[INFO] cloning repository https://github.com/sshwy/pku3b
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sshwy/pku3b" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsshwy%2Fpku3b", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsshwy%2Fpku3b'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7b14fa6a63893de2a0e27e9afa5be4ba6a975256
[INFO] checking sshwy/pku3b against try#349c4bfa6ac87b818f6fd19d4869c0b24790ac6a for pr-152856
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsshwy%2Fpku3b" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sshwy/pku3b
[INFO] finished tweaking git repo https://github.com/sshwy/pku3b
[INFO] tweaked toml for git repo https://github.com/sshwy/pku3b written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sshwy/pku3b on toolchain 349c4bfa6ac87b818f6fd19d4869c0b24790ac6a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+349c4bfa6ac87b818f6fd19d4869c0b24790ac6a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sshwy/pku3b 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" "+349c4bfa6ac87b818f6fd19d4869c0b24790ac6a" "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-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+349c4bfa6ac87b818f6fd19d4869c0b24790ac6a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84db59050c6584e2d354392ce4c53d0eb5d53eadfa909bbfe7854564d75b1308
[INFO] running `Command { std: "docker" "start" "-a" "84db59050c6584e2d354392ce4c53d0eb5d53eadfa909bbfe7854564d75b1308", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84db59050c6584e2d354392ce4c53d0eb5d53eadfa909bbfe7854564d75b1308", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84db59050c6584e2d354392ce4c53d0eb5d53eadfa909bbfe7854564d75b1308", kill_on_drop: false }`
[INFO] [stdout] 84db59050c6584e2d354392ce4c53d0eb5d53eadfa909bbfe7854564d75b1308
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+349c4bfa6ac87b818f6fd19d4869c0b24790ac6a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcd0ed88e00e4b21cf53475c0cfd2e6e12f584c79502323607f2aee5c72ad452
[INFO] running `Command { std: "docker" "start" "-a" "dcd0ed88e00e4b21cf53475c0cfd2e6e12f584c79502323607f2aee5c72ad452", kill_on_drop: false }`
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling siphasher v1.0.2
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]     Checking socket2 v0.6.2
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]     Checking compio-buf v0.7.2
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking new_debug_unreachable v1.0.6
[INFO] [stderr]     Checking linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling compio-driver v0.10.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling zerocopy v0.8.36
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]    Compiling rustls v0.23.36
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking core_affinity v0.8.3
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]     Checking flume v0.11.1
[INFO] [stderr]     Checking compio-log v0.1.0
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.34
[INFO] [stderr]     Checking phf_shared v0.11.3
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking http v1.4.0
[INFO] [stderr]     Checking as-slice v0.2.1
[INFO] [stderr]    Compiling time-macros v0.2.26
[INFO] [stderr]    Compiling compio-fs v0.10.0
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking mio v1.1.1
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling zmij v1.0.17
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]    Compiling av-scenechange v0.14.1
[INFO] [stderr]    Compiling tz-rs v0.7.3
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]    Compiling built v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]    Compiling string_cache_codegen v0.5.4
[INFO] [stderr]     Checking futf v0.1.5
[INFO] [stderr]    Compiling deranged v0.5.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking aligned v0.4.3
[INFO] [stderr]    Compiling toml_edit v0.23.10+spec-1.0.0
[INFO] [stderr]     Checking block-padding v0.3.3
[INFO] [stderr]     Checking os_pipe v1.2.3
[INFO] [stderr]     Checking core2 v0.4.0
[INFO] [stderr]     Checking nom v8.0.0
[INFO] [stderr]     Checking tokio v1.49.0
[INFO] [stderr]    Compiling pastey v0.1.1
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]    Compiling iana-time-zone v0.1.65
[INFO] [stderr]    Compiling rav1e v0.8.1
[INFO] [stderr]    Compiling markup5ever v0.14.1
[INFO] [stderr]    Compiling tzdb_data v0.2.3
[INFO] [stderr]     Checking y4m v0.8.0
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]    Compiling num_threads v0.1.7
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]     Checking dtoa v1.0.11
[INFO] [stderr]    Compiling itoa v1.0.17
[INFO] [stderr]    Compiling const_format v0.2.35
[INFO] [stderr]     Checking tendril v0.4.3
[INFO] [stderr]     Checking bitstream-io v4.9.0
[INFO] [stderr]     Checking dtoa-short v0.3.5
[INFO] [stderr]     Checking signal-hook v0.3.18
[INFO] [stderr]    Compiling cc v1.2.55
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stderr]     Checking inout v0.1.4
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]    Compiling selectors v0.26.0
[INFO] [stderr]     Checking maybe-rayon v0.1.1
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking time v0.3.46
[INFO] [stderr]     Checking imgref v1.12.0
[INFO] [stderr]    Compiling noop_proc_macro v0.3.0
[INFO] [stderr]     Checking psl-types v2.0.11
[INFO] [stderr]     Checking zune-core v0.4.12
[INFO] [stderr]    Compiling is_debug v1.1.0
[INFO] [stderr]     Checking loop9 v0.1.5
[INFO] [stderr]     Checking signal-hook-mio v0.2.5
[INFO] [stderr]     Checking rustls-native-certs v0.8.3
[INFO] [stderr]     Checking rand_core v0.9.5
