[INFO] fetching crate inputplug 0.4.0... [INFO] checking inputplug-0.4.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate inputplug 0.4.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate inputplug 0.4.0 [INFO] finished tweaking crates.io crate inputplug 0.4.0 [INFO] tweaked toml for crates.io crate inputplug 0.4.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate inputplug 0.4.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate inputplug 0.4.0 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4d017d9e10ecb4e2ebd1ab55f873783b009c89d282e214a85303e0ebe78693b6 [INFO] running `Command { std: "docker" "start" "-a" "4d017d9e10ecb4e2ebd1ab55f873783b009c89d282e214a85303e0ebe78693b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4d017d9e10ecb4e2ebd1ab55f873783b009c89d282e214a85303e0ebe78693b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d017d9e10ecb4e2ebd1ab55f873783b009c89d282e214a85303e0ebe78693b6", kill_on_drop: false }` [INFO] [stdout] 4d017d9e10ecb4e2ebd1ab55f873783b009c89d282e214a85303e0ebe78693b6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 09796c3856edde3353141eeba972643e5fe149a2482709ebda927e159d48dc83 [INFO] running `Command { std: "docker" "start" "-a" "09796c3856edde3353141eeba972643e5fe149a2482709ebda927e159d48dc83", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling anyhow v1.0.42 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling pidfile-rs v0.1.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking gethostname v0.2.1 [INFO] [stderr] Checking nix v0.20.0 [INFO] [stderr] Checking nix v0.22.0 [INFO] [stderr] Compiling thiserror-impl v1.0.26 [INFO] [stderr] Compiling structopt-derive v0.4.15 [INFO] [stderr] Checking x11rb v0.8.1 [INFO] [stderr] Checking thiserror v1.0.26 [INFO] [stderr] Checking structopt v0.3.22 [INFO] [stderr] Checking inputplug v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `conn` [INFO] [stdout] --> src/main.rs:95:26 [INFO] [stdout] | [INFO] [stdout] 95 | fn to_cmdline(&self, conn: &impl RequestConnection) -> Vec { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_conn` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:58:5 [INFO] [stdout] | [INFO] [stdout] 58 | / /// Command prefix to run. [INFO] [stdout] 59 | | #[structopt(short = "c", long)] [INFO] [stdout] 60 | | command: String, [INFO] [stdout] | |___________________^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:188:23 [INFO] [stdout] | [INFO] [stdout] 188 | match DeviceType::try_from(info.type_).unwrap() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `conn` [INFO] [stdout] --> src/main.rs:95:26 [INFO] [stdout] | [INFO] [stdout] 95 | fn to_cmdline(&self, conn: &impl RequestConnection) -> Vec { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_conn` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `inputplug` (bin "inputplug") due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:58:5 [INFO] [stdout] | [INFO] [stdout] 58 | / /// Command prefix to run. [INFO] [stdout] 59 | | #[structopt(short = "c", long)] [INFO] [stdout] 60 | | command: String, [INFO] [stdout] | |___________________^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:188:23 [INFO] [stdout] | [INFO] [stdout] 188 | match DeviceType::try_from(info.type_).unwrap() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `inputplug` (bin "inputplug" test) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "09796c3856edde3353141eeba972643e5fe149a2482709ebda927e159d48dc83", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "09796c3856edde3353141eeba972643e5fe149a2482709ebda927e159d48dc83", kill_on_drop: false }` [INFO] [stdout] 09796c3856edde3353141eeba972643e5fe149a2482709ebda927e159d48dc83