[INFO] cloning repository https://github.com/shunte88/rddown
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shunte88/rddown" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshunte88%2Frddown", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshunte88%2Frddown'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8df656ea1e9303553867474b1cb41b9078e3c734
[INFO] checking shunte88/rddown against master#377656d3dd3f9c23a9c8713e163f4365a5261a84 for pr-146470-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshunte88%2Frddown" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/shunte88/rddown
[INFO] finished tweaking git repo https://github.com/shunte88/rddown
[INFO] tweaked toml for git repo https://github.com/shunte88/rddown written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/shunte88/rddown on toolchain 377656d3dd3f9c23a9c8713e163f4365a5261a84
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/shunte88/rddown 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" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-compression v0.4.31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7d59fe1775e2108ca92d2cc893bd8ebecd4fcdca0035a114b26daf771845681
[INFO] running `Command { std: "docker" "start" "-a" "a7d59fe1775e2108ca92d2cc893bd8ebecd4fcdca0035a114b26daf771845681", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7d59fe1775e2108ca92d2cc893bd8ebecd4fcdca0035a114b26daf771845681", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7d59fe1775e2108ca92d2cc893bd8ebecd4fcdca0035a114b26daf771845681", kill_on_drop: false }`
[INFO] [stdout] a7d59fe1775e2108ca92d2cc893bd8ebecd4fcdca0035a114b26daf771845681
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a95338aa6de1f339c61824e6b50ceba345407be1bcef55219b908a312bf5482
[INFO] running `Command { std: "docker" "start" "-a" "8a95338aa6de1f339c61824e6b50ceba345407be1bcef55219b908a312bf5482", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]     Checking bitflags v2.9.4
[INFO] [stderr]    Compiling openssl-sys v0.9.110
[INFO] [stderr]    Compiling openssl v0.10.74
[INFO] [stderr]     Checking mio v1.1.0
[INFO] [stderr]     Checking socket2 v0.6.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking flate2 v1.1.4
[INFO] [stderr]     Checking indexmap v2.12.0
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]     Checking linux-raw-sys v0.11.0
[INFO] [stderr]     Checking form_urlencoded v1.2.2
[INFO] [stderr]     Checking compression-core v0.4.29
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking byteorder-lite v0.1.0
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[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking winnow v0.7.13
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[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling tokio-macros v2.6.0
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[INFO] [stderr]    Compiling serde_derive v1.0.228
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[INFO] [stderr]     Checking icu_collections v2.0.0
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[INFO] [stderr]     Checking h2 v0.4.12
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[INFO] [stderr]     Checking rddown v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:144:40
[INFO] [stdout]     |
[INFO] [stdout] 144 | ...                   if let Err(e) = tx.try_send(candidate.clone()) {
[INFO] [stdout]     |                                  ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:144:40
[INFO] [stdout]     |
[INFO] [stdout] 144 | ...                   if let Err(e) = tx.try_send(candidate.clone()) {
[INFO] [stdout]     |                                  ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dedupe` is never constructed
[INFO] [stdout]    --> src/main.rs:348:8
[INFO] [stdout]     |
[INFO] [stdout] 348 | struct Dedupe {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `insert_or_seen` are never used
[INFO] [stdout]    --> src/main.rs:354:8
[INFO] [stdout]     |
[INFO] [stdout] 353 | impl Dedupe {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] 354 |     fn new(cap: usize) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 357 |     fn insert_or_seen(&mut self, s: &str) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dedupe` is never constructed
[INFO] [stdout]    --> src/main.rs:348:8
[INFO] [stdout]     |
[INFO] [stdout] 348 | struct Dedupe {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `insert_or_seen` are never used
[INFO] [stdout]    --> src/main.rs:354:8
[INFO] [stdout]     |
[INFO] [stdout] 353 | impl Dedupe {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] 354 |     fn new(cap: usize) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 357 |     fn insert_or_seen(&mut self, s: &str) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.48s
[INFO] running `Command { std: "docker" "inspect" "8a95338aa6de1f339c61824e6b50ceba345407be1bcef55219b908a312bf5482", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a95338aa6de1f339c61824e6b50ceba345407be1bcef55219b908a312bf5482", kill_on_drop: false }`
[INFO] [stdout] 8a95338aa6de1f339c61824e6b50ceba345407be1bcef55219b908a312bf5482