[INFO] cloning repository https://github.com/kjfootman/jm_math
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kjfootman/jm_math" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkjfootman%2Fjm_math", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkjfootman%2Fjm_math'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fb201ec7360a8d5059ba76ccd87007b5e9117cfa
[INFO] testing kjfootman/jm_math against beta-2025-04-13 for beta-1.87-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkjfootman%2Fjm_math" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kjfootman/jm_math on toolchain beta-2025-04-13
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kjfootman/jm_math
[INFO] finished tweaking git repo https://github.com/kjfootman/jm_math
[INFO] tweaked toml for git repo https://github.com/kjfootman/jm_math written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kjfootman/jm_math 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" "+beta-2025-04-13" "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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34e6942e0541bb06aa7d8cca3f7d4092ca1efb31252706a1672d299ee638e1d7
[INFO] running `Command { std: "docker" "start" "-a" "34e6942e0541bb06aa7d8cca3f7d4092ca1efb31252706a1672d299ee638e1d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34e6942e0541bb06aa7d8cca3f7d4092ca1efb31252706a1672d299ee638e1d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34e6942e0541bb06aa7d8cca3f7d4092ca1efb31252706a1672d299ee638e1d7", kill_on_drop: false }`
[INFO] [stdout] 34e6942e0541bb06aa7d8cca3f7d4092ca1efb31252706a1672d299ee638e1d7
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 470a6324d8977dd51d57f6fdc7ed74b8b9f562934d4f05b83afd8695c7c7fb32
[INFO] running `Command { std: "docker" "start" "-a" "470a6324d8977dd51d57f6fdc7ed74b8b9f562934d4f05b83afd8695c7c7fb32", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling katexit v0.1.4
[INFO] [stderr]    Compiling jm_math v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `GS` is never constructed
[INFO] [stdout]  --> src/linear_algebra/msolver/gauss_seidel.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct GS {}
[INFO] [stdout]   |            ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.62s
[INFO] running `Command { std: "docker" "inspect" "470a6324d8977dd51d57f6fdc7ed74b8b9f562934d4f05b83afd8695c7c7fb32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "470a6324d8977dd51d57f6fdc7ed74b8b9f562934d4f05b83afd8695c7c7fb32", kill_on_drop: false }`
[INFO] [stdout] 470a6324d8977dd51d57f6fdc7ed74b8b9f562934d4f05b83afd8695c7c7fb32
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c476a8b7cd8b2c18b8de8537498b283babad96fe4b24d08ea7de541d13a5f713
[INFO] running `Command { std: "docker" "start" "-a" "c476a8b7cd8b2c18b8de8537498b283babad96fe4b24d08ea7de541d13a5f713", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling zerocopy v0.8.24
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling anyhow v1.0.97
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling destructure_traitobject v0.2.0
[INFO] [stderr]    Compiling unsafe-any-ors v1.0.0
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.63
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ordered-float v2.10.1
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.11
[INFO] [stderr]    Compiling chrono v0.4.40
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling thread-id v4.2.2
[INFO] [stderr]    Compiling typemap-ors v1.0.0
[INFO] [stderr]    Compiling humantime v2.2.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling arc-swap v1.7.1
[INFO] [stderr]    Compiling log-mdc v0.1.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling katexit v0.1.4
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling serde_yaml v0.9.34+deprecated
[INFO] [stderr]    Compiling serde-value v0.7.0
[INFO] [stderr]    Compiling jm_math v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `GS` is never constructed
[INFO] [stdout]  --> src/linear_algebra/msolver/gauss_seidel.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct GS {}
[INFO] [stdout]   |            ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling log4rs v1.3.0
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/tmp/rustcHc8jpc/symbols.o" "<3 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{liblog4rs-697710d4fd58bd05.rlib,liblog_mdc-0af972c42f90557b.rlib,libserde_json-da3e448958607101.rlib,libmemchr-eec2dd93b0d498c5.rlib,libthread_id-c7946eac3e40cf5a.rlib,libhumantime-460ba1301d12ab86.rlib,libserde_yaml-eaf665543cdc72e2.rlib,libryu-a7164637bc4900ee.rlib,libitoa-ef40fa516293a9d3.rlib,libindexmap-204f1b60a4f7a99b.rlib,libequivalent-6a754676e6af62ae.rlib,libhashbrown-acdfbba63b345327.rlib,libunsafe_libyaml-d3127b66fe569cc5.rlib,libonce_cell-e9252a7b5119f3eb.rlib,libtypemap_ors-e1293b6c54d09c35.rlib,libunsafe_any_ors-f8b1b2073a1e0fe5.rlib,libdestructure_traitobject-2a73a5a4a6ad768f.rlib,libthiserror-cb43b4fcdd42c2c5.rlib,librand-37e6b120090bcfe1.rlib,librand_chacha-143944e4a4276f43.rlib,libppv_lite86-3b80e743de8809c2.rlib,libzerocopy-ebd6951bf1b34522.rlib,librand_core-f2c073c5710df816.rlib,libgetrandom-1cc14e608d8a3b7d.rlib,libchrono-ca0cf96b1e593267.rlib,libiana_time_zone-7ebdf60e360da8b0.rlib,libanyhow-7db2824f938db4bb.rlib,libparking_lot-2534463be5260143.rlib,libparking_lot_core-93028ad821e864e3.rlib,liblibc-a41a1e83635ee169.rlib,libcfg_if-3e7fc4e38d4a72b5.rlib,libsmallvec-7dacfa6d1bc40eb6.rlib,liblock_api-cec8690087847b60.rlib,libscopeguard-7ec2214574194454.rlib,libserde_value-86167743a425f769.rlib,libordered_float-f57cd7a0118953d9.rlib,libnum_traits-9ae3bd34902b5896.rlib,libfnv-79e2cbfbe03dcd16.rlib,libarc_swap-fbe5a56bc5bc5547.rlib}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libtest-*,libgetopts-*,libunicode_width-*,librustc_std_workspace_std-*}.rlib" "/opt/rustwide/target/debug/deps/{libjm_math-5cf556f7d429e66d.rlib,liblog-eaadccf550a3ef8c.rlib,libserde-8b60c1c4c5565f35.rlib,librayon-54f15a6bcc0660fa.rlib,librayon_core-a8f0409eab81ad61.rlib,libcrossbeam_deque-a1f80364e109b77c.rlib,libcrossbeam_epoch-6a84352539b82119.rlib,libcrossbeam_utils-84db68988268cba6.rlib,libeither-40b894c145b6eae5.rlib}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,libcfg_if-*,liblibc-*,liballoc-*,librustc_std_workspace_core-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustcHc8jpc/raw-dylibs" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/preconditioner_test-33e564a1f257c5cf" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: collect2: fatal error: ld terminated with signal 9 [Killed]
[INFO] [stdout]           compilation terminated.
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jm_math` (test "preconditioner_test") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: struct `GS` is never constructed
[INFO] [stdout]  --> src/linear_algebra/msolver/gauss_seidel.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct GS {}
[INFO] [stdout]   |            ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c476a8b7cd8b2c18b8de8537498b283babad96fe4b24d08ea7de541d13a5f713", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c476a8b7cd8b2c18b8de8537498b283babad96fe4b24d08ea7de541d13a5f713", kill_on_drop: false }`
[INFO] [stdout] c476a8b7cd8b2c18b8de8537498b283babad96fe4b24d08ea7de541d13a5f713