[INFO] cloning repository https://github.com/duythien/rust-coinlive
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/duythien/rust-coinlive" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduythien%2Frust-coinlive", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduythien%2Frust-coinlive'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e3ddcd87d53a2b301aa41b442038548c820e6ce1
[INFO] testing duythien/rust-coinlive against beta-2026-04-21 for beta-1.96-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduythien%2Frust-coinlive" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/duythien/rust-coinlive
[INFO] finished tweaking git repo https://github.com/duythien/rust-coinlive
[INFO] tweaked toml for git repo https://github.com/duythien/rust-coinlive written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/duythien/rust-coinlive on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/duythien/rust-coinlive 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" "+beta-2026-04-21" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded is-terminal v0.4.13
[INFO] [stderr]   Downloaded prettytable v0.10.0
[INFO] [stderr]   Downloaded colored_json v5.0.0
[INFO] [stderr]   Downloaded cc v1.2.0
[INFO] [stderr]   Downloaded rustls v0.23.16
[INFO] [stderr]   Downloaded rustix v0.38.40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e19989dd9f2a21d393becbffcaacca28c734c73bb27ecd8f2921c358c84a07b3
[INFO] running `Command { std: "docker" "start" "-a" "e19989dd9f2a21d393becbffcaacca28c734c73bb27ecd8f2921c358c84a07b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e19989dd9f2a21d393becbffcaacca28c734c73bb27ecd8f2921c358c84a07b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e19989dd9f2a21d393becbffcaacca28c734c73bb27ecd8f2921c358c84a07b3", kill_on_drop: false }`
[INFO] [stdout] e19989dd9f2a21d393becbffcaacca28c734c73bb27ecd8f2921c358c84a07b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27d117169d49a6d4297326ec50fc1f51ff2a53e695c36b493307b3883b2a92b4
[INFO] running `Command { std: "docker" "start" "-a" "27d117169d49a6d4297326ec50fc1f51ff2a53e695c36b493307b3883b2a92b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.162
[INFO] [stderr]    Compiling bytes v1.8.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.15
[INFO] [stderr]    Compiling cc v1.2.0
[INFO] [stderr]    Compiling serde v1.0.214
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling openssl v0.10.68
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]    Compiling indexmap v2.6.0
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling serde_json v1.0.132
[INFO] [stderr]    Compiling anstyle-parse v0.2.6
[INFO] [stderr]    Compiling anstyle-query v1.1.2
[INFO] [stderr]    Compiling colorchoice v1.0.3
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling rustls-pki-types v1.10.0
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling sync_wrapper v1.0.1
[INFO] [stderr]    Compiling encode_unicode v1.0.0
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling ipnet v2.10.1
[INFO] [stderr]    Compiling rustls-pemfile v2.2.0
[INFO] [stderr]    Compiling clap_builder v4.5.20
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling http v1.1.0
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling mio v1.0.2
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling is-terminal v0.4.13
[INFO] [stderr]    Compiling openssl-sys v0.9.104
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling http-body-util v0.1.2
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling zerofrom-derive v0.1.4
[INFO] [stderr]    Compiling yoke-derive v0.7.4
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.214
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]    Compiling tokio v1.41.1
[INFO] [stderr]    Compiling zerofrom v0.1.4
[INFO] [stderr]    Compiling yoke v0.7.4
[INFO] [stderr]    Compiling zerovec v0.10.4
[INFO] [stderr]    Compiling clap v4.5.20
[INFO] [stderr]    Compiling tinystr v0.7.6
[INFO] [stderr]    Compiling icu_collections v1.5.0
[INFO] [stderr]    Compiling icu_locid v1.5.0
[INFO] [stderr]    Compiling icu_provider v1.5.0
[INFO] [stderr]    Compiling icu_locid_transform v1.5.0
[INFO] [stderr]    Compiling icu_properties v1.5.1
[INFO] [stderr]    Compiling tokio-util v0.7.12
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling h2 v0.4.6
[INFO] [stderr]    Compiling prettytable v0.10.0
[INFO] [stderr]    Compiling colored_json v5.0.0
[INFO] [stderr]    Compiling icu_normalizer v1.5.0
[INFO] [stderr]    Compiling idna_adapter v1.2.0
[INFO] [stderr]    Compiling idna v1.0.3
[INFO] [stderr]    Compiling url v2.5.3
[INFO] [stderr]    Compiling hyper v1.5.0
[INFO] [stderr]    Compiling hyper-util v0.1.10
[INFO] [stderr]    Compiling hyper-tls v0.6.0
[INFO] [stderr]    Compiling reqwest v0.12.9
[INFO] [stderr]    Compiling rust_coinlive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let mut request_builder = client.request(method.clone(), &url);
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `url`
[INFO] [stdout]   --> src/main.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 |     url: String,
[INFO] [stdout]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_url`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/main.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let a = 1;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.29s
[INFO] running `Command { std: "docker" "inspect" "27d117169d49a6d4297326ec50fc1f51ff2a53e695c36b493307b3883b2a92b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27d117169d49a6d4297326ec50fc1f51ff2a53e695c36b493307b3883b2a92b4", kill_on_drop: false }`
[INFO] [stdout] 27d117169d49a6d4297326ec50fc1f51ff2a53e695c36b493307b3883b2a92b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05fb772132c7f60984bfe0749cd909dc908998dfc9f2e3838742b3ebf0d32d68
[INFO] running `Command { std: "docker" "start" "-a" "05fb772132c7f60984bfe0749cd909dc908998dfc9f2e3838742b3ebf0d32d68", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_coinlive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let mut request_builder = client.request(method.clone(), &url);
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `url`
[INFO] [stdout]   --> src/main.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 |     url: String,
[INFO] [stdout]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_url`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/main.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let a = 1;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "05fb772132c7f60984bfe0749cd909dc908998dfc9f2e3838742b3ebf0d32d68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05fb772132c7f60984bfe0749cd909dc908998dfc9f2e3838742b3ebf0d32d68", kill_on_drop: false }`
[INFO] [stdout] 05fb772132c7f60984bfe0749cd909dc908998dfc9f2e3838742b3ebf0d32d68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 197d80a1aa28b88ecba0bd3bfc81971b69d1a3de0e56bee859cf17bd254ffa28
[INFO] running `Command { std: "docker" "start" "-a" "197d80a1aa28b88ecba0bd3bfc81971b69d1a3de0e56bee859cf17bd254ffa28", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:75:9
[INFO] [stderr]    |
[INFO] [stderr] 75 |     let mut request_builder = client.request(method.clone(), &url);
[INFO] [stderr]    |         ----^^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `url`
[INFO] [stderr]   --> src/main.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     url: String,
[INFO] [stderr]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_url`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/main.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |     let a = 1;
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_coinlive` (bin "rust_coinlive" test) generated 3 warnings (run `cargo fix --bin "rust_coinlive" -p rust_coinlive --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_coinlive-8c10403fe0666697)
[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" "197d80a1aa28b88ecba0bd3bfc81971b69d1a3de0e56bee859cf17bd254ffa28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "197d80a1aa28b88ecba0bd3bfc81971b69d1a3de0e56bee859cf17bd254ffa28", kill_on_drop: false }`
[INFO] [stdout] 197d80a1aa28b88ecba0bd3bfc81971b69d1a3de0e56bee859cf17bd254ffa28