[INFO] cloning repository https://github.com/0x2bc/Polkadot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0x2bc/Polkadot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x2bc%2FPolkadot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x2bc%2FPolkadot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f6a21f2b2f99d695b1704108d283b52bce8658b7
[INFO] checking 0x2bc/Polkadot against try#54cf65b8d066c082e536455049b95943cf30378f for pr-151920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x2bc%2FPolkadot" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/0x2bc/Polkadot
[INFO] finished tweaking git repo https://github.com/0x2bc/Polkadot
[INFO] tweaked toml for git repo https://github.com/0x2bc/Polkadot written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0x2bc/Polkadot on toolchain 54cf65b8d066c082e536455049b95943cf30378f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/0x2bc/Polkadot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c416b24e343f502e0249b561d3387d6dcc05390f99264aefb59f4c1a82d9cdf6
[INFO] running `Command { std: "docker" "start" "-a" "c416b24e343f502e0249b561d3387d6dcc05390f99264aefb59f4c1a82d9cdf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c416b24e343f502e0249b561d3387d6dcc05390f99264aefb59f4c1a82d9cdf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c416b24e343f502e0249b561d3387d6dcc05390f99264aefb59f4c1a82d9cdf6", kill_on_drop: false }`
[INFO] [stdout] c416b24e343f502e0249b561d3387d6dcc05390f99264aefb59f4c1a82d9cdf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f1912f2a55cdc6ba9571e3d49542643a7d6c44659d82e42e9efdeab50ebf702
[INFO] running `Command { std: "docker" "start" "-a" "8f1912f2a55cdc6ba9571e3d49542643a7d6c44659d82e42e9efdeab50ebf702", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking subtle v2.2.3
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking signature v1.1.0
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking ed25519 v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]     Checking wasmparser v0.57.0
[INFO] [stdout] error[E0038]: the trait `order::BitOrder` is not dyn compatible
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bitvec-0.17.4/src/lib.rs:124:20
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub type Cursor = crate::order::BitOrder;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^ `order::BitOrder` is not dyn compatible
[INFO] [stdout]     |
[INFO] [stdout] note: for a trait to be dyn compatible it needs to allow building a vtable
[INFO] [stdout]       for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bitvec-0.17.4/src/order.rs:45:8
[INFO] [stdout]     |
[INFO] [stdout]  43 | pub trait BitOrder {
[INFO] [stdout]     |           -------- this trait is not dyn compatible...
[INFO] [stdout]  44 |     /// Name of the ordering type, for use in text display.
[INFO] [stdout]  45 |     const TYPENAME: &'static str;
[INFO] [stdout]     |           ^^^^^^^^ ...because it contains associated const `TYPENAME`
[INFO] [stdout]     = help: consider moving `TYPENAME` to another trait
[INFO] [stdout]     = help: the following types implement `order::BitOrder`:
[INFO] [stdout]               order::Msb0
[INFO] [stdout]               order::Lsb0
[INFO] [stdout]             consider defining an enum where each variant holds one of these types,
[INFO] [stdout]             implementing `order::BitOrder` for this new enum and using it instead
[INFO] [stdout]     = note: `order::BitOrder` may be implemented in other crates; if you want to support your users passing their own types here, you can't refer to a specific type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking uint v0.8.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking tracing-core v0.1.16
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stdout] For more information about this error, try `rustc --explain E0038`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bitvec` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8f1912f2a55cdc6ba9571e3d49542643a7d6c44659d82e42e9efdeab50ebf702", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f1912f2a55cdc6ba9571e3d49542643a7d6c44659d82e42e9efdeab50ebf702", kill_on_drop: false }`
[INFO] [stdout] 8f1912f2a55cdc6ba9571e3d49542643a7d6c44659d82e42e9efdeab50ebf702
