, (2e27019f4833b8bd, 8c897d1ca96112bc), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: deflate, (f6828894a173288e, 2e672db017be4c6b), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: deflate, (f1ccb1aeb9ce875b, 15d6551699506197), 0, 0
[INFO] [stderr]    Compiling aci_png v0.8.0-pre0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/png.rs:116:29
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/png.rs:159:15
[INFO] [stdout]     |
[INFO] [stdout] 159 |         fn from_f32(f32) -> Self;
[INFO] [stdout]     |                     ^^^ help: try naming the parameter or explicitly ignoring it: `_: f32`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:224:2
[INFO] [stdout]     |
[INFO] [stdout] 224 |     try!(reader.read_exact(&mut buf));
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:251:5
[INFO] [stdout]     |
[INFO] [stdout] 251 |     Ok(try!(read_chunks(reader, &[])).0)
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:261:16
[INFO] [stdout]     |
[INFO] [stdout] 261 |     let dc = &mut try!(init_decoder(reader, size_of::<T>() * 8));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:262:22
[INFO] [stdout]     |
[INFO] [stdout] 262 |     let (buf, chunks) = try!(decode(dc, chunk_names));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:266:10
[INFO] [stdout]     |
[INFO] [stdout] 266 |        buf: try!(buf.vec()),
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:273:12
[INFO] [stdout]     |
[INFO] [stdout] 273 |     let hdr = try!(read_header(reader));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:333:2
[INFO] [stdout]     |
[INFO] [stdout] 333 |     try!(dc.stream.read_exact(&mut dc.chunk_lentype[0..8]));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:343:2
[INFO] [stdout]     |
[INFO] [stdout] 343 |     try!(dc.stream.read_exact(&mut tmp));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:361:16
[INFO] [stdout]     |
[INFO] [stdout] 361 |     let mut len = try!(read_chunkmeta(dc));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:372:14
[INFO] [stdout]     |
[INFO] [stdout] 372 |                 result = try!(read_idat_stream(dc, &mut len, &palette[..]));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:383:5
[INFO] [stdout]     |
[INFO] [stdout] 383 |                 try!(dc.stream.read_exact(&mut palette));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:385:5
[INFO] [stdout]     |
[INFO] [stdout] 385 |                 try!(readcheck_crc(dc));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:394:5
[INFO] [stdout]     |
[INFO] [stdout] 394 |                 try!(dc.stream.read_exact(&mut crc));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:405:6
[INFO] [stdout]     |
[INFO] [stdout] 405 |                     try!(dc.stream.read_exact(&mut data));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:408:6
[INFO] [stdout]     |
[INFO] [stdout] 408 |                     try!(readcheck_crc(dc));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:411:6
[INFO] [stdout]     |
[INFO] [stdout] 411 |                     try!(dc.stream.seek(SeekFrom::Current(len as i64 + 4)));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:417:9
[INFO] [stdout]     |
[INFO] [stdout] 417 |         len = try!(read_chunkmeta(dc));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:476:35
[INFO] [stdout]     |
[INFO] [stdout] 476 |     let (convert8, _0, _1, _2, _3) = try!(converter::<u8>(dc.src_fmt, ColFmt::RGBA));
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:477:36
[INFO] [stdout]     |
[INFO] [stdout] 477 |     let (convert16, c0, c1, c2, c3) = try!(converter::<u16>(dc.src_fmt, ColFmt::RGBA));
[INFO] [stdout]     |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:479:24
[INFO] [stdout]     |
[INFO] [stdout] 479 |     let compressed_data = try!(read_idat_chunks(dc, len));
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:498:5
[INFO] [stdout]     |
[INFO] [stdout] 498 |                 try!(zlib.read_exact(&mut cline[..]));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:501:5
[INFO] [stdout]     |
[INFO] [stdout] 501 |                 try!(recon(&mut cline[1..], &pline[1..], filter_type, filter_step));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:557:6
[INFO] [stdout]     |
[INFO] [stdout] 557 |                     try!(zlib.read_exact(&mut cline[..]));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:560:6
[INFO] [stdout]     |
[INFO] [stdout] 560 |                     try!(recon(&mut cline[1..], &pline[1..], filter_type, filter_step));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/png.rs:665:12
[INFO] [stdout]     |
[INFO] [stdout] 665 |     -> Result<(Vec<u8>), Error>
[INFO] [stdout]     |               ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:671:3
[INFO] [stdout]     |
