[INFO] cloning repository https://github.com/andrewhcook/Language-Learning-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andrewhcook/Language-Learning-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewhcook%2FLanguage-Learning-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewhcook%2FLanguage-Learning-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae5598eca77fc1a5ab58359a8ab77a889098341b
[INFO] checking andrewhcook/Language-Learning-Rust against master#c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2 for pr-142712
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewhcook%2FLanguage-Learning-Rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/andrewhcook/Language-Learning-Rust
[INFO] finished tweaking git repo https://github.com/andrewhcook/Language-Learning-Rust
[INFO] tweaked toml for git repo https://github.com/andrewhcook/Language-Learning-Rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/andrewhcook/Language-Learning-Rust on toolchain c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/andrewhcook/Language-Learning-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" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba2fd87e1845feca1812b95dc54c2565d09cb1936416deb381eb2c352e773044
[INFO] running `Command { std: "docker" "start" "-a" "ba2fd87e1845feca1812b95dc54c2565d09cb1936416deb381eb2c352e773044", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba2fd87e1845feca1812b95dc54c2565d09cb1936416deb381eb2c352e773044", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba2fd87e1845feca1812b95dc54c2565d09cb1936416deb381eb2c352e773044", kill_on_drop: false }`
[INFO] [stdout] ba2fd87e1845feca1812b95dc54c2565d09cb1936416deb381eb2c352e773044
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 144e5807bbec533112debc8f411efb2b480c5bc54e78fb58e046db158b792f00
[INFO] running `Command { std: "docker" "start" "-a" "144e5807bbec533112debc8f411efb2b480c5bc54e78fb58e046db158b792f00", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling cc v1.0.95
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling serde v1.0.199
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling serde_json v1.0.116
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling thiserror v1.0.59
[INFO] [stderr]     Checking allocator-api2 v0.2.18
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling untrusted v0.9.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]    Compiling rustversion v1.0.15
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking parking_lot v0.12.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]    Compiling unicode-bidi v0.3.15
[INFO] [stderr]     Checking http-body v1.0.0
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling openssl-sys v0.9.102
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]     Checking try-lock v0.2.5
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]    Compiling crc-catalog v2.4.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]    Compiling tokio v1.37.0
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling crossbeam-queue v0.3.11
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling crc v3.2.1
[INFO] [stderr]    Compiling url v2.5.0
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling atoi v2.0.0
[INFO] [stderr]    Compiling rustls-pemfile v1.0.4
[INFO] [stderr]    Compiling futures-intrusive v0.5.0
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling hashlink v0.8.4
[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/c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.60/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="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=033025155d139f31 -C extra-filename=-328e5fff86469752 --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" "144e5807bbec533112debc8f411efb2b480c5bc54e78fb58e046db158b792f00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "144e5807bbec533112debc8f411efb2b480c5bc54e78fb58e046db158b792f00", kill_on_drop: false }`
[INFO] [stdout] 144e5807bbec533112debc8f411efb2b480c5bc54e78fb58e046db158b792f00