[INFO] fetching crate readable-regex 0.1.0-alpha1...
[INFO] testing readable-regex-0.1.0-alpha1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate readable-regex 0.1.0-alpha1 into /workspace/builds/worker-4-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate readable-regex 0.1.0-alpha1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e6868cf61a61e219afc95b4165d8cf901d89b27468c0dedfcc5ee5856428919
[INFO] running `Command { std: "docker" "start" "-a" "0e6868cf61a61e219afc95b4165d8cf901d89b27468c0dedfcc5ee5856428919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e6868cf61a61e219afc95b4165d8cf901d89b27468c0dedfcc5ee5856428919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e6868cf61a61e219afc95b4165d8cf901d89b27468c0dedfcc5ee5856428919", kill_on_drop: false }`
[INFO] [stdout] 0e6868cf61a61e219afc95b4165d8cf901d89b27468c0dedfcc5ee5856428919
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47bc3d7f2b30e7d93e01ebfb96e05a2f42948a471d3ddbaf24125ea56e1dc768
[INFO] running `Command { std: "docker" "start" "-a" "47bc3d7f2b30e7d93e01ebfb96e05a2f42948a471d3ddbaf24125ea56e1dc768", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling regex v1.12.2
[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 8.17s
[INFO] running `Command { std: "docker" "inspect" "47bc3d7f2b30e7d93e01ebfb96e05a2f42948a471d3ddbaf24125ea56e1dc768", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47bc3d7f2b30e7d93e01ebfb96e05a2f42948a471d3ddbaf24125ea56e1dc768", kill_on_drop: false }`
[INFO] [stdout] 47bc3d7f2b30e7d93e01ebfb96e05a2f42948a471d3ddbaf24125ea56e1dc768
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27b9d1a7f67d8ff70962be653d043144d741b312da2a6c5639432559a6de0c3f
[INFO] running `Command { std: "docker" "start" "-a" "27b9d1a7f67d8ff70962be653d043144d741b312da2a6c5639432559a6de0c3f", 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] [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: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] [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] running `Command { std: "docker" "inspect" "27b9d1a7f67d8ff70962be653d043144d741b312da2a6c5639432559a6de0c3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27b9d1a7f67d8ff70962be653d043144d741b312da2a6c5639432559a6de0c3f", kill_on_drop: false }`
[INFO] [stdout] 27b9d1a7f67d8ff70962be653d043144d741b312da2a6c5639432559a6de0c3f