[INFO] cloning repository https://github.com/Frando/hypercore-protocol-rust-experiments
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Frando/hypercore-protocol-rust-experiments" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrando%2Fhypercore-protocol-rust-experiments", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrando%2Fhypercore-protocol-rust-experiments'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3186877a888c75fc99cee69588cc313fda9f5db5
[INFO] checking Frando/hypercore-protocol-rust-experiments against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrando%2Fhypercore-protocol-rust-experiments" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Frando/hypercore-protocol-rust-experiments on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Frando/hypercore-protocol-rust-experiments
[INFO] finished tweaking git repo https://github.com/Frando/hypercore-protocol-rust-experiments
[INFO] tweaked toml for git repo https://github.com/Frando/hypercore-protocol-rust-experiments written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/datrs/hypercore`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c3fbdad2b1e544978993a3bd2d89110721861ecb77a5d8c4de590c9d3979d47
[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" "2c3fbdad2b1e544978993a3bd2d89110721861ecb77a5d8c4de590c9d3979d47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c3fbdad2b1e544978993a3bd2d89110721861ecb77a5d8c4de590c9d3979d47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c3fbdad2b1e544978993a3bd2d89110721861ecb77a5d8c4de590c9d3979d47", kill_on_drop: false }`
[INFO] [stdout] 2c3fbdad2b1e544978993a3bd2d89110721861ecb77a5d8c4de590c9d3979d47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f5be17083bc759920e32788ba31cd4b01935e6f8963f5f5f94beae165e625ca
[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" "7f5be17083bc759920e32788ba31cd4b01935e6f8963f5f5f94beae165e625ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
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[INFO] [stderr]     Checking futures-channel v0.3.6
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[INFO] [stderr]     Checking block-padding v0.1.5
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[INFO] [stderr]    Compiling anyhow v1.0.33
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[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]    Compiling which v3.1.1
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[INFO] [stderr]     Checking pretty-bytes v0.2.2
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[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking aes v0.5.0
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[INFO] [stderr]     Checking async-io v1.1.9
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[INFO] [stderr]     Checking blocking v1.0.1
[INFO] [stderr]     Checking aes-gcm v0.7.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling snow v0.7.2
[INFO] [stderr]     Checking rayon-core v1.8.1
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[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking async-global-executor v1.3.0
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[INFO] [stderr]     Checking async-std v1.6.5
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking rayon v1.4.1
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking duplexify v1.2.1
[INFO] [stdout] error[E0453]: allow(explicit_outlives_requirements) overruled by outer forbid(rust_2018_idioms)
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/duplexify-1.2.1/src/lib.rs:42:1
[INFO] [stdout]    |
[INFO] [stdout] 34 |   #![forbid(unsafe_code, rust_2018_idioms)]
[INFO] [stdout]    |                          ---------------- `forbid` level set here
[INFO] [stdout] ...
[INFO] [stdout] 42 | / pin_project_lite::pin_project! {
[INFO] [stdout] 43 | |     /// Combine a reader + writer into a duplex of `Read` + `Write`.
[INFO] [stdout] 44 | |     #[derive(Debug)]
[INFO] [stdout] 45 | |     pub struct Duplex<R, W> {
[INFO] [stdout] ...  |
[INFO] [stdout] 50 | |     }
[INFO] [stdout] 51 | | }
[INFO] [stdout]    | |_^ overruled by previous forbid
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0453`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `duplexify`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7f5be17083bc759920e32788ba31cd4b01935e6f8963f5f5f94beae165e625ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f5be17083bc759920e32788ba31cd4b01935e6f8963f5f5f94beae165e625ca", kill_on_drop: false }`
[INFO] [stdout] 7f5be17083bc759920e32788ba31cd4b01935e6f8963f5f5f94beae165e625ca