[INFO] cloning repository https://github.com/patrickbucher/rustlings [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/patrickbucher/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatrickbucher%2Frustlings", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatrickbucher%2Frustlings'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] dc33d8d8b684696536a718bbdcb25f6c2c583832 [INFO] building patrickbucher/rustlings against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatrickbucher%2Frustlings" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/patrickbucher/rustlings [INFO] finished tweaking git repo https://github.com/patrickbucher/rustlings [INFO] tweaked toml for git repo https://github.com/patrickbucher/rustlings written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/patrickbucher/rustlings on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/patrickbucher/rustlings 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded difflib v0.4.0 [INFO] [stderr] Downloaded notify-debouncer-mini v0.4.1 [INFO] [stderr] Downloaded predicates-core v1.0.6 [INFO] [stderr] Downloaded normalize-line-endings v0.3.0 [INFO] [stderr] Downloaded termtree v0.4.1 [INFO] [stderr] Downloaded predicates v3.1.0 [INFO] [stderr] Downloaded inotify v0.9.6 [INFO] [stderr] Downloaded filetime v0.2.23 [INFO] [stderr] Downloaded predicates-tree v1.0.9 [INFO] [stderr] Downloaded doc-comment v0.3.3 [INFO] [stderr] Downloaded clap v4.5.2 [INFO] [stderr] Downloaded toml v0.8.10 [INFO] [stderr] Downloaded wait-timeout v0.2.0 [INFO] [stderr] Downloaded assert_cmd v2.0.14 [INFO] [stderr] Downloaded notify v6.1.1 [INFO] [stderr] Downloaded clap_derive v4.5.0 [INFO] [stderr] Downloaded syn v2.0.52 [INFO] [stderr] Downloaded toml_edit v0.22.6 [INFO] [stderr] Downloaded kqueue v1.0.8 [INFO] [stderr] Downloaded float-cmp v0.9.0 [INFO] [stderr] Downloaded bstr v1.9.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e2034ac481ca3d6582c650cd7fcdd1a166db893590188cac26cbd10b050e8d23 [INFO] running `Command { std: "docker" "start" "-a" "e2034ac481ca3d6582c650cd7fcdd1a166db893590188cac26cbd10b050e8d23", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e2034ac481ca3d6582c650cd7fcdd1a166db893590188cac26cbd10b050e8d23", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e2034ac481ca3d6582c650cd7fcdd1a166db893590188cac26cbd10b050e8d23", kill_on_drop: false }` [INFO] [stdout] e2034ac481ca3d6582c650cd7fcdd1a166db893590188cac26cbd10b050e8d23 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e846d47bd1f1106b94d124395f3209de0fbfe987be316f7a774339cdcd315923 [INFO] running `Command { std: "docker" "start" "-a" "e846d47bd1f1106b94d124395f3209de0fbfe987be316f7a774339cdcd315923", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.78 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Compiling memchr v2.7.1 [INFO] [stderr] Compiling regex-syntax v0.8.2 [INFO] [stderr] Compiling winnow v0.6.5 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Compiling home v0.5.9 [INFO] [stderr] Compiling inotify-sys v0.1.5 [INFO] [stderr] Compiling mio v0.8.11 [INFO] [stderr] Compiling filetime v0.2.23 [INFO] [stderr] Compiling console v0.15.8 [INFO] [stderr] Compiling clap_builder v4.5.2 [INFO] [stderr] Compiling inotify v0.9.6 [INFO] [stderr] Compiling indicatif v0.17.8 [INFO] [stderr] Compiling aho-corasick v1.1.2 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling crossbeam-channel v0.5.12 [INFO] [stderr] Compiling syn v2.0.52 [INFO] [stderr] Compiling notify v6.1.1 [INFO] [stderr] Compiling notify-debouncer-mini v0.4.1 [INFO] [stderr] Compiling regex-automata v0.4.6 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling clap_derive v4.5.0 [INFO] [stderr] Compiling clap v4.5.2 [INFO] [stderr] Compiling regex v1.10.3 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling toml_datetime v0.6.5 [INFO] [stderr] Compiling serde_spanned v0.6.5 [INFO] [stderr] Compiling serde_json v1.0.114 [INFO] [stderr] Compiling toml_edit v0.22.6 [INFO] [stderr] Compiling toml v0.8.10 [INFO] [stderr] Compiling rustlings v5.6.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/exercise.rs:111:20 [INFO] [stdout] | [INFO] [stdout] 111 | pub fn compile(&self) -> Result { [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] 111 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.80s [INFO] running `Command { std: "docker" "inspect" "e846d47bd1f1106b94d124395f3209de0fbfe987be316f7a774339cdcd315923", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e846d47bd1f1106b94d124395f3209de0fbfe987be316f7a774339cdcd315923", kill_on_drop: false }` [INFO] [stdout] e846d47bd1f1106b94d124395f3209de0fbfe987be316f7a774339cdcd315923 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 89d48f8bc221ae8adeee1e012009268701ee1e0c69a72027cbccd3ee2ec0681b [INFO] running `Command { std: "docker" "start" "-a" "89d48f8bc221ae8adeee1e012009268701ee1e0c69a72027cbccd3ee2ec0681b", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling regex-automata v0.4.6 [INFO] [stderr] Compiling predicates-core v1.0.6 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stderr] Compiling termtree v0.4.1 [INFO] [stderr] Compiling assert_cmd v2.0.14 [INFO] [stderr] Compiling difflib v0.4.0 [INFO] [stderr] Compiling wait-timeout v0.2.0 [INFO] [stderr] Compiling predicates-tree v1.0.9 [INFO] [stderr] Compiling float-cmp v0.9.0 [INFO] [stderr] Compiling regex v1.10.3 [INFO] [stderr] Compiling bstr v1.9.1 [INFO] [stderr] Compiling predicates v3.1.0 [INFO] [stderr] Compiling rustlings v5.6.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/exercise.rs:111:20 [INFO] [stdout] | [INFO] [stdout] 111 | pub fn compile(&self) -> Result { [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] 111 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/exercise.rs:111:20 [INFO] [stdout] | [INFO] [stdout] 111 | pub fn compile(&self) -> Result { [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] 111 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 9.81s [INFO] running `Command { std: "docker" "inspect" "89d48f8bc221ae8adeee1e012009268701ee1e0c69a72027cbccd3ee2ec0681b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "89d48f8bc221ae8adeee1e012009268701ee1e0c69a72027cbccd3ee2ec0681b", kill_on_drop: false }` [INFO] [stdout] 89d48f8bc221ae8adeee1e012009268701ee1e0c69a72027cbccd3ee2ec0681b