[INFO] cloning repository https://github.com/truelossless/Knot.s
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/truelossless/Knot.s" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftruelossless%2FKnot.s", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftruelossless%2FKnot.s'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a00a97c25fd40484f1c19a38ca420c7875250c47
[INFO] testing truelossless/Knot.s against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftruelossless%2FKnot.s" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/truelossless/Knot.s on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/truelossless/Knot.s
[INFO] finished tweaking git repo https://github.com/truelossless/Knot.s
[INFO] tweaked toml for git repo https://github.com/truelossless/Knot.s written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/truelossless/Knot.s already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c76fab93f63515903d784c12780a824651a85cbc3e2504ada397e2918707f4b4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c76fab93f63515903d784c12780a824651a85cbc3e2504ada397e2918707f4b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c76fab93f63515903d784c12780a824651a85cbc3e2504ada397e2918707f4b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c76fab93f63515903d784c12780a824651a85cbc3e2504ada397e2918707f4b4", kill_on_drop: false }`
[INFO] [stdout] c76fab93f63515903d784c12780a824651a85cbc3e2504ada397e2918707f4b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c038d84638cf3ad08d14fdfb1777a527c88aa7c40c6edaa8c396b2800ba42732
[INFO] running `Command { std: "docker" "start" "-a" "c038d84638cf3ad08d14fdfb1777a527c88aa7c40c6edaa8c396b2800ba42732", kill_on_drop: false }`
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling funty v1.0.1
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling tap v1.0.0
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling wkhtmltox-sys v0.1.2
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling tinyvec v1.1.0
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling bitvec v0.19.4
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.16
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling wkhtmltopdf v0.3.0
[INFO] [stderr]    Compiling gumdrop_derive v0.8.0
[INFO] [stderr]    Compiling gumdrop v0.8.0
[INFO] [stderr]    Compiling knots v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: linking with `cc` failed: exit code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/knots-a3ff7a3c18ff5685.knots.jzp52eu8-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/knots-a3ff7a3c18ff5685.knots.jzp52eu8-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/knots-a3ff7a3c18ff5685.knots.jzp52eu8-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/knots-a3ff7a3c18ff5685.knots.jzp52eu8-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/knots-a3ff7a3c18ff5685.knots.jzp52eu8-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/knots-a3ff7a3c18ff5685.knots.jzp52eu8-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/knots-a3ff7a3c18ff5685.knots.jzp52eu8-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/knots-a3ff7a3c18ff5685.knots.jzp52eu8-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/knots-a3ff7a3c18ff5685.knots.jzp52eu8-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/knots-a3ff7a3c18ff5685.knots.jzp52eu8-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/knots-a3ff7a3c18ff5685.knots.jzp52eu8-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/knots-a3ff7a3c18ff5685.knots.jzp52eu8-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/knots-a3ff7a3c18ff5685.knots.jzp52eu8-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/knots-a3ff7a3c18ff5685.knots.jzp52eu8-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/knots-a3ff7a3c18ff5685.knots.jzp52eu8-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/knots-a3ff7a3c18ff5685.knots.jzp52eu8-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/knots-a3ff7a3c18ff5685" "/opt/rustwide/target/debug/deps/knots-a3ff7a3c18ff5685.6ohac64sl16yk14.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libwkhtmltopdf-f28fe43a51c8bb2c.rlib" "/opt/rustwide/target/debug/deps/libquick_error-02525b70077f996f.rlib" "/opt/rustwide/target/debug/deps/liblog-2ccdee9e6280c915.rlib" "/opt/rustwide/target/debug/deps/liblog-e85f58044ae91ffe.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-9850e1ed257f46c2.rlib" "/opt/rustwide/target/debug/deps/libthread_id-e551c0f45a0163e7.rlib" "/opt/rustwide/target/debug/deps/liblibc-5a14dbf7a89e1173.rlib" "/opt/rustwide/target/debug/deps/liburl-b1ad55a490a79752.rlib" "/opt/rustwide/target/debug/deps/libpercent_encoding-6cfaa5fc89ff72d4.rlib" "/opt/rustwide/target/debug/deps/libidna-740fe4d95ebee3ae.rlib" "/opt/rustwide/target/debug/deps/libunicode_normalization-00a5caef43a4386b.rlib" "/opt/rustwide/target/debug/deps/libtinyvec-c7495963f757b92a.rlib" "/opt/rustwide/target/debug/deps/libtinyvec_macros-5b1520f36949599c.rlib" "/opt/rustwide/target/debug/deps/libunicode_bidi-7e8075a07f0e5422.rlib" "/opt/rustwide/target/debug/deps/libmatches-5499bb0a916b29b9.rlib" "/opt/rustwide/target/debug/deps/libwkhtmltox_sys-3f494d6b2ffe4df5.rlib" "/opt/rustwide/target/debug/deps/libgumdrop-598b241bd81ef065.rlib" "/opt/rustwide/target/debug/deps/libnom-986f199b0e2472ad.rlib" "/opt/rustwide/target/debug/deps/libmemchr-a9009655a91d81ba.rlib" "/opt/rustwide/target/debug/deps/liblexical_core-2a925d6604e647d3.rlib" "/opt/rustwide/target/debug/deps/libryu-37b6e9a22bb2209d.rlib" "/opt/rustwide/target/debug/deps/libarrayvec-ea8c77fe5b6fcc41.rlib" "/opt/rustwide/target/debug/deps/libstatic_assertions-ac453ec36b9d397e.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-b10e0993eefc366b.rlib" "/opt/rustwide/target/debug/deps/libbitflags-de31228f2c0549ed.rlib" "/opt/rustwide/target/debug/deps/libbitvec-8eb813f86795fed6.rlib" "/opt/rustwide/target/debug/deps/libfunty-05241f2cfca8b76a.rlib" "/opt/rustwide/target/debug/deps/libwyz-e96f6cac1a841180.rlib" "/opt/rustwide/target/debug/deps/libtap-02b3e74ed09d5b6b.rlib" "/opt/rustwide/target/debug/deps/libradium-b32bd4bc78615457.rlib" "/opt/rustwide/target/debug/deps/libanyhow-f6841ae934f62b04.rlib" "/opt/rustwide/target/debug/deps/libbase64-bea50dc4f970736a.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-e12de7683a34c500.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-446a53c2e468675f.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-86fef9fb252a2d33.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-3bed9bfd30304751.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-0e38eeb474a7b386.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-a846ed547b824740.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-c9540f0a4fb9265d.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-7d2ca66c92c356eb.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-147e2c808f949493.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-bd2a4369506670e9.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-74bfdd0ce7d0ed48.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-6777f47f1c491841.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-b104f1790174f2be.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-db37898996f45c13.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-25b7435131fc4938.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9d4b6f3c097e876e.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-3f953ad652ab829a.rlib" "-Wl,-Bdynamic" "-lwkhtmltox" "-lwkhtmltox" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lwkhtmltox
[INFO] [stdout]           /usr/bin/ld: cannot find -lwkhtmltox
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `knots`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "c038d84638cf3ad08d14fdfb1777a527c88aa7c40c6edaa8c396b2800ba42732", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c038d84638cf3ad08d14fdfb1777a527c88aa7c40c6edaa8c396b2800ba42732", kill_on_drop: false }`
[INFO] [stdout] c038d84638cf3ad08d14fdfb1777a527c88aa7c40c6edaa8c396b2800ba42732