[INFO] cloning repository https://github.com/jack-greenberg/lantenna [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jack-greenberg/lantenna" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjack-greenberg%2Flantenna", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjack-greenberg%2Flantenna'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ef28971abfb473f475a8fe3dd57cfda80074ca18 [INFO] checking jack-greenberg/lantenna against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjack-greenberg%2Flantenna" "/workspace/builds/worker-43/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-43/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jack-greenberg/lantenna on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jack-greenberg/lantenna [INFO] finished tweaking git repo https://github.com/jack-greenberg/lantenna [INFO] tweaked toml for git repo https://github.com/jack-greenberg/lantenna written to /workspace/builds/worker-43/source/Cargo.toml [INFO] crate git repo https://github.com/jack-greenberg/lantenna already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 81823f40b7256389d49c66764eaf29b1b93b4522d797ce697beb23db0db7eb64 [INFO] running `Command { std: "docker" "start" "-a" "81823f40b7256389d49c66764eaf29b1b93b4522d797ce697beb23db0db7eb64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "81823f40b7256389d49c66764eaf29b1b93b4522d797ce697beb23db0db7eb64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81823f40b7256389d49c66764eaf29b1b93b4522d797ce697beb23db0db7eb64", kill_on_drop: false }` [INFO] [stdout] 81823f40b7256389d49c66764eaf29b1b93b4522d797ce697beb23db0db7eb64 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 420899e82884496bb1acc7c3da3598ad90dea7ed63bb653b3734aa936af5ecbe [INFO] running `Command { std: "docker" "start" "-a" "420899e82884496bb1acc7c3da3598ad90dea7ed63bb653b3734aa936af5ecbe", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling lexical-core v0.7.6 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Compiling serde_json v1.0.70 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking serde v0.8.23 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking rust-ini v0.13.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking textwrap v0.14.2 [INFO] [stderr] Checking toml v0.5.8 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking os_str_bytes v4.2.0 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.5 [INFO] [stderr] Checking serde-hjson v0.9.1 [INFO] [stderr] Checking config v0.11.0 [INFO] [stderr] Checking clap v3.0.0-beta.5 [INFO] [stderr] Checking thiserror v1.0.30 [INFO] [stderr] Checking lantenna v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variant is never constructed: `SendError` [INFO] [stdout] --> src/lantenna.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | SendError(String), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `EncodingError` [INFO] [stdout] --> src/lantenna.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | EncodingError, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | / match args.value_of("INPUT") { [INFO] [stdout] 31 | | Some(file) => send(&socket, &target, std::fs::read(file).unwrap()), [INFO] [stdout] 32 | | None => { [INFO] [stdout] 33 | | let mut v = Vec::new(); [INFO] [stdout] ... | [INFO] [stdout] 36 | | } [INFO] [stdout] 37 | | }; [INFO] [stdout] | |______________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `bit_time` should have an upper case name [INFO] [stdout] --> src/lantenna.rs:7:7 [INFO] [stdout] | [INFO] [stdout] 7 | const bit_time: u64 = 100; [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to upper case: `BIT_TIME` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lantenna.rs:43:21 [INFO] [stdout] | [INFO] [stdout] 43 | transmit_0(socket, receiver); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lantenna.rs:46:21 [INFO] [stdout] | [INFO] [stdout] 46 | transmit_1(socket, receiver); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `SendError` [INFO] [stdout] --> src/lantenna.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | SendError(String), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `EncodingError` [INFO] [stdout] --> src/lantenna.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | EncodingError, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | / match args.value_of("INPUT") { [INFO] [stdout] 31 | | Some(file) => send(&socket, &target, std::fs::read(file).unwrap()), [INFO] [stdout] 32 | | None => { [INFO] [stdout] 33 | | let mut v = Vec::new(); [INFO] [stdout] ... | [INFO] [stdout] 36 | | } [INFO] [stdout] 37 | | }; [INFO] [stdout] | |______________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `bit_time` should have an upper case name [INFO] [stdout] --> src/lantenna.rs:7:7 [INFO] [stdout] | [INFO] [stdout] 7 | const bit_time: u64 = 100; [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to upper case: `BIT_TIME` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lantenna.rs:43:21 [INFO] [stdout] | [INFO] [stdout] 43 | transmit_0(socket, receiver); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lantenna.rs:46:21 [INFO] [stdout] | [INFO] [stdout] 46 | transmit_1(socket, receiver); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 41s [INFO] running `Command { std: "docker" "inspect" "420899e82884496bb1acc7c3da3598ad90dea7ed63bb653b3734aa936af5ecbe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "420899e82884496bb1acc7c3da3598ad90dea7ed63bb653b3734aa936af5ecbe", kill_on_drop: false }` [INFO] [stdout] 420899e82884496bb1acc7c3da3598ad90dea7ed63bb653b3734aa936af5ecbe