[INFO] cloning repository https://github.com/Romira915/combinatorial_optimization_solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Romira915/combinatorial_optimization_solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRomira915%2Fcombinatorial_optimization_solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRomira915%2Fcombinatorial_optimization_solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5971b77cc6b3ad236146811839661d67ba4ba994
[INFO] testing Romira915/combinatorial_optimization_solver/5971b77cc6b3ad236146811839661d67ba4ba994 against try#613d1972a772987ed4ee06faccbab0e2fc839871+rustflags=-Copt-level=3 for pr-107051
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRomira915%2Fcombinatorial_optimization_solver" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/Romira915/combinatorial_optimization_solver on toolchain 613d1972a772987ed4ee06faccbab0e2fc839871
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Romira915/combinatorial_optimization_solver
[INFO] finished tweaking git repo https://github.com/Romira915/combinatorial_optimization_solver
[INFO] tweaked toml for git repo https://github.com/Romira915/combinatorial_optimization_solver written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Romira915/combinatorial_optimization_solver 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" "+613d1972a772987ed4ee06faccbab0e2fc839871" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e49e1faeb336187d75b43251b09496319da44df601b2fd9ee7a60c3f5057828
[INFO] running `Command { std: "docker" "start" "-a" "3e49e1faeb336187d75b43251b09496319da44df601b2fd9ee7a60c3f5057828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e49e1faeb336187d75b43251b09496319da44df601b2fd9ee7a60c3f5057828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e49e1faeb336187d75b43251b09496319da44df601b2fd9ee7a60c3f5057828", kill_on_drop: false }`
[INFO] [stdout] 3e49e1faeb336187d75b43251b09496319da44df601b2fd9ee7a60c3f5057828
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Copt-level=3" "-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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5bae0b266a1a20fb7816181360f144bcd075dfbd0d6162a3b6856f70e553189
[INFO] running `Command { std: "docker" "start" "-a" "a5bae0b266a1a20fb7816181360f144bcd075dfbd0d6162a3b6856f70e553189", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling futures-sink v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling futures-io v0.3.16
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling slab v0.4.4
[INFO] [stderr]    Compiling tinyvec v1.3.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling mio v0.8.4
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling cpufeatures v0.1.5
[INFO] [stderr]    Compiling httpdate v1.0.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling http-body v0.4.3
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling matrixmultiply v0.3.1
[INFO] [stderr]    Compiling lapack-sys v0.12.1
[INFO] [stderr]    Compiling cblas-sys v0.1.4
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling input_buffer v0.3.1
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling sha-1 v0.9.7
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling serenity v0.10.8
[INFO] [stderr]    Compiling ipnet v2.3.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling tungstenite v0.11.1
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling rand_distr v0.4.1
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling typemap_rev v0.1.5
[INFO] [stderr]    Compiling uwl v0.6.0
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling sct v0.6.1
[INFO] [stderr]    Compiling rustls v0.19.1
[INFO] [stderr]    Compiling webpki-roots v0.20.0
[INFO] [stderr]    Compiling webpki-roots v0.21.1
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling command_attr v0.3.7
[INFO] [stderr]    Compiling getset v0.1.1
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling openblas-build v0.1.1
[INFO] [stderr]    Compiling tokio v1.19.2
[INFO] [stderr]    Compiling openblas-src v0.10.4
[INFO] [stderr]    Compiling futures v0.3.16
[INFO] [stderr]    Compiling tokio-util v0.6.7
[INFO] [stderr]    Compiling tokio-rustls v0.22.0
[INFO] [stderr]    Compiling pin-project v1.0.8
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling async-tungstenite v0.11.0
[INFO] [stderr]    Compiling h2 v0.3.3
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling hyper v0.14.11
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling lapack v0.18.0
[INFO] [stderr]    Compiling cauchy v0.4.0
[INFO] [stderr]    Compiling ndarray v0.15.3
[INFO] [stderr]    Compiling ndarray-rand v0.14.0
[INFO] [stderr]    Compiling hyper-rustls v0.22.1
[INFO] [stderr]    Compiling reqwest v0.11.4
[INFO] [stderr] error: could not compile `serenity`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serenity --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serenity-0.10.8/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 -C debuginfo=2 --cfg 'feature="async-tungstenite"' --cfg 'feature="base64"' --cfg 'feature="builder"' --cfg 'feature="bytes"' --cfg 'feature="cache"' --cfg 'feature="client"' --cfg 'feature="command_attr"' --cfg 'feature="default"' --cfg 'feature="default_no_backend"' --cfg 'feature="flate2"' --cfg 'feature="framework"' --cfg 'feature="gateway"' --cfg 'feature="http"' --cfg 'feature="model"' --cfg 'feature="reqwest"' --cfg 'feature="rustls_backend"' --cfg 'feature="rustls_backend_marker"' --cfg 'feature="standard_framework"' --cfg 'feature="static_assertions"' --cfg 'feature="tokio"' --cfg 'feature="typemap_rev"' --cfg 'feature="url"' --cfg 'feature="utils"' --cfg 'feature="uwl"' -C metadata=48b0cd7e3a68363c -C extra-filename=-48b0cd7e3a68363c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-fe9e981840a85816.so --extern async_tungstenite=/opt/rustwide/target/debug/deps/libasync_tungstenite-0ef3f7edecea3d41.rmeta --extern base64=/opt/rustwide/target/debug/deps/libbase64-4563507a4eb0b4b2.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-6d05264d59b50f7f.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-486dd913f668f7b5.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-4af7cd3f4c9319d9.rmeta --extern command_attr=/opt/rustwide/target/debug/deps/libcommand_attr-c064f77f3f249f7d.so --extern flate2=/opt/rustwide/target/debug/deps/libflate2-1490795039a4d4dc.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-b68a9ca029664ce5.rmeta --extern percent_encoding=/opt/rustwide/target/debug/deps/libpercent_encoding-b196e1663297fef1.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-828e0941bc11c234.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-2e204e62ae6c44fc.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-91237032960b2e3d.rmeta --extern static_assertions=/opt/rustwide/target/debug/deps/libstatic_assertions-c94e2eb84119cf0b.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-772688926bf5de6a.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-f66459791853084a.rmeta --extern typemap_rev=/opt/rustwide/target/debug/deps/libtypemap_rev-8440fac5b01585a4.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-31f202c8246d09ed.rmeta --extern uwl=/opt/rustwide/target/debug/deps/libuwl-e2d5620dafdd4ea2.rmeta --cap-lints allow --cap-lints=forbid -Copt-level=3 -L native=/opt/rustwide/target/debug/build/ring-ef6e19fa199af0ef/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a5bae0b266a1a20fb7816181360f144bcd075dfbd0d6162a3b6856f70e553189", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5bae0b266a1a20fb7816181360f144bcd075dfbd0d6162a3b6856f70e553189", kill_on_drop: false }`
[INFO] [stdout] a5bae0b266a1a20fb7816181360f144bcd075dfbd0d6162a3b6856f70e553189