[INFO] cloning repository https://github.com/scratchyone/matrix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scratchyone/matrix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscratchyone%2Fmatrix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscratchyone%2Fmatrix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 456e6f7760dee638bffccc12e4cd14f493bf3d9b
[INFO] testing scratchyone/matrix against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscratchyone%2Fmatrix" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scratchyone/matrix on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/scratchyone/matrix
[INFO] finished tweaking git repo https://github.com/scratchyone/matrix
[INFO] tweaked toml for git repo https://github.com/scratchyone/matrix written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/scratchyone/matrix already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d39b3f9f52324b35aac89dc3ff3a069538648bb25d8e777a86040acd49e2b2f4
[INFO] running `Command { std: "docker" "start" "-a" "d39b3f9f52324b35aac89dc3ff3a069538648bb25d8e777a86040acd49e2b2f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d39b3f9f52324b35aac89dc3ff3a069538648bb25d8e777a86040acd49e2b2f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d39b3f9f52324b35aac89dc3ff3a069538648bb25d8e777a86040acd49e2b2f4", kill_on_drop: false }`
[INFO] [stdout] d39b3f9f52324b35aac89dc3ff3a069538648bb25d8e777a86040acd49e2b2f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6229f3d6c63c1fec3638f86e026f319884584164cf852f5c7bd1a19dca65129
[INFO] running `Command { std: "docker" "start" "-a" "e6229f3d6c63c1fec3638f86e026f319884584164cf852f5c7bd1a19dca65129", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling running-average v0.1.0
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling mio v0.7.7
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling signal-hook v0.1.17
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling crossterm v0.19.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling palette v0.5.0
[INFO] [stderr]    Compiling palette_derive v0.5.0
[INFO] [stderr]    Compiling matrix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Clear`, `execute`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     execute, queue,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 4 |     style::{Color, Print, ResetColor, SetBackgroundColor, SetForegroundColor},
[INFO] [stdout] 5 |     terminal::{self, Clear},
[INFO] [stdout]   |                      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FromColor`, `IntoColor`
[INFO] [stdout]  --> src/main.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | use palette::{FromColor, Gradient, Hsv, IntoColor, LinSrgb};
[INFO] [stdout]   |               ^^^^^^^^^                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prelude::ThreadRng`
[INFO] [stdout]   --> src/main.rs:11:41
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rand::{distributions::Alphanumeric, prelude::ThreadRng};
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `iter`, `thread`
[INFO] [stdout]   --> src/main.rs:13:45
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::{collections::HashMap, io::Stdout, iter, thread};
[INFO] [stdout]    |                                             ^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:264:5
[INFO] [stdout]     |
[INFO] [stdout] 168 | /     loop {
[INFO] [stdout] 169 | |         let frame_time_ns = last_frame.elapsed().as_nanos();
[INFO] [stdout] 170 | |         let frame_time_ms = last_frame.elapsed().as_millis();
[INFO] [stdout] 171 | |
[INFO] [stdout] ...   |
[INFO] [stdout] 262 | |         }
[INFO] [stdout] 263 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 264 |       Ok(())
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]   --> src/main.rs:95:26
[INFO] [stdout]    |
[INFO] [stdout] 95 |             for ((x, y), item) in &self.terminal {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.43s
[INFO] running `Command { std: "docker" "inspect" "e6229f3d6c63c1fec3638f86e026f319884584164cf852f5c7bd1a19dca65129", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6229f3d6c63c1fec3638f86e026f319884584164cf852f5c7bd1a19dca65129", kill_on_drop: false }`
[INFO] [stdout] e6229f3d6c63c1fec3638f86e026f319884584164cf852f5c7bd1a19dca65129
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ead960a50886ce5a45cd4012ce618fbf8a4ffe8c102fdceda0a3290f38e681d3
[INFO] running `Command { std: "docker" "start" "-a" "ead960a50886ce5a45cd4012ce618fbf8a4ffe8c102fdceda0a3290f38e681d3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling matrix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Clear`, `execute`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     execute, queue,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 4 |     style::{Color, Print, ResetColor, SetBackgroundColor, SetForegroundColor},