[INFO] [stdout] 671 |         try!(dc.stream.read_exact(&mut all[start..]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:673:3
[INFO] [stdout]     |
[INFO] [stdout] 673 |         try!(readcheck_crc(dc));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:674:10
[INFO] [stdout]     |
[INFO] [stdout] 674 |         *len = try!(read_chunkmeta(dc));    // next chunk's len and type
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:806:2
[INFO] [stdout]     |
[INFO] [stdout] 806 |     try!(write_header(ec));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:810:2
[INFO] [stdout]     |
[INFO] [stdout] 810 |     try!(write_image_data(ec));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:813:2
[INFO] [stdout]     |
[INFO] [stdout] 813 |     try!(ec.stream.write_all(iend));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:814:2
[INFO] [stdout]     |
[INFO] [stdout] 814 |     try!(ec.stream.flush());
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:808:3
[INFO] [stdout]     |
[INFO] [stdout] 808 |         try!(write_custom_chunk(ec, chunk));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:823:2
[INFO] [stdout]     |
[INFO] [stdout] 823 |     try!(ec.stream.write_all(&PNG_FILE_HEADER[..]));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:824:2
[INFO] [stdout]     |
[INFO] [stdout] 824 |     try!(ec.stream.write_all(b"\0\0\0\x0dIHDR"));     crc.put(b"IHDR");
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:825:2
[INFO] [stdout]     |
[INFO] [stdout] 825 |     try!(ec.stream.write_all(width));                 crc.put(width);
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:826:2
[INFO] [stdout]     |
[INFO] [stdout] 826 |     try!(ec.stream.write_all(height));                crc.put(height);
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:835:2
[INFO] [stdout]     |
[INFO] [stdout] 835 |     try!(ec.stream.write_all(&tmp));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:838:2
[INFO] [stdout]     |
[INFO] [stdout] 838 |     try!(ec.stream.write_all(&crc.finish_be()[..]));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:857:2
[INFO] [stdout]     |
[INFO] [stdout] 857 |     try!(ec.stream.write_all(&u32_to_be(chunk.data.len() as u32)[..]));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:858:2
[INFO] [stdout]     |
[INFO] [stdout] 858 |     try!(ec.stream.write_all(&chunk.name[..]));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:859:2
[INFO] [stdout]     |
[INFO] [stdout] 859 |     try!(ec.stream.write_all(&chunk.data[..]));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:863:2
[INFO] [stdout]     |
[INFO] [stdout] 863 |     try!(ec.stream.write_all(&crc.finish_be()[..]));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:877:34
[INFO] [stdout]     |
[INFO] [stdout] 877 |     let (convert, c0, c1, c2, c3) = try!(converter(ColFmt::RGBA, 
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:923:3
[INFO] [stdout]     |
[INFO] [stdout] 923 |         try!(ec.stream.write_all(&u32_to_be(n as u32)[..]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:924:3
[INFO] [stdout]     |
[INFO] [stdout] 924 |         try!(ec.stream.write_all(b"IDAT"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:925:3
[INFO] [stdout]     |
[INFO] [stdout] 925 |         try!(ec.stream.write_all(&compressed[..n]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:926:3
[INFO] [stdout]     |
[INFO] [stdout] 926 |         try!(ec.stream.write_all(crc));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:918:11
[INFO] [stdout]     |
[INFO] [stdout] 918 |         let n = try!(compressed_data.read(&mut compressed[..]));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/png.rs:112:26
[INFO] [stdout]     |
[INFO] [stdout] 112 |             Error::Io(ref e) => e.description(),
[INFO] [stdout]     |                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] SG_CR_Eslkdjf: aci_png, (bc498eb0f594eff3, 52818c522f2ae66), 8, 8
[INFO] [stdout] warning: 52 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.66s
[INFO] running `Command { std: "docker" "inspect" "6aedde760fe00b87c30adde9b7523da7346cb502ff9923c20fe957569aee8e44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6aedde760fe00b87c30adde9b7523da7346cb502ff9923c20fe957569aee8e44", kill_on_drop: false }`
[INFO] [stdout] 6aedde760fe00b87c30adde9b7523da7346cb502ff9923c20fe957569aee8e44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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 -Zprofile-closures" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29b1a35bffeffda60d9aeb6b1bc65da9abd818392dfa979b4e71a55b3821937a
[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" "29b1a35bffeffda60d9aeb6b1bc65da9abd818392dfa979b4e71a55b3821937a", kill_on_drop: false }`
