[INFO] cloning repository https://github.com/tyranron/rust-rtmp-mixing-poc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tyranron/rust-rtmp-mixing-poc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyranron%2Frust-rtmp-mixing-poc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyranron%2Frust-rtmp-mixing-poc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 25b6447d7cd6d3abedff2ef3d3465c0cbe5dd715
[INFO] checking tyranron/rust-rtmp-mixing-poc against master#0a8629bff642c3c3b84bb644c0099194f063b627 for pr-86231
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyranron%2Frust-rtmp-mixing-poc" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tyranron/rust-rtmp-mixing-poc on toolchain 0a8629bff642c3c3b84bb644c0099194f063b627
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/tyranron/rust-rtmp-mixing-poc
[INFO] finished tweaking git repo https://github.com/tyranron/rust-rtmp-mixing-poc
[INFO] tweaked toml for git repo https://github.com/tyranron/rust-rtmp-mixing-poc written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/tyranron/rust-rtmp-mixing-poc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "fetch" "--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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae906a0a828c584a288ca50724cf0c0152910a17309d750772f324fea0a2ed2a
[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" "ae906a0a828c584a288ca50724cf0c0152910a17309d750772f324fea0a2ed2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae906a0a828c584a288ca50724cf0c0152910a17309d750772f324fea0a2ed2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae906a0a828c584a288ca50724cf0c0152910a17309d750772f324fea0a2ed2a", kill_on_drop: false }`
[INFO] [stdout] ae906a0a828c584a288ca50724cf0c0152910a17309d750772f324fea0a2ed2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+0a8629bff642c3c3b84bb644c0099194f063b627" "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] b636fd13567b2e62c8a03c967d4774448e9929662b1c77ff3284d1a242e0abf5
[INFO] running `Command { std: "docker" "start" "-a" "b636fd13567b2e62c8a03c967d4774448e9929662b1c77ff3284d1a242e0abf5", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.1
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[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]     Checking dbl v0.3.1
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]    Compiling backtrace v0.3.56
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking syn v1.0.68
[INFO] [stderr]     Checking idna v0.2.2
[INFO] [stderr]     Checking slog-stdlog v4.1.0
[INFO] [stderr]    Compiling const-random-macro v0.1.13
[INFO] [stderr]     Checking term v0.7.0
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[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
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[INFO] [stderr]     Checking curve25519-dalek v3.0.2
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[INFO] [stderr]    Compiling enum-primitive-derive v0.1.2
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[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr] error: could not compile `combine`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name combine /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/combine-3.8.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=80adc416adabeb1d -C extra-filename=-80adc416adabeb1d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ascii=/opt/rustwide/target/debug/deps/libascii-a94e1662d5f688bb.rmeta --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-614939e0cd8a9be1.rmeta --extern either=/opt/rustwide/target/debug/deps/libeither-a9a01532e571af60.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-fd7a6244e686669a.rmeta --extern unreachable=/opt/rustwide/target/debug/deps/libunreachable-53d5e9b837864691.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" "b636fd13567b2e62c8a03c967d4774448e9929662b1c77ff3284d1a242e0abf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b636fd13567b2e62c8a03c967d4774448e9929662b1c77ff3284d1a242e0abf5", kill_on_drop: false }`
[INFO] [stdout] b636fd13567b2e62c8a03c967d4774448e9929662b1c77ff3284d1a242e0abf5