[INFO] cloning repository https://github.com/mobilephone724/rustlings [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mobilephone724/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmobilephone724%2Frustlings", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmobilephone724%2Frustlings'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a9c5e5a68205837a2aa2cd2c89118244f9ba6620 [INFO] checking mobilephone724/rustlings against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmobilephone724%2Frustlings" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/mobilephone724/rustlings [INFO] finished tweaking git repo https://github.com/mobilephone724/rustlings [INFO] tweaked toml for git repo https://github.com/mobilephone724/rustlings written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/mobilephone724/rustlings on toolchain b1f2594eac607c1f051534800237eeedb5590a49 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/mobilephone724/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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b3da6a434eacfa2321f688a49c3221c5fbfac49cae438b4aa5bc267669107960 [INFO] running `Command { std: "docker" "start" "-a" "b3da6a434eacfa2321f688a49c3221c5fbfac49cae438b4aa5bc267669107960", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b3da6a434eacfa2321f688a49c3221c5fbfac49cae438b4aa5bc267669107960", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b3da6a434eacfa2321f688a49c3221c5fbfac49cae438b4aa5bc267669107960", kill_on_drop: false }` [INFO] [stdout] b3da6a434eacfa2321f688a49c3221c5fbfac49cae438b4aa5bc267669107960 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0c06562a2e344b605c42a518312e210bdb395902d83ccf5e18ffb966be914785 [INFO] running `Command { std: "docker" "start" "-a" "0c06562a2e344b605c42a518312e210bdb395902d83ccf5e18ffb966be914785", kill_on_drop: false }` [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking inotify-sys v0.1.5 [INFO] [stderr] Compiling rustix v0.38.32 [INFO] [stderr] Compiling portable-atomic v1.6.0 [INFO] [stderr] Checking filetime v0.2.23 [INFO] [stderr] Checking mio v0.8.11 [INFO] [stderr] Checking float-cmp v0.9.0 [INFO] [stderr] Checking toml_datetime v0.6.5 [INFO] [stderr] Checking serde_spanned v0.6.5 [INFO] [stderr] Checking console v0.15.8 [INFO] [stderr] Checking either v1.11.0 [INFO] [stderr] Checking home v0.5.9 [INFO] [stderr] Checking shlex v1.3.0 [INFO] [stderr] Checking inotify v0.9.6 [INFO] [stderr] Checking toml_edit v0.22.11 [INFO] [stderr] Checking notify v6.1.1 [INFO] [stderr] Checking indicatif v0.17.8 [INFO] [stderr] Checking notify-debouncer-mini v0.4.1 [INFO] [stderr] Checking which v6.0.1 [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] [stderr] Checking regex v1.10.4 [INFO] [stderr] Checking bstr v1.9.1 [INFO] [stderr] Checking predicates v3.1.0 [INFO] [stderr] Checking assert_cmd v2.0.14 [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 5.99s [INFO] running `Command { std: "docker" "inspect" "0c06562a2e344b605c42a518312e210bdb395902d83ccf5e18ffb966be914785", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c06562a2e344b605c42a518312e210bdb395902d83ccf5e18ffb966be914785", kill_on_drop: false }` [INFO] [stdout] 0c06562a2e344b605c42a518312e210bdb395902d83ccf5e18ffb966be914785