[INFO] cloning repository https://github.com/cicvedu/rust-rustlings-luodeb [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cicvedu/rust-rustlings-luodeb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcicvedu%2Frust-rustlings-luodeb", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcicvedu%2Frust-rustlings-luodeb'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d5130452077fc7e73315c796df65f592f4fc0805 [INFO] checking cicvedu/rust-rustlings-luodeb against try#0cb362313295507a2f4321c0e30cea0168f2fe71 for pr-138961-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcicvedu%2Frust-rustlings-luodeb" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/cicvedu/rust-rustlings-luodeb [INFO] finished tweaking git repo https://github.com/cicvedu/rust-rustlings-luodeb [INFO] tweaked toml for git repo https://github.com/cicvedu/rust-rustlings-luodeb written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/cicvedu/rust-rustlings-luodeb on toolchain 0cb362313295507a2f4321c0e30cea0168f2fe71 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0cb362313295507a2f4321c0e30cea0168f2fe71" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/cicvedu/rust-rustlings-luodeb 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" "+0cb362313295507a2f4321c0e30cea0168f2fe71" "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 argh v0.1.10 [INFO] [stderr] Downloaded argh_shared v0.1.10 [INFO] [stderr] Downloaded argh_derive v0.1.10 [INFO] [stderr] Downloaded proc-macro2 v1.0.64 [INFO] [stderr] Downloaded serde_derive v1.0.171 [INFO] [stderr] Downloaded serde_json v1.0.102 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+0cb362313295507a2f4321c0e30cea0168f2fe71" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 005a8c3e3882509109ec0488ead87f1072e6503576a2fb57cb13529d95b1e871 [INFO] running `Command { std: "docker" "start" "-a" "005a8c3e3882509109ec0488ead87f1072e6503576a2fb57cb13529d95b1e871", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "005a8c3e3882509109ec0488ead87f1072e6503576a2fb57cb13529d95b1e871", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "005a8c3e3882509109ec0488ead87f1072e6503576a2fb57cb13529d95b1e871", kill_on_drop: false }` [INFO] [stdout] 005a8c3e3882509109ec0488ead87f1072e6503576a2fb57cb13529d95b1e871 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+0cb362313295507a2f4321c0e30cea0168f2fe71" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7a1d0536db93805bdd6d620f5e2d2b33aa744fe7d619401d38f971ff2b27360a [INFO] running `Command { std: "docker" "start" "-a" "7a1d0536db93805bdd6d620f5e2d2b33aa744fe7d619401d38f971ff2b27360a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.64 [INFO] [stderr] Compiling serde v1.0.171 [INFO] [stderr] Checking log v0.4.19 [INFO] [stderr] Compiling serde_json v1.0.102 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking aho-corasick v1.0.2 [INFO] [stderr] Compiling argh_shared v0.1.10 [INFO] [stderr] Checking float-cmp v0.8.0 [INFO] [stderr] Checking filetime v0.2.21 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Compiling quote v1.0.29 [INFO] [stderr] Checking notify v4.0.17 [INFO] [stderr] Checking regex-automata v0.3.3 [INFO] [stderr] Compiling syn v2.0.25 [INFO] [stderr] Checking regex v1.9.1 [INFO] [stderr] Compiling argh_derive v0.1.10 [INFO] [stderr] Checking predicates v1.0.8 [INFO] [stderr] Checking indicatif v0.16.2 [INFO] [stderr] Checking argh v0.1.10 [INFO] [stderr] Compiling serde_derive v1.0.171 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stderr] Checking tokio v1.29.1 [INFO] [stderr] Checking toml v0.5.11 [INFO] [stderr] Checking escargot v0.4.0 [INFO] [stderr] Checking rustlings v5.5.1 (/opt/rustwide/workdir) [INFO] [stderr] Checking assert_cmd v0.11.1 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/exercise.rs:113:20 [INFO] [stdout] | [INFO] [stdout] 113 | 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] 113 | 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:113:20 [INFO] [stdout] | [INFO] [stdout] 113 | 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] 113 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.27s [INFO] running `Command { std: "docker" "inspect" "7a1d0536db93805bdd6d620f5e2d2b33aa744fe7d619401d38f971ff2b27360a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a1d0536db93805bdd6d620f5e2d2b33aa744fe7d619401d38f971ff2b27360a", kill_on_drop: false }` [INFO] [stdout] 7a1d0536db93805bdd6d620f5e2d2b33aa744fe7d619401d38f971ff2b27360a