[INFO] cloning repository https://github.com/SpasZahariev/my-rustlings
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SpasZahariev/my-rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpasZahariev%2Fmy-rustlings", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpasZahariev%2Fmy-rustlings'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 71053101c32d0fd374f8e122880b3d682519bac6
[INFO] checking SpasZahariev/my-rustlings against try#f70ee28831acc074c109afab32d287057c3eca46 for pr-149389
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpasZahariev%2Fmy-rustlings" "/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/SpasZahariev/my-rustlings
[INFO] finished tweaking git repo https://github.com/SpasZahariev/my-rustlings
[INFO] tweaked toml for git repo https://github.com/SpasZahariev/my-rustlings written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SpasZahariev/my-rustlings on toolchain f70ee28831acc074c109afab32d287057c3eca46
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/SpasZahariev/my-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" "+f70ee28831acc074c109afab32d287057c3eca46" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking SpasZahariev/my-rustlings against try#f70ee28831acc074c109afab32d287057c3eca46 for pr-149389
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpasZahariev%2Fmy-rustlings" "/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/SpasZahariev/my-rustlings
[INFO] finished tweaking git repo https://github.com/SpasZahariev/my-rustlings
[INFO] tweaked toml for git repo https://github.com/SpasZahariev/my-rustlings written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SpasZahariev/my-rustlings on toolchain f70ee28831acc074c109afab32d287057c3eca46
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/SpasZahariev/my-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" "+f70ee28831acc074c109afab32d287057c3eca46" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded which v6.0.1
[INFO] [stderr]   Downloaded toml_edit v0.22.11
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b055b257f4689f0829ba5d7b4b2a3e65d735de35b03df5333546e8ae5c46a983
[INFO] running `Command { std: "docker" "start" "-a" "b055b257f4689f0829ba5d7b4b2a3e65d735de35b03df5333546e8ae5c46a983", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b055b257f4689f0829ba5d7b4b2a3e65d735de35b03df5333546e8ae5c46a983", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b055b257f4689f0829ba5d7b4b2a3e65d735de35b03df5333546e8ae5c46a983", kill_on_drop: false }`
[INFO] [stdout] b055b257f4689f0829ba5d7b4b2a3e65d735de35b03df5333546e8ae5c46a983
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a556c8e5bfab91db301c2800de35af80cc489b0ef605998dd829bc05b270d31
[INFO] running `Command { std: "docker" "start" "-a" "9a556c8e5bfab91db301c2800de35af80cc489b0ef605998dd829bc05b270d31", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling serde v1.0.198
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking filetime v0.2.23
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]    Compiling assert_cmd v2.0.14
[INFO] [stderr]     Checking winnow v0.6.6
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking shlex v1.3.0
[INFO] [stderr]     Checking inotify v0.9.6
[INFO] [stderr]     Checking indicatif v0.17.8
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]     Checking notify v6.1.1
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking notify-debouncer-mini v0.4.1
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking which v6.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.198
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]     Checking predicates v3.1.0
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking serde_spanned v0.6.5
[INFO] [stderr]     Checking serde_json v1.0.116
[INFO] [stderr]     Checking toml_edit v0.22.11
[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<CompiledExercise, ExerciseOutput> {
[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<CompiledExercise<'_>, 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<CompiledExercise, ExerciseOutput> {
[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<CompiledExercise<'_>, ExerciseOutput> {
[INFO] [stdout]     |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.65s
[INFO] running `Command { std: "docker" "inspect" "9a556c8e5bfab91db301c2800de35af80cc489b0ef605998dd829bc05b270d31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a556c8e5bfab91db301c2800de35af80cc489b0ef605998dd829bc05b270d31", kill_on_drop: false }`
[INFO] [stdout] 9a556c8e5bfab91db301c2800de35af80cc489b0ef605998dd829bc05b270d31