[INFO] cloning repository https://github.com/hustxiaoc/learningrust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hustxiaoc/learningrust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhustxiaoc%2Flearningrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhustxiaoc%2Flearningrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c6691af2a79ab7126852529c3dd0009ac82a739
[INFO] checking hustxiaoc/learningrust against master#7dc9ff5c629753b6930ecfe9a0446538b8e25fb7 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhustxiaoc%2Flearningrust" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hustxiaoc/learningrust on toolchain 7dc9ff5c629753b6930ecfe9a0446538b8e25fb7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hustxiaoc/learningrust
[INFO] finished tweaking git repo https://github.com/hustxiaoc/learningrust
[INFO] tweaked toml for git repo https://github.com/hustxiaoc/learningrust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
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[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be0768054d9bfde0062e9f1f27323a41301cf7326ff7bb8ba8bf128a89352475
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "be0768054d9bfde0062e9f1f27323a41301cf7326ff7bb8ba8bf128a89352475", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be0768054d9bfde0062e9f1f27323a41301cf7326ff7bb8ba8bf128a89352475", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be0768054d9bfde0062e9f1f27323a41301cf7326ff7bb8ba8bf128a89352475", kill_on_drop: false }`
[INFO] [stdout] be0768054d9bfde0062e9f1f27323a41301cf7326ff7bb8ba8bf128a89352475
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d527f3e484fa53cd9ca0c4fa6e786c3a9327e03376bfb403d91e0d5d0acf601
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5d527f3e484fa53cd9ca0c4fa6e786c3a9327e03376bfb403d91e0d5d0acf601", kill_on_drop: false }`
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[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking polyval v0.4.5
[INFO] [stderr]     Checking aes-soft v0.6.4
[INFO] [stderr]     Checking ctr v0.6.0
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking ghash v0.3.1
[INFO] [stderr]     Checking aes v0.6.0
[INFO] [stderr]     Checking hkdf v0.10.0
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]     Checking aes-gcm v0.8.0
[INFO] [stderr]    Compiling sqlformat v0.1.6
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling async-stream-impl v0.2.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling async_init v0.1.0 (/opt/rustwide/workdir/crates/async_init)
[INFO] [stdout] warning: unused import: `syn::punctuated::Punctuated`
[INFO] [stdout]  --> crates/async_init/src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use syn::punctuated::Punctuated;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn::token::Comma`
[INFO] [stdout]  --> crates/async_init/src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use syn::token::Comma;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AttributeArgs`, `DataStruct`, `Data`, `DeriveInput`, `Fields`, `Meta`, `NestedMeta`, `PatType`, `Pat`, `Type`
[INFO] [stdout]  --> crates/async_init/src/lib.rs:5:30
[INFO] [stdout]   |
[INFO] [stdout] 5 | use syn::{ parse_macro_input,Pat,Type,  PatType, DeriveInput, NestedMeta, Meta, Data, Fields, ItemFn, FnArg, AttributeArgs, DataStruct };
[INFO] [stdout]   |                              ^^^ ^^^^   ^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^^  ^^^^  ^^^^  ^^^^^^                 ^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `format_ident`
[INFO] [stdout]  --> crates/async_init/src/lib.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 | use quote::{ quote, format_ident};
[INFO] [stdout]   |                     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Span`
[INFO] [stdout]  --> crates/async_init/src/lib.rs:7:26
[INFO] [stdout]   |
[INFO] [stdout] 7 | use proc_macro2::{Ident, Span};
[INFO] [stdout]   |                          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `inflector::Inflector`
[INFO] [stdout]  --> crates/async_init/src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use inflector::Inflector;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> crates/async_init/src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `resultType` should have a snake case name
[INFO] [stdout]   --> crates/async_init/src/lib.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let resultType = Ident::new(&caps[1], func_name.span());
[INFO] [stdout]    |         ^^^^^^^^^^ help: convert the identifier to snake case: `result_type`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serde_derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde_derive /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_derive-1.0.126/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=76198e8aef00af23 -C extra-filename=-76198e8aef00af23 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-223cc1bf4c7d615f.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-9c9c6fb7ecc8d1ce.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-393059a8391cb2a1.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid --cfg underscore_consts` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5d527f3e484fa53cd9ca0c4fa6e786c3a9327e03376bfb403d91e0d5d0acf601", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d527f3e484fa53cd9ca0c4fa6e786c3a9327e03376bfb403d91e0d5d0acf601", kill_on_drop: false }`
[INFO] [stdout] 5d527f3e484fa53cd9ca0c4fa6e786c3a9327e03376bfb403d91e0d5d0acf601