[INFO] fetching crate octyl 0.1.0...
[INFO] testing octyl-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate octyl 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate octyl 0.1.0
[INFO] finished tweaking crates.io crate octyl 0.1.0
[INFO] tweaked toml for crates.io crate octyl 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate octyl 0.1.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate octyl 0.1.0 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" "+beta-2026-04-21" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b72980bd56ef5e415d3f41f59b5072a9b2ff7f10df770ddfc8435f7ddbaf027
[INFO] running `Command { std: "docker" "start" "-a" "1b72980bd56ef5e415d3f41f59b5072a9b2ff7f10df770ddfc8435f7ddbaf027", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b72980bd56ef5e415d3f41f59b5072a9b2ff7f10df770ddfc8435f7ddbaf027", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b72980bd56ef5e415d3f41f59b5072a9b2ff7f10df770ddfc8435f7ddbaf027", kill_on_drop: false }`
[INFO] [stdout] 1b72980bd56ef5e415d3f41f59b5072a9b2ff7f10df770ddfc8435f7ddbaf027
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1c1b9ba561cde7f3d4469f5588799524e9a825154bf371db31cb22b1cb50263
[INFO] running `Command { std: "docker" "start" "-a" "d1c1b9ba561cde7f3d4469f5588799524e9a825154bf371db31cb22b1cb50263", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling smallvec v1.11.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling pin-project-lite v0.2.11
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling str_indices v0.4.1
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling ropey v1.6.0
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling mio v0.8.8
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling signal-hook-mio v0.2.3
[INFO] [stderr]    Compiling crossterm v0.26.1
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling futures-executor v0.3.28
[INFO] [stderr]    Compiling futures v0.3.28
[INFO] [stderr]    Compiling tokio-util v0.7.8
[INFO] [stderr]    Compiling octyl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `reader`
[INFO] [stdout]   --> src/util.rs:37:28
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn read(&mut self, reader: &mut impl Read) -> Result<()> {
[INFO] [stdout]    |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sync::OnceLock`
[INFO] [stdout]  --> src/main.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{io::stdout, sync::OnceLock};
[INFO] [stdout]   |                       ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut terminal = Terminal::init()?;
[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: value assigned to `cursor_pos` is never read
[INFO] [stdout]   --> src/main.rs:60:25
[INFO] [stdout]    |
[INFO] [stdout] 60 |                         cursor_pos.0 = 0;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cursor_pos` is never read
[INFO] [stdout]   --> src/main.rs:61:25
[INFO] [stdout]    |
[INFO] [stdout] 61 |                         cursor_pos.1 += 1;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.26s
[INFO] running `Command { std: "docker" "inspect" "d1c1b9ba561cde7f3d4469f5588799524e9a825154bf371db31cb22b1cb50263", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1c1b9ba561cde7f3d4469f5588799524e9a825154bf371db31cb22b1cb50263", kill_on_drop: false }`
[INFO] [stdout] d1c1b9ba561cde7f3d4469f5588799524e9a825154bf371db31cb22b1cb50263
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61e91712e228aafc10142f4111f46f1317ce1630bf68fc76e502e8d066cba037
[INFO] running `Command { std: "docker" "start" "-a" "61e91712e228aafc10142f4111f46f1317ce1630bf68fc76e502e8d066cba037", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `reader`
[INFO] [stdout]   --> src/util.rs:37:28
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn read(&mut self, reader: &mut impl Read) -> Result<()> {
[INFO] [stdout]    |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling octyl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `sync::OnceLock`
[INFO] [stdout]  --> src/main.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{io::stdout, sync::OnceLock};
[INFO] [stdout]   |                       ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut terminal = Terminal::init()?;
[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: value assigned to `cursor_pos` is never read
[INFO] [stdout]   --> src/main.rs:60:25
[INFO] [stdout]    |
[INFO] [stdout] 60 |                         cursor_pos.0 = 0;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cursor_pos` is never read
[INFO] [stdout]   --> src/main.rs:61:25
[INFO] [stdout]    |
[INFO] [stdout] 61 |                         cursor_pos.1 += 1;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reader`
[INFO] [stdout]   --> src/util.rs:37:28
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn read(&mut self, reader: &mut impl Read) -> Result<()> {
[INFO] [stdout]    |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "61e91712e228aafc10142f4111f46f1317ce1630bf68fc76e502e8d066cba037", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61e91712e228aafc10142f4111f46f1317ce1630bf68fc76e502e8d066cba037", kill_on_drop: false }`
[INFO] [stdout] 61e91712e228aafc10142f4111f46f1317ce1630bf68fc76e502e8d066cba037
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8d4542c3d8d272dbf1ff1e2908671dcd6aa9ff957002e55e5c046e324aff9114
[INFO] running `Command { std: "docker" "start" "-a" "8d4542c3d8d272dbf1ff1e2908671dcd6aa9ff957002e55e5c046e324aff9114", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `reader`
[INFO] [stderr]   --> src/util.rs:37:28
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn read(&mut self, reader: &mut impl Read) -> Result<()> {
[INFO] [stderr]    |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `octyl` (lib) generated 1 warning (run `cargo fix --lib -p octyl` to apply 1 suggestion)
[INFO] [stderr] warning: `octyl` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: unused import: `sync::OnceLock`
[INFO] [stderr]  --> src/main.rs:3:23
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::{io::stdout, sync::OnceLock};
[INFO] [stderr]   |                       ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let mut terminal = Terminal::init()?;
[INFO] [stderr]    |         ----^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `cursor_pos` is never read
[INFO] [stderr]   --> src/main.rs:60:25
[INFO] [stderr]    |
[INFO] [stderr] 60 |                         cursor_pos.0 = 0;
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `cursor_pos` is never read
[INFO] [stderr]   --> src/main.rs:61:25
[INFO] [stderr]    |
[INFO] [stderr] 61 |                         cursor_pos.1 += 1;
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: `octyl` (bin "octyl" test) generated 4 warnings (run `cargo fix --bin "octyl" -p octyl --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/octyl-0ad43fa7ecc0b461)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/octyl-85196b328ef4ee58)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests octyl
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8d4542c3d8d272dbf1ff1e2908671dcd6aa9ff957002e55e5c046e324aff9114", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d4542c3d8d272dbf1ff1e2908671dcd6aa9ff957002e55e5c046e324aff9114", kill_on_drop: false }`
[INFO] [stdout] 8d4542c3d8d272dbf1ff1e2908671dcd6aa9ff957002e55e5c046e324aff9114