[INFO] [stderr] SG_CR_Eslkdjf: inflate, (ce2662aa8132d68c, ab4d0aa0d2702d23), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: inflate, (ce2662aa8132d68c, ab4d0aa0d2702d23), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: inflate, (e0466736d2cd696a, 23cd9d1a28d803d5), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: inflate, (2d82840204250e30, 82002d2145f4af4), 16, 16
[INFO] [stderr] SG_CR_Eslkdjf: inflate, (307722fb45934e68, eb967cea6548541e), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: inflate, (950ee959300356d7, e732fd4f5a5f0b65), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: inflate, (3abffcb5ea76d08f, 8b59e4a3db1aa2ee), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: inflate, (e2e54addbbac05df, 788566ade102b6be), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: inflate, (e10e9d5c0843cb1d, 9470c3d1266a19ba), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: inflate, (f4e5e9abf171950e, 43174d73d576716b), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: deflate, (f2ae70151f10d5ae, 76c5708e68eb7721), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: deflate, (4aaa0b01beb646a6, 410ac639503e624c), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: deflate, (d334a05dc340d999, 7f6e1343069a1efe), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: deflate, (d18f46f2397ef5d9, 618b993e1ce393c9), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: deflate, (8bd0f902215a1d97, a2e232cf4f152d76), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: deflate, (b7df65b3a500d071, cac5667804f0e60c), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: deflate, (de1b8eea5ce7cb07, 878afcfdf49a933a), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: deflate, (55ebbe3a1437d579, cb8cfc9ce6fe39fa), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: deflate, (2e27019f4833b8bd, 8c897d1ca96112bc), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: deflate, (f6828894a173288e, 2e672db017be4c6b), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: deflate, (f1ccb1aeb9ce875b, 15d6551699506197), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: aci_png, (bc498eb0f594eff3, 52818c522f2ae66), 8, 8
[INFO] [stderr]    Compiling aci_png v0.8.0-pre0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/png.rs:116:29
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/png.rs:159:15
[INFO] [stdout]     |
[INFO] [stdout] 159 |         fn from_f32(f32) -> Self;
[INFO] [stdout]     |                     ^^^ help: try naming the parameter or explicitly ignoring it: `_: f32`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:224:2
[INFO] [stdout]     |
[INFO] [stdout] 224 |     try!(reader.read_exact(&mut buf));
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:251:5
[INFO] [stdout]     |
[INFO] [stdout] 251 |     Ok(try!(read_chunks(reader, &[])).0)
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:261:16
[INFO] [stdout]     |
[INFO] [stdout] 261 |     let dc = &mut try!(init_decoder(reader, size_of::<T>() * 8));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:262:22
[INFO] [stdout]     |
[INFO] [stdout] 262 |     let (buf, chunks) = try!(decode(dc, chunk_names));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:266:10
[INFO] [stdout]     |
[INFO] [stdout] 266 |        buf: try!(buf.vec()),
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:273:12
[INFO] [stdout]     |
[INFO] [stdout] 273 |     let hdr = try!(read_header(reader));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:333:2
[INFO] [stdout]     |
[INFO] [stdout] 333 |     try!(dc.stream.read_exact(&mut dc.chunk_lentype[0..8]));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:343:2
[INFO] [stdout]     |
[INFO] [stdout] 343 |     try!(dc.stream.read_exact(&mut tmp));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:361:16
[INFO] [stdout]     |
[INFO] [stdout] 361 |     let mut len = try!(read_chunkmeta(dc));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:372:14
[INFO] [stdout]     |
[INFO] [stdout] 372 |                 result = try!(read_idat_stream(dc, &mut len, &palette[..]));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:383:5
[INFO] [stdout]     |
[INFO] [stdout] 383 |                 try!(dc.stream.read_exact(&mut palette));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:385:5
[INFO] [stdout]     |
[INFO] [stdout] 385 |                 try!(readcheck_crc(dc));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:394:5
[INFO] [stdout]     |
[INFO] [stdout] 394 |                 try!(dc.stream.read_exact(&mut crc));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:405:6
[INFO] [stdout]     |
[INFO] [stdout] 405 |                     try!(dc.stream.read_exact(&mut data));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:408:6
[INFO] [stdout]     |
[INFO] [stdout] 408 |                     try!(readcheck_crc(dc));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:411:6