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]     Checking servo_arc v0.4.3
[INFO] [stderr]     Checking zune-inflate v0.2.54
[INFO] [stderr]     Checking zune-jpeg v0.4.21
[INFO] [stderr]     Checking pxfm v0.1.27
[INFO] [stderr]     Checking send_wrapper v0.6.0
[INFO] [stderr]     Checking avif-serialize v0.8.6
[INFO] [stderr]     Checking bytemuck v1.24.0
[INFO] [stderr]     Checking rgb v0.8.52
[INFO] [stderr]    Compiling cmake v0.1.57
[INFO] [stderr]     Checking bit_field v0.10.3
[INFO] [stderr]     Checking byteorder-lite v0.1.0
[INFO] [stderr]     Checking zune-core v0.5.1
[INFO] [stderr]     Checking lebe v0.5.3
[INFO] [stderr]     Checking zune-jpeg v0.5.12
[INFO] [stderr]     Checking hyper v1.8.1
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking image-webp v0.2.4
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking dirs-sys v0.5.0
[INFO] [stderr]     Checking console v0.15.11
[INFO] [stderr]     Checking polling v3.11.0
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]    Compiling aws-lc-sys v0.37.0
[INFO] [stderr]     Checking crossterm v0.25.0
[INFO] [stderr]     Checking gif v0.14.1
[INFO] [stderr]     Checking cookie v0.18.1
[INFO] [stderr]    Compiling tzdb v0.7.3
[INFO] [stderr]     Checking png v0.18.0
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]     Checking chrono v0.4.43
[INFO] [stderr]     Checking env_filter v0.1.4
[INFO] [stderr]     Checking ego-tree v0.10.0
[INFO] [stderr]     Checking env_logger v0.11.8
[INFO] [stderr]     Checking indicatif v0.17.11
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking inquire v0.7.5
[INFO] [stderr]     Checking directories v6.0.0
[INFO] [stderr]     Checking cbc v0.1.2
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling shadow-rs v1.7.0
[INFO] [stderr]     Checking m3u8-rs v6.0.0
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]    Compiling zerovec-derive v0.11.2
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling zerocopy-derive v0.8.36
[INFO] [stderr]    Compiling equator-macro v0.4.2
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling phf_macros v0.11.3
[INFO] [stderr]    Compiling arg_enum_proc_macro v0.3.4
[INFO] [stderr]    Compiling profiling-procmacros v1.0.17
[INFO] [stderr]     Checking profiling v1.0.17
[INFO] [stderr]    Compiling compio-macros v0.1.2
[INFO] [stderr]    Compiling cssparser-macros v0.6.1
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]     Checking equator v0.4.2
[INFO] [stderr]     Checking phf v0.11.3
[INFO] [stderr]    Compiling fax_derive v0.2.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling match_token v0.1.0
[INFO] [stderr]     Checking cssparser v0.34.0
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]     Checking aligned-vec v0.6.4
[INFO] [stderr]    Compiling pku3b v0.10.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking v_frame v0.3.9
[INFO] [stderr]     Checking moxcms v0.7.11
[INFO] [stderr]     Checking thiserror v2.0.18
[INFO] [stderr]    Compiling clap_derive v4.5.55
[INFO] [stderr]     Checking av1-grain v0.2.5
[INFO] [stderr]     Checking fax v0.2.6
[INFO] [stderr]     Checking async-stream v0.3.6
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking yoke v0.8.1
[INFO] [stderr]     Checking zerovec v0.11.5
[INFO] [stderr]     Checking zerotrie v0.2.3
[INFO] [stderr]     Checking tinystr v0.8.2
[INFO] [stderr]     Checking potential_utf v0.1.4
[INFO] [stderr]     Checking icu_locale_core v2.1.1
[INFO] [stderr]     Checking icu_collections v2.1.1
[INFO] [stderr]     Checking clap v4.5.56
[INFO] [stderr]     Checking compio-io v0.8.4
[INFO] [stderr]     Checking hyper-util v0.1.19
[INFO] [stderr]     Checking string_cache v0.8.9
[INFO] [stderr]     Checking compio-runtime v0.10.1
[INFO] [stderr]     Checking serde_spanned v0.6.9
[INFO] [stderr]     Checking toml_datetime v0.6.11
[INFO] [stderr]     Checking icu_provider v2.1.1
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking toml_edit v0.22.27
[INFO] [stderr]     Checking icu_properties v2.1.2
[INFO] [stderr]     Checking icu_normalizer v2.1.1
[INFO] [stderr]     Checking compio-process v0.7.0
[INFO] [stderr]     Checking compio-net v0.10.0
[INFO] [stderr]     Checking html5ever v0.29.1
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking url v2.5.8
[INFO] [stderr]     Checking publicsuffix v2.3.0
[INFO] [stderr]     Checking toml v0.8.23
[INFO] [stderr]     Checking cookie_store v0.22.0
[INFO] [stderr]     Checking scraper v0.23.1
[INFO] [stderr]     Checking half v2.7.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking tiff v0.10.3
[INFO] [stderr]     Checking exr v1.74.0
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking ravif v0.12.0
[INFO] [stderr]     Checking image v0.25.9
[INFO] [stderr]    Compiling aws-lc-rs v1.15.4
[INFO] [stderr]     Checking rustls-webpki v0.103.9
[INFO] [stderr]     Checking futures-rustls v0.26.0
[INFO] [stderr]     Checking rustls-platform-verifier v0.6.2
[INFO] [stderr]     Checking compio-tls v0.8.0
[INFO] [stderr]     Checking compio v0.17.0
[INFO] [stderr]     Checking cyper-core v0.7.1
[INFO] [stderr]     Checking cyper v0.7.1
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/api/low_level/syllabus.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/api/low_level/syllabus.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 41s
[INFO] running `Command { std: "docker" "inspect" "dcd0ed88e00e4b21cf53475c0cfd2e6e12f584c79502323607f2aee5c72ad452", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcd0ed88e00e4b21cf53475c0cfd2e6e12f584c79502323607f2aee5c72ad452", kill_on_drop: false }`
[INFO] [stdout] dcd0ed88e00e4b21cf53475c0cfd2e6e12f584c79502323607f2aee5c72ad452