[INFO] fetching crate podio 0.2.0...
[INFO] checking podio-0.2.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate podio 0.2.0 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate podio 0.2.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-31/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f13b3129cc287d7e27efa3da85fdfe8c7c4d166ef5ace8a60aa79dc32272a89
[INFO] running `Command { std: "docker" "start" "-a" "8f13b3129cc287d7e27efa3da85fdfe8c7c4d166ef5ace8a60aa79dc32272a89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f13b3129cc287d7e27efa3da85fdfe8c7c4d166ef5ace8a60aa79dc32272a89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f13b3129cc287d7e27efa3da85fdfe8c7c4d166ef5ace8a60aa79dc32272a89", kill_on_drop: false }`
[INFO] [stdout] 8f13b3129cc287d7e27efa3da85fdfe8c7c4d166ef5ace8a60aa79dc32272a89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 070875bd7fab8373b8ef02a7d913e182f0638b8e2c69786ec33707ce96b00f5e
[INFO] running `Command { std: "docker" "start" "-a" "070875bd7fab8373b8ef02a7d913e182f0638b8e2c69786ec33707ce96b00f5e", kill_on_drop: false }`
[INFO] [stderr]     Checking 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: 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] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "070875bd7fab8373b8ef02a7d913e182f0638b8e2c69786ec33707ce96b00f5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "070875bd7fab8373b8ef02a7d913e182f0638b8e2c69786ec33707ce96b00f5e", kill_on_drop: false }`
[INFO] [stdout] 070875bd7fab8373b8ef02a7d913e182f0638b8e2c69786ec33707ce96b00f5e