[INFO] [stdout]     |
[INFO] [stdout] 411 |                     try!(dc.stream.seek(SeekFrom::Current(len as i64 + 4)));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:417:9
[INFO] [stdout]     |
[INFO] [stdout] 417 |         len = try!(read_chunkmeta(dc));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:476:35
[INFO] [stdout]     |
[INFO] [stdout] 476 |     let (convert8, _0, _1, _2, _3) = try!(converter::<u8>(dc.src_fmt, ColFmt::RGBA));
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:477:36
[INFO] [stdout]     |
[INFO] [stdout] 477 |     let (convert16, c0, c1, c2, c3) = try!(converter::<u16>(dc.src_fmt, ColFmt::RGBA));
[INFO] [stdout]     |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:479:24
[INFO] [stdout]     |
[INFO] [stdout] 479 |     let compressed_data = try!(read_idat_chunks(dc, len));
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:498:5
[INFO] [stdout]     |
[INFO] [stdout] 498 |                 try!(zlib.read_exact(&mut cline[..]));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:501:5
[INFO] [stdout]     |
[INFO] [stdout] 501 |                 try!(recon(&mut cline[1..], &pline[1..], filter_type, filter_step));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:557:6
[INFO] [stdout]     |
[INFO] [stdout] 557 |                     try!(zlib.read_exact(&mut cline[..]));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:560:6
[INFO] [stdout]     |
[INFO] [stdout] 560 |                     try!(recon(&mut cline[1..], &pline[1..], filter_type, filter_step));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/png.rs:665:12
[INFO] [stdout]     |
[INFO] [stdout] 665 |     -> Result<(Vec<u8>), Error>
[INFO] [stdout]     |               ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:671:3
[INFO] [stdout]     |
[INFO] [stdout] 671 |         try!(dc.stream.read_exact(&mut all[start..]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:673:3
[INFO] [stdout]     |
[INFO] [stdout] 673 |         try!(readcheck_crc(dc));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:674:10
[INFO] [stdout]     |
[INFO] [stdout] 674 |         *len = try!(read_chunkmeta(dc));    // next chunk's len and type
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:806:2
[INFO] [stdout]     |
[INFO] [stdout] 806 |     try!(write_header(ec));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:810:2
[INFO] [stdout]     |
[INFO] [stdout] 810 |     try!(write_image_data(ec));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:813:2
[INFO] [stdout]     |
[INFO] [stdout] 813 |     try!(ec.stream.write_all(iend));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:814:2
[INFO] [stdout]     |
[INFO] [stdout] 814 |     try!(ec.stream.flush());
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:808:3
[INFO] [stdout]     |
[INFO] [stdout] 808 |         try!(write_custom_chunk(ec, chunk));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:823:2
[INFO] [stdout]     |
[INFO] [stdout] 823 |     try!(ec.stream.write_all(&PNG_FILE_HEADER[..]));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:824:2
[INFO] [stdout]     |
[INFO] [stdout] 824 |     try!(ec.stream.write_all(b"\0\0\0\x0dIHDR"));     crc.put(b"IHDR");
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:825:2
[INFO] [stdout]     |
[INFO] [stdout] 825 |     try!(ec.stream.write_all(width));                 crc.put(width);
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:826:2
[INFO] [stdout]     |
[INFO] [stdout] 826 |     try!(ec.stream.write_all(height));                crc.put(height);
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:835:2
[INFO] [stdout]     |
[INFO] [stdout] 835 |     try!(ec.stream.write_all(&tmp));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:838:2
[INFO] [stdout]     |
[INFO] [stdout] 838 |     try!(ec.stream.write_all(&crc.finish_be()[..]));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:857:2
[INFO] [stdout]     |
[INFO] [stdout] 857 |     try!(ec.stream.write_all(&u32_to_be(chunk.data.len() as u32)[..]));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:858:2
[INFO] [stdout]     |
[INFO] [stdout] 858 |     try!(ec.stream.write_all(&chunk.name[..]));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:859:2
[INFO] [stdout]     |
[INFO] [stdout] 859 |     try!(ec.stream.write_all(&chunk.data[..]));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:863:2
[INFO] [stdout]     |
[INFO] [stdout] 863 |     try!(ec.stream.write_all(&crc.finish_be()[..]));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:877:34
[INFO] [stdout]     |
[INFO] [stdout] 877 |     let (convert, c0, c1, c2, c3) = try!(converter(ColFmt::RGBA, 
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:923:3
[INFO] [stdout]     |
