[INFO] updating cached repository https://github.com/aphorisme/raio
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 90c5c41426b3faff962620bfc03a4d9dd4f61df1
[INFO] checking aphorisme/raio against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Faphorisme%2Fraio" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aphorisme/raio on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/aphorisme/raio
[INFO] finished tweaking git repo https://github.com/aphorisme/raio
[INFO] tweaked toml for git repo https://github.com/aphorisme/raio written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/aphorisme/raio already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0af9781ba489bda680f4a37e43b10cab974623adb68884641332d063729f7157
[INFO] running `"docker" "start" "-a" "0af9781ba489bda680f4a37e43b10cab974623adb68884641332d063729f7157"`
[INFO] [stderr]     Checking raio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `BigEndian`, `WriteBytesExt`
[INFO] [stderr]  --> src/bolt_bytes.rs:1:17
[INFO] [stderr]   |
[INFO] [stderr] 1 | use byteorder::{BigEndian, WriteBytesExt};
[INFO] [stderr]   |                 ^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::convert::TryFrom`
[INFO] [stderr]  --> src/packer.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::convert::TryFrom;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::convert::TryInto`
[INFO] [stderr]  --> src/packer.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::convert::TryInto;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::bolt_bytes::*`
[INFO] [stderr]  --> src/packer.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::bolt_bytes::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BigEndian`, `WriteBytesExt`
[INFO] [stderr]  --> src/packer.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | use byteorder::{WriteBytesExt, BigEndian};
[INFO] [stderr]   |                 ^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]  --> src/packing/value.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::packing::pack::*`
[INFO] [stderr]  --> src/packing/value.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::packing::pack::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `combine_nibble`
[INFO] [stderr]  --> src/packing/pack.rs:3:33
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::packing::raw::byte::{combine_nibble};
[INFO] [stderr]   |                                 ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::packing::size_type::*`
[INFO] [stderr]  --> src/packing/pack.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::packing::size_type::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BigEndian`, `WriteBytesExt`
[INFO] [stderr]  --> src/packing/pack.rs:7:17
[INFO] [stderr]   |
[INFO] [stderr] 7 | use byteorder::{WriteBytesExt, BigEndian};
[INFO] [stderr]   |                 ^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::convert::TryInto`
[INFO] [stderr]  --> src/packing/pack.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::convert::TryInto;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::convert::TryInto`
[INFO] [stderr]  --> src/packing/types/fixed_sized_type.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::convert::TryInto;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BigEndian`, `WriteBytesExt`
[INFO] [stderr]  --> src/bolt_bytes.rs:1:17
[INFO] [stderr]   |
[INFO] [stderr] 1 | use byteorder::{BigEndian, WriteBytesExt};
[INFO] [stderr]   |                 ^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::convert::TryFrom`
[INFO] [stderr]  --> src/packer.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::convert::TryFrom;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::convert::TryInto`
[INFO] [stderr]  --> src/packer.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::convert::TryInto;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::bolt_bytes::*`
[INFO] [stderr]  --> src/packer.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::bolt_bytes::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BigEndian`, `WriteBytesExt`
[INFO] [stderr]  --> src/packer.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | use byteorder::{WriteBytesExt, BigEndian};
[INFO] [stderr]   |                 ^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]  --> src/packing/value.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::packing::pack::*`
[INFO] [stderr]  --> src/packing/value.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::packing::pack::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `combine_nibble`
[INFO] [stderr]  --> src/packing/pack.rs:3:33
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::packing::raw::byte::{combine_nibble};
[INFO] [stderr]   |                                 ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::packing::size_type::*`
[INFO] [stderr]  --> src/packing/pack.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::packing::size_type::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BigEndian`, `WriteBytesExt`
[INFO] [stderr]  --> src/packing/pack.rs:7:17
[INFO] [stderr]   |
[INFO] [stderr] 7 | use byteorder::{WriteBytesExt, BigEndian};
[INFO] [stderr]   |                 ^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::convert::TryInto`
[INFO] [stderr]  --> src/packing/pack.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::convert::TryInto;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::convert::TryInto`
[INFO] [stderr]  --> src/packing/types/fixed_sized_type.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::convert::TryInto;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]    --> src/packing/pack.rs:283:22
[INFO] [stderr]     |
[INFO] [stderr] 283 |     fn pack<T>(self, buf: &mut T) -> Result<usize, PackingError> where T : Write {
[INFO] [stderr]     |                      ^^^ help: consider prefixing with an underscore: `_buf`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]   --> src/packing/structs.rs:27:22
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn pack<T>(self, buf: &mut T) -> Result<usize, Self::PackingError> where T : Write {
[INFO] [stderr]    |                      ^^^ help: consider prefixing with an underscore: `_buf`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]    --> src/packing/pack.rs:283:22
[INFO] [stderr]     |
[INFO] [stderr] 283 |     fn pack<T>(self, buf: &mut T) -> Result<usize, PackingError> where T : Write {
[INFO] [stderr]     |                      ^^^ help: consider prefixing with an underscore: `_buf`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]   --> src/packing/structs.rs:27:22
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn pack<T>(self, buf: &mut T) -> Result<usize, Self::PackingError> where T : Write {
[INFO] [stderr]    |                      ^^^ help: consider prefixing with an underscore: `_buf`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.22s
[INFO] running `"docker" "inspect" "0af9781ba489bda680f4a37e43b10cab974623adb68884641332d063729f7157"`
[INFO] running `"docker" "rm" "-f" "0af9781ba489bda680f4a37e43b10cab974623adb68884641332d063729f7157"`
[INFO] [stdout] 0af9781ba489bda680f4a37e43b10cab974623adb68884641332d063729f7157