[INFO] cloning repository https://github.com/rifainareswara/learn-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rifainareswara/learn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frifainareswara%2Flearn-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frifainareswara%2Flearn-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37d29c105cacdfba6ba1cc44ba38e0e7c8b0d982
[INFO] checking rifainareswara/learn-rust against try#b28cc4eb48a6415b914e8ad0308be255ff8d73ed for pr-156508
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frifainareswara%2Flearn-rust" "/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/rifainareswara/learn-rust
[INFO] finished tweaking git repo https://github.com/rifainareswara/learn-rust
[INFO] tweaked toml for git repo https://github.com/rifainareswara/learn-rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rifainareswara/learn-rust on toolchain b28cc4eb48a6415b914e8ad0308be255ff8d73ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rifainareswara/learn-rust 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" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd20de8ef76f3e3a87c13be8e964eed5849f2e7638fcab2d2e10da22d5e10063
[INFO] running `Command { std: "docker" "start" "-a" "dd20de8ef76f3e3a87c13be8e964eed5849f2e7638fcab2d2e10da22d5e10063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd20de8ef76f3e3a87c13be8e964eed5849f2e7638fcab2d2e10da22d5e10063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd20de8ef76f3e3a87c13be8e964eed5849f2e7638fcab2d2e10da22d5e10063", kill_on_drop: false }`
[INFO] [stdout] dd20de8ef76f3e3a87c13be8e964eed5849f2e7638fcab2d2e10da22d5e10063
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f4eacb6152328923aa38b8b52067a5e96b4bad63fa307d2a8fa263d2b251e85
[INFO] running `Command { std: "docker" "start" "-a" "9f4eacb6152328923aa38b8b52067a5e96b4bad63fa307d2a8fa263d2b251e85", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.185
[INFO] [stderr]    Compiling icu_properties_data v2.2.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling icu_normalizer_data v2.2.0
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling cc v1.2.60
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling litemap v0.8.2
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling writeable v0.6.3
[INFO] [stderr]     Checking futures-sink v0.3.32
[INFO] [stderr]    Compiling futures-core v0.3.32
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]     Checking http v1.4.0
[INFO] [stderr]    Compiling futures-io v0.3.32
[INFO] [stderr]    Compiling bytes v1.11.1
[INFO] [stderr]    Compiling futures-task v0.3.32
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]     Checking futures-channel v0.3.32
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling atoi v2.0.0
[INFO] [stderr]    Compiling crc v3.4.0
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling socket2 v0.6.3
[INFO] [stderr]    Compiling mio v1.2.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling libsqlite3-sys v0.27.0
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]    Compiling tokio v1.52.0
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling sqlformat v0.2.6
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling futures-intrusive v0.5.0
[INFO] [stderr]    Compiling bitflags v2.11.1
[INFO] [stderr]    Compiling webpki-roots v0.25.4
[INFO] [stderr]    Compiling flume v0.11.1
[INFO] [stderr]    Compiling unicode-segmentation v1.13.2
[INFO] [stderr]    Compiling urlencoding v2.1.3
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]    Compiling fastrand v2.4.1
[INFO] [stderr]     Checking indexmap v2.14.0
[INFO] [stderr]    Compiling futures-executor v0.3.32
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]     Checking serde_path_to_error v0.1.20
[INFO] [stderr]     Checking matchit v0.7.3
[INFO] [stderr]     Checking modul_04_intermediate v0.1.0 (/opt/rustwide/workdir/04_intermediate)
[INFO] [stdout] warning: unused variable: `buah`
[INFO] [stdout]   --> 04_intermediate/src/bin/latihan.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let buah = vec!["apel", "mangga", "durian", "jeruk", "semangka"];
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_buah`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> 04_intermediate/src/bin/latihan.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let mut nilai: HashMap<String, Vec<u32>> = HashMap::new();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nilai`
[INFO] [stdout]   --> 04_intermediate/src/bin/latihan.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let mut nilai: HashMap<String, Vec<u32>> = HashMap::new();
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_nilai`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking modul_03_structs_enums v0.1.0 (/opt/rustwide/workdir/03_structs_enums)
[INFO] [stderr]     Checking modul_01_dasar_rust v0.1.0 (/opt/rustwide/workdir/01_dasar_rust)
[INFO] [stderr]     Checking modul_02_ownership v0.1.0 (/opt/rustwide/workdir/02_ownership)
[INFO] [stdout] warning: field `konten` is never read
[INFO] [stdout]   --> 04_intermediate/src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct Artikel {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 21 |     konten: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kalimat`
[INFO] [stdout]   --> 02_ownership/src/bin/latihan.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let kalimat = String::from("Belajar Rust sangat menyenangkan");
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_kalimat`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> 02_ownership/src/bin/latihan.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let mut angka: Vec<i32> = Vec::new();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `angka`
[INFO] [stdout]   --> 02_ownership/src/bin/latihan.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let mut angka: Vec<i32> = Vec::new();
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_angka`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> 02_ownership/src/bin/latihan.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let data = vec![4.5, 8.2, 1.1, 9.7, 3.3, 6.6, 2.0];
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking modul_05_modern_rust v0.1.0 (/opt/rustwide/workdir/05_modern_rust)
[INFO] [stdout] warning: field `konten` is never read
[INFO] [stdout]   --> 04_intermediate/src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct Artikel {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 21 |     konten: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kalimat`
[INFO] [stdout]   --> 02_ownership/src/bin/latihan.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let kalimat = String::from("Belajar Rust sangat menyenangkan");
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_kalimat`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> 02_ownership/src/bin/latihan.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let mut angka: Vec<i32> = Vec::new();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `angka`
[INFO] [stdout]   --> 02_ownership/src/bin/latihan.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let mut angka: Vec<i32> = Vec::new();
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_angka`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> 02_ownership/src/bin/latihan.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let data = vec![4.5, 8.2, 1.1, 9.7, 3.3, 6.6, 2.0];
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `active` is never read
[INFO] [stdout]   --> 03_structs_enums/src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | struct User {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 10 |     active: bool,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buah`
[INFO] [stdout]   --> 04_intermediate/src/bin/latihan.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let buah = vec!["apel", "mangga", "durian", "jeruk", "semangka"];
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_buah`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> 04_intermediate/src/bin/latihan.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let mut nilai: HashMap<String, Vec<u32>> = HashMap::new();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nilai`
[INFO] [stdout]   --> 04_intermediate/src/bin/latihan.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let mut nilai: HashMap<String, Vec<u32>> = HashMap::new();
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_nilai`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `active` is never read
[INFO] [stdout]   --> 03_structs_enums/src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | struct User {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 10 |     active: bool,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/b28cc4eb48a6415b914e8ad0308be255ff8d73ed/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.117/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=a6cbe013049716b7 -C extra-filename=-d60246c149cb9b3f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-774d2fb1b129607b.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-e79a3b083d919da9.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-af4dab7b77cddc19.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9f4eacb6152328923aa38b8b52067a5e96b4bad63fa307d2a8fa263d2b251e85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f4eacb6152328923aa38b8b52067a5e96b4bad63fa307d2a8fa263d2b251e85", kill_on_drop: false }`
[INFO] [stdout] 9f4eacb6152328923aa38b8b52067a5e96b4bad63fa307d2a8fa263d2b251e85
