[INFO] cloning repository https://github.com/rdk31/newsfrwdr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rdk31/newsfrwdr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frdk31%2Fnewsfrwdr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frdk31%2Fnewsfrwdr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 31169d0231ceff5eaf1afe3c177974b9d9cbe87d
[INFO] checking rdk31/newsfrwdr against try#506dff8de9f54f528028a7e4497ea925a4f3e19e for pr-94295
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frdk31%2Fnewsfrwdr" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rdk31/newsfrwdr on toolchain 506dff8de9f54f528028a7e4497ea925a4f3e19e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+506dff8de9f54f528028a7e4497ea925a4f3e19e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rdk31/newsfrwdr
[INFO] finished tweaking git repo https://github.com/rdk31/newsfrwdr
[INFO] tweaked toml for git repo https://github.com/rdk31/newsfrwdr written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/rdk31/newsfrwdr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+506dff8de9f54f528028a7e4497ea925a4f3e19e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded markup5ever v0.10.1
[INFO] [stderr]   Downloaded string_cache_codegen v0.5.1
[INFO] [stderr]   Downloaded html2text v0.2.1
[INFO] [stderr]   Downloaded feed-rs v1.0.0
[INFO] [stderr]   Downloaded markup5ever_rcdom v0.1.0
[INFO] [stderr]   Downloaded html5ever v0.25.1
[INFO] [stderr]   Downloaded xml5ever v0.16.1
[INFO] [stderr]   Downloaded command_attr v0.3.7
[INFO] [stderr]   Downloaded serenity v0.10.9
[INFO] [stderr]   Downloaded slack-bk v0.1.1
[INFO] [stderr]   Downloaded humantime-serde v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+506dff8de9f54f528028a7e4497ea925a4f3e19e" "metadata" "--no-deps" "--format-version=1", 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] 63814174b83c99527c00bbda7be3690e4a867daea9e1d1943e794fab9d75d55c
[INFO] running `Command { std: "docker" "start" "-a" "63814174b83c99527c00bbda7be3690e4a867daea9e1d1943e794fab9d75d55c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63814174b83c99527c00bbda7be3690e4a867daea9e1d1943e794fab9d75d55c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63814174b83c99527c00bbda7be3690e4a867daea9e1d1943e794fab9d75d55c", kill_on_drop: false }`
[INFO] [stdout] 63814174b83c99527c00bbda7be3690e4a867daea9e1d1943e794fab9d75d55c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+506dff8de9f54f528028a7e4497ea925a4f3e19e" "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] 7c8fe48892090bf5920754c6ca76fce0a0d94308f9e4def3da50c7bff9b6602f
[INFO] running `Command { std: "docker" "start" "-a" "7c8fe48892090bf5920754c6ca76fce0a0d94308f9e4def3da50c7bff9b6602f", kill_on_drop: false }`
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling siphasher v0.3.7
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]    Compiling serenity v0.10.9
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking typemap_rev v0.1.5
[INFO] [stderr]     Checking instant v0.1.11
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling openssl-sys v0.9.67
[INFO] [stderr]     Checking tinyvec v1.5.0
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]     Checking libc v0.2.103
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]     Checking http-body v0.4.3
[INFO] [stderr]     Checking tendril v0.4.2
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking quick-xml v0.22.0
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]     Checking webpki-roots v0.20.0
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling markup5ever v0.10.1
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling tokio-macros v1.4.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling command_attr v0.3.7
[INFO] [stderr]    Compiling gumdrop_derive v0.8.0
[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-1.12.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="bytes"' --cfg 'feature="default"' --cfg 'feature="fs"' --cfg 'feature="full"' --cfg 'feature="io-std"' --cfg 'feature="io-util"' --cfg 'feature="libc"' --cfg 'feature="macros"' --cfg 'feature="memchr"' --cfg 'feature="mio"' --cfg 'feature="net"' --cfg 'feature="num_cpus"' --cfg 'feature="once_cell"' --cfg 'feature="parking_lot"' --cfg 'feature="process"' --cfg 'feature="rt"' --cfg 'feature="rt-multi-thread"' --cfg 'feature="signal"' --cfg 'feature="signal-hook-registry"' --cfg 'feature="sync"' --cfg 'feature="time"' --cfg 'feature="tokio-macros"' --cfg 'feature="winapi"' -C metadata=63852b6115229a45 -C extra-filename=-63852b6115229a45 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-0b6620405fcf1713.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-c0e569a483fe9578.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-d022af6da608c734.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-73917f7888d3b47e.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-4add3d0cb038ae4b.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-cf6f3ab30d01461a.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-f4efb467955eb937.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-9e77c811562aac2d.rmeta --extern signal_hook_registry=/opt/rustwide/target/debug/deps/libsignal_hook_registry-39b37be38f2212a1.rmeta --extern tokio_macros=/opt/rustwide/target/debug/deps/libtokio_macros-bd09588a7348c2ab.so --cap-lints allow --cap-lints=forbid --cfg tokio_track_caller` (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" "7c8fe48892090bf5920754c6ca76fce0a0d94308f9e4def3da50c7bff9b6602f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c8fe48892090bf5920754c6ca76fce0a0d94308f9e4def3da50c7bff9b6602f", kill_on_drop: false }`
[INFO] [stdout] 7c8fe48892090bf5920754c6ca76fce0a0d94308f9e4def3da50c7bff9b6602f