[INFO] fetching crate mod_language 0.1.22... [INFO] checking mod_language-0.1.22 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781 [INFO] extracting crate mod_language 0.1.22 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate mod_language 0.1.22 on toolchain 195ad4830e11a544391abe296b146450dea8411b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate mod_language 0.1.22 [INFO] finished tweaking crates.io crate mod_language 0.1.22 [INFO] tweaked toml for crates.io crate mod_language 0.1.22 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate crates.io crate mod_language 0.1.22 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 491b7579207ce74e1a31ebe7dbdb8fdf7ba49ee180b7e98718242a700ae18d6e [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "491b7579207ce74e1a31ebe7dbdb8fdf7ba49ee180b7e98718242a700ae18d6e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "491b7579207ce74e1a31ebe7dbdb8fdf7ba49ee180b7e98718242a700ae18d6e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "491b7579207ce74e1a31ebe7dbdb8fdf7ba49ee180b7e98718242a700ae18d6e", kill_on_drop: false }` [INFO] [stdout] 491b7579207ce74e1a31ebe7dbdb8fdf7ba49ee180b7e98718242a700ae18d6e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "-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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c48718fcf3b7bc5ce695a942feb58830972a5d8216b23f3595a314ed06ce0aa4 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "c48718fcf3b7bc5ce695a942feb58830972a5d8216b23f3595a314ed06ce0aa4", kill_on_drop: false }` [INFO] [stderr] Checking mod_utilities v0.1.2 [INFO] [stderr] Checking mod_language v0.1.22 (/opt/rustwide/workdir) [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> src/lib/ctx.rs:173:39 [INFO] [stdout] | [INFO] [stdout] 173 | *self.entries.get(ident.as_ref()).unwrap_unchecked() [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `unwrap_unchecked(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(option_result_unwrap_unchecked)]` to the crate attributes to enable `Option::::unwrap_unchecked` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> src/lib/ctx.rs:173:39 [INFO] [stdout] | [INFO] [stdout] 173 | *self.entries.get(ident.as_ref()).unwrap_unchecked() [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `unwrap_unchecked(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(option_result_unwrap_unchecked)]` to the crate attributes to enable `Option::::unwrap_unchecked` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> src/lib/analyzer/mod.rs:69:40 [INFO] [stdout] | [INFO] [stdout] 69 | unsafe { self.active_modules.pop().unwrap_unchecked() } [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `unwrap_unchecked(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(option_result_unwrap_unchecked)]` to the crate attributes to enable `Option::::unwrap_unchecked` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> src/lib/analyzer/mod.rs:75:42 [INFO] [stdout] | [INFO] [stdout] 75 | unsafe { *self.active_modules.last().unwrap_unchecked() } [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `unwrap_unchecked(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(option_result_unwrap_unchecked)]` to the crate attributes to enable `Option::::unwrap_unchecked` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> src/lib/analyzer/mod.rs:95:42 [INFO] [stdout] | [INFO] [stdout] 95 | unsafe { self.local_context.as_mut().unwrap_unchecked() } [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `unwrap_unchecked(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(option_result_unwrap_unchecked)]` to the crate attributes to enable `Option::::unwrap_unchecked` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> src/lib/analyzer/mod.rs:69:40 [INFO] [stdout] | [INFO] [stdout] 69 | unsafe { self.active_modules.pop().unwrap_unchecked() } [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `unwrap_unchecked(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(option_result_unwrap_unchecked)]` to the crate attributes to enable `Option::::unwrap_unchecked` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> src/lib/analyzer/mod.rs:75:42 [INFO] [stdout] | [INFO] [stdout] 75 | unsafe { *self.active_modules.last().unwrap_unchecked() } [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `unwrap_unchecked(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(option_result_unwrap_unchecked)]` to the crate attributes to enable `Option::::unwrap_unchecked` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> src/lib/analyzer/mod.rs:95:42 [INFO] [stdout] | [INFO] [stdout] 95 | unsafe { self.local_context.as_mut().unwrap_unchecked() } [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `unwrap_unchecked(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(option_result_unwrap_unchecked)]` to the crate attributes to enable `Option::::unwrap_unchecked` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `track_caller` has been stable since 1.46.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib/lib.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | #![feature(track_caller)] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `const_loop` has been stable since 1.46.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib/lib.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | #![feature(const_loop)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `const_if_match` has been stable since 1.46.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib/lib.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | #![feature(const_if_match)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `track_caller` has been stable since 1.46.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib/lib.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | #![feature(track_caller)] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `const_loop` has been stable since 1.46.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib/lib.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | #![feature(const_loop)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `const_if_match` has been stable since 1.46.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib/lib.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | #![feature(const_if_match)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.11s [INFO] running `Command { std: "docker" "inspect" "c48718fcf3b7bc5ce695a942feb58830972a5d8216b23f3595a314ed06ce0aa4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c48718fcf3b7bc5ce695a942feb58830972a5d8216b23f3595a314ed06ce0aa4", kill_on_drop: false }` [INFO] [stdout] c48718fcf3b7bc5ce695a942feb58830972a5d8216b23f3595a314ed06ce0aa4