[INFO] fetching crate podio 0.2.0...
[INFO] testing podio-0.2.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate podio 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate podio 0.2.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate podio 0.2.0
[INFO] finished tweaking crates.io crate podio 0.2.0
[INFO] tweaked toml for crates.io crate podio 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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" "+beta-2021-09-08" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] afa4bc8eb2264c118d2337fc42a53a108b3004f4775bb1d452fc5f84a6ff5411
[INFO] running `Command { std: "docker" "start" "-a" "afa4bc8eb2264c118d2337fc42a53a108b3004f4775bb1d452fc5f84a6ff5411", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afa4bc8eb2264c118d2337fc42a53a108b3004f4775bb1d452fc5f84a6ff5411", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afa4bc8eb2264c118d2337fc42a53a108b3004f4775bb1d452fc5f84a6ff5411", kill_on_drop: false }`
[INFO] [stdout] afa4bc8eb2264c118d2337fc42a53a108b3004f4775bb1d452fc5f84a6ff5411
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2371edc978b59b25a5d360d81dbd20aac467c6c61dbf71131127888b55e97d6
[INFO] running `Command { std: "docker" "start" "-a" "c2371edc978b59b25a5d360d81dbd20aac467c6c61dbf71131127888b55e97d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling podio v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:77:44
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn write_u64<T: Endianness>(&mut self, u64) -> io::Result<()>;
[INFO] [stdout]    |                                            ^^^ help: try naming the parameter or explicitly ignoring it: `_: u64`
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:79:44
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fn write_u32<T: Endianness>(&mut self, u32) -> io::Result<()>;
[INFO] [stdout]    |                                            ^^^ help: try naming the parameter or explicitly ignoring it: `_: u32`
[INFO] [stdout]    |
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:81:44
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn write_u16<T: Endianness>(&mut self, u16) -> io::Result<()>;
[INFO] [stdout]    |                                            ^^^ help: try naming the parameter or explicitly ignoring it: `_: u16`
[INFO] [stdout]    |
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:83:28
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn write_u8(&mut self, u8) -> io::Result<()>;
[INFO] [stdout]    |                            ^^ help: try naming the parameter or explicitly ignoring it: `_: u8`
[INFO] [stdout]    |
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:85:44
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn write_i64<T: Endianness>(&mut self, i64) -> io::Result<()>;
[INFO] [stdout]    |                                            ^^^ help: try naming the parameter or explicitly ignoring it: `_: i64`
[INFO] [stdout]    |
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:87:44
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn write_i32<T: Endianness>(&mut self, i32) -> io::Result<()>;
[INFO] [stdout]    |                                            ^^^ help: try naming the parameter or explicitly ignoring it: `_: i32`
[INFO] [stdout]    |
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:89:44
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn write_i16<T: Endianness>(&mut self, i16) -> io::Result<()>;
[INFO] [stdout]    |                                            ^^^ help: try naming the parameter or explicitly ignoring it: `_: i16`
[INFO] [stdout]    |
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:91:28
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn write_i8(&mut self, i8) -> io::Result<()>;
[INFO] [stdout]    |                            ^^ help: try naming the parameter or explicitly ignoring it: `_: i8`
[INFO] [stdout]    |
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:93:44
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn write_f32<T: Endianness>(&mut self, f32) -> io::Result<()>;
[INFO] [stdout]    |                                            ^^^ help: try naming the parameter or explicitly ignoring it: `_: f32`
[INFO] [stdout]    |
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:95:44
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn write_f64<T: Endianness>(&mut self, f64) -> io::Result<()>;
[INFO] [stdout]    |                                            ^^^ help: try naming the parameter or explicitly ignoring it: `_: f64`
[INFO] [stdout]    |
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/lib.rs:121:30
[INFO] [stdout]     |
[INFO] [stdout] 121 |     fn read_exact(&mut self, usize) -> io::Result<Vec<u8>>;
[INFO] [stdout]     |                              ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stdout]     |
[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: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "c2371edc978b59b25a5d360d81dbd20aac467c6c61dbf71131127888b55e97d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2371edc978b59b25a5d360d81dbd20aac467c6c61dbf71131127888b55e97d6", kill_on_drop: false }`
[INFO] [stdout] c2371edc978b59b25a5d360d81dbd20aac467c6c61dbf71131127888b55e97d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 632af9f6fee48ac7fe83f760a9331686f730ef1873a5328c2c3ece8444b3e782
[INFO] running `Command { std: "docker" "start" "-a" "632af9f6fee48ac7fe83f760a9331686f730ef1873a5328c2c3ece8444b3e782", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:77:44
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn write_u64<T: Endianness>(&mut self, u64) -> io::Result<()>;
[INFO] [stdout]    |                                            ^^^ help: try naming the parameter or explicitly ignoring it: `_: u64`
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:79:44
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fn write_u32<T: Endianness>(&mut self, u32) -> io::Result<()>;
