[INFO] fetching crate yargs 0.1.1... [INFO] checking yargs-0.1.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate yargs 0.1.1 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate yargs 0.1.1 [INFO] finished tweaking crates.io crate yargs 0.1.1 [INFO] tweaked toml for crates.io crate yargs 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate yargs 0.1.1 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 yargs 0.1.1 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1b8eb8bb2046b1b24e4a67d73a7ce03bbcb0545eea28b33afba3fbb0a804f96d [INFO] running `Command { std: "docker" "start" "-a" "1b8eb8bb2046b1b24e4a67d73a7ce03bbcb0545eea28b33afba3fbb0a804f96d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1b8eb8bb2046b1b24e4a67d73a7ce03bbcb0545eea28b33afba3fbb0a804f96d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1b8eb8bb2046b1b24e4a67d73a7ce03bbcb0545eea28b33afba3fbb0a804f96d", kill_on_drop: false }` [INFO] [stdout] 1b8eb8bb2046b1b24e4a67d73a7ce03bbcb0545eea28b33afba3fbb0a804f96d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b8522369a6fda351e0f0c5e0d31e432bfd493d225bb5ead9b2ac1a92c41456de [INFO] running `Command { std: "docker" "start" "-a" "b8522369a6fda351e0f0c5e0d31e432bfd493d225bb5ead9b2ac1a92c41456de", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling libc v0.2.97 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Checking ansi_term v0.11.0 [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 atty v0.2.14 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Checking structopt v0.3.21 [INFO] [stderr] Checking yargs v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | / /// read file instead of stdin [INFO] [stdout] 12 | | #[structopt(short = "a", long = "args")] [INFO] [stdout] 13 | | pub args: Option, [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/cli.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | / /// input substitution pattern [INFO] [stdout] 40 | | #[structopt(short = "P", long = "pattern", default_value = "%")] [INFO] [stdout] 41 | | pub pattern: String, [INFO] [stdout] | |_______________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 43 | / /// Command pattern to run (if no pattern is specified, the end is implied) [INFO] [stdout] 44 | | pub command: Vec, [INFO] [stdout] | |____________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/source.rs:22:19 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn buffer(&mut self) -> SourceBuffer { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 22 | pub fn buffer(&mut self) -> SourceBuffer<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `yargs` (bin "yargs" test) due to 3 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/cli.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | / /// read file instead of stdin [INFO] [stdout] 12 | | #[structopt(short = "a", long = "args")] [INFO] [stdout] 13 | | pub args: Option, [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/cli.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | / /// input substitution pattern [INFO] [stdout] 40 | | #[structopt(short = "P", long = "pattern", default_value = "%")] [INFO] [stdout] 41 | | pub pattern: String, [INFO] [stdout] | |_______________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 43 | / /// Command pattern to run (if no pattern is specified, the end is implied) [INFO] [stdout] 44 | | pub command: Vec, [INFO] [stdout] | |____________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/source.rs:22:19 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn buffer(&mut self) -> SourceBuffer { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 22 | pub fn buffer(&mut self) -> SourceBuffer<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `yargs` (bin "yargs") due to 3 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "b8522369a6fda351e0f0c5e0d31e432bfd493d225bb5ead9b2ac1a92c41456de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b8522369a6fda351e0f0c5e0d31e432bfd493d225bb5ead9b2ac1a92c41456de", kill_on_drop: false }` [INFO] [stdout] b8522369a6fda351e0f0c5e0d31e432bfd493d225bb5ead9b2ac1a92c41456de