[INFO] cloning repository https://github.com/telegicloetrocongelateur/rfb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/telegicloetrocongelateur/rfb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftelegicloetrocongelateur%2Frfb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftelegicloetrocongelateur%2Frfb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dee328732c88dfc530b1265a4e8cc3932a07aee2
[INFO] checking telegicloetrocongelateur/rfb against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftelegicloetrocongelateur%2Frfb" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/telegicloetrocongelateur/rfb
[INFO] finished tweaking git repo https://github.com/telegicloetrocongelateur/rfb
[INFO] tweaked toml for git repo https://github.com/telegicloetrocongelateur/rfb written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/telegicloetrocongelateur/rfb on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/telegicloetrocongelateur/rfb already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e296dbc2b77759e94de09f126c9b2cc5ee33c8ba284160645c117c86eff99683
[INFO] running `Command { std: "docker" "start" "-a" "e296dbc2b77759e94de09f126c9b2cc5ee33c8ba284160645c117c86eff99683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e296dbc2b77759e94de09f126c9b2cc5ee33c8ba284160645c117c86eff99683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e296dbc2b77759e94de09f126c9b2cc5ee33c8ba284160645c117c86eff99683", kill_on_drop: false }`
[INFO] [stdout] e296dbc2b77759e94de09f126c9b2cc5ee33c8ba284160645c117c86eff99683
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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 -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47100c8fc9348dc48e768ffe00f22e006fc201fae586dcdf16c5b075d2b50365
[INFO] running `Command { std: "docker" "start" "-a" "47100c8fc9348dc48e768ffe00f22e006fc201fae586dcdf16c5b075d2b50365", kill_on_drop: false }`
[INFO] [stderr]    Compiling io-lifetimes v1.0.9
[INFO] [stderr]    Compiling rustix v0.36.11
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking rfb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stdout] warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(generic_const_exprs)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::BufRead`
[INFO] [stdout]  --> src/client.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::BufRead;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/client.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::array`
[INFO] [stdout]  --> src/io.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::array;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::Infallible`
[INFO] [stdout]  --> src/io.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::convert::Infallible;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::Infallible`
[INFO] [stdout]  --> src/messages/pixel_format.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::convert::Infallible;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BigEndian`
[INFO] [stdout]  --> src/messages/framebuffer_update.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::io::{BigEndian, DecodeFrom, EncodeTo};
[INFO] [stdout]   |                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BigEndian`
[INFO] [stdout]  --> src/messages/set_encodings.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::io::{BigEndian, Decode, DecodeFrom, Encode, EncodeTo, Length};
[INFO] [stdout]   |                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `exclusive_range_pattern` has been stable since 1.80.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(exclusive_range_pattern)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reason`
[INFO] [stdout]   --> src/client.rs:47:21
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 let reason = String::decode_from(&mut reader)?;
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reason`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `framebuffer`
[INFO] [stdout]   --> src/client.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let framebuffer = FramebufferUpdate::decode_from(&mut reader)?;
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_framebuffer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `framebuffer`
[INFO] [stdout]   --> src/client.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let framebuffer = FramebufferUpdate::decode_from(&mut reader)?;
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_framebuffer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/error.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn from(value: TryFromIntError) -> Self {
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple ranges are one apart
[INFO] [stdout]   --> src/messages/security.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |             3..15 | 128 | 130..134 | 192 => RealVnc,
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             this range doesn't match `15_u8` because `..` is an exclusive range
[INFO] [stdout]    |             help: use an inclusive range instead: `3_u8..=15_u8`
[INFO] [stdout] 36 |             16 => Tight,
[INFO] [stdout]    |             -- this could appear to continue range `3_u8..15_u8`, but `15_u8` isn't matched by either of them
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_contiguous_range_endpoints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pixel_format` and `version` are never read
[INFO] [stdout]   --> src/client.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Client {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 13 |     pixel_format: PixelFormat,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 14 |     version: Version,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Endian` is never used
[INFO] [stdout]    --> src/io.rs:119:7
[INFO] [stdout]     |
[INFO] [stdout] 119 | trait Endian {}
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/io.rs:179:78
[INFO] [stdout]     |
[INFO] [stdout] 123 |   crate::impl_decode!(u8, u16, u32, u64, u128, i8, i16, i32, i64, i128);
[INFO] [stdout]     |   --------------------------------------------------------------------- in this macro invocation
[INFO] [stdout] ...
[INFO] [stdout] 179 |               fn try_from(value: $endian<$type>) -> Result<usize, Self::Error> {
[INFO] [stdout]     |  ______________________________________________________________________________^
[INFO] [stdout] 180 | |                 value.data.try_into()
[INFO] [stdout] 181 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]     = note: this error originates in the macro `$crate::impl_endians` which comes from the expansion of the macro `crate::impl_decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/io.rs:180:17
[INFO] [stdout]     |
[INFO] [stdout] 123 | crate::impl_decode!(u8, u16, u32, u64, u128, i8, i16, i32, i64, i128);
[INFO] [stdout]     | --------------------------------------------------------------------- in this macro invocation
[INFO] [stdout] ...
[INFO] [stdout] 180 |                 value.data.try_into()
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `$crate::impl_endians` which comes from the expansion of the macro `crate::impl_decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/io.rs:179:78
[INFO] [stdout]     |
[INFO] [stdout] 123 |   crate::impl_decode!(u8, u16, u32, u64, u128, i8, i16, i32, i64, i128);
[INFO] [stdout]     |   --------------------------------------------------------------------- in this macro invocation
[INFO] [stdout] ...
[INFO] [stdout] 179 |               fn try_from(value: $endian<$type>) -> Result<usize, Self::Error> {
[INFO] [stdout]     |  ______________________________________________________________________________^
[INFO] [stdout] 180 | |                 value.data.try_into()
[INFO] [stdout] 181 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `$crate::impl_endians` which comes from the expansion of the macro `crate::impl_decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/io.rs:180:17
[INFO] [stdout]     |
[INFO] [stdout] 123 | crate::impl_decode!(u8, u16, u32, u64, u128, i8, i16, i32, i64, i128);
[INFO] [stdout]     | --------------------------------------------------------------------- in this macro invocation
[INFO] [stdout] ...
[INFO] [stdout] 180 |                 value.data.try_into()
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `$crate::impl_endians` which comes from the expansion of the macro `crate::impl_decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rfb` (lib) due to 4 previous errors; 16 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "47100c8fc9348dc48e768ffe00f22e006fc201fae586dcdf16c5b075d2b50365", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47100c8fc9348dc48e768ffe00f22e006fc201fae586dcdf16c5b075d2b50365", kill_on_drop: false }`
[INFO] [stdout] 47100c8fc9348dc48e768ffe00f22e006fc201fae586dcdf16c5b075d2b50365