[INFO] [stdout]    |                                            ^^^ help: try naming the parameter or explicitly ignoring it: `_: u32`
[INFO] [stdout]    |
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:81:44
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn write_u16<T: Endianness>(&mut self, u16) -> io::Result<()>;
[INFO] [stdout]    |                                            ^^^ help: try naming the parameter or explicitly ignoring it: `_: u16`
[INFO] [stdout]    |
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:83:28
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn write_u8(&mut self, u8) -> io::Result<()>;
[INFO] [stdout]    |                            ^^ help: try naming the parameter or explicitly ignoring it: `_: u8`
[INFO] [stdout]    |
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:85:44
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn write_i64<T: Endianness>(&mut self, i64) -> io::Result<()>;
[INFO] [stdout]    |                                            ^^^ help: try naming the parameter or explicitly ignoring it: `_: i64`
[INFO] [stdout]    |
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:87:44
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn write_i32<T: Endianness>(&mut self, i32) -> io::Result<()>;
[INFO] [stdout]    |                                            ^^^ help: try naming the parameter or explicitly ignoring it: `_: i32`
[INFO] [stdout]    |
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:89:44
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn write_i16<T: Endianness>(&mut self, i16) -> io::Result<()>;
[INFO] [stdout]    |                                            ^^^ help: try naming the parameter or explicitly ignoring it: `_: i16`
[INFO] [stdout]    |
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:91:28
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn write_i8(&mut self, i8) -> io::Result<()>;
[INFO] [stdout]    |                            ^^ help: try naming the parameter or explicitly ignoring it: `_: i8`
[INFO] [stdout]    |
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:93:44
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn write_f32<T: Endianness>(&mut self, f32) -> io::Result<()>;
[INFO] [stdout]    |                                            ^^^ help: try naming the parameter or explicitly ignoring it: `_: f32`
[INFO] [stdout]    |
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:95:44
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn write_f64<T: Endianness>(&mut self, f64) -> io::Result<()>;
[INFO] [stdout]    |                                            ^^^ help: try naming the parameter or explicitly ignoring it: `_: f64`
[INFO] [stdout]    |
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/lib.rs:121:30
[INFO] [stdout]     |
[INFO] [stdout] 121 |     fn read_exact(&mut self, usize) -> io::Result<Vec<u8>>;
[INFO] [stdout]     |                              ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stdout]     |
[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] [stderr]    Compiling podio v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:77:44
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn write_u64<T: Endianness>(&mut self, u64) -> io::Result<()>;
[INFO] [stdout]    |                                            ^^^ help: try naming the parameter or explicitly ignoring it: `_: u64`
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:79:44
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fn write_u32<T: Endianness>(&mut self, u32) -> io::Result<()>;
[INFO] [stdout]    |                                            ^^^ help: try naming the parameter or explicitly ignoring it: `_: u32`
[INFO] [stdout]    |
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:81:44
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn write_u16<T: Endianness>(&mut self, u16) -> io::Result<()>;
[INFO] [stdout]    |                                            ^^^ help: try naming the parameter or explicitly ignoring it: `_: u16`
[INFO] [stdout]    |
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:83:28
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn write_u8(&mut self, u8) -> io::Result<()>;
[INFO] [stdout]    |                            ^^ help: try naming the parameter or explicitly ignoring it: `_: u8`
[INFO] [stdout]    |
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:85:44
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn write_i64<T: Endianness>(&mut self, i64) -> io::Result<()>;
[INFO] [stdout]    |                                            ^^^ help: try naming the parameter or explicitly ignoring it: `_: i64`
[INFO] [stdout]    |
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:87:44
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn write_i32<T: Endianness>(&mut self, i32) -> io::Result<()>;
[INFO] [stdout]    |                                            ^^^ help: try naming the parameter or explicitly ignoring it: `_: i32`
[INFO] [stdout]    |
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:89:44
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn write_i16<T: Endianness>(&mut self, i16) -> io::Result<()>;
[INFO] [stdout]    |                                            ^^^ help: try naming the parameter or explicitly ignoring it: `_: i16`
[INFO] [stdout]    |
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:91:28
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn write_i8(&mut self, i8) -> io::Result<()>;
[INFO] [stdout]    |                            ^^ help: try naming the parameter or explicitly ignoring it: `_: i8`
[INFO] [stdout]    |
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:93:44
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn write_f32<T: Endianness>(&mut self, f32) -> io::Result<()>;
[INFO] [stdout]    |                                            ^^^ help: try naming the parameter or explicitly ignoring it: `_: f32`
[INFO] [stdout]    |
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:95:44
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn write_f64<T: Endianness>(&mut self, f64) -> io::Result<()>;
