[INFO] fetching crate readable-regex 0.1.0-alpha1...
[INFO] building readable-regex-0.1.0-alpha1 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate readable-regex 0.1.0-alpha1 into /workspace/builds/worker-6-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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate readable-regex 0.1.0-alpha1 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e597b861f5d6aa8bb044858dc992d8a1331ca8ffefab854397086e00fd57967b
[INFO] running `Command { std: "docker" "start" "-a" "e597b861f5d6aa8bb044858dc992d8a1331ca8ffefab854397086e00fd57967b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e597b861f5d6aa8bb044858dc992d8a1331ca8ffefab854397086e00fd57967b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e597b861f5d6aa8bb044858dc992d8a1331ca8ffefab854397086e00fd57967b", kill_on_drop: false }`
[INFO] [stdout] e597b861f5d6aa8bb044858dc992d8a1331ca8ffefab854397086e00fd57967b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a886d10b52cb7998edc38e8bc6f1cd7797c999aea3fd8750c56af150fcb53c12
[INFO] running `Command { std: "docker" "start" "-a" "a886d10b52cb7998edc38e8bc6f1cd7797c999aea3fd8750c56af150fcb53c12", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "a886d10b52cb7998edc38e8bc6f1cd7797c999aea3fd8750c56af150fcb53c12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a886d10b52cb7998edc38e8bc6f1cd7797c999aea3fd8750c56af150fcb53c12", kill_on_drop: false }`
[INFO] [stdout] a886d10b52cb7998edc38e8bc6f1cd7797c999aea3fd8750c56af150fcb53c12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16ebeb6ce3fbd5da75435521241d552204d51764161cc903bb1961bda871e073
[INFO] running `Command { std: "docker" "start" "-a" "16ebeb6ce3fbd5da75435521241d552204d51764161cc903bb1961bda871e073", kill_on_drop: false }`
[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] [stderr]    Compiling 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] 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(), "(?<!cat)");
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `readable-regex` (test "fn_api") due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "16ebeb6ce3fbd5da75435521241d552204d51764161cc903bb1961bda871e073", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16ebeb6ce3fbd5da75435521241d552204d51764161cc903bb1961bda871e073", kill_on_drop: false }`
[INFO] [stdout] 16ebeb6ce3fbd5da75435521241d552204d51764161cc903bb1961bda871e073