[INFO] cloning repository https://github.com/llenotre/Visto
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/llenotre/Visto" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllenotre%2FVisto", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllenotre%2FVisto'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3eab5ee9b32875c801a32bcc354377a0abd8b880
[INFO] checking llenotre/Visto against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllenotre%2FVisto" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/llenotre/Visto
[INFO] finished tweaking git repo https://github.com/llenotre/Visto
[INFO] tweaked toml for git repo https://github.com/llenotre/Visto written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/llenotre/Visto on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/llenotre/Visto 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: /workspace/builds/worker-7-tc1/source/server/Cargo.toml: file `/workspace/builds/worker-7-tc1/source/server/src/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `lib` target `visto`
[INFO] [stderr]   * `bin` target `visto`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd895274ee7078c5f17e9fed16b0e33fcc1910c1b33458c298eac11e3274281a
[INFO] running `Command { std: "docker" "start" "-a" "cd895274ee7078c5f17e9fed16b0e33fcc1910c1b33458c298eac11e3274281a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd895274ee7078c5f17e9fed16b0e33fcc1910c1b33458c298eac11e3274281a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd895274ee7078c5f17e9fed16b0e33fcc1910c1b33458c298eac11e3274281a", kill_on_drop: false }`
[INFO] [stdout] cd895274ee7078c5f17e9fed16b0e33fcc1910c1b33458c298eac11e3274281a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66ce85626deae15c41ab7552be6907387d6c61c2ac7f07a20dc1c90001f5e3cd
[INFO] running `Command { std: "docker" "start" "-a" "66ce85626deae15c41ab7552be6907387d6c61c2ac7f07a20dc1c90001f5e3cd", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: /opt/rustwide/workdir/server/Cargo.toml: file `/opt/rustwide/workdir/server/src/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `lib` target `visto`
[INFO] [stderr]   * `bin` target `visto`
[INFO] [stderr]     Checking libloading v0.8.0
[INFO] [stderr]     Checking visto v0.1.0 (/opt/rustwide/workdir/server)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> server/src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(linked_list_cursors)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> server/src/ctx/client.rs:211:4
[INFO] [stdout]     |
[INFO] [stdout] 211 |             /// Padding.
[INFO] [stdout]     |             ^^^^^^^^^^^^
[INFO] [stdout] 212 |             _padding1: 0,
[INFO] [stdout]     |             ------------ rustdoc does not generate documentation for expression fields
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `io`
[INFO] [stdout]   --> server/src/output/mod.rs:17:14
[INFO] [stdout]    |
[INFO] [stdout] 17 | macro_rules! io {
[INFO] [stdout]    |              ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `iow`
[INFO] [stdout]   --> server/src/output/mod.rs:24:14
[INFO] [stdout]    |
[INFO] [stdout] 24 | macro_rules! iow {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `ior`
[INFO] [stdout]   --> server/src/output/mod.rs:31:14
[INFO] [stdout]    |
[INFO] [stdout] 31 | macro_rules! ior {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> server/src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(linked_list_cursors)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> server/src/ctx/client.rs:211:4
[INFO] [stdout]     |
[INFO] [stdout] 211 |             /// Padding.
[INFO] [stdout]     |             ^^^^^^^^^^^^
[INFO] [stdout] 212 |             _padding1: 0,
[INFO] [stdout]     |             ------------ rustdoc does not generate documentation for expression fields
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `io`
[INFO] [stdout]   --> server/src/output/mod.rs:17:14
[INFO] [stdout]    |
[INFO] [stdout] 17 | macro_rules! io {
[INFO] [stdout]    |              ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `iow`
[INFO] [stdout]   --> server/src/output/mod.rs:24:14
[INFO] [stdout]    |
[INFO] [stdout] 24 | macro_rules! iow {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `ior`
[INFO] [stdout]   --> server/src/output/mod.rs:31:14
[INFO] [stdout]    |
[INFO] [stdout] 31 | macro_rules! ior {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> server/src/protocol/request/create_window.rs:105:7
[INFO] [stdout]     |
[INFO] [stdout] 105 |         let mut window = Window::new(ctx, NonZeroU32::new(self.parent), rect);
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client`
[INFO] [stdout]   --> server/src/protocol/request/create_window.rs:95:3
[INFO] [stdout]    |
[INFO] [stdout] 95 |         client: &mut Client,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_client`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `seq_nbr`
[INFO] [stdout]   --> server/src/protocol/request/create_window.rs:96:3
[INFO] [stdout]    |
[INFO] [stdout] 96 |         seq_nbr: u16,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_seq_nbr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> server/src/main.rs:132:6
[INFO] [stdout]     |
[INFO] [stdout] 132 |     let mut listener = Listener::new(&unix_path, tcp_port, &mut poll).unwrap_or_else(|e| {
[INFO] [stdout]     |         ----^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> server/src/protocol/request/create_window.rs:105:7
[INFO] [stdout]     |
[INFO] [stdout] 105 |         let mut window = Window::new(ctx, NonZeroU32::new(self.parent), rect);
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client`
[INFO] [stdout]   --> server/src/protocol/request/create_window.rs:95:3
[INFO] [stdout]    |
[INFO] [stdout] 95 |         client: &mut Client,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_client`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `seq_nbr`
[INFO] [stdout]   --> server/src/protocol/request/create_window.rs:96:3
[INFO] [stdout]    |
[INFO] [stdout] 96 |         seq_nbr: u16,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_seq_nbr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `visto` (lib) due to 1 previous error; 8 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> server/src/main.rs:132:6
[INFO] [stdout]     |
[INFO] [stdout] 132 |     let mut listener = Listener::new(&unix_path, tcp_port, &mut poll).unwrap_or_else(|e| {
[INFO] [stdout]     |         ----^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `visto` (lib test) due to 1 previous error; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "66ce85626deae15c41ab7552be6907387d6c61c2ac7f07a20dc1c90001f5e3cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66ce85626deae15c41ab7552be6907387d6c61c2ac7f07a20dc1c90001f5e3cd", kill_on_drop: false }`
[INFO] [stdout] 66ce85626deae15c41ab7552be6907387d6c61c2ac7f07a20dc1c90001f5e3cd
