[INFO] cloning repository https://github.com/Ki11erRabbit/caat_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ki11erRabbit/caat_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKi11erRabbit%2Fcaat_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKi11erRabbit%2Fcaat_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f3af16ed302e89aeda8e9c35420090cfe74923eb [INFO] checking Ki11erRabbit/caat_rust against try#47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268 for pr-149058 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKi11erRabbit%2Fcaat_rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Ki11erRabbit/caat_rust [INFO] finished tweaking git repo https://github.com/Ki11erRabbit/caat_rust [INFO] tweaked toml for git repo https://github.com/Ki11erRabbit/caat_rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Ki11erRabbit/caat_rust on toolchain 47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Ki11erRabbit/caat_rust 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" "+47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268" "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] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded futures-lite v2.2.0 [INFO] [stderr] Downloaded concurrent-queue v2.4.0 [INFO] [stderr] Downloaded piper v0.2.1 [INFO] [stderr] Downloaded async-channel v2.2.0 [INFO] [stderr] Downloaded event-listener-strategy v0.4.0 [INFO] [stderr] Downloaded event-listener-strategy v0.5.0 [INFO] [stderr] Downloaded event-listener v5.0.0 [INFO] [stderr] Downloaded event-listener v4.0.3 [INFO] [stderr] Downloaded async-lock v3.3.0 [INFO] [stderr] Downloaded async-task v4.7.0 [INFO] [stderr] Downloaded blocking v1.5.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a3bf5eda68eb412688ee06e91d5e3aa4435f15c54b7af08985fe71c741c64a79 [INFO] running `Command { std: "docker" "start" "-a" "a3bf5eda68eb412688ee06e91d5e3aa4435f15c54b7af08985fe71c741c64a79", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a3bf5eda68eb412688ee06e91d5e3aa4435f15c54b7af08985fe71c741c64a79", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3bf5eda68eb412688ee06e91d5e3aa4435f15c54b7af08985fe71c741c64a79", kill_on_drop: false }` [INFO] [stdout] a3bf5eda68eb412688ee06e91d5e3aa4435f15c54b7af08985fe71c741c64a79 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ee15b421d1154b14591d1a7535aefeff7ef07ffc18db872998690751e2b20f69 [INFO] running `Command { std: "docker" "start" "-a" "ee15b421d1154b14591d1a7535aefeff7ef07ffc18db872998690751e2b20f69", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Checking parking v2.2.0 [INFO] [stderr] Compiling semver v1.0.21 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking fastrand v2.0.1 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Compiling thiserror v1.0.56 [INFO] [stderr] Checking async-task v4.7.0 [INFO] [stderr] Checking futures-lite v2.2.0 [INFO] [stderr] Checking to_method v1.1.0 [INFO] [stderr] Checking intmap v0.7.1 [INFO] [stderr] Checking json v0.12.4 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Checking spinning v0.1.0 [INFO] [stderr] Checking piper v0.2.1 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking concurrent-queue v2.4.0 [INFO] [stderr] Compiling interprocess v1.2.1 [INFO] [stderr] Checking event-listener v5.0.0 [INFO] [stderr] Checking event-listener v4.0.3 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking event-listener-strategy v0.5.0 [INFO] [stderr] Checking event-listener-strategy v0.4.0 [INFO] [stderr] Checking async-channel v2.2.0 [INFO] [stderr] Checking async-lock v3.3.0 [INFO] [stderr] Checking blocking v1.5.1 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Compiling thiserror-impl v1.0.56 [INFO] [stderr] Checking caat_rust v0.3.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:236:17 [INFO] [stdout] | [INFO] [stdout] 236 | write!(f, "\"format\": {}", format); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 236 | let _ = write!(f, "\"format\": {}", format); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:272:17 [INFO] [stdout] | [INFO] [stdout] 272 | write!(f, ", {}", format); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 272 | let _ = write!(f, ", {}", format); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:236:17 [INFO] [stdout] | [INFO] [stdout] 236 | write!(f, "\"format\": {}", format); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 236 | let _ = write!(f, "\"format\": {}", format); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:272:17 [INFO] [stdout] | [INFO] [stdout] 272 | write!(f, ", {}", format); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 272 | let _ = write!(f, ", {}", format); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.94s [INFO] running `Command { std: "docker" "inspect" "ee15b421d1154b14591d1a7535aefeff7ef07ffc18db872998690751e2b20f69", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee15b421d1154b14591d1a7535aefeff7ef07ffc18db872998690751e2b20f69", kill_on_drop: false }` [INFO] [stdout] ee15b421d1154b14591d1a7535aefeff7ef07ffc18db872998690751e2b20f69