[INFO] fetching crate podio 0.2.0...
[INFO] checking podio-0.2.0 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate podio 0.2.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate podio 0.2.0 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 019c38c89bc0ccfa429d10b9399e6c441b792c7684d66f4e4b81636af20b7336
[INFO] running `Command { std: "docker" "start" "-a" "019c38c89bc0ccfa429d10b9399e6c441b792c7684d66f4e4b81636af20b7336", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "019c38c89bc0ccfa429d10b9399e6c441b792c7684d66f4e4b81636af20b7336", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "019c38c89bc0ccfa429d10b9399e6c441b792c7684d66f4e4b81636af20b7336", kill_on_drop: false }`
[INFO] [stdout] 019c38c89bc0ccfa429d10b9399e6c441b792c7684d66f4e4b81636af20b7336
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56f2d187869cdd0920be38224b0220e9c59e61069d99f9ec256092071ba865df
[INFO] running `Command { std: "docker" "start" "-a" "56f2d187869cdd0920be38224b0220e9c59e61069d99f9ec256092071ba865df", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 0.55s
[INFO] running `Command { std: "docker" "inspect" "56f2d187869cdd0920be38224b0220e9c59e61069d99f9ec256092071ba865df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56f2d187869cdd0920be38224b0220e9c59e61069d99f9ec256092071ba865df", kill_on_drop: false }`
[INFO] [stdout] 56f2d187869cdd0920be38224b0220e9c59e61069d99f9ec256092071ba865df