[INFO] fetching crate clc 0.1.4... [INFO] checking clc-0.1.4 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate clc 0.1.4 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate clc 0.1.4 [INFO] finished tweaking crates.io crate clc 0.1.4 [INFO] tweaked toml for crates.io crate clc 0.1.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate clc 0.1.4 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 clc 0.1.4 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 00bf4a5dda607820d10dfdb7ff54346408294a2e5290bb6a7a5d30690fbe13c9 [INFO] running `Command { std: "docker" "start" "-a" "00bf4a5dda607820d10dfdb7ff54346408294a2e5290bb6a7a5d30690fbe13c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "00bf4a5dda607820d10dfdb7ff54346408294a2e5290bb6a7a5d30690fbe13c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "00bf4a5dda607820d10dfdb7ff54346408294a2e5290bb6a7a5d30690fbe13c9", kill_on_drop: false }` [INFO] [stdout] 00bf4a5dda607820d10dfdb7ff54346408294a2e5290bb6a7a5d30690fbe13c9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 58e6f2368a372ce2e570124e807e626e7cd4ed9710dde78a14a2abd9154d059b [INFO] running `Command { std: "docker" "start" "-a" "58e6f2368a372ce2e570124e807e626e7cd4ed9710dde78a14a2abd9154d059b", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.121 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.90 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling log v0.4.16 [INFO] [stderr] Compiling io-lifetimes v0.6.1 [INFO] [stderr] Compiling parking_lot_core v0.9.2 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling signal-hook v0.3.13 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Compiling rustix v0.34.1 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling rustversion v1.0.6 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Checking utf8parse v0.2.0 [INFO] [stderr] Checking linux-raw-sys v0.0.42 [INFO] [stderr] Checking overload v0.1.1 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking unicode-segmentation v1.9.0 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Checking nu-ansi-term v0.45.1 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking predicates-core v1.0.3 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking terminal_size v0.1.17 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking strum v0.24.0 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling indexmap v1.8.1 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Checking termtree v0.2.4 [INFO] [stderr] Checking signal-hook-mio v0.2.3 [INFO] [stderr] Checking difflib v0.4.0 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking nom v7.1.1 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking predicates-tree v1.0.5 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking parking_lot v0.12.0 [INFO] [stderr] Compiling quote v1.0.17 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Compiling vte_generate_state_changes v0.1.1 [INFO] [stderr] Checking vte v0.10.1 [INFO] [stderr] Checking predicates v2.1.1 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking strip-ansi-escapes v0.1.1 [INFO] [stderr] Checking assert_cmd v2.0.4 [INFO] [stderr] Checking fd-lock v3.0.5 [INFO] [stderr] Checking clc-engine v0.1.4 [INFO] [stderr] Compiling clap_derive v3.1.4 [INFO] [stderr] Compiling strum_macros v0.24.0 [INFO] [stderr] Checking clap v3.1.6 [INFO] [stderr] Checking crossterm v0.23.1 [INFO] [stderr] Checking reedline v0.3.0 [INFO] [stderr] Checking clc v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | / /// Eval given expression. [INFO] [stdout] 10 | | #[clap(long, short = 'e')] [INFO] [stdout] 11 | | pub eval: 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] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/prompt.rs:19:27 [INFO] [stdout] | [INFO] [stdout] 19 | fn render_prompt_left(&self) -> Cow { [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] 19 | fn render_prompt_left(&self) -> Cow<'_, str> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/prompt.rs:24:28 [INFO] [stdout] | [INFO] [stdout] 24 | fn render_prompt_right(&self) -> Cow { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 24 | fn render_prompt_right(&self) -> Cow<'_, str> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/prompt.rs:30:32 [INFO] [stdout] | [INFO] [stdout] 30 | fn render_prompt_indicator(&self, edit_mode: PromptEditMode) -> Cow { [INFO] [stdout] | ^^^^^ the lifetime is elided here ^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 30 | fn render_prompt_indicator(&self, edit_mode: PromptEditMode) -> Cow<'_, str> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/prompt.rs:43:42 [INFO] [stdout] | [INFO] [stdout] 43 | fn render_prompt_multiline_indicator(&self) -> Cow { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 43 | fn render_prompt_multiline_indicator(&self) -> Cow<'_, str> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/prompt.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] 49 | history_search: PromptHistorySearch, [INFO] [stdout] 50 | ) -> Cow { [INFO] [stdout] | ^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 50 | ) -> Cow<'_, str> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `clc` (bin "clc" test) due to 1 previous error; 5 warnings 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:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | / /// Eval given expression. [INFO] [stdout] 10 | | #[clap(long, short = 'e')] [INFO] [stdout] 11 | | pub eval: 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] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/prompt.rs:19:27 [INFO] [stdout] | [INFO] [stdout] 19 | fn render_prompt_left(&self) -> Cow { [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] 19 | fn render_prompt_left(&self) -> Cow<'_, str> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/prompt.rs:24:28 [INFO] [stdout] | [INFO] [stdout] 24 | fn render_prompt_right(&self) -> Cow { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 24 | fn render_prompt_right(&self) -> Cow<'_, str> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/prompt.rs:30:32 [INFO] [stdout] | [INFO] [stdout] 30 | fn render_prompt_indicator(&self, edit_mode: PromptEditMode) -> Cow { [INFO] [stdout] | ^^^^^ the lifetime is elided here ^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 30 | fn render_prompt_indicator(&self, edit_mode: PromptEditMode) -> Cow<'_, str> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/prompt.rs:43:42 [INFO] [stdout] | [INFO] [stdout] 43 | fn render_prompt_multiline_indicator(&self) -> Cow { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 43 | fn render_prompt_multiline_indicator(&self) -> Cow<'_, str> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/prompt.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] 49 | history_search: PromptHistorySearch, [INFO] [stdout] 50 | ) -> Cow { [INFO] [stdout] | ^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 50 | ) -> Cow<'_, str> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `clc` (bin "clc") due to 1 previous error; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "58e6f2368a372ce2e570124e807e626e7cd4ed9710dde78a14a2abd9154d059b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "58e6f2368a372ce2e570124e807e626e7cd4ed9710dde78a14a2abd9154d059b", kill_on_drop: false }` [INFO] [stdout] 58e6f2368a372ce2e570124e807e626e7cd4ed9710dde78a14a2abd9154d059b