[INFO] fetching crate cdown 0.1.0... [INFO] checking cdown-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate cdown 0.1.0 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate cdown 0.1.0 [INFO] finished tweaking crates.io crate cdown 0.1.0 [INFO] tweaked toml for crates.io crate cdown 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate cdown 0.1.0 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 cdown 0.1.0 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6ed04438ba58e1ca9f9868f16bc2a25d79a285b07e7ad82f57a77ce0a85002ee [INFO] running `Command { std: "docker" "start" "-a" "6ed04438ba58e1ca9f9868f16bc2a25d79a285b07e7ad82f57a77ce0a85002ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6ed04438ba58e1ca9f9868f16bc2a25d79a285b07e7ad82f57a77ce0a85002ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ed04438ba58e1ca9f9868f16bc2a25d79a285b07e7ad82f57a77ce0a85002ee", kill_on_drop: false }` [INFO] [stdout] 6ed04438ba58e1ca9f9868f16bc2a25d79a285b07e7ad82f57a77ce0a85002ee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 8e36d059fc77ec36fe64c5a2605fb6ebb1af10157ec99fa0e51727ed3ffc2a0f [INFO] running `Command { std: "docker" "start" "-a" "8e36d059fc77ec36fe64c5a2605fb6ebb1af10157ec99fa0e51727ed3ffc2a0f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.96 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling anyhow v1.0.40 [INFO] [stderr] Checking cassowary v0.3.0 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking mio v0.7.11 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking signal-hook v0.1.17 [INFO] [stderr] Checking crossterm v0.19.0 [INFO] [stderr] Checking tui v0.15.0 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Checking structopt v0.3.21 [INFO] [stderr] Checking cdown v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | / #[structopt(default_value = "3min")] [INFO] [stdout] 43 | | time: 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:49:5 [INFO] [stdout] | [INFO] [stdout] 49 | / /// Set the foreground color [INFO] [stdout] 50 | | #[structopt(short, default_value = "lightblue")] [INFO] [stdout] 51 | | color: String, [INFO] [stdout] | |_________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/timer.rs:27:17 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn text(&self) -> Vec { [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] 27 | pub fn text(&self) -> Vec> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | / #[structopt(default_value = "3min")] [INFO] [stdout] 43 | | time: 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:49:5 [INFO] [stdout] | [INFO] [stdout] 49 | / /// Set the foreground color [INFO] [stdout] 50 | | #[structopt(short, default_value = "lightblue")] [INFO] [stdout] 51 | | color: String, [INFO] [stdout] | |_________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/timer.rs:27:17 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn text(&self) -> Vec { [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] 27 | pub fn text(&self) -> Vec> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cdown` (bin "cdown") due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `cdown` (bin "cdown" test) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "8e36d059fc77ec36fe64c5a2605fb6ebb1af10157ec99fa0e51727ed3ffc2a0f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e36d059fc77ec36fe64c5a2605fb6ebb1af10157ec99fa0e51727ed3ffc2a0f", kill_on_drop: false }` [INFO] [stdout] 8e36d059fc77ec36fe64c5a2605fb6ebb1af10157ec99fa0e51727ed3ffc2a0f