[INFO] fetching crate argopt 0.3.0... [INFO] checking argopt-0.3.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate argopt 0.3.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate argopt 0.3.0 [INFO] finished tweaking crates.io crate argopt 0.3.0 [INFO] tweaked toml for crates.io crate argopt 0.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate argopt 0.3.0 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 argopt 0.3.0 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] 922e16890a6fe56074e427b45886f2a68d2138ded1c0529364ecf8cc78c0f2cf [INFO] running `Command { std: "docker" "start" "-a" "922e16890a6fe56074e427b45886f2a68d2138ded1c0529364ecf8cc78c0f2cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "922e16890a6fe56074e427b45886f2a68d2138ded1c0529364ecf8cc78c0f2cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "922e16890a6fe56074e427b45886f2a68d2138ded1c0529364ecf8cc78c0f2cf", kill_on_drop: false }` [INFO] [stdout] 922e16890a6fe56074e427b45886f2a68d2138ded1c0529364ecf8cc78c0f2cf [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] 2459898bcfb39363ae2bbdf721652a3287a5d3abea1928ee36c5a11d1c4a34fb [INFO] running `Command { std: "docker" "start" "-a" "2459898bcfb39363ae2bbdf721652a3287a5d3abea1928ee36c5a11d1c4a34fb", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.117 [INFO] [stderr] Compiling convert_case v0.5.0 [INFO] [stderr] Compiling darling_core v0.13.1 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Checking once_cell v1.9.0 [INFO] [stderr] Compiling clap_derive v3.0.14 [INFO] [stderr] Checking parking_lot_core v0.8.5 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking tokio v1.16.1 [INFO] [stderr] Checking clap v3.0.14 [INFO] [stderr] Compiling darling_macro v0.13.1 [INFO] [stderr] Compiling darling v0.13.1 [INFO] [stderr] Compiling argopt-impl v0.3.0 [INFO] [stderr] Checking argopt v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> examples/attr.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | / /// Name of the person to greet [INFO] [stdout] 12 | | #[opt(short, long)] [INFO] [stdout] 13 | | name: String, [INFO] [stdout] | |________________^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `argopt` (example "attr") due to 1 previous error [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> examples/structopt-example.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | / /// Output file [INFO] [stdout] 24 | | #[opt(short, long)] [INFO] [stdout] 25 | | output: PathBuf, [INFO] [stdout] | |___________________^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [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] --> examples/structopt-example.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | / /// admin_level to consider [INFO] [stdout] 34 | | #[opt(short, long)] [INFO] [stdout] 35 | | level: Vec, [INFO] [stdout] | |______________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> examples/structopt-example.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | / /// Files to process [INFO] [stdout] 38 | | #[opt(name = "FILE")] [INFO] [stdout] 39 | | files: Vec, [INFO] [stdout] | |_______________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `argopt` (example "structopt-example") due to 3 previous errors [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> examples/subcmd.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | / /// greeting message [INFO] [stdout] 7 | | #[opt(short, long, default_value = "Hello")] [INFO] [stdout] 8 | | greet: 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] --> examples/subcmd.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | / /// Your name [INFO] [stdout] 13 | | #[opt(name = "NAME")] [INFO] [stdout] 14 | | name: String, [INFO] [stdout] | |________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> examples/subcmd.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | / /// host name [INFO] [stdout] 29 | | #[opt(long, default_value = "localhost")] [INFO] [stdout] 30 | | host: String, [INFO] [stdout] | |________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> examples/subcmd.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | / /// output filename [INFO] [stdout] 46 | | #[opt(short, long, default_value = "stdout")] [INFO] [stdout] 47 | | output: String, [INFO] [stdout] | |______________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> examples/subcmd.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | / /// input filename [INFO] [stdout] 49 | | #[opt(short = 'c', default_value = "stdin")] [INFO] [stdout] 50 | | input: String, [INFO] [stdout] | |_____________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> examples/subcmd.rs:51:9 [INFO] [stdout] | [INFO] [stdout] 51 | / /// library directory [INFO] [stdout] 52 | | #[opt(short = 'L', long)] [INFO] [stdout] 53 | | libdir: PathBuf, [INFO] [stdout] | |_______________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `argopt` (example "subcmd") due to 6 previous errors [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> examples/simple.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | / /// greeting message [INFO] [stdout] 5 | | #[opt(short, long, default_value = "Hello")] [INFO] [stdout] 6 | | message: 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] --> examples/simple.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | / /// your name [INFO] [stdout] 8 | | name: String, [INFO] [stdout] | |________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `argopt` (example "simple") due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "2459898bcfb39363ae2bbdf721652a3287a5d3abea1928ee36c5a11d1c4a34fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2459898bcfb39363ae2bbdf721652a3287a5d3abea1928ee36c5a11d1c4a34fb", kill_on_drop: false }` [INFO] [stdout] 2459898bcfb39363ae2bbdf721652a3287a5d3abea1928ee36c5a11d1c4a34fb