[INFO] cloning repository https://github.com/nemosupremo/mkii
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nemosupremo/mkii" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnemosupremo%2Fmkii", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnemosupremo%2Fmkii'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d7781b2254ce65ea5779f74560bf7fae2424003c
[INFO] testing nemosupremo/mkii against 1.90.0 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnemosupremo%2Fmkii" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nemosupremo/mkii
[INFO] finished tweaking git repo https://github.com/nemosupremo/mkii
[INFO] tweaked toml for git repo https://github.com/nemosupremo/mkii written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nemosupremo/mkii on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nemosupremo/mkii 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `http://github.com/sfackler/rust-phf`
[INFO] [stderr]     Updating git repository `https://github.com/nemosupremo/tokio-io-pool`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-sync v0.2.0-alpha.4
[INFO] [stderr]   Downloaded slab v0.4.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.3
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[INFO] [stderr]   Downloaded wincolor v1.0.2
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[INFO] [stderr]   Downloaded byteorder v1.2.6
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[INFO] [stderr]   Downloaded memoffset v0.5.1
[INFO] [stderr]   Downloaded tokio-fs v0.2.0-alpha.4
[INFO] [stderr]   Downloaded num_cpus v1.8.0
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[INFO] [stderr]   Downloaded tokio-io v0.2.0-alpha.4
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[INFO] [stderr]   Downloaded tokio-codec v0.2.0-alpha.4
[INFO] [stderr]   Downloaded rustc-demangle v0.1.9
[INFO] [stderr]   Downloaded futures-preview v0.3.0-alpha.18
[INFO] [stderr]   Downloaded tokio-timer v0.3.0-alpha.4
[INFO] [stderr]   Downloaded seahash v3.0.5
[INFO] [stderr]   Downloaded arrayvec v0.4.7
[INFO] [stderr]   Downloaded scopeguard v1.0.0
[INFO] [stderr]   Downloaded crossbeam-epoch v0.7.2
[INFO] [stderr]   Downloaded smallvec v0.6.5
[INFO] [stderr]   Downloaded bytes v0.4.9
[INFO] [stderr]   Downloaded futures-channel-preview v0.3.0-alpha.18
[INFO] [stderr]   Downloaded error-chain v0.5.0
[INFO] [stderr]   Downloaded cc v1.0.24
[INFO] [stderr]   Downloaded tokio-net v0.2.0-alpha.4
[INFO] [stderr]   Downloaded futures-util-preview v0.3.0-alpha.18
[INFO] [stderr]   Downloaded cpuprofiler v0.0.3
[INFO] [stderr]   Downloaded crossbeam-channel v0.3.9
[INFO] [stderr]   Downloaded syn v1.0.5
[INFO] [stderr]   Downloaded rand v0.7.0
[INFO] [stderr]   Downloaded mio v0.6.15
[INFO] [stderr]   Downloaded mio-uds v0.6.6
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.9
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[INFO] [stderr]   Downloaded tracing-core v0.1.5
[INFO] [stderr]   Downloaded tracing v0.1.8
[INFO] [stderr]   Downloaded tokio-executor v0.2.0-alpha.4
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[INFO] [stderr]   Downloaded backtrace-sys v0.1.24
[INFO] [stderr]   Downloaded winapi v0.3.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a448c117adf8e462460b04339e3b4365b1837e3767035e6b3af6795fb5346606
[INFO] running `Command { std: "docker" "start" "-a" "a448c117adf8e462460b04339e3b4365b1837e3767035e6b3af6795fb5346606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a448c117adf8e462460b04339e3b4365b1837e3767035e6b3af6795fb5346606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a448c117adf8e462460b04339e3b4365b1837e3767035e6b3af6795fb5346606", kill_on_drop: false }`
[INFO] [stdout] a448c117adf8e462460b04339e3b4365b1837e3767035e6b3af6795fb5346606
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6643abdc8ffc88ae5760d899e6f68394a44e0cd81d62121eb85a266be664a5f
[INFO] running `Command { std: "docker" "start" "-a" "e6643abdc8ffc88ae5760d899e6f68394a44e0cd81d62121eb85a266be664a5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.3
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling slab v0.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling tracing-core v0.1.5
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling byteorder v1.2.6
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling cc v1.0.24
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling bytes v0.4.9
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling smallvec v0.6.5
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling tokio-io v0.2.0-alpha.4
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling lazycell v0.6.0
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling mio v0.6.15
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand_pcg v0.2.0
[INFO] [stderr]    Compiling lock_api v0.3.1
[INFO] [stderr]    Compiling siphasher v0.3.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling tokio-sync v0.2.0-alpha.4
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling mio-uds v0.6.6
[INFO] [stderr]    Compiling phf_shared v0.7.24 (http://github.com/sfackler/rust-phf?rev=0d00821785#0d008217)
