[INFO] fetching crate muta-protocol 0.1.0-alpha.1...
[INFO] checking muta-protocol-0.1.0-alpha.1 against try#09eeb2bacb9b40b2ed1d47f03177442c0632cda1 for pr-157710
[INFO] extracting crate muta-protocol 0.1.0-alpha.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate muta-protocol 0.1.0-alpha.1
[INFO] finished tweaking crates.io crate muta-protocol 0.1.0-alpha.1
[INFO] tweaked toml for crates.io crate muta-protocol 0.1.0-alpha.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate muta-protocol 0.1.0-alpha.1 on toolchain 09eeb2bacb9b40b2ed1d47f03177442c0632cda1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09eeb2bacb9b40b2ed1d47f03177442c0632cda1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09eeb2bacb9b40b2ed1d47f03177442c0632cda1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 116 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v1.3.3 (available: v3.0.0)
[INFO] [stderr]       Adding bytes v0.5.6 (available: v1.12.0)
[INFO] [stderr]       Adding cita_trie v2.0.0 (available: v6.0.1)
[INFO] [stderr]       Adding creep v0.1.1 (available: v0.3.0)
[INFO] [stderr]       Adding derive_more v0.15.0 (available: v2.1.1)
[INFO] [stderr]       Adding ethbloom v0.8.1 (available: v0.14.1)
[INFO] [stderr]       Adding hex v0.3.2 (available: v0.4.3)
[INFO] [stderr]       Adding num-bigint v0.2.6 (available: v0.4.6)
[INFO] [stderr]       Adding prost v0.6.1 (available: v0.14.4)
[INFO] [stderr]       Adding rand v0.6.5 (available: v0.10.1)
[INFO] [stderr]       Adding rlp v0.4.6 (available: v0.6.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09eeb2bacb9b40b2ed1d47f03177442c0632cda1" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hasher v0.1.4
[INFO] [stderr]   Downloaded impl-serde v0.2.3
[INFO] [stderr]   Downloaded rlp v0.4.6
[INFO] [stderr]   Downloaded ethereum-types v0.4.2
[INFO] [stderr]   Downloaded ethbloom v0.8.1
[INFO] [stderr]   Downloaded impl-rlp v0.2.1
[INFO] [stderr]   Downloaded ethereum-types-serialize v0.2.2
[INFO] [stderr]   Downloaded ethbloom v0.5.3
[INFO] [stderr]   Downloaded creep v0.1.1
[INFO] [stderr]   Downloaded fixed-hash v0.2.5
[INFO] [stderr]   Downloaded cita_trie v2.0.0
[INFO] [stderr]   Downloaded uint v0.4.1
[INFO] [stderr]   Downloaded rlp v0.3.0
[INFO] [stderr]   Downloaded json v0.12.4
[INFO] [stderr]   Downloaded fixed-hash v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 083a07ec0dc729114471b2bf0daf7ab184114715acfeffcc0de531961ad8b74e
[INFO] running `Command { std: "docker" "start" "083a07ec0dc729114471b2bf0daf7ab184114715acfeffcc0de531961ad8b74e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "083a07ec0dc729114471b2bf0daf7ab184114715acfeffcc0de531961ad8b74e" "/opt/rustwide/cargo-home/bin/cargo" "+09eeb2bacb9b40b2ed1d47f03177442c0632cda1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "083a07ec0dc729114471b2bf0daf7ab184114715acfeffcc0de531961ad8b74e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "083a07ec0dc729114471b2bf0daf7ab184114715acfeffcc0de531961ad8b74e" "/opt/rustwide/cargo-home/bin/cargo" "+09eeb2bacb9b40b2ed1d47f03177442c0632cda1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling zerocopy v0.8.52
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling memchr v2.8.2
[INFO] [stderr]     Checking futures-core v0.3.32
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking futures-sink v0.3.32
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]     Checking slab v0.4.12
[INFO] [stderr]    Compiling either v1.16.0
[INFO] [stderr]    Compiling regex-syntax v0.8.11
[INFO] [stderr]     Checking futures-channel v0.3.32
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking uint v0.4.1
[INFO] [stderr]     Checking rlp v0.4.6
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking lock_api v0.2.0
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking hasher v0.1.4
[INFO] [stderr]     Checking hashbrown v0.3.1
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking impl-rlp v0.2.1
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking fixed-hash v0.2.5
[INFO] [stderr]     Checking serde_json v1.0.150
[INFO] [stderr]     Checking creep v0.1.1
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking rayon v1.12.0
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]     Checking prost v0.6.1
[INFO] [stderr]    Compiling regex v1.12.4
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]     Checking fixed-hash v0.5.2
[INFO] [stderr]     Checking futures-executor v0.3.32
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking futures v0.3.32
[INFO] [stderr]     Checking ethereum-types-serialize v0.2.2
[INFO] [stderr]     Checking impl-serde v0.2.3
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking ethbloom v0.8.1
[INFO] [stderr]     Checking ethbloom v0.5.3
[INFO] [stderr]     Checking ethereum-types v0.4.2
[INFO] [stderr]     Checking rlp v0.3.0
[INFO] [stderr]     Checking cita_trie v2.0.0
[INFO] [stderr]     Checking muta-protocol v0.1.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `field` and `impl_default_bytes_codec_for`
[INFO] [stdout]   --> src/codec/epoch.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     field, impl_default_bytes_codec_for,