[INFO] [stdout] 923 |         try!(ec.stream.write_all(&u32_to_be(n as u32)[..]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:924:3
[INFO] [stdout]     |
[INFO] [stdout] 924 |         try!(ec.stream.write_all(b"IDAT"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:925:3
[INFO] [stdout]     |
[INFO] [stdout] 925 |         try!(ec.stream.write_all(&compressed[..n]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:926:3
[INFO] [stdout]     |
[INFO] [stdout] 926 |         try!(ec.stream.write_all(crc));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:918:11
[INFO] [stdout]     |
[INFO] [stdout] 918 |         let n = try!(compressed_data.read(&mut compressed[..]));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/png.rs:112:26
[INFO] [stdout]     |
[INFO] [stdout] 112 |             Error::Io(ref e) => e.description(),
[INFO] [stdout]     |                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 52 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/png.rs:116:29
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/png.rs:159:15
[INFO] [stdout]     |
[INFO] [stdout] 159 |         fn from_f32(f32) -> Self;
[INFO] [stdout]     |                     ^^^ help: try naming the parameter or explicitly ignoring it: `_: f32`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:224:2
[INFO] [stdout]     |
[INFO] [stdout] 224 |     try!(reader.read_exact(&mut buf));
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:251:5
[INFO] [stdout]     |
[INFO] [stdout] 251 |     Ok(try!(read_chunks(reader, &[])).0)
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:261:16
[INFO] [stdout]     |
[INFO] [stdout] 261 |     let dc = &mut try!(init_decoder(reader, size_of::<T>() * 8));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:262:22
[INFO] [stdout]     |
[INFO] [stdout] 262 |     let (buf, chunks) = try!(decode(dc, chunk_names));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:266:10
[INFO] [stdout]     |
[INFO] [stdout] 266 |        buf: try!(buf.vec()),
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:273:12
[INFO] [stdout]     |
[INFO] [stdout] 273 |     let hdr = try!(read_header(reader));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:333:2
[INFO] [stdout]     |
[INFO] [stdout] 333 |     try!(dc.stream.read_exact(&mut dc.chunk_lentype[0..8]));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:343:2
[INFO] [stdout]     |
[INFO] [stdout] 343 |     try!(dc.stream.read_exact(&mut tmp));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:361:16
[INFO] [stdout]     |
[INFO] [stdout] 361 |     let mut len = try!(read_chunkmeta(dc));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:372:14
[INFO] [stdout]     |
[INFO] [stdout] 372 |                 result = try!(read_idat_stream(dc, &mut len, &palette[..]));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:383:5
[INFO] [stdout]     |
[INFO] [stdout] 383 |                 try!(dc.stream.read_exact(&mut palette));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:385:5
[INFO] [stdout]     |
[INFO] [stdout] 385 |                 try!(readcheck_crc(dc));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:394:5
[INFO] [stdout]     |
[INFO] [stdout] 394 |                 try!(dc.stream.read_exact(&mut crc));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:405:6
[INFO] [stdout]     |
[INFO] [stdout] 405 |                     try!(dc.stream.read_exact(&mut data));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:408:6
[INFO] [stdout]     |
[INFO] [stdout] 408 |                     try!(readcheck_crc(dc));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:411:6
[INFO] [stdout]     |
[INFO] [stdout] 411 |                     try!(dc.stream.seek(SeekFrom::Current(len as i64 + 4)));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:417:9
[INFO] [stdout]     |
[INFO] [stdout] 417 |         len = try!(read_chunkmeta(dc));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:476:35
[INFO] [stdout]     |
[INFO] [stdout] 476 |     let (convert8, _0, _1, _2, _3) = try!(converter::<u8>(dc.src_fmt, ColFmt::RGBA));
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:477:36
[INFO] [stdout]     |
[INFO] [stdout] 477 |     let (convert16, c0, c1, c2, c3) = try!(converter::<u16>(dc.src_fmt, ColFmt::RGBA));
[INFO] [stdout]     |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:479:24
[INFO] [stdout]     |
[INFO] [stdout] 479 |     let compressed_data = try!(read_idat_chunks(dc, len));
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:498:5
[INFO] [stdout]     |
[INFO] [stdout] 498 |                 try!(zlib.read_exact(&mut cline[..]));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:501:5
[INFO] [stdout]     |
[INFO] [stdout] 501 |                 try!(recon(&mut cline[1..], &pline[1..], filter_type, filter_step));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:557:6
