[INFO] cloning repository https://github.com/AndrewGaspar/pngs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AndrewGaspar/pngs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndrewGaspar%2Fpngs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndrewGaspar%2Fpngs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 46e3bf31dbc51c2851ee52e6b95378360097414e [INFO] testing AndrewGaspar/pngs against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndrewGaspar%2Fpngs" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/AndrewGaspar/pngs on toolchain b70888601af92f6cdc0364abab3446e418b91d36 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/AndrewGaspar/pngs [INFO] finished tweaking git repo https://github.com/AndrewGaspar/pngs [INFO] tweaked toml for git repo https://github.com/AndrewGaspar/pngs written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/AndrewGaspar/pngs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4c795dc22fc0a0642f19902dfd4bc6b4d8917d68be5bd65308e6714a89ecdbf2 [INFO] running `Command { std: "docker" "start" "-a" "4c795dc22fc0a0642f19902dfd4bc6b4d8917d68be5bd65308e6714a89ecdbf2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4c795dc22fc0a0642f19902dfd4bc6b4d8917d68be5bd65308e6714a89ecdbf2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c795dc22fc0a0642f19902dfd4bc6b4d8917d68be5bd65308e6714a89ecdbf2", kill_on_drop: false }` [INFO] [stdout] 4c795dc22fc0a0642f19902dfd4bc6b4d8917d68be5bd65308e6714a89ecdbf2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "-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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6b9e58da5812b2d6c3fd6f0353adb5e67d5af2b9e1b29bc168ed632f9e22c203 [INFO] running `Command { std: "docker" "start" "-a" "6b9e58da5812b2d6c3fd6f0353adb5e67d5af2b9e1b29bc168ed632f9e22c203", kill_on_drop: false }` [INFO] [stderr] Compiling pngs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/raw.rs:61:29 [INFO] [stdout] | [INFO] [stdout] 61 | fn fill_buffer(buffer: &mut Read, bytes: &mut [u8]) -> Result<()> { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Read` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/raw.rs:62:22 [INFO] [stdout] | [INFO] [stdout] 62 | let bytes_read = try!(buffer.read(&mut bytes[..])); [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/raw.rs:123:9 [INFO] [stdout] | [INFO] [stdout] 123 | try!(fill_buffer(&mut self.reader, &mut signature)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/raw.rs:124:9 [INFO] [stdout] | [INFO] [stdout] 124 | try!(ensure_valid_signature(signature)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/raw.rs:152:13 [INFO] [stdout] | [INFO] [stdout] 152 | try!(fill_buffer(&mut self.reader, &mut word)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/raw.rs:156:13 [INFO] [stdout] | [INFO] [stdout] 156 | try!(ensure_valid_chunk_type(chunk_type)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/raw.rs:162:13 [INFO] [stdout] | [INFO] [stdout] 162 | try!(fill_buffer(&mut self.reader, &mut chunk)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/raw.rs:164:13 [INFO] [stdout] | [INFO] [stdout] 164 | try!(fill_buffer(&mut self.reader, &mut word)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/raw.rs:208:16 [INFO] [stdout] | [INFO] [stdout] 208 | let file = try!(File::open(&path)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.34s [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "6b9e58da5812b2d6c3fd6f0353adb5e67d5af2b9e1b29bc168ed632f9e22c203", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b9e58da5812b2d6c3fd6f0353adb5e67d5af2b9e1b29bc168ed632f9e22c203", kill_on_drop: false }` [INFO] [stdout] 6b9e58da5812b2d6c3fd6f0353adb5e67d5af2b9e1b29bc168ed632f9e22c203 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "-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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 198bba215fd31aaebb9051f75323a7eb600d857c6f6dd3c4788990e7fc77d9fa [INFO] running `Command { std: "docker" "start" "-a" "198bba215fd31aaebb9051f75323a7eb600d857c6f6dd3c4788990e7fc77d9fa", kill_on_drop: false }` [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/raw.rs:61:29 [INFO] [stdout] | [INFO] [stdout] 61 | fn fill_buffer(buffer: &mut Read, bytes: &mut [u8]) -> Result<()> { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Read` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling pngs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/raw.rs:62:22 [INFO] [stdout] | [INFO] [stdout] 62 | let bytes_read = try!(buffer.read(&mut bytes[..])); [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/raw.rs:123:9 [INFO] [stdout] | [INFO] [stdout] 123 | try!(fill_buffer(&mut self.reader, &mut signature)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/raw.rs:124:9 [INFO] [stdout] | [INFO] [stdout] 124 | try!(ensure_valid_signature(signature)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/raw.rs:152:13 [INFO] [stdout] | [INFO] [stdout] 152 | try!