[INFO] cloning repository https://github.com/tinySSB/tiny-ssb-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tinySSB/tiny-ssb-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtinySSB%2Ftiny-ssb-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtinySSB%2Ftiny-ssb-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 52c1637b3679217aca7f212559c721cd9ef6b930
[INFO] checking tinySSB/tiny-ssb-rs against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtinySSB%2Ftiny-ssb-rs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tinySSB/tiny-ssb-rs
[INFO] finished tweaking git repo https://github.com/tinySSB/tiny-ssb-rs
[INFO] tweaked toml for git repo https://github.com/tinySSB/tiny-ssb-rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tinySSB/tiny-ssb-rs on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tinySSB/tiny-ssb-rs 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ddf2f6831817d1d5a9ebc846863345f7a1309573db426af3245052e4559007c5
[INFO] running `Command { std: "docker" "start" "-a" "ddf2f6831817d1d5a9ebc846863345f7a1309573db426af3245052e4559007c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddf2f6831817d1d5a9ebc846863345f7a1309573db426af3245052e4559007c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddf2f6831817d1d5a9ebc846863345f7a1309573db426af3245052e4559007c5", kill_on_drop: false }`
[INFO] [stdout] ddf2f6831817d1d5a9ebc846863345f7a1309573db426af3245052e4559007c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3395785aed73098b41641caa12b2e1bee704bf2e0323a00550203ac1649c45d
[INFO] running `Command { std: "docker" "start" "-a" "b3395785aed73098b41641caa12b2e1bee704bf2e0323a00550203ac1649c45d", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking mem_cmp v0.1.4
[INFO] [stderr]     Checking bipf-rs v0.1.1
[INFO] [stderr]     Checking tiny-ssb-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `tiny-ssb-rs` (lib) due to 1 previous error; 4 warnings emitted
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/lib.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `go_set`
[INFO] [stdout]   --> src/go_set/go_set_claim.rs:14:26
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn encode_go_set(go_set: &GOSet) -> [u8; 105] {
[INFO] [stdout]    |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_go_set`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tiny-ssb-rs` (lib test) due to 1 previous error; 5 warnings emitted
[INFO] [stdout] warning: unused variable: `bytes`
[INFO] [stdout]   --> src/go_set/go_set_claim.rs:17:19
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn decode(bytes: &[u8]) -> Result<Self, Error> {
[INFO] [stdout]    |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `WirePacket` is never used
[INFO] [stdout]  --> src/lib.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | enum WirePacket {
[INFO] [stdout]   |      ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `lowest_feed_id`, `highest_feed_id`, `xor`, and `count` are never read
[INFO] [stdout]   --> src/go_set/go_set_claim.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub struct GOSetClaim {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout]  7 |     lowest_feed_id: FeedId,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]  8 |     highest_feed_id: FeedId,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]  9 |     xor: GOSetXor,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 10 |     count: u8,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<GOSetClaim, Error>
[INFO] [stdout]   --> src/go_set/go_set_claim.rs:17:56
[INFO] [stdout]    |
[INFO] [stdout] 17 |       pub fn decode(bytes: &[u8]) -> Result<Self, Error> {
[INFO] [stdout]    |  ________________________________________________________^
[INFO] [stdout] 18 | |         todo!()
[INFO] [stdout] 19 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `go_set`
[INFO] [stdout]   --> src/go_set/go_set_claim.rs:14:26
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn encode_go_set(go_set: &GOSet) -> [u8; 105] {
[INFO] [stdout]    |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_go_set`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes`
[INFO] [stdout]   --> src/go_set/go_set_claim.rs:17:19
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn decode(bytes: &[u8]) -> Result<Self, Error> {
[INFO] [stdout]    |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `WirePacket` is never used
[INFO] [stdout]  --> src/lib.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | enum WirePacket {
[INFO] [stdout]   |      ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `lowest_feed_id`, `highest_feed_id`, `xor`, and `count` are never read
[INFO] [stdout]   --> src/go_set/go_set_claim.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub struct GOSetClaim {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout]  7 |     lowest_feed_id: FeedId,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]  8 |     highest_feed_id: FeedId,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]  9 |     xor: GOSetXor,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 10 |     count: u8,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<GOSetClaim, Error>
[INFO] [stdout]   --> src/go_set/go_set_claim.rs:17:56
[INFO] [stdout]    |
[INFO] [stdout] 17 |       pub fn decode(bytes: &[u8]) -> Result<Self, Error> {
[INFO] [stdout]    |  ________________________________________________________^
[INFO] [stdout] 18 | |         todo!()
[INFO] [stdout] 19 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b3395785aed73098b41641caa12b2e1bee704bf2e0323a00550203ac1649c45d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3395785aed73098b41641caa12b2e1bee704bf2e0323a00550203ac1649c45d", kill_on_drop: false }`
[INFO] [stdout] b3395785aed73098b41641caa12b2e1bee704bf2e0323a00550203ac1649c45d