[INFO] [stdout] 5 |     terminal::{self, Clear},
[INFO] [stdout]   |                      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FromColor`, `IntoColor`
[INFO] [stdout]  --> src/main.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | use palette::{FromColor, Gradient, Hsv, IntoColor, LinSrgb};
[INFO] [stdout]   |               ^^^^^^^^^                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prelude::ThreadRng`
[INFO] [stdout]   --> src/main.rs:11:41
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rand::{distributions::Alphanumeric, prelude::ThreadRng};
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `iter`, `thread`
[INFO] [stdout]   --> src/main.rs:13:45
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::{collections::HashMap, io::Stdout, iter, thread};
[INFO] [stdout]    |                                             ^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:264:5
[INFO] [stdout]     |
[INFO] [stdout] 168 | /     loop {
[INFO] [stdout] 169 | |         let frame_time_ns = last_frame.elapsed().as_nanos();
[INFO] [stdout] 170 | |         let frame_time_ms = last_frame.elapsed().as_millis();
[INFO] [stdout] 171 | |
[INFO] [stdout] ...   |
[INFO] [stdout] 262 | |         }
[INFO] [stdout] 263 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 264 |       Ok(())
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]   --> src/main.rs:95:26
[INFO] [stdout]    |
[INFO] [stdout] 95 |             for ((x, y), item) in &self.terminal {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.68s
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ead960a50886ce5a45cd4012ce618fbf8a4ffe8c102fdceda0a3290f38e681d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ead960a50886ce5a45cd4012ce618fbf8a4ffe8c102fdceda0a3290f38e681d3", kill_on_drop: false }`
[INFO] [stdout] ead960a50886ce5a45cd4012ce618fbf8a4ffe8c102fdceda0a3290f38e681d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] be07d4e280e936644330e400f1430c9a9cb334f401800341ff892391b22d1745
[INFO] running `Command { std: "docker" "start" "-a" "be07d4e280e936644330e400f1430c9a9cb334f401800341ff892391b22d1745", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused imports: `Clear`, `execute`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     execute, queue,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 4 |     style::{Color, Print, ResetColor, SetBackgroundColor, SetForegroundColor},
[INFO] [stderr] 5 |     terminal::{self, Clear},
[INFO] [stderr]   |                      ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `FromColor`, `IntoColor`
[INFO] [stderr]  --> src/main.rs:8:15
[INFO] [stderr]   |
[INFO] [stderr] 8 | use palette::{FromColor, Gradient, Hsv, IntoColor, LinSrgb};
[INFO] [stderr]   |               ^^^^^^^^^                 ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `prelude::ThreadRng`
[INFO] [stderr]   --> src/main.rs:11:41
[INFO] [stderr]    |
[INFO] [stderr] 11 | use rand::{distributions::Alphanumeric, prelude::ThreadRng};
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `iter`, `thread`
[INFO] [stderr]   --> src/main.rs:13:45
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::{collections::HashMap, io::Stdout, iter, thread};
[INFO] [stderr]    |                                             ^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/main.rs:264:5
[INFO] [stderr]     |
[INFO] [stderr] 168 | /     loop {
[INFO] [stderr] 169 | |         let frame_time_ns = last_frame.elapsed().as_nanos();
[INFO] [stderr] 170 | |         let frame_time_ms = last_frame.elapsed().as_millis();
[INFO] [stderr] 171 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 262 | |         }
[INFO] [stderr] 263 | |     }
[INFO] [stderr]     | |_____- any code following this expression is unreachable
[INFO] [stderr] 264 |       Ok(())
[INFO] [stderr]     |       ^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `item`
[INFO] [stderr]   --> src/main.rs:95:26
[INFO] [stderr]    |
[INFO] [stderr] 95 |             for ((x, y), item) in &self.terminal {
[INFO] [stderr]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `matrix` (bin "matrix" test) generated 6 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/matrix-dc926cf1c6b8e2f0)
[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" "be07d4e280e936644330e400f1430c9a9cb334f401800341ff892391b22d1745", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be07d4e280e936644330e400f1430c9a9cb334f401800341ff892391b22d1745", kill_on_drop: false }`
[INFO] [stdout] be07d4e280e936644330e400f1430c9a9cb334f401800341ff892391b22d1745