[INFO] cloning repository https://github.com/chenhunghan/mlx-training-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chenhunghan/mlx-training-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenhunghan%2Fmlx-training-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenhunghan%2Fmlx-training-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3fd9a881bc3139d462b247ec33078a936d1fb6b5 [INFO] checking chenhunghan/mlx-training-rs against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenhunghan%2Fmlx-training-rs" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/chenhunghan/mlx-training-rs on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/chenhunghan/mlx-training-rs [INFO] finished tweaking git repo https://github.com/chenhunghan/mlx-training-rs [INFO] tweaked toml for git repo https://github.com/chenhunghan/mlx-training-rs written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/chenhunghan/mlx-training-rs 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded eventsource-stream v0.2.3 [INFO] [stderr] Downloaded backoff v0.4.0 [INFO] [stderr] Downloaded async-convert v1.0.0 [INFO] [stderr] Downloaded async-openai v0.18.0 [INFO] [stderr] Downloaded reqwest-eventsource v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 09b58784790a936112a944c510b97ed0589ace24a4ee7936de4582c7bc737b78 [INFO] running `Command { std: "docker" "start" "-a" "09b58784790a936112a944c510b97ed0589ace24a4ee7936de4582c7bc737b78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "09b58784790a936112a944c510b97ed0589ace24a4ee7936de4582c7bc737b78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "09b58784790a936112a944c510b97ed0589ace24a4ee7936de4582c7bc737b78", kill_on_drop: false }` [INFO] [stdout] 09b58784790a936112a944c510b97ed0589ace24a4ee7936de4582c7bc737b78 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2030ccc42621d70140266c6d7bc0fc6164564e7e6f41e65a2dc1eef38321bba3 [INFO] running `Command { std: "docker" "start" "-a" "2030ccc42621d70140266c6d7bc0fc6164564e7e6f41e65a2dc1eef38321bba3", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.152 [INFO] [stderr] Compiling serde v1.0.195 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Checking getrandom v0.2.11 [INFO] [stderr] Checking parking_lot_core v0.9.9 [INFO] [stderr] Checking mio v0.8.10 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Checking indexmap v2.1.0 [INFO] [stderr] Checking base64 v0.21.6 [INFO] [stderr] Compiling serde_json v1.0.111 [INFO] [stderr] Compiling rustix v0.38.28 [INFO] [stderr] Checking unicode-bidi v0.3.14 [INFO] [stderr] Checking linux-raw-sys v0.4.12 [INFO] [stderr] Checking anstream v0.6.5 [INFO] [stderr] Checking eventsource-stream v0.2.3 [INFO] [stderr] Checking zeroize v1.7.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking futures-timer v3.0.2 [INFO] [stderr] Checking rustls-pemfile v1.0.4 [INFO] [stderr] Checking tracing-subscriber v0.3.18 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rustls-native-certs v0.6.3 [INFO] [stderr] Checking idna v0.5.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking url v2.5.0 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Checking terminal_size v0.3.0 [INFO] [stderr] Checking clap_builder v4.4.14 [INFO] [stderr] Compiling ring v0.17.7 [INFO] [stderr] Compiling darling_core v0.14.4 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Compiling serde_derive v1.0.195 [INFO] [stderr] Compiling thiserror-impl v1.0.56 [INFO] [stderr] Compiling async-trait v0.1.77 [INFO] [stderr] Compiling clap_derive v4.4.7 [INFO] [stderr] Compiling rustls v0.21.10 [INFO] [stderr] Checking tokio v1.35.1 [INFO] [stderr] Checking async-convert v1.0.0 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking thiserror v1.0.56 [INFO] [stderr] Compiling darling_macro v0.14.4 [INFO] [stderr] Checking sct v0.7.1 [INFO] [stderr] Checking rustls-webpki v0.101.7 [INFO] [stderr] Checking clap v4.4.14 [INFO] [stderr] Compiling darling v0.14.4 [INFO] [stderr] Compiling derive_builder_core v0.12.0 [INFO] [stderr] Compiling derive_builder_macro v0.12.0 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking derive_builder v0.12.0 [INFO] [stderr] Checking tokio-util v0.7.10 [INFO] [stderr] Checking tokio-rustls v0.24.1 [INFO] [stderr] Checking backoff v0.4.0 [INFO] [stderr] Checking tokio-stream v0.1.14 [INFO] [stderr] Checking h2 v0.3.22 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking secrecy v0.8.0 [INFO] [stderr] Checking hyper v0.14.28 [INFO] [stderr] Checking hyper-rustls v0.24.2 [INFO] [stderr] Checking reqwest v0.11.23 [INFO] [stderr] Checking reqwest-eventsource v0.4.0 [INFO] [stderr] Checking async-openai v0.18.0 [INFO] [stderr] Checking mlx-training-rs v0.2.