[INFO] fetching crate readable-regex 0.1.0-alpha1... [INFO] checking readable-regex-0.1.0-alpha1 against master#c797096598b80ba4a40397ad7e91584fcd3df5f1 for pr-146377-1 [INFO] extracting crate readable-regex 0.1.0-alpha1 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate readable-regex 0.1.0-alpha1 [INFO] finished tweaking crates.io crate readable-regex 0.1.0-alpha1 [INFO] tweaked toml for crates.io crate readable-regex 0.1.0-alpha1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate readable-regex 0.1.0-alpha1 on toolchain c797096598b80ba4a40397ad7e91584fcd3df5f1 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c797096598b80ba4a40397ad7e91584fcd3df5f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c797096598b80ba4a40397ad7e91584fcd3df5f1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 9 packages to latest compatible versions [INFO] [stderr] Adding fancy-regex v0.10.0 (available: v0.16.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c797096598b80ba4a40397ad7e91584fcd3df5f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+c797096598b80ba4a40397ad7e91584fcd3df5f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ea0765b2d943028c08323a4435fe8e0135c8a1fecda220d90c5cb53d5b98e7be [INFO] running `Command { std: "docker" "start" "-a" "ea0765b2d943028c08323a4435fe8e0135c8a1fecda220d90c5cb53d5b98e7be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ea0765b2d943028c08323a4435fe8e0135c8a1fecda220d90c5cb53d5b98e7be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea0765b2d943028c08323a4435fe8e0135c8a1fecda220d90c5cb53d5b98e7be", kill_on_drop: false }` [INFO] [stdout] ea0765b2d943028c08323a4435fe8e0135c8a1fecda220d90c5cb53d5b98e7be [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+c797096598b80ba4a40397ad7e91584fcd3df5f1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7cf6e5ecbf566709e97149a6fd9c545df75bed2b93ca8288fa733af1c1b0758e [INFO] running `Command { std: "docker" "start" "-a" "7cf6e5ecbf566709e97149a6fd9c545df75bed2b93ca8288fa733af1c1b0758e", kill_on_drop: false }` [INFO] [stderr] Checking memchr v2.7.6 [INFO] [stderr] Checking regex-syntax v0.8.8 [INFO] [stderr] Checking aho-corasick v1.1.4 [INFO] [stderr] Checking regex-automata v0.4.13 [INFO] [stderr] Checking regex v1.12.2 [INFO] [stderr] Checking readable-regex v0.1.0-alpha1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:303:27 [INFO] [stdout] | [INFO] [stdout] 303 | pub const fn raw_regex(s: &str) -> ReadableRe { [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] 303 | pub const fn raw_regex(s: &str) -> ReadableRe<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:320:22 [INFO] [stdout] | [INFO] [stdout] 320 | pub fn escape_str(s: &str) -> ReadableRe { [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] 320 | pub fn escape_str(s: &str) -> ReadableRe<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:415:18 [INFO] [stdout] | [INFO] [stdout] 415 | pub fn chars(re: &str) -> ReadableRe { [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] 415 | pub fn chars(re: &str) -> ReadableRe<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:303:27 [INFO] [stdout] | [INFO] [stdout] 303 | pub const fn raw_regex(s: &str) -> ReadableRe { [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] 303 | pub const fn raw_regex(s: &str) -> ReadableRe<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:320:22 [INFO] [stdout] | [INFO] [stdout] 320 | pub fn escape_str(s: &str) -> ReadableRe { [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] 320 | pub fn escape_str(s: &str) -> ReadableRe<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:415:18 [INFO] [stdout] | [INFO] [stdout] 415 | pub fn chars(re: &str) -> ReadableRe { [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] 415 | pub fn chars(re: &str) -> ReadableRe<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find function `positive_look_ahead` in this scope [INFO] [stdout] --> tests/fn_api.rs:167:16 [INFO] [stdout] | [INFO] [stdout] 167 | assert_eq!(positive_look_ahead("cat".into()).to_string(), "(?=cat)"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find function `negative_look_ahead` in this scope [INFO] [stdout] --> tests/fn_api.rs:172:16 [INFO] [stdout] | [INFO] [stdout] 172 | assert_eq!(negative_look_ahead("cat".into()).to_string(), "(?!cat)"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find function `positive_look_behind` in this scope [INFO] [stdout] --> tests/fn_api.rs:177:16 [INFO] [stdout] | [INFO] [stdout] 177 | assert_eq!(positive_look_behind("cat".into()).to_string(), "(?<=cat)"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find function `negative_look_behind` in this scope [INFO] [stdout] --> tests/fn_api.rs:182:16 [INFO] [stdout] | [INFO] [stdout] 182 | assert_eq!(negative_look_behind("cat".into()).to_string(), "(?