[INFO] cloning repository https://github.com/tshabatyn/rustlings [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tshabatyn/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftshabatyn%2Frustlings", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftshabatyn%2Frustlings'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 258ff6f462880aa866d6d9d269ae4e2070db6a17 [INFO] checking tshabatyn/rustlings against try#29194e8f603400afdb2f86c9418e9fccb1628ea0 for pr-135331-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftshabatyn%2Frustlings" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/tshabatyn/rustlings [INFO] finished tweaking git repo https://github.com/tshabatyn/rustlings [INFO] tweaked toml for git repo https://github.com/tshabatyn/rustlings written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/tshabatyn/rustlings on toolchain 29194e8f603400afdb2f86c9418e9fccb1628ea0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+29194e8f603400afdb2f86c9418e9fccb1628ea0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/tshabatyn/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" "+29194e8f603400afdb2f86c9418e9fccb1628ea0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+29194e8f603400afdb2f86c9418e9fccb1628ea0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9c2b3a12c62c7b8902ef759b94fdafeac4c72f3fbbb5baa8c8c0d3d3eb276ad9 [INFO] running `Command { std: "docker" "start" "-a" "9c2b3a12c62c7b8902ef759b94fdafeac4c72f3fbbb5baa8c8c0d3d3eb276ad9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9c2b3a12c62c7b8902ef759b94fdafeac4c72f3fbbb5baa8c8c0d3d3eb276ad9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c2b3a12c62c7b8902ef759b94fdafeac4c72f3fbbb5baa8c8c0d3d3eb276ad9", kill_on_drop: false }` [INFO] [stdout] 9c2b3a12c62c7b8902ef759b94fdafeac4c72f3fbbb5baa8c8c0d3d3eb276ad9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+29194e8f603400afdb2f86c9418e9fccb1628ea0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5d55ea12cb283c68f457fb32dbb870fb630bb67edb6d8d5f51d36f72069d352b [INFO] running `Command { std: "docker" "start" "-a" "5d55ea12cb283c68f457fb32dbb870fb630bb67edb6d8d5f51d36f72069d352b", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Checking anstyle v1.0.6 [INFO] [stderr] Checking memchr v2.7.1 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Checking regex-syntax v0.8.3 [INFO] [stderr] Checking utf8parse v0.2.1 [INFO] [stderr] Checking anstyle-parse v0.2.3 [INFO] [stderr] Compiling rustix v0.38.32 [INFO] [stderr] Checking colorchoice v1.0.0 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Checking anstyle-query v1.0.2 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling portable-atomic v1.6.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking anstream v0.6.13 [INFO] [stderr] Checking crossbeam-channel v0.5.12 [INFO] [stderr] Compiling anyhow v1.0.81 [INFO] [stderr] Compiling serde_json v1.0.115 [INFO] [stderr] Checking inotify-sys v0.1.5 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Checking filetime v0.2.23 [INFO] [stderr] Checking inotify v0.9.6 [INFO] [stderr] Checking mio v0.8.11 [INFO] [stderr] Checking strsim v0.11.0 [INFO] [stderr] Checking bitflags v2.5.0 [INFO] [stderr] Compiling syn v2.0.55 [INFO] [stderr] Checking equivalent v1.0.1 [INFO] [stderr] Checking unicode-width v0.1.11 [INFO] [stderr] Checking predicates-core v1.0.6 [INFO] [stderr] Compiling heck v0.5.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking linux-raw-sys v0.4.13 [INFO] [stderr] Checking clap_lex v0.7.0 [INFO] [stderr] Checking hashbrown v0.14.3 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Checking clap_builder v4.5.2 [INFO] [stderr] Checking console v0.15.8 [INFO] [stderr] Checking float-cmp v0.9.0 [INFO] [stderr] Checking notify v6.1.1 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking ryu v1.0.17 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Checking difflib v0.4.0 [INFO] [stderr] Checking indexmap v2.2.6 [INFO] [stderr] Checking home v0.5.9 [INFO] [stderr] Compiling assert_cmd v2.0.14 [INFO] [stderr] Checking number_prefix v0.4.0 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Checking winnow v0.6.5 [INFO] [stderr] Checking termtree v0.4.1 [INFO] [stderr] Checking indicatif v0.17.8 [INFO] [stderr] Checking predicates-tree v1.0.9 [INFO] [stderr] Checking notify-debouncer-mini v0.4.1 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking shlex v1.3.0 [INFO] [stderr] Checking glob v0.3.1 [INFO] [stderr] Checking which v6.0.1 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Checking bstr v1.9.1 [INFO] [stderr] Checking predicates v3.1.0 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling clap_derive v4.5.4 [INFO] [stderr] Checking clap v4.5.4 [INFO] [stderr] Checking serde_spanned v0.6.5 [INFO] [stderr] Checking toml_datetime v0.6.5 [INFO] [stderr] Checking toml_edit v0.22.9 [INFO] [stderr] Checking rustlings v5.6.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/exercise.rs:125:20 [INFO] [stdout] | [INFO] [stdout] 125 | 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] 125 | 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:125:20 [INFO] [stdout] | [INFO] [stdout] 125 | 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] 125 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 39.34s [INFO] running `Command { std: "docker" "inspect" "5d55ea12cb283c68f457fb32dbb870fb630bb67edb6d8d5f51d36f72069d352b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d55ea12cb283c68f457fb32dbb870fb630bb67edb6d8d5f51d36f72069d352b", kill_on_drop: false }` [INFO] [stdout] 5d55ea12cb283c68f457fb32dbb870fb630bb67edb6d8d5f51d36f72069d352b