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_json` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_json` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.67s [INFO] running `Command { std: "docker" "inspect" "2030ccc42621d70140266c6d7bc0fc6164564e7e6f41e65a2dc1eef38321bba3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2030ccc42621d70140266c6d7bc0fc6164564e7e6f41e65a2dc1eef38321bba3", kill_on_drop: false }` [INFO] [stdout] 2030ccc42621d70140266c6d7bc0fc6164564e7e6f41e65a2dc1eef38321bba3 [INFO] checking chenhunghan/mlx-training-rs against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenhunghan%2Fmlx-training-rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/chenhunghan/mlx-training-rs on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/chenhunghan/mlx-training-rs [INFO] finished tweaking git repo https://github.com/chenhunghan/mlx-training-rs [INFO] tweaked toml for git repo https://github.com/chenhunghan/mlx-training-rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/chenhunghan/mlx-training-rs 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d5f8aa76035a14ccc0d9e80fb85d22261ec64601afcdd3484a874d618618a39a [INFO] running `Command { std: "docker" "start" "-a" "d5f8aa76035a14ccc0d9e80fb85d22261ec64601afcdd3484a874d618618a39a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d5f8aa76035a14ccc0d9e80fb85d22261ec64601afcdd3484a874d618618a39a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d5f8aa76035a14ccc0d9e80fb85d22261ec64601afcdd3484a874d618618a39a", kill_on_drop: false }` [INFO] [stdout] d5f8aa76035a14ccc0d9e80fb85d22261ec64601afcdd3484a874d618618a39a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 33be11a076541a8837eb87fbeb8b157ea303d105659952d2f09eb9d064462ced [INFO] running `Command { std: "docker" "start" "-a" "33be11a076541a8837eb87fbeb8b157ea303d105659952d2f09eb9d064462ced", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.152 [INFO] [stderr] Compiling serde v1.0.195 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Checking getrandom v0.2.11 [INFO] [stderr] Checking parking_lot_core v0.9.9 [INFO] [stderr] Checking mio v0.8.10 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Checking indexmap v2.1.0 [INFO] [stderr] Checking base64 v0.21.6 [INFO] [stderr] Checking unicode-bidi v0.3.14 [INFO] [stderr] Compiling serde_json v1.0.111 [INFO] [stderr] Compiling rustix v0.38.28 [INFO] [stderr] Checking linux-raw-sys v0.4.12 [INFO] [stderr] Checking anstream v0.6.5 [INFO] [stderr] Checking eventsource-stream v0.2.3 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking futures-timer v3.0.2 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking zeroize v1.7.0 [INFO] [stderr] Checking tracing-subscriber v0.3.18 [INFO] [stderr] Checking rustls-pemfile v1.0.4 [INFO] [stderr] Checking idna v0.5.0 [INFO] [stderr] Checking rustls-native-certs v0.6.3 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking url v2.5.0 [INFO] [stderr] Checking terminal_size v0.3.0 [INFO] [stderr] Checking clap_builder v4.4.14 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Compiling ring v0.17.7 [INFO] [stderr] Compiling darling_core v0.14.4 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Compiling serde_derive v1.0.195 [INFO] [stderr] Compiling thiserror-impl v1.0.56 [INFO] [stderr] Compiling async-trait v0.1.77 [INFO] [stderr] Compiling clap_derive v4.4.7 [INFO] [stderr] Compiling darling_macro v0.14.4 [INFO] [stderr] Checking tokio v1.35.1 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Compiling rustls v0.21.10 [INFO] [stderr] Compiling darling v0.14.4 [INFO] [stderr] Compiling derive_builder_core v0.12.0 [INFO] [stderr] Checking async-convert v1.0.0 [INFO] [stderr] Checking thiserror v1.0.56 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Compiling derive_builder_macro v0.12.0 [INFO] [stderr] Checking sct v0.7.1 [INFO] [stderr] Checking rustls-webpki v0.101.7 [INFO] [stderr] Checking clap v4.4.14 [INFO] [stderr] Checking derive_builder v0.12.0 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking tokio-util v0.7.10 [INFO] [stderr] Checking tokio-rustls v0.24.1 [INFO] [stderr] Checking backoff v0.4.0 [INFO] [stderr] Checking tokio-stream v0.1.14 [INFO] [stderr] Checking h2 v0.3.22 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking secrecy v0.8.0 [INFO] [stderr] Checking hyper v0.14.28 [INFO] [stderr] Checking hyper-rustls v0.24.2 [INFO] [stderr] Checking reqwest v0.11.23 [INFO] [stderr] Checking reqwest-eventsource v0.4.0 [INFO] [stderr] Checking async-openai v0.18.0 [INFO] [stderr] Checking mlx-training-rs v0.2.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_json` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_json` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.91s [INFO] running `Command { std: "docker" "inspect" "33be11a076541a8837eb87fbeb8b157ea303d105659952d2f09eb9d064462ced", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "33be11a076541a8837eb87fbeb8b157ea303d105659952d2f09eb9d064462ced", kill_on_drop: false }` [INFO] [stdout] 33be11a076541a8837eb87fbeb8b157ea303d105659952d2f09eb9d064462ced