[INFO] cloning repository https://github.com/ErikYoung89/Rustlings [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ErikYoung89/Rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FErikYoung89%2FRustlings", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FErikYoung89%2FRustlings'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 068de8e5ca683811111c721b3664cf00955fe423 [INFO] checking ErikYoung89/Rustlings against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FErikYoung89%2FRustlings" "/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/ErikYoung89/Rustlings [INFO] finished tweaking git repo https://github.com/ErikYoung89/Rustlings [INFO] tweaked toml for git repo https://github.com/ErikYoung89/Rustlings written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/ErikYoung89/Rustlings on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/ErikYoung89/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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_spanned v0.6.3 [INFO] [stderr] Downloaded difflib v0.4.0 [INFO] [stderr] Downloaded toml v0.7.6 [INFO] [stderr] Downloaded wait-timeout v0.2.0 [INFO] [stderr] Downloaded assert_cmd v2.0.12 [INFO] [stderr] Downloaded indicatif v0.17.6 [INFO] [stderr] Downloaded serde_json v1.0.105 [INFO] [stderr] Downloaded toml_edit v0.19.14 [INFO] [stderr] Downloaded predicates v3.0.3 [INFO] [stderr] Downloaded aho-corasick v1.0.5 [INFO] [stderr] Downloaded syn v2.0.31 [INFO] [stderr] Downloaded bstr v1.6.2 [INFO] [stderr] Downloaded portable-atomic v1.4.3 [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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 06a32b7348136cf3a4b2a5c540b2dc9f91179b828c125413a95df3e421d0657d [INFO] running `Command { std: "docker" "start" "-a" "06a32b7348136cf3a4b2a5c540b2dc9f91179b828c125413a95df3e421d0657d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "06a32b7348136cf3a4b2a5c540b2dc9f91179b828c125413a95df3e421d0657d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "06a32b7348136cf3a4b2a5c540b2dc9f91179b828c125413a95df3e421d0657d", kill_on_drop: false }` [INFO] [stdout] 06a32b7348136cf3a4b2a5c540b2dc9f91179b828c125413a95df3e421d0657d [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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d9a350f6450dd01378aa59511807d9d6a57e87ae6034b5a5979ad0c80cdfcabc [INFO] running `Command { std: "docker" "start" "-a" "d9a350f6450dd01378aa59511807d9d6a57e87ae6034b5a5979ad0c80cdfcabc", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Compiling serde v1.0.188 [INFO] [stderr] Checking memchr v2.6.3 [INFO] [stderr] Checking regex-syntax v0.7.5 [INFO] [stderr] Checking anstyle v1.0.2 [INFO] [stderr] Checking hashbrown v0.14.0 [INFO] [stderr] Checking anstyle-query v1.0.0 [INFO] [stderr] Compiling portable-atomic v1.4.3 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Compiling num-traits v0.2.16 [INFO] [stderr] Checking anstyle-parse v0.2.1 [INFO] [stderr] Checking either v1.9.0 [INFO] [stderr] Compiling serde_json v1.0.105 [INFO] [stderr] Checking clap_lex v0.5.1 [INFO] [stderr] Checking winnow v0.5.15 [INFO] [stderr] Checking filetime v0.2.22 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking difflib v0.4.0 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking ryu v1.0.15 [INFO] [stderr] Checking itoa v1.0.9 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking anstream v0.5.0 [INFO] [stderr] Checking indexmap v2.0.0 [INFO] [stderr] Checking clap_builder v4.4.2 [INFO] [stderr] Checking aho-corasick v1.0.5 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling syn v2.0.31 [INFO] [stderr] Checking indicatif v0.17.6 [INFO] [stderr] Checking notify v4.0.17 [INFO] [stderr] Checking float-cmp v0.9.0 [INFO] [stderr] Checking regex-automata v0.3.8 [INFO] [stderr] Compiling serde_derive v1.0.188 [INFO] [stderr] Compiling clap_derive v4.4.2 [INFO] [stderr] Checking regex v1.9.5 [INFO] [stderr] Checking bstr v1.6.2 [INFO] [stderr] Checking clap v4.4.2 [INFO] [stderr] Checking predicates v3.0.3 [INFO] [stderr] Checking assert_cmd v2.0.12 [INFO] [stderr] Checking toml_datetime v0.6.3 [INFO] [stderr] Checking serde_spanned v0.6.3 [INFO] [stderr] Checking toml_edit v0.19.14 [INFO] [stderr] Checking toml v0.7.6 [INFO] [stderr] Checking rustlings v5.6.0 (/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 `dev` profile [unoptimized + debuginfo] target(s) in 19.64s [INFO] running `Command { std: "docker" "inspect" "d9a350f6450dd01378aa59511807d9d6a57e87ae6034b5a5979ad0c80cdfcabc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9a350f6450dd01378aa59511807d9d6a57e87ae6034b5a5979ad0c80cdfcabc", kill_on_drop: false }` [INFO] [stdout] d9a350f6450dd01378aa59511807d9d6a57e87ae6034b5a5979ad0c80cdfcabc