[INFO] cloning repository https://github.com/rhamzthev/rich_text
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rhamzthev/rich_text" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frhamzthev%2Frich_text", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frhamzthev%2Frich_text'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4a5baf88517e9cad45944fef2445956c10275aea
[INFO] checking rhamzthev/rich_text against try#802c9b5f98c16ec9d24cdfd517f740f1f3df0e29 for pr-137728
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frhamzthev%2Frich_text" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rhamzthev/rich_text on toolchain 802c9b5f98c16ec9d24cdfd517f740f1f3df0e29
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rhamzthev/rich_text
[INFO] finished tweaking git repo https://github.com/rhamzthev/rich_text
[INFO] tweaked toml for git repo https://github.com/rhamzthev/rich_text written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rhamzthev/rich_text 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" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae0eb663928ae31e45c62a10e8a7968ab11636dd1da9c0d60f59e617d9ba44d0
[INFO] running `Command { std: "docker" "start" "-a" "ae0eb663928ae31e45c62a10e8a7968ab11636dd1da9c0d60f59e617d9ba44d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae0eb663928ae31e45c62a10e8a7968ab11636dd1da9c0d60f59e617d9ba44d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae0eb663928ae31e45c62a10e8a7968ab11636dd1da9c0d60f59e617d9ba44d0", kill_on_drop: false }`
[INFO] [stdout] ae0eb663928ae31e45c62a10e8a7968ab11636dd1da9c0d60f59e617d9ba44d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9b764ed3c47be75cf2034d349001cd445e1ffdbe54ad2835909f8b3a87ed5b9
[INFO] running `Command { std: "docker" "start" "-a" "b9b764ed3c47be75cf2034d349001cd445e1ffdbe54ad2835909f8b3a87ed5b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling serde_json v1.0.138
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking itoa v1.0.14
[INFO] [stderr]     Checking ryu v1.0.19
[INFO] [stderr]     Checking rich_text v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `platform_id`
[INFO] [stdout]    --> src/main.rs:272:9
[INFO] [stdout]     |
[INFO] [stdout] 272 |     let platform_id = to_u16(bytes, encoding_offset);
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_platform_id`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `encoding_id`
[INFO] [stdout]    --> src/main.rs:273:9
[INFO] [stdout]     |
[INFO] [stdout] 273 |     let encoding_id = to_u16(bytes, encoding_offset + SIXTEEN_BIT);
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_encoding_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_i32` is never used
[INFO] [stdout]    --> src/main.rs:189:4
[INFO] [stdout]     |
[INFO] [stdout] 189 | fn to_i32(bytes: &Vec<u8>, index: usize) -> i32 {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x`, `y`, and `on_curve` are never read
[INFO] [stdout]    --> src/main.rs:321:5
[INFO] [stdout]     |
[INFO] [stdout] 320 | struct Point {
[INFO] [stdout]     |        ----- fields in this struct
[INFO] [stdout] 321 |     x: i16,
[INFO] [stdout]     |     ^
[INFO] [stdout] 322 |     y: i16,
[INFO] [stdout]     |     ^
[INFO] [stdout] 323 |     on_curve: bool,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `platform_id`
[INFO] [stdout]    --> src/main.rs:272:9
[INFO] [stdout]     |
[INFO] [stdout] 272 |     let platform_id = to_u16(bytes, encoding_offset);
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_platform_id`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `encoding_id`
[INFO] [stdout]    --> src/main.rs:273:9
[INFO] [stdout]     |
[INFO] [stdout] 273 |     let encoding_id = to_u16(bytes, encoding_offset + SIXTEEN_BIT);
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_encoding_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_i32` is never used
[INFO] [stdout]    --> src/main.rs:189:4
[INFO] [stdout]     |
[INFO] [stdout] 189 | fn to_i32(bytes: &Vec<u8>, index: usize) -> i32 {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x`, `y`, and `on_curve` are never read
[INFO] [stdout]    --> src/main.rs:321:5
[INFO] [stdout]     |
[INFO] [stdout] 320 | struct Point {
[INFO] [stdout]     |        ----- fields in this struct
[INFO] [stdout] 321 |     x: i16,
[INFO] [stdout]     |     ^
[INFO] [stdout] 322 |     y: i16,
[INFO] [stdout]     |     ^
[INFO] [stdout] 323 |     on_curve: bool,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.93s
[INFO] running `Command { std: "docker" "inspect" "b9b764ed3c47be75cf2034d349001cd445e1ffdbe54ad2835909f8b3a87ed5b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9b764ed3c47be75cf2034d349001cd445e1ffdbe54ad2835909f8b3a87ed5b9", kill_on_drop: false }`
[INFO] [stdout] b9b764ed3c47be75cf2034d349001cd445e1ffdbe54ad2835909f8b3a87ed5b9