[INFO] cloning repository https://github.com/ebaser01/rustycom [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ebaser01/rustycom" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Febaser01%2Frustycom", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Febaser01%2Frustycom'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] df7dc113e5627abaedfc365111897f1caba25aae [INFO] checking ebaser01/rustycom against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Febaser01%2Frustycom" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ebaser01/rustycom on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ebaser01/rustycom [INFO] finished tweaking git repo https://github.com/ebaser01/rustycom [INFO] tweaked toml for git repo https://github.com/ebaser01/rustycom written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ebaser01/rustycom 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio-serial v5.4.4 [INFO] [stderr] Downloaded serialport v4.2.1 [INFO] [stderr] Downloaded mio-serial v5.0.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] deec8f27a807cef0033c63b5401f18047731f2a37eb151c030b99feb7d3447c3 [INFO] running `Command { std: "docker" "start" "-a" "deec8f27a807cef0033c63b5401f18047731f2a37eb151c030b99feb7d3447c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "deec8f27a807cef0033c63b5401f18047731f2a37eb151c030b99feb7d3447c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "deec8f27a807cef0033c63b5401f18047731f2a37eb151c030b99feb7d3447c3", kill_on_drop: false }` [INFO] [stdout] deec8f27a807cef0033c63b5401f18047731f2a37eb151c030b99feb7d3447c3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d6b5d1574028410d6b33807e69d1aa2cc4133676d7414441066a356014da7c73 [INFO] running `Command { std: "docker" "start" "-a" "d6b5d1574028410d6b33807e69d1aa2cc4133676d7414441066a356014da7c73", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking log v0.4.19 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Compiling parking_lot_core v0.9.8 [INFO] [stderr] Checking futures-sink v0.3.28 [INFO] [stderr] Compiling futures-task v0.3.28 [INFO] [stderr] Compiling futures-channel v0.3.28 [INFO] [stderr] Compiling rustix v0.38.7 [INFO] [stderr] Checking bitflags v2.3.3 [INFO] [stderr] Checking pin-project-lite v0.2.10 [INFO] [stderr] Checking smallvec v1.11.0 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Checking linux-raw-sys v0.4.5 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking utf8parse v0.2.1 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Compiling signal-hook v0.3.17 [INFO] [stderr] Checking futures-io v0.3.28 [INFO] [stderr] Checking colorchoice v1.0.0 [INFO] [stderr] Checking anstyle-query v1.0.0 [INFO] [stderr] Checking anstyle-parse v0.2.1 [INFO] [stderr] Checking bytes v1.4.0 [INFO] [stderr] Checking anstyle v1.0.1 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking clap_lex v0.5.0 [INFO] [stderr] Compiling heck v0.4.1 [INFO] [stderr] Checking once_cell v1.18.0 [INFO] [stderr] Compiling lock_api v0.4.10 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Compiling memoffset v0.7.1 [INFO] [stderr] Compiling tokio v1.29.1 [INFO] [stderr] Compiling quote v1.0.32 [INFO] [stderr] Compiling syn v2.0.28 [INFO] [stderr] Checking is-terminal v0.4.9 [INFO] [stderr] Checking anstream v0.3.2 [INFO] [stderr] Checking clap_builder v4.3.19 [INFO] [stderr] Checking mio v0.8.8 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking socket2 v0.4.9 [INFO] [stderr] Checking nix v0.26.2 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking signal-hook-mio v0.2.3 [INFO] [stderr] Checking crossterm v0.27.0 [INFO] [stderr] Compiling futures-macro v0.3.28 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stderr] Compiling clap_derive v4.3.12 [INFO] [stderr] Checking serialport v4.2.1 [INFO] [stderr] Checking mio-serial v5.0.5 [INFO] [stderr] Checking clap v4.3.19 [INFO] [stderr] Checking futures-executor v0.3.28 [INFO] [stderr] Checking futures v0.3.28 [INFO] [stderr] Checking tokio-serial v5.4.4 [INFO] [stderr] Checking tokio-util v0.7.8 [INFO] [stderr] Checking rustycom v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | monitor(cli.path, cli.baud_rate).await; [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)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 25 | let _ = monitor(cli.path, cli.baud_rate).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | monitor(cli.path, cli.baud_rate).await; [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)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 25 | let _ = monitor(cli.path, cli.baud_rate).