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling tokio-codec v0.2.0-alpha.4
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling futures-executor-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling error-chain v0.5.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling cpuprofiler v0.0.3
[INFO] [stderr]    Compiling futures-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling core_affinity v0.5.9
[INFO] [stderr]    Compiling seahash v3.0.5
[INFO] [stderr]    Compiling phf_generator v0.7.24 (http://github.com/sfackler/rust-phf?rev=0d00821785#0d008217)
[INFO] [stderr]    Compiling md5 v0.3.8
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.2
[INFO] [stderr]    Compiling tokio-macros v0.2.0-alpha.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.9
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling tracing v0.1.8
[INFO] [stderr]    Compiling tokio-executor v0.2.0-alpha.4
[INFO] [stderr]    Compiling phf_macros v0.7.24 (http://github.com/sfackler/rust-phf?rev=0d00821785#0d008217)
[INFO] [stderr]    Compiling phf v0.7.24 (http://github.com/sfackler/rust-phf?rev=0d00821785#0d008217)
[INFO] [stderr]    Compiling tokio-fs v0.2.0-alpha.4
[INFO] [stderr]    Compiling tokio-timer v0.3.0-alpha.4
[INFO] [stderr]    Compiling tokio-net v0.2.0-alpha.4
[INFO] [stderr]    Compiling tokio v0.2.0-alpha.4
[INFO] [stderr]    Compiling tokio-io-pool v0.2.0-alpha.1 (https://github.com/nemosupremo/tokio-io-pool?rev=d56b5b7#d56b5b7a)
[INFO] [stderr]    Compiling mkii v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/command/keys.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Del(bool, Bytes, pub Vec<Bytes>);
[INFO] [stdout]   |            --- ^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 8 - pub struct Del(bool, Bytes, pub Vec<Bytes>);
[INFO] [stdout] 8 + pub struct Del((), Bytes, pub Vec<Bytes>);
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/tmp/rustc6FwMpw/symbols.o" "<10 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libcore_affinity-1cac0c5a1ad0c3c2,libenv_logger-8de94835a00ee139,libregex-94918ecd0ae24e44,libthread_local-2d7773b5e31abaa0,libregex_syntax-ed158dbee4d0ea7b,libaho_corasick-3c9e6917452f7433,libatty-844b7b0534dd8e95,libhumantime-87a6fd915d329de6,libquick_error-26c8a04c0e88e4d8,libtermcolor-5a263b51bce2a4b6,libtokio_io_pool-9abdce8385f4d311,libseahash-3373252a1dc95f8b,libphf-28c125486e6d87a9,libphf_shared-075cdc9dde940ced,libsiphasher-b5b9a7d8757bcb23,libcpuprofiler-c73466bf2d8d36f5,liblazy_static-c7667f95f108c833,liberror_chain-a7288db81a75034e,libbacktrace-9f5496d3db150421,libbacktrace_sys-7657cf6d08906819,librustc_demangle-84fc8dd0a7cf0aba,libdbghelp-0a5f6e02be7382dd,libwinapi-5434d356ce4ef528,libkernel32-62123ed2adda91c4,libtokio-890a77ed66730341,libtokio_net-0032130f61af2448,libmio_uds-87c70201a48ab549,libparking_lot-739412d7888e78fa,libparking_lot_core-75d659f5474497ec,libsmallvec-53627550d28130c0,libunreachable-8b4cc5b067d1c978,libvoid-f14ca55f90d7d476,liblock_api-8d94341f2adbc0ae,libmio-1295b58911629760,libnet2-5b812b31cec22d77,liblazycell-2f4f1bae0539d2f1,libtokio_fs-54fb28c9d6f59f77,libtokio_codec-1445e520df57b7c7,libtokio_io-f8a692d8f58788cd,libbytes-289d7e3596420de5,libiovec-6a04e3e00ece3d42,libbyteorder-7624a153e31ef268,libtokio_timer-fb80e7266d613944,libtokio_executor-8cfad8ce2bb0cd68,libcrossbeam_channel-b8e787c460a57d2c,libtracing-97935d821b655f2c,libtracing_core-a8eb1133739ba179,libcrossbeam_queue-446bc8203a0f0b62,libnum_cpus-4b224617aeecbbc5,liblibc-f5cd6a10a5448238,libcrossbeam_deque-5a7a925a4ec10102,libcrossbeam_epoch-4bfe622985604de3,libscopeguard-21dbcf487160e262,libmemoffset-5f541ef5b022e7dc,libarrayvec-c1ad1c36badc1040,libnodrop-229360a8f22251e2,libtokio_sync-269ff1ffd310513b,libfnv-ff7eb2caba2a2942,libfutures_util-748071d8c68f43d4,libmemchr-7b528b752981b8b9,libfutures_channel-7635a40970e81360,libfutures_io-1252b6640f4f51c2,libfutures_sink-2584cc43aef3ba76,libpin_utils-518674b26ba002ca,libcrossbeam_utils-3f7ed3f32b799151,liblazy_static-6304dd53aecdb3f7,libspin-6113108d3fa2f8ba,libslab-9ba4d5faa4742521,libfutures_core-068d596e5162dd3a,liblog-f0a0009f79f4c6f0,libcfg_if-cae3b214dbe9979c}.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-*,librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lprofiler" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustc6FwMpw/raw-dylibs" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/target/debug/build/backtrace-sys-655dba96439d048a/out" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/mkii-939785cd45c58763" "-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: rust-lld: error: unable to find library -lprofiler
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mkii` (bin "mkii") due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "e6643abdc8ffc88ae5760d899e6f68394a44e0cd81d62121eb85a266be664a5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6643abdc8ffc88ae5760d899e6f68394a44e0cd81d62121eb85a266be664a5f", kill_on_drop: false }`
[INFO] [stdout] e6643abdc8ffc88ae5760d899e6f68394a44e0cd81d62121eb85a266be664a5f