(fill_buffer(&mut self.reader, &mut word)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/raw.rs:156:13 [INFO] [stdout] | [INFO] [stdout] 156 | try!(ensure_valid_chunk_type(chunk_type)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/raw.rs:162:13 [INFO] [stdout] | [INFO] [stdout] 162 | try!(fill_buffer(&mut self.reader, &mut chunk)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/raw.rs:164:13 [INFO] [stdout] | [INFO] [stdout] 164 | try!(fill_buffer(&mut self.reader, &mut word)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/raw.rs:208:16 [INFO] [stdout] | [INFO] [stdout] 208 | let file = try!(File::open(&path)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/raw.rs:61:29 [INFO] [stdout] | [INFO] [stdout] 61 | fn fill_buffer(buffer: &mut Read, bytes: &mut [u8]) -> Result<()> { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Read` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/raw.rs:62:22 [INFO] [stdout] | [INFO] [stdout] 62 | let bytes_read = try!(buffer.read(&mut bytes[..])); [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/raw.rs:123:9 [INFO] [stdout] | [INFO] [stdout] 123 | try!(fill_buffer(&mut self.reader, &mut signature)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/raw.rs:124:9 [INFO] [stdout] | [INFO] [stdout] 124 | try!(ensure_valid_signature(signature)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/raw.rs:152:13 [INFO] [stdout] | [INFO] [stdout] 152 | try!(fill_buffer(&mut self.reader, &mut word)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/raw.rs:156:13 [INFO] [stdout] | [INFO] [stdout] 156 | try!(ensure_valid_chunk_type(chunk_type)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/raw.rs:162:13 [INFO] [stdout] | [INFO] [stdout] 162 | try!(fill_buffer(&mut self.reader, &mut chunk)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/raw.rs:164:13 [INFO] [stdout] | [INFO] [stdout] 164 | try!(fill_buffer(&mut self.reader, &mut word)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/raw.rs:208:16 [INFO] [stdout] | [INFO] [stdout] 208 | let file = try!(File::open(&path)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.07s [INFO] running `Command { std: "docker" "inspect" "198bba215fd31aaebb9051f75323a7eb600d857c6f6dd3c4788990e7fc77d9fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "198bba215fd31aaebb9051f75323a7eb600d857c6f6dd3c4788990e7fc77d9fa", kill_on_drop: false }` [INFO] [stdout] 198bba215fd31aaebb9051f75323a7eb600d857c6f6dd3c4788990e7fc77d9fa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "-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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7ff6d31e12aa605d18e0c5043fa7963ac91841e1f01d628f0f2cc972f435938c [INFO] running `Command { std: "docker" "start" "-a" "7ff6d31e12aa605d18e0c5043fa7963ac91841e1f01d628f0f2cc972f435938c", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/raw.rs:61:29 [INFO] [stderr] | [INFO] [stderr] 61 | fn fill_buffer(buffer: &mut Read, bytes: &mut [u8]) -> Result<()> { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/raw.rs:62:22 [INFO] [stderr] | [INFO] [stderr] 62 | let bytes_read = try!(buffer.read(&mut bytes[..])); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/raw.rs:123:9 [INFO] [stderr] | [INFO] [stderr] 123 | try!(fill_buffer(&mut self.reader, &mut signature)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/raw.rs:124:9 [INFO] [stderr] | [INFO] [stderr] 124 | try!(ensure_valid_signature(signature)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/raw.rs:152:13 [INFO] [stderr] | [INFO] [stderr] 152 | try!(fill_buffer(&mut self.reader, &mut word)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/raw.rs:156:13 [INFO] [stderr] | [INFO] [stderr] 156 | try!(ensure_valid_chunk_type(chunk_type)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/raw.rs:162:13 [INFO] [stderr] | [INFO] [stderr] 162 | try!(fill_buffer(&mut self.reader, &mut chunk)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/raw.rs:164:13 [INFO] [stderr] | [INFO] [stderr] 164 | try!(fill_buffer(&mut self.reader, &mut word)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/raw.rs:208:16 [INFO] [stderr] | [INFO] [stderr] 208 | let file = try!(File::open(&path)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: `pngs` (lib) generated 9 warnings [INFO] [stderr] warning: `pngs` (lib test) generated 9 warnings (9 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/pngs-cffe8cc32535864c) [INFO] [stdout] running 1 test [INFO] [stderr] Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-368d6cc1f47c9d71) [INFO] [stdout] test raw::tests::standard_chunks ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests pngs [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test known_png ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "7ff6d31e12aa605d18e0c5043fa7963ac91841e1f01d628f0f2cc972f435938c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ff6d31e12aa605d18e0c5043fa7963ac91841e1f01d628f0f2cc972f435938c", kill_on_drop: false }` [INFO] [stdout] 7ff6d31e12aa605d18e0c5043fa7963ac91841e1f01d628f0f2cc972f435938c