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.91s [INFO] running `Command { std: "docker" "inspect" "d6b5d1574028410d6b33807e69d1aa2cc4133676d7414441066a356014da7c73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d6b5d1574028410d6b33807e69d1aa2cc4133676d7414441066a356014da7c73", kill_on_drop: false }` [INFO] [stdout] d6b5d1574028410d6b33807e69d1aa2cc4133676d7414441066a356014da7c73 [INFO] checking ebaser01/rustycom against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Febaser01%2Frustycom" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ebaser01/rustycom on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ebaser01/rustycom [INFO] finished tweaking git repo https://github.com/ebaser01/rustycom [INFO] tweaked toml for git repo https://github.com/ebaser01/rustycom written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/ebaser01/rustycom 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dc481483654be8edf9bb8226edb3be034e20f55e86695ae8a51e3b6b5a8dde92 [INFO] running `Command { std: "docker" "start" "-a" "dc481483654be8edf9bb8226edb3be034e20f55e86695ae8a51e3b6b5a8dde92", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dc481483654be8edf9bb8226edb3be034e20f55e86695ae8a51e3b6b5a8dde92", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc481483654be8edf9bb8226edb3be034e20f55e86695ae8a51e3b6b5a8dde92", kill_on_drop: false }` [INFO] [stdout] dc481483654be8edf9bb8226edb3be034e20f55e86695ae8a51e3b6b5a8dde92 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9d0bdf77b5edb1354654256d27685ea015f178a97fa2fee146bf1a5abb21074d [INFO] running `Command { std: "docker" "start" "-a" "9d0bdf77b5edb1354654256d27685ea015f178a97fa2fee146bf1a5abb21074d", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking log v0.4.19 [INFO] [stderr] Compiling parking_lot_core v0.9.8 [INFO] [stderr] Compiling futures-task v0.3.28 [INFO] [stderr] Checking futures-sink v0.3.28 [INFO] [stderr] Checking smallvec v1.11.0 [INFO] [stderr] Compiling futures-channel v0.3.28 [INFO] [stderr] Checking pin-project-lite v0.2.10 [INFO] [stderr] Compiling rustix v0.38.7 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking bitflags v2.3.3 [INFO] [stderr] Checking linux-raw-sys v0.4.5 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Compiling signal-hook v0.3.17 [INFO] [stderr] Checking futures-io v0.3.28 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking utf8parse v0.2.1 [INFO] [stderr] Checking bytes v1.4.0 [INFO] [stderr] Checking anstyle-query v1.0.0 [INFO] [stderr] Checking anstyle v1.0.1 [INFO] [stderr] Checking colorchoice v1.0.0 [INFO] [stderr] Checking anstyle-parse v0.2.1 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Compiling heck v0.4.1 [INFO] [stderr] Checking clap_lex v0.5.0 [INFO] [stderr] Checking once_cell v1.18.0 [INFO] [stderr] Compiling lock_api v0.4.10 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Compiling memoffset v0.7.1 [INFO] [stderr] Compiling tokio v1.29.1 [INFO] [stderr] Compiling quote v1.0.32 [INFO] [stderr] Compiling syn v2.0.28 [INFO] [stderr] Checking is-terminal v0.4.9 [INFO] [stderr] Checking anstream v0.3.2 [INFO] [stderr] Checking clap_builder v4.3.19 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking mio v0.8.8 [INFO] [stderr] Checking nix v0.26.2 [INFO] [stderr] Checking socket2 v0.4.9 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking signal-hook-mio v0.2.3 [INFO] [stderr] Checking crossterm v0.27.0 [INFO] [stderr] Compiling futures-macro v0.3.28 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stderr] Compiling clap_derive v4.3.12 [INFO] [stderr] Checking serialport v4.2.1 [INFO] [stderr] Checking mio-serial v5.0.5 [INFO] [stderr] Checking clap v4.3.19 [INFO] [stderr] Checking futures-executor v0.3.28 [INFO] [stderr] Checking futures v0.3.28 [INFO] [stderr] Checking tokio-serial v5.4.4 [INFO] [stderr] Checking tokio-util v0.7.8 [INFO] [stderr] Checking rustycom v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | monitor(cli.path, cli.baud_rate).await; [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)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 25 | let _ = monitor(cli.path, cli.baud_rate).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | monitor(cli.path, cli.baud_rate).await; [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)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 25 | let _ = monitor(cli.path, cli.baud_rate).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.00s [INFO] running `Command { std: "docker" "inspect" "9d0bdf77b5edb1354654256d27685ea015f178a97fa2fee146bf1a5abb21074d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d0bdf77b5edb1354654256d27685ea015f178a97fa2fee146bf1a5abb21074d", kill_on_drop: false }` [INFO] [stdout] 9d0bdf77b5edb1354654256d27685ea015f178a97fa2fee146bf1a5abb21074d