[INFO] cloning repository https://github.com/post-rex/kobold
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/post-rex/kobold" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpost-rex%2Fkobold", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpost-rex%2Fkobold'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a6da4579dd4d2eeb2203d1780710b067a905387
[INFO] checking post-rex/kobold against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpost-rex%2Fkobold" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/post-rex/kobold on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/post-rex/kobold
[INFO] finished tweaking git repo https://github.com/post-rex/kobold
[INFO] tweaked toml for git repo https://github.com/post-rex/kobold written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7079c8154730d5bc5a4d6881f039edbec2781d5851b97f32d0368af9c0a90a92
[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" "7079c8154730d5bc5a4d6881f039edbec2781d5851b97f32d0368af9c0a90a92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7079c8154730d5bc5a4d6881f039edbec2781d5851b97f32d0368af9c0a90a92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7079c8154730d5bc5a4d6881f039edbec2781d5851b97f32d0368af9c0a90a92", kill_on_drop: false }`
[INFO] [stdout] 7079c8154730d5bc5a4d6881f039edbec2781d5851b97f32d0368af9c0a90a92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--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] aa0f7af7127b363f63c76683f40d2365dfe282a6ad74703f654faeb2af46a118
[INFO] running `Command { std: "docker" "start" "-a" "aa0f7af7127b363f63c76683f40d2365dfe282a6ad74703f654faeb2af46a118", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling openssl v0.10.34
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling zstd-safe v2.0.6+zstd.1.4.7
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking license v1.1.10
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking cfg-expr v0.5.1
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking encoding_rs v0.8.28
[INFO] [stderr]     Checking semver-parser v0.10.2
[INFO] [stderr]     Checking anyhow v1.0.40
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking lexical-core v0.7.6
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking fern v0.6.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking bitvec v0.19.5
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]     Checking crypto-mac v0.10.0
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking md-5 v0.8.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking aes-soft v0.6.4
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking sha-1 v0.9.6
[INFO] [stderr]     Checking polyval v0.4.5
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking rmp v0.8.10
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking hkdf v0.10.0
[INFO] [stderr]     Checking ghash v0.3.1
[INFO] [stderr]     Checking aes v0.6.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking aes-gcm v0.8.0
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]     Checking spdx v0.3.6
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr]     Checking backoff v0.2.1
[INFO] [stderr]     Checking ignore v0.4.17
[INFO] [stderr]    Compiling openssl-sys v0.9.63
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling zstd-sys v1.4.18+zstd.1.4.7
[INFO] [stderr]    Compiling backtrace v0.3.59
[INFO] [stderr]    Compiling rpmalloc-sys v0.2.1+1.4.1
[INFO] [stderr]    Compiling sqlformat v0.1.6
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking rpmalloc v0.2.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling derive_more v0.99.13
[INFO] [stderr]    Compiling actix-macros v0.1.3
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr] error: could not compile `tokio`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name tokio --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.25/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="dns"' --cfg 'feature="fnv"' --cfg 'feature="fs"' --cfg 'feature="futures-core"' --cfg 'feature="io-driver"' --cfg 'feature="io-util"' --cfg 'feature="iovec"' --cfg 'feature="lazy_static"' --cfg 'feature="libc"' --cfg 'feature="memchr"' --cfg 'feature="mio"' --cfg 'feature="mio-uds"' --cfg 'feature="net"' --cfg 'feature="num_cpus"' --cfg 'feature="rt-core"' --cfg 'feature="rt-threaded"' --cfg 'feature="rt-util"' --cfg 'feature="signal"' --cfg 'feature="signal-hook-registry"' --cfg 'feature="slab"' --cfg 'feature="stream"' --cfg 'feature="sync"' --cfg 'feature="tcp"' --cfg 'feature="time"' --cfg 'feature="udp"' --cfg 'feature="uds"' --cfg 'feature="winapi"' -C metadata=64c27432f8d8ae08 -C extra-filename=-64c27432f8d8ae08 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-35b31d3ce42c8c1d.rmeta --extern fnv=/opt/rustwide/target/debug/deps/libfnv-03632dd09ca25027.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-c4a11bbe98fbbc7e.rmeta --extern iovec=/opt/rustwide/target/debug/deps/libiovec-11cfe18475bfe4dc.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-ff2d4c059a61c830.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-31bd478eeb4bfb4f.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-d849963a99f05d1a.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-90a992be5cd89cfa.rmeta --extern mio_uds=/opt/rustwide/target/debug/deps/libmio_uds-10b2007323ac0e7a.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-9dcd73e483554870.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-e4662d347a5e4539.rmeta --extern signal_hook_registry=/opt/rustwide/target/debug/deps/libsignal_hook_registry-a41294d145d4f64b.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-396e4fea689eef7d.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "aa0f7af7127b363f63c76683f40d2365dfe282a6ad74703f654faeb2af46a118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa0f7af7127b363f63c76683f40d2365dfe282a6ad74703f654faeb2af46a118", kill_on_drop: false }`
[INFO] [stdout] aa0f7af7127b363f63c76683f40d2365dfe282a6ad74703f654faeb2af46a118