[INFO] [stdout]    |                                            ^^^ help: try naming the parameter or explicitly ignoring it: `_: f64`
[INFO] [stdout]    |
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/lib.rs:121:30
[INFO] [stdout]     |
[INFO] [stdout] 121 |     fn read_exact(&mut self, usize) -> io::Result<Vec<u8>>;
[INFO] [stdout]     |                              ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stdout]     |
[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: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "632af9f6fee48ac7fe83f760a9331686f730ef1873a5328c2c3ece8444b3e782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "632af9f6fee48ac7fe83f760a9331686f730ef1873a5328c2c3ece8444b3e782", kill_on_drop: false }`
[INFO] [stdout] 632af9f6fee48ac7fe83f760a9331686f730ef1873a5328c2c3ece8444b3e782
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b51e4a15af25db09e61a1bcd4a733de67ba41b30cc28e9a47026de45d52cc884
[INFO] running `Command { std: "docker" "start" "-a" "b51e4a15af25db09e61a1bcd4a733de67ba41b30cc28e9a47026de45d52cc884", kill_on_drop: false }`
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> src/lib.rs:77:44
[INFO] [stderr]    |
[INFO] [stderr] 77 |     fn write_u64<T: Endianness>(&mut self, u64) -> io::Result<()>;
[INFO] [stderr]    |                                            ^^^ help: try naming the parameter or explicitly ignoring it: `_: u64`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> src/lib.rs:79:44
[INFO] [stderr]    |
[INFO] [stderr] 79 |     fn write_u32<T: Endianness>(&mut self, u32) -> io::Result<()>;
[INFO] [stderr]    |                                            ^^^ help: try naming the parameter or explicitly ignoring it: `_: u32`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> src/lib.rs:81:44
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn write_u16<T: Endianness>(&mut self, u16) -> io::Result<()>;
[INFO] [stderr]    |                                            ^^^ help: try naming the parameter or explicitly ignoring it: `_: u16`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> src/lib.rs:83:28
[INFO] [stderr]    |
[INFO] [stderr] 83 |     fn write_u8(&mut self, u8) -> io::Result<()>;
[INFO] [stderr]    |                            ^^ help: try naming the parameter or explicitly ignoring it: `_: u8`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> src/lib.rs:85:44
[INFO] [stderr]    |
[INFO] [stderr] 85 |     fn write_i64<T: Endianness>(&mut self, i64) -> io::Result<()>;
[INFO] [stderr]    |                                            ^^^ help: try naming the parameter or explicitly ignoring it: `_: i64`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> src/lib.rs:87:44
[INFO] [stderr]    |
[INFO] [stderr] 87 |     fn write_i32<T: Endianness>(&mut self, i32) -> io::Result<()>;
[INFO] [stderr]    |                                            ^^^ help: try naming the parameter or explicitly ignoring it: `_: i32`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> src/lib.rs:89:44
[INFO] [stderr]    |
[INFO] [stderr] 89 |     fn write_i16<T: Endianness>(&mut self, i16) -> io::Result<()>;
[INFO] [stderr]    |                                            ^^^ help: try naming the parameter or explicitly ignoring it: `_: i16`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> src/lib.rs:91:28
[INFO] [stderr]    |
[INFO] [stderr] 91 |     fn write_i8(&mut self, i8) -> io::Result<()>;
[INFO] [stderr]    |                            ^^ help: try naming the parameter or explicitly ignoring it: `_: i8`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> src/lib.rs:93:44
[INFO] [stderr]    |
[INFO] [stderr] 93 |     fn write_f32<T: Endianness>(&mut self, f32) -> io::Result<()>;
[INFO] [stderr]    |                                            ^^^ help: try naming the parameter or explicitly ignoring it: `_: f32`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> src/lib.rs:95:44
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn write_f64<T: Endianness>(&mut self, f64) -> io::Result<()>;
[INFO] [stderr]    |                                            ^^^ help: try naming the parameter or explicitly ignoring it: `_: f64`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]    --> src/lib.rs:121:30
[INFO] [stderr]     |
[INFO] [stderr] 121 |     fn read_exact(&mut self, usize) -> io::Result<Vec<u8>>;
[INFO] [stderr]     |                              ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: `podio` (lib) generated 11 warnings
[INFO] [stderr] warning: `podio` (lib test) generated 11 warnings (11 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/podio-8dfad10c4a64f254)
[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] [stderr]      Running tests/bytes.rs (/opt/rustwide/target/debug/deps/bytes-1e78a9e5ff81127e)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test read_be ... ok
[INFO] [stdout] test read_exact ... ok
[INFO] [stdout] test read_float ... ok
[INFO] [stderr]      Running tests/io.rs (/opt/rustwide/target/debug/deps/io-2f8e2e00285f01cf)
[INFO] [stdout] test write_le ... ok
[INFO] [stdout] test read_le ... ok
[INFO] [stdout] test write_octet ... ok
[INFO] [stdout] test read_octet ... ok
[INFO] [stdout] test write_be ... ok
[INFO] [stdout] test write_float ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test eof ... ok
[INFO] [stdout] test err ... ok
[INFO] [stderr]    Doc-tests podio
[INFO] [stdout] test interrupted ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 31) ... ok
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] test src/lib.rs - (line 46) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.49s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b51e4a15af25db09e61a1bcd4a733de67ba41b30cc28e9a47026de45d52cc884", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b51e4a15af25db09e61a1bcd4a733de67ba41b30cc28e9a47026de45d52cc884", kill_on_drop: false }`
[INFO] [stdout] b51e4a15af25db09e61a1bcd4a733de67ba41b30cc28e9a47026de45d52cc884