[INFO] cloning repository https://github.com/Lakret/music_box
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lakret/music_box" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLakret%2Fmusic_box", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLakret%2Fmusic_box'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7651be73ff19e3438c9df744b7803e43ee1a8628
[INFO] checking Lakret/music_box against master#a836d9b6413d9d593be6c09463ff8c4c70e56599 for pr-84037
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLakret%2Fmusic_box" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Lakret/music_box on toolchain a836d9b6413d9d593be6c09463ff8c4c70e56599
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Lakret/music_box
[INFO] finished tweaking git repo https://github.com/Lakret/music_box
[INFO] tweaked toml for git repo https://github.com/Lakret/music_box written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/Lakret/music_box already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53ac271e6c29edb523787b0562fd84e3a6d1846d5c50d650c4499ba7c1cd42d6
[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" "53ac271e6c29edb523787b0562fd84e3a6d1846d5c50d650c4499ba7c1cd42d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53ac271e6c29edb523787b0562fd84e3a6d1846d5c50d650c4499ba7c1cd42d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53ac271e6c29edb523787b0562fd84e3a6d1846d5c50d650c4499ba7c1cd42d6", kill_on_drop: false }`
[INFO] [stdout] 53ac271e6c29edb523787b0562fd84e3a6d1846d5c50d650c4499ba7c1cd42d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a18c92fa9ed3fe5325408a84cbb14cbae2b877d8823c674b91a26d269679b6a
[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" "2a18c92fa9ed3fe5325408a84cbb14cbae2b877d8823c674b91a26d269679b6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling futures-core v0.3.7
[INFO] [stderr]    Compiling futures-sink v0.3.7
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling pin-project-lite v0.1.11
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling futures-io v0.3.7
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]    Compiling encoding_rs v0.8.24
[INFO] [stderr]    Compiling copyless v0.1.5
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling regex-syntax v0.6.20
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling dtoa v0.4.6
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling cpal v0.12.1
[INFO] [stderr]     Checking chunked_transfer v1.3.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking claxon v0.4.3
[INFO] [stderr]    Compiling path-slash v0.1.3
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling v_escape v0.13.2
[INFO] [stderr]    Compiling v_htmlescape v0.10.4
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling ring v0.16.16
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling tinyfiledialogs v3.3.10
[INFO] [stderr]     Checking instant v0.1.8
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]     Checking futures-channel v0.3.7
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling futures-task v0.3.7
[INFO] [stderr]     Checking qstring v0.7.2
[INFO] [stderr]    Compiling lock_api v0.4.1
[INFO] [stderr]    Compiling addr2line v0.14.0
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling bytestring v0.1.5
[INFO] [stderr]     Checking buf-min v0.1.1
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling standback v0.2.11
[INFO] [stderr]    Compiling time v0.2.22
[INFO] [stderr]    Compiling cookie v0.14.3
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling tinyvec v1.0.1
[INFO] [stderr]    Compiling glib-sys v0.9.1
[INFO] [stderr]    Compiling gobject-sys v0.9.1
[INFO] [stderr]    Compiling gio-sys v0.9.1
[INFO] [stderr]    Compiling pango-sys v0.9.1
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.9.1
[INFO] [stderr]    Compiling alsa-sys v0.3.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.9.2
[INFO] [stderr]    Compiling gdk-sys v0.9.1
[INFO] [stderr]    Compiling atk-sys v0.9.1
[INFO] [stderr]    Compiling soup-sys v0.9.0
[INFO] [stderr]    Compiling gtk-sys v0.9.2
[INFO] [stderr]    Compiling webkit2gtk-sys v0.10.0
[INFO] [stderr]    Compiling webview-sys v0.5.1
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking aho-corasick v0.7.14
[INFO] [stderr]     Checking ogg v0.7.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling tracing v0.1.21
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking lewton v0.10.1
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking signal-hook-registry v1.2.2
[INFO] [stderr]     Checking backtrace v0.3.54
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking socket2 v0.3.15
[INFO] [stderr]     Checking javascriptcore-rs-sys v0.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking listenfd v0.3.3
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking resolv-conf v0.6.3
[INFO] [stderr]     Checking minimp3 v0.5.0
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]     Checking env_logger v0.8.1
[INFO] [stderr]    Compiling sha-1 v0.9.2
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking rustls v0.18.1
[INFO] [stderr]     Checking webpki-roots v0.20.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]    Compiling brotli2 v0.3.2
[INFO] [stderr]     Checking alsa v0.4.2
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.1
[INFO] [stderr]    Compiling futures-macro v0.3.7
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling actix-macros v0.1.2
[INFO] [stderr]    Compiling async-trait v0.1.41
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling actix-web-codegen v0.4.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling strum_macros v0.19.4
[INFO] [stderr]    Compiling maybe-async v0.2.2
[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-0.2.22/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="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="rt-core"' --cfg 'feature="rt-util"' --cfg 'feature="signal"' --cfg 'feature="signal-hook-registry"' --cfg 'feature="slab"' --cfg 'feature="stream"' --cfg 'feature="tcp"' --cfg 'feature="time"' --cfg 'feature="udp"' --cfg 'feature="uds"' --cfg 'feature="winapi"' -C metadata=c2e568b931dcee25 -C extra-filename=-c2e568b931dcee25 --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 futures_core=/opt/rustwide/target/debug/deps/libfutures_core-1dece66846648d82.rmeta --extern iovec=/opt/rustwide/target/debug/deps/libiovec-18275d8cbf1140ed.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-ff2d4c059a61c830.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-e4f2828fa7658e02.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-e220204c3e6e1397.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-d993ec846e532d1e.rmeta --extern mio_uds=/opt/rustwide/target/debug/deps/libmio_uds-96c4c37fc0bb1280.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-dae669442cef29ea.rmeta --extern signal_hook_registry=/opt/rustwide/target/debug/deps/libsignal_hook_registry-da46e13512e514f2.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-66c74742abc4bd48.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" "2a18c92fa9ed3fe5325408a84cbb14cbae2b877d8823c674b91a26d269679b6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a18c92fa9ed3fe5325408a84cbb14cbae2b877d8823c674b91a26d269679b6a", kill_on_drop: false }`
[INFO] [stdout] 2a18c92fa9ed3fe5325408a84cbb14cbae2b877d8823c674b91a26d269679b6a