[INFO] cloning repository https://github.com/satyabansahoo2000/rustlings [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/satyabansahoo2000/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsatyabansahoo2000%2Frustlings", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsatyabansahoo2000%2Frustlings'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b73fc84689d07b60440e4a78581c2e26c78ce717 [INFO] checking satyabansahoo2000/rustlings against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsatyabansahoo2000%2Frustlings" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] [stderr] Updating files: 45% (632/1378) Updating files: 46% (634/1378) Updating files: 47% (648/1378) Updating files: 48% (662/1378) Updating files: 49% (676/1378) Updating files: 50% (689/1378) Updating files: 51% (703/1378) Updating files: 51% (716/1378) Updating files: 52% (717/1378) Updating files: 53% (731/1378) Updating files: 54% (745/1378) Updating files: 55% (758/1378) Updating files: 56% (772/1378) Updating files: 57% (786/1378) Updating files: 58% (800/1378) Updating files: 59% (814/1378) Updating files: 60% (827/1378) Updating files: 61% (841/1378) Updating files: 62% (855/1378) Updating files: 63% (869/1378) Updating files: 64% (882/1378) Updating files: 65% (896/1378) Updating files: 66% (910/1378) Updating files: 67% (924/1378) Updating files: 68% (938/1378) Updating files: 69% (951/1378) Updating files: 70% (965/1378) Updating files: 71% (979/1378) Updating files: 72% (993/1378) Updating files: 73% (1006/1378) Updating files: 74% (1020/1378) Updating files: 75% (1034/1378) Updating files: 76% (1048/1378) Updating files: 77% (1062/1378) Updating files: 78% (1075/1378) Updating files: 79% (1089/1378) Updating files: 80% (1103/1378) Updating files: 81% (1117/1378) Updating files: 82% (1130/1378) Updating files: 83% (1144/1378) Updating files: 84% (1158/1378) Updating files: 85% (1172/1378) Updating files: 86% (1186/1378) Updating files: 87% (1199/1378) Updating files: 88% (1213/1378) Updating files: 89% (1227/1378) Updating files: 90% (1241/1378) Updating files: 91% (1254/1378) Updating files: 92% (1268/1378) Updating files: 93% (1282/1378) Updating files: 94% (1296/1378) Updating files: 95% (1310/1378) Updating files: 96% (1323/1378) Updating files: 97% (1337/1378) Updating files: 98% (1351/1378) Updating files: 99% (1365/1378) Updating files: 100% (1378/1378) Updating files: 100% (1378/1378), done. [INFO] started tweaking git repo https://github.com/satyabansahoo2000/rustlings [INFO] finished tweaking git repo https://github.com/satyabansahoo2000/rustlings [INFO] tweaked toml for git repo https://github.com/satyabansahoo2000/rustlings written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/satyabansahoo2000/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/satyabansahoo2000/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6c9e9b4d08f061064a5c35d11efa6c1b8bccf81dc55530d488bc7283006cf534 [INFO] running `Command { std: "docker" "start" "-a" "6c9e9b4d08f061064a5c35d11efa6c1b8bccf81dc55530d488bc7283006cf534", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6c9e9b4d08f061064a5c35d11efa6c1b8bccf81dc55530d488bc7283006cf534", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c9e9b4d08f061064a5c35d11efa6c1b8bccf81dc55530d488bc7283006cf534", kill_on_drop: false }` [INFO] [stdout] 6c9e9b4d08f061064a5c35d11efa6c1b8bccf81dc55530d488bc7283006cf534 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 29f652e8d3cc03abfa030e6e3d4057aa5aa8a408b13baf23bc4d9dac9c021a9d [INFO] running `Command { std: "docker" "start" "-a" "29f652e8d3cc03abfa030e6e3d4057aa5aa8a408b13baf23bc4d9dac9c021a9d", kill_on_drop: false }` [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Compiling serde_json v1.0.66 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking console v0.14.1 [INFO] [stderr] Checking clicolors-control v1.0.1 [INFO] [stderr] Checking termios v0.3.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking predicates v1.0.8 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking console v0.7.7 [INFO] [stderr] Checking indicatif v0.10.3 [INFO] [stderr] Checking rustlings v4.6.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking escargot v0.4.0 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/exercise.rs:109:20 [INFO] [stdout] | [INFO] [stdout] 109 | 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] 109 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [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:109:20 [INFO] [stdout] | [INFO] [stdout] 109 | 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] 109 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.97s [INFO] running `Command { std: "docker" "inspect" "29f652e8d3cc03abfa030e6e3d4057aa5aa8a408b13baf23bc4d9dac9c021a9d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "29f652e8d3cc03abfa030e6e3d4057aa5aa8a408b13baf23bc4d9dac9c021a9d", kill_on_drop: false }` [INFO] [stdout] 29f652e8d3cc03abfa030e6e3d4057aa5aa8a408b13baf23bc4d9dac9c021a9d