[INFO] [stdout]     |
[INFO] [stdout] 557 |                     try!(zlib.read_exact(&mut cline[..]));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:560:6
[INFO] [stdout]     |
[INFO] [stdout] 560 |                     try!(recon(&mut cline[1..], &pline[1..], filter_type, filter_step));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/png.rs:665:12
[INFO] [stdout]     |
[INFO] [stdout] 665 |     -> Result<(Vec<u8>), Error>
[INFO] [stdout]     |               ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:671:3
[INFO] [stdout]     |
[INFO] [stdout] 671 |         try!(dc.stream.read_exact(&mut all[start..]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:673:3
[INFO] [stdout]     |
[INFO] [stdout] 673 |         try!(readcheck_crc(dc));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:674:10
[INFO] [stdout]     |
[INFO] [stdout] 674 |         *len = try!(read_chunkmeta(dc));    // next chunk's len and type
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:806:2
[INFO] [stdout]     |
[INFO] [stdout] 806 |     try!(write_header(ec));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:810:2
[INFO] [stdout]     |
[INFO] [stdout] 810 |     try!(write_image_data(ec));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:813:2
[INFO] [stdout]     |
[INFO] [stdout] 813 |     try!(ec.stream.write_all(iend));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:814:2
[INFO] [stdout]     |
[INFO] [stdout] 814 |     try!(ec.stream.flush());
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:808:3
[INFO] [stdout]     |
[INFO] [stdout] 808 |         try!(write_custom_chunk(ec, chunk));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:823:2
[INFO] [stdout]     |
[INFO] [stdout] 823 |     try!(ec.stream.write_all(&PNG_FILE_HEADER[..]));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:824:2
[INFO] [stdout]     |
[INFO] [stdout] 824 |     try!(ec.stream.write_all(b"\0\0\0\x0dIHDR"));     crc.put(b"IHDR");
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:825:2
[INFO] [stdout]     |
[INFO] [stdout] 825 |     try!(ec.stream.write_all(width));                 crc.put(width);
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:826:2
[INFO] [stdout]     |
[INFO] [stdout] 826 |     try!(ec.stream.write_all(height));                crc.put(height);
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:835:2
[INFO] [stdout]     |
[INFO] [stdout] 835 |     try!(ec.stream.write_all(&tmp));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:838:2
[INFO] [stdout]     |
[INFO] [stdout] 838 |     try!(ec.stream.write_all(&crc.finish_be()[..]));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:857:2
[INFO] [stdout]     |
[INFO] [stdout] 857 |     try!(ec.stream.write_all(&u32_to_be(chunk.data.len() as u32)[..]));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:858:2
[INFO] [stdout]     |
[INFO] [stdout] 858 |     try!(ec.stream.write_all(&chunk.name[..]));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:859:2
[INFO] [stdout]     |
[INFO] [stdout] 859 |     try!(ec.stream.write_all(&chunk.data[..]));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:863:2
[INFO] [stdout]     |
[INFO] [stdout] 863 |     try!(ec.stream.write_all(&crc.finish_be()[..]));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:877:34
[INFO] [stdout]     |
[INFO] [stdout] 877 |     let (convert, c0, c1, c2, c3) = try!(converter(ColFmt::RGBA, 
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:923:3
[INFO] [stdout]     |
[INFO] [stdout] 923 |         try!(ec.stream.write_all(&u32_to_be(n as u32)[..]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:924:3
[INFO] [stdout]     |
[INFO] [stdout] 924 |         try!(ec.stream.write_all(b"IDAT"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:925:3
[INFO] [stdout]     |
[INFO] [stdout] 925 |         try!(ec.stream.write_all(&compressed[..n]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:926:3
[INFO] [stdout]     |
[INFO] [stdout] 926 |         try!(ec.stream.write_all(crc));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/png.rs:918:11
[INFO] [stdout]     |
[INFO] [stdout] 918 |         let n = try!(compressed_data.read(&mut compressed[..]));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/png.rs:112:26
[INFO] [stdout]     |
[INFO] [stdout] 112 |             Error::Io(ref e) => e.description(),
[INFO] [stdout]     |                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 52 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "29b1a35bffeffda60d9aeb6b1bc65da9abd818392dfa979b4e71a55b3821937a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29b1a35bffeffda60d9aeb6b1bc65da9abd818392dfa979b4e71a55b3821937a", kill_on_drop: false }`
[INFO] [stdout] 29b1a35bffeffda60d9aeb6b1bc65da9abd818392dfa979b4e71a55b3821937a