[INFO] cloning repository https://github.com/DancingAxolotl/parity-contract-listener-poc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DancingAxolotl/parity-contract-listener-poc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDancingAxolotl%2Fparity-contract-listener-poc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDancingAxolotl%2Fparity-contract-listener-poc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0e0d9674d23540b58bfc7e8febd5e0b7cd2a36e6
[INFO] checking DancingAxolotl/parity-contract-listener-poc against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDancingAxolotl%2Fparity-contract-listener-poc" "/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/DancingAxolotl/parity-contract-listener-poc on toolchain 4a04890980766cc79878135f5ade8c0c4321e943
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-11/source/.cargo/config
[INFO] started tweaking git repo https://github.com/DancingAxolotl/parity-contract-listener-poc
[INFO] finished tweaking git repo https://github.com/DancingAxolotl/parity-contract-listener-poc
[INFO] tweaked toml for git repo https://github.com/DancingAxolotl/parity-contract-listener-poc written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/DancingAxolotl/parity-contract-listener-poc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/cheme/heapsize.git`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/rust-secp256k1`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/app-dirs-rs`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/bn`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/jsonrpc.git`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/hidapi-rs`
[INFO] [stderr]     Updating git submodule `https://github.com/paritytech/hidapi.git`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/libusb-rs`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/trezor-sys`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/rust-ctrlc.git`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/libusb-sys`
[INFO] [stderr]     Updating git repository `https://github.com/tomusdrw/ws-rs`
[INFO] [stderr]  Downloading crates ...
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[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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "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] 7652a11d47bda498f9f2e01b057c4f2e16b9ab6a5e8f4c23ee8065e8886cff92
[INFO] running `Command { std: "docker" "start" "-a" "7652a11d47bda498f9f2e01b057c4f2e16b9ab6a5e8f4c23ee8065e8886cff92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7652a11d47bda498f9f2e01b057c4f2e16b9ab6a5e8f4c23ee8065e8886cff92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7652a11d47bda498f9f2e01b057c4f2e16b9ab6a5e8f4c23ee8065e8886cff92", kill_on_drop: false }`
[INFO] [stdout] 7652a11d47bda498f9f2e01b057c4f2e16b9ab6a5e8f4c23ee8065e8886cff92
[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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2838a73e5ddf61cc0d0b21ae2dcd7af3bc8775ef365f46948f380ae031b41a7
[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" "b2838a73e5ddf61cc0d0b21ae2dcd7af3bc8775ef365f46948f380ae031b41a7", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling heapsize v0.4.2 (https://github.com/cheme/heapsize.git?branch=ec-macfix#421df390)
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]     Checking scopeguard v0.3.3
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[INFO] [stderr]    Compiling gcc v0.3.55
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[INFO] [stderr]     Checking edit-distance v2.0.1
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[INFO] [stderr]     Checking memzero v0.1.0 (/opt/rustwide/workdir/util/memzero)
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[INFO] [stderr]     Checking primal-estimate v0.2.1
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[INFO] [stderr]    Compiling rayon-core v1.4.1
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[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]     Checking nan-preserving-float v0.1.0
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[INFO] [stderr]     Checking macros v0.1.0 (/opt/rustwide/workdir/util/macros)
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[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking siphasher v0.1.3
[INFO] [stderr]     Checking using_queue v0.1.0 (/opt/rustwide/workdir/miner/using-queue)
[INFO] [stderr]     Checking ipnetwork v0.12.8
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking parity-path v0.1.1
[INFO] [stderr]     Checking slab v0.2.0
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking arrayref v0.3.5
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ipnetwork-0.12.8/src/ipv6.rs:222:9
[INFO] [stdout]     |
[INFO] [stdout] 222 |     for &segment in &mut mask_iter {
[INFO] [stdout]     |         ^^^^^^^^    -------------- this expression has type `u16`
[INFO] [stdout]     |         |
[INFO] [stdout]     |         expected `u16`, found reference
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected type `u16`
[INFO] [stdout]             found reference `&_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ipnetwork-0.12.8/src/ipv6.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 |     for &segment in mask_iter {
[INFO] [stdout]     |         ^^^^^^^^    --------- this expression has type `u16`
[INFO] [stdout]     |         |
[INFO] [stdout]     |         expected `u16`, found reference
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected type `u16`
[INFO] [stdout]             found reference `&_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ipnetwork`
[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" "b2838a73e5ddf61cc0d0b21ae2dcd7af3bc8775ef365f46948f380ae031b41a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2838a73e5ddf61cc0d0b21ae2dcd7af3bc8775ef365f46948f380ae031b41a7", kill_on_drop: false }`
[INFO] [stdout] b2838a73e5ddf61cc0d0b21ae2dcd7af3bc8775ef365f46948f380ae031b41a7