[INFO] fetching crate mischef 0.1.16...
[INFO] building mischef-0.1.16 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate mischef 0.1.16 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate mischef 0.1.16
[INFO] finished tweaking crates.io crate mischef 0.1.16
[INFO] tweaked toml for crates.io crate mischef 0.1.16 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mischef 0.1.16 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 62 packages to latest compatible versions
[INFO] [stderr]       Adding crossterm v0.27.0 (available: v0.29.0)
[INFO] [stderr]       Adding ratatui v0.24.0 (available: v0.29.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e34f51e2289a6f586b108d32e23f78d34d1b5ca916058a0089430673791da28e
[INFO] running `Command { std: "docker" "start" "-a" "e34f51e2289a6f586b108d32e23f78d34d1b5ca916058a0089430673791da28e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e34f51e2289a6f586b108d32e23f78d34d1b5ca916058a0089430673791da28e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e34f51e2289a6f586b108d32e23f78d34d1b5ca916058a0089430673791da28e", kill_on_drop: false }`
[INFO] [stdout] e34f51e2289a6f586b108d32e23f78d34d1b5ca916058a0089430673791da28e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb8d8d1e3e2a5c5bcef544db64939bd5bd881e7255fc474a1c1664a48ee50a16
[INFO] running `Command { std: "docker" "start" "-a" "fb8d8d1e3e2a5c5bcef544db64939bd5bd881e7255fc474a1c1664a48ee50a16", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling crossterm v0.27.0
[INFO] [stderr]    Compiling lru v0.12.5
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]    Compiling strum v0.25.0
[INFO] [stderr]    Compiling ratatui v0.24.0
[INFO] [stderr]    Compiling mischef v0.1.16 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `cache`
[INFO] [stdout]    --> src/lib.rs:764:41
[INFO] [stdout]     |
[INFO] [stdout] 764 |     fn render(&mut self, f: &mut Frame, cache: &mut (), area: Rect) {
[INFO] [stdout]     |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_cache`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.60s
[INFO] running `Command { std: "docker" "inspect" "fb8d8d1e3e2a5c5bcef544db64939bd5bd881e7255fc474a1c1664a48ee50a16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb8d8d1e3e2a5c5bcef544db64939bd5bd881e7255fc474a1c1664a48ee50a16", kill_on_drop: false }`
[INFO] [stdout] fb8d8d1e3e2a5c5bcef544db64939bd5bd881e7255fc474a1c1664a48ee50a16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a26d2008c4f08fbfc0348bcf53e6018fc91edf4ec22f55b0adb37f71091e1da7
[INFO] running `Command { std: "docker" "start" "-a" "a26d2008c4f08fbfc0348bcf53e6018fc91edf4ec22f55b0adb37f71091e1da7", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `cache`
[INFO] [stdout]    --> src/lib.rs:764:41
[INFO] [stdout]     |
[INFO] [stdout] 764 |     fn render(&mut self, f: &mut Frame, cache: &mut (), area: Rect) {
[INFO] [stdout]     |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_cache`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mischef v0.1.16 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `cache`
[INFO] [stdout]    --> src/lib.rs:764:41
[INFO] [stdout]     |
[INFO] [stdout] 764 |     fn render(&mut self, f: &mut Frame, cache: &mut (), area: Rect) {
[INFO] [stdout]     |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_cache`
[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 0.26s
[INFO] running `Command { std: "docker" "inspect" "a26d2008c4f08fbfc0348bcf53e6018fc91edf4ec22f55b0adb37f71091e1da7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a26d2008c4f08fbfc0348bcf53e6018fc91edf4ec22f55b0adb37f71091e1da7", kill_on_drop: false }`
[INFO] [stdout] a26d2008c4f08fbfc0348bcf53e6018fc91edf4ec22f55b0adb37f71091e1da7