[INFO] cloning repository https://github.com/luxiaofenglegend/rustlings_done [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luxiaofenglegend/rustlings_done" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluxiaofenglegend%2Frustlings_done", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluxiaofenglegend%2Frustlings_done'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 35569e37b54d268cd60efce6e1ed935798c77c3c [INFO] building luxiaofenglegend/rustlings_done against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluxiaofenglegend%2Frustlings_done" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/luxiaofenglegend/rustlings_done [INFO] finished tweaking git repo https://github.com/luxiaofenglegend/rustlings_done [INFO] tweaked toml for git repo https://github.com/luxiaofenglegend/rustlings_done written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/luxiaofenglegend/rustlings_done 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/luxiaofenglegend/rustlings_done 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 net2 v0.2.39 [INFO] [stderr] Downloaded predicates v3.1.0 [INFO] [stderr] Downloaded normalize-line-endings v0.3.0 [INFO] [stderr] Downloaded inotify v0.7.1 [INFO] [stderr] Downloaded termtree v0.4.1 [INFO] [stderr] Downloaded predicates-tree v1.0.9 [INFO] [stderr] Downloaded indexmap v2.2.3 [INFO] [stderr] Downloaded doc-comment v0.3.3 [INFO] [stderr] Downloaded anstream v0.6.12 [INFO] [stderr] Downloaded assert_cmd v2.0.14 [INFO] [stderr] Downloaded clap v4.5.1 [INFO] [stderr] Downloaded windows-targets v0.52.3 [INFO] [stderr] Downloaded fsevent v0.4.0 [INFO] [stderr] Downloaded notify v4.0.17 [INFO] [stderr] Downloaded fsevent-sys v2.0.1 [INFO] [stderr] Downloaded predicates-core v1.0.6 [INFO] [stderr] Downloaded syn v2.0.51 [INFO] [stderr] Downloaded clap_builder v4.5.1 [INFO] [stderr] Downloaded windows_aarch64_gnullvm v0.52.3 [INFO] [stderr] Downloaded windows_x86_64_gnullvm v0.52.3 [INFO] [stderr] Downloaded windows_aarch64_msvc v0.52.3 [INFO] [stderr] Downloaded windows_i686_gnu v0.52.3 [INFO] [stderr] Downloaded windows_x86_64_gnu v0.52.3 [INFO] [stderr] Downloaded windows_i686_msvc v0.52.3 [INFO] [stderr] Downloaded windows_x86_64_msvc v0.52.3 [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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 05ccb3fd1c5a43e7eec687ab28357a1125f6b68e36b76620f234c144bda803b0 [INFO] running `Command { std: "docker" "start" "-a" "05ccb3fd1c5a43e7eec687ab28357a1125f6b68e36b76620f234c144bda803b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "05ccb3fd1c5a43e7eec687ab28357a1125f6b68e36b76620f234c144bda803b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "05ccb3fd1c5a43e7eec687ab28357a1125f6b68e36b76620f234c144bda803b0", kill_on_drop: false }` [INFO] [stdout] 05ccb3fd1c5a43e7eec687ab28357a1125f6b68e36b76620f234c144bda803b0 [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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0b69df163f6afb5d6d92830cd72359bba20747534fc6c5695c575ad778c3eab3 [INFO] running `Command { std: "docker" "start" "-a" "0b69df163f6afb5d6d92830cd72359bba20747534fc6c5695c575ad778c3eab3", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.78 [INFO] [stderr] Compiling portable-atomic v1.6.0 [INFO] [stderr] Compiling memchr v2.7.1 [INFO] [stderr] Compiling log v0.4.20 [INFO] [stderr] Compiling indexmap v2.2.3 [INFO] [stderr] Compiling unicode-width v0.1.11 [INFO] [stderr] Compiling winnow v0.5.40 [INFO] [stderr] Compiling net2 v0.2.39 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling anstream v0.6.12 [INFO] [stderr] Compiling inotify-sys v0.1.5 [INFO] [stderr] Compiling regex-syntax v0.8.2 [INFO] [stderr] Compiling filetime v0.2.23 [INFO] [stderr] Compiling walkdir v2.4.0 [INFO] [stderr] Compiling number_prefix v0.4.0 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Compiling console v0.15.8 [INFO] [stderr] Compiling home v0.5.9 [INFO] [stderr] Compiling inotify v0.7.1 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling clap_builder v4.5.1 [INFO] [stderr] Compiling aho-corasick v1.1.2 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling indicatif v0.17.8 [INFO] [stderr] Compiling syn v2.0.51 [INFO] [stderr] Compiling notify v4.0.17 [INFO] [stderr] Compiling regex-automata v0.4.5 [INFO] [stderr] Compiling regex v1.10.3 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling clap_derive v4.5.0 [INFO] [stderr] Compiling clap v4.5.1 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling serde_spanned v0.6.5 [INFO] [stderr] Compiling toml_datetime v0.6.5 [INFO] [stderr] Compiling serde_json v1.0.114 [INFO] [stderr] Compiling toml_edit v0.19.15 [INFO] [stderr] Compiling toml v0.7.8 [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:110:20 [INFO] [stdout] | [INFO] [stdout] 110 | 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] 110 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.84s [INFO] running `Command { std: "docker" "inspect" "0b69df163f6afb5d6d92830cd72359bba20747534fc6c5695c575ad778c3eab3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b69df163f6afb5d6d92830cd72359bba20747534fc6c5695c575ad778c3eab3", kill_on_drop: false }` [INFO] [stdout] 0b69df163f6afb5d6d92830cd72359bba20747534fc6c5695c575ad778c3eab3 [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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 68ccc0e3efbdf74e5a309bb9bcd33d182a2271fe227d3a8db5bc884c6e7635b9 [INFO] running `Command { std: "docker" "start" "-a" "68ccc0e3efbdf74e5a309bb9bcd33d182a2271fe227d3a8db5bc884c6e7635b9", kill_on_drop: false }` [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Compiling regex-automata v0.4.5 [INFO] [stderr] Compiling predicates-core v1.0.6 [INFO] [stderr] Compiling difflib v0.4.0 [INFO] [stderr] Compiling termtree v0.4.1 [INFO] [stderr] Compiling float-cmp v0.9.0 [INFO] [stderr] Compiling assert_cmd v2.0.14 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stderr] Compiling wait-timeout v0.2.0 [INFO] [stderr] Compiling predicates-tree v1.0.9 [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:110:20 [INFO] [stdout] | [INFO] [stdout] 110 | 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] 110 | 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:110:20 [INFO] [stdout] | [INFO] [stdout] 110 | 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] 110 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 5.09s [INFO] running `Command { std: "docker" "inspect" "68ccc0e3efbdf74e5a309bb9bcd33d182a2271fe227d3a8db5bc884c6e7635b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "68ccc0e3efbdf74e5a309bb9bcd33d182a2271fe227d3a8db5bc884c6e7635b9", kill_on_drop: false }` [INFO] [stdout] 68ccc0e3efbdf74e5a309bb9bcd33d182a2271fe227d3a8db5bc884c6e7635b9