[INFO] [stdout]    |     ^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `field` and `impl_default_bytes_codec_for`
[INFO] [stdout]   --> src/codec/primitive.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     field, impl_default_bytes_codec_for,
[INFO] [stdout]    |     ^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `field` and `impl_default_bytes_codec_for`
[INFO] [stdout]  --> src/codec/receipt.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     field, impl_default_bytes_codec_for,
[INFO] [stdout]   |     ^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `field` and `impl_default_bytes_codec_for`
[INFO] [stdout]  --> src/codec/transaction.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     field, impl_default_bytes_codec_for,
[INFO] [stdout]   |     ^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `impl_default_fixed_codec_for`
[INFO] [stdout]  --> src/fixed_codec/epoch.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::{impl_default_fixed_codec_for, ProtocolResult};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `impl_default_fixed_codec_for`
[INFO] [stdout]  --> src/fixed_codec/primitive.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::{impl_default_fixed_codec_for, ProtocolResult};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `impl_default_fixed_codec_for`
[INFO] [stdout]  --> src/fixed_codec/receipt.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{impl_default_fixed_codec_for, ProtocolResult};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `impl_default_fixed_codec_for`
[INFO] [stdout]  --> src/fixed_codec/transaction.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::{impl_default_fixed_codec_for, ProtocolResult};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `field` and `impl_default_bytes_codec_for`
[INFO] [stdout]   --> src/codec/epoch.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     field, impl_default_bytes_codec_for,
[INFO] [stdout]    |     ^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `field` and `impl_default_bytes_codec_for`
[INFO] [stdout]   --> src/codec/primitive.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     field, impl_default_bytes_codec_for,
[INFO] [stdout]    |     ^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `field` and `impl_default_bytes_codec_for`
[INFO] [stdout]  --> src/codec/receipt.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     field, impl_default_bytes_codec_for,
[INFO] [stdout]   |     ^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `field` and `impl_default_bytes_codec_for`
[INFO] [stdout]  --> src/codec/transaction.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     field, impl_default_bytes_codec_for,
[INFO] [stdout]   |     ^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `impl_default_fixed_codec_for`
[INFO] [stdout]  --> src/fixed_codec/epoch.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::{impl_default_fixed_codec_for, ProtocolResult};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `impl_default_fixed_codec_for`
[INFO] [stdout]  --> src/fixed_codec/primitive.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::{impl_default_fixed_codec_for, ProtocolResult};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `impl_default_fixed_codec_for`
[INFO] [stdout]  --> src/fixed_codec/receipt.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{impl_default_fixed_codec_for, ProtocolResult};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `impl_default_fixed_codec_for`
[INFO] [stdout]  --> src/fixed_codec/transaction.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::{impl_default_fixed_codec_for, ProtocolResult};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/traits/binding.rs:232:55
[INFO] [stdout]     |
[INFO] [stdout] 232 |     fn iter<'a>(&'a self) -> Box<dyn Iterator<Item = (&Key, Value)> + 'a>;
[INFO] [stdout]     |                  -- the lifetime is named here        ^^^^ the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 232 |     fn iter<'a>(&'a self) -> Box<dyn Iterator<Item = (&'a Key, Value)> + 'a>;
[INFO] [stdout]     |                                                        ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `test` is declared but not used
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/traits/binding.rs:232:55
[INFO] [stdout]     |
[INFO] [stdout] 232 |     fn iter<'a>(&'a self) -> Box<dyn Iterator<Item = (&Key, Value)> + 'a>;
[INFO] [stdout]     |                  -- the lifetime is named here        ^^^^ the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 232 |     fn iter<'a>(&'a self) -> Box<dyn Iterator<Item = (&'a Key, Value)> + 'a>;
[INFO] [stdout]     |                                                        ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.12s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: uint v0.4.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 8`
[INFO] running `Command { std: "docker" "inspect" "083a07ec0dc729114471b2bf0daf7ab184114715acfeffcc0de531961ad8b74e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "083a07ec0dc729114471b2bf0daf7ab184114715acfeffcc0de531961ad8b74e", kill_on_drop: false }`
[INFO] [stdout] 083a07ec0dc729114471b2bf0daf7ab184114715acfeffcc0de531961ad8b74e