[INFO] updating cached repository https://github.com/paritytech/parity-codec
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/paritytech/parity-codec
[INFO] [stderr]    6f6abb9..805e311  gui-wip-append-2 -> gui-wip-append-2
[INFO] [stderr]    c324f3e..c1e44b7  master           -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c1e44b7b4f60912a1d662013e35a8936c424852e
[INFO] checking paritytech/parity-codec against master#fe6d05a8b32f5c66c427ca524dbcce5a7145f87e for pr-64327
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparitytech%2Fparity-codec" "work/builds/worker-5/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/paritytech/parity-codec on toolchain fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/paritytech/parity-codec
[INFO] removed workspace from git repo https://github.com/paritytech/parity-codec
[INFO] removed path dependency parity-scale-codec-derive from git repo https://github.com/paritytech/parity-codec
[INFO] removed path dependency parity-scale-codec-derive from git repo https://github.com/paritytech/parity-codec
[INFO] finished tweaking git repo https://github.com/paritytech/parity-codec
[INFO] tweaked toml for git repo https://github.com/paritytech/parity-codec written to work/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/paritytech/parity-codec already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/builds/worker-5/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4f0fe3912f3a6d246727ceea0fde9ebbd21466307b6b77d65411af53d9e7d49b
[INFO] running `"docker" "start" "-a" "4f0fe3912f3a6d246727ceea0fde9ebbd21466307b6b77d65411af53d9e7d49b"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking bitvec v0.14.0
[INFO] [stderr]     Checking byte-slice-cast v0.3.2
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]    Compiling toml v0.5.3
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]    Compiling proc-macro-crate v0.1.4
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking parity-scale-codec v1.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking rayon-core v1.6.0
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]    Compiling parity-scale-codec-derive v1.0.2
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr] error: private type `private_type_in_where_bound::Private` in public interface (error E0446)
[INFO] [stderr]    --> tests/mod.rs:465:37
[INFO] [stderr]     |
[INFO] [stderr] 465 |     #[derive(Debug, PartialEq, Encode, Decode, Default)]
[INFO] [stderr]     |                                        ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> tests/mod.rs:460:10
[INFO] [stderr]     |
[INFO] [stderr] 460 |     #![deny(warnings)]
[INFO] [stderr]     |             ^^^^^^^^
[INFO] [stderr]     = note: `#[deny(private_in_public)]` implied by `#[deny(warnings)]`
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] error: private type `private_type_in_where_bound::Private` in public interface (error E0446)
[INFO] [stderr]    --> tests/mod.rs:465:29