[INFO] cloning repository https://github.com/VielenDanke/rust_learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/VielenDanke/rust_learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVielenDanke%2Frust_learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVielenDanke%2Frust_learning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a286695f871eb9ff055d614fad042337cf5b7a89
[INFO] checking VielenDanke/rust_learning against master#c8551d3c63c51f290cf1dc9dc4714249ea849fd1 for pr-148946
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVielenDanke%2Frust_learning" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/VielenDanke/rust_learning
[INFO] finished tweaking git repo https://github.com/VielenDanke/rust_learning
[INFO] tweaked toml for git repo https://github.com/VielenDanke/rust_learning written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/VielenDanke/rust_learning on toolchain c8551d3c63c51f290cf1dc9dc4714249ea849fd1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/VielenDanke/rust_learning 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" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sval_nested v2.13.0
[INFO] [stderr]   Downloaded sval_buffer v2.13.0
[INFO] [stderr]   Downloaded sval_json v2.13.0
[INFO] [stderr]   Downloaded sval_ref v2.13.0
[INFO] [stderr]   Downloaded value-bag-sval2 v1.9.0
[INFO] [stderr]   Downloaded route-recognizer v0.2.0
[INFO] [stderr]   Downloaded value-bag-serde1 v1.9.0
[INFO] [stderr]   Downloaded async-session v2.0.1
[INFO] [stderr]   Downloaded async-dup v1.2.4
[INFO] [stderr]   Downloaded async-h1 v2.3.4
[INFO] [stderr]   Downloaded tide v0.16.0
[INFO] [stderr]   Downloaded toml v0.8.13
[INFO] [stderr]   Downloaded sval_dynamic v2.13.0
[INFO] [stderr]   Downloaded toml_edit v0.22.13
[INFO] [stderr]   Downloaded warp v0.3.7
[INFO] [stderr]   Downloaded async-sse v4.1.0
[INFO] [stderr]   Downloaded sval_serde v2.13.0
[INFO] [stderr]   Downloaded sval_fmt v2.13.0
[INFO] [stderr]   Downloaded sval v2.13.0
[INFO] [stderr]   Downloaded femme v2.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc9951294a3f9c38183620226c882bbb94142138e5d268a909db2c321553395c
[INFO] running `Command { std: "docker" "start" "-a" "dc9951294a3f9c38183620226c882bbb94142138e5d268a909db2c321553395c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc9951294a3f9c38183620226c882bbb94142138e5d268a909db2c321553395c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc9951294a3f9c38183620226c882bbb94142138e5d268a909db2c321553395c", kill_on_drop: false }`
[INFO] [stdout] dc9951294a3f9c38183620226c882bbb94142138e5d268a909db2c321553395c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2abac4f3b41ae768dc702c47036db0d72ef9716d06c0d626c2c2502d7a25c8ab
[INFO] running `Command { std: "docker" "start" "-a" "2abac4f3b41ae768dc702c47036db0d72ef9716d06c0d626c2c2502d7a25c8ab", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]     Checking typeid v1.0.0
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling bytes v1.6.0
[INFO] [stderr]     Checking futures-lite v2.3.0
[INFO] [stderr]     Checking event-listener v4.0.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking event-listener v5.3.0
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]     Checking event-listener-strategy v0.5.2
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking event-listener-strategy v0.4.0
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking async-lock v3.3.0
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking async-channel v2.3.1
[INFO] [stderr]     Checking piper v0.2.2
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]     Checking cpuid-bool v0.2.0
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling const_fn v0.4.10
[INFO] [stderr]     Checking polyval v0.4.5
[INFO] [stderr]     Checking async-executor v1.11.0
[INFO] [stderr]     Checking aes-soft v0.6.4
[INFO] [stderr]     Checking event-listener v3.1.0
[INFO] [stderr]     Checking blocking v1.6.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.10.0
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling uncased v0.9.10
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking ghash v0.3.1
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking aes v0.6.0
[INFO] [stderr]     Checking ctr v0.6.0
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]    Compiling cookie v0.18.1
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]     Checking hkdf v0.10.0
[INFO] [stderr]     Checking aes-gcm v0.8.0
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]    Compiling http-types v2.12.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]     Checking infer v0.2.3
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling zstd-safe v7.1.0
[INFO] [stderr]     Checking managing_projects v0.1.0 (/opt/rustwide/workdir/managing_projects)
[INFO] [stderr]     Checking headers v0.3.9
[INFO] [stderr]    Compiling jobserver v0.1.31
[INFO] [stdout] warning: function `calculate_product_cost` is never used
[INFO] [stdout]  --> managing_projects/src/service/product_service.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn calculate_product_cost(first_product: u32, second_product: u32) -> u32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fetch_products` is never used
[INFO] [stdout]  --> managing_projects/src/repository/mod.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn fetch_products() -> Vec<i32> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling is-terminal v0.4.12
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking parking_lot v0.12.2
[INFO] [stderr]    Compiling cc v1.0.95
[INFO] [stderr]     Checking io-lifetimes v1.0.11
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking rustix v0.37.27
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking brotli-decompressor v4.0.0
[INFO] [stderr]    Compiling bytestring v1.3.1
[INFO] [stderr]    Compiling stable-pattern v0.1.0
[INFO] [stderr]    Compiling multer v3.1.0
[INFO] [stderr]    Compiling figment v0.10.19
[INFO] [stderr]    Compiling either v1.12.0
[INFO] [stderr]     Checking zerocopy v0.7.34
[INFO] [stderr]    Compiling regex-lite v0.1.5
[INFO] [stderr]     Checking brotli v6.0.0
[INFO] [stderr]     Checking flate2 v1.0.30
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]     Checking async-dup v1.2.4
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]    Compiling rocket v0.5.1
[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/c8551d3c63c51f290cf1dc9dc4714249ea849fd1/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=ac04b7c405ba7d31 -C extra-filename=-128504d1794a089c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-cd783e91e9969cc7.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-6bde5cd1c8ecb660.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-f2de522ba645d884.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" "2abac4f3b41ae768dc702c47036db0d72ef9716d06c0d626c2c2502d7a25c8ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2abac4f3b41ae768dc702c47036db0d72ef9716d06c0d626c2c2502d7a25c8ab", kill_on_drop: false }`
[INFO] [stdout] 2abac4f3b41ae768dc702c47036db0d72ef9716d06c0d626c2c2502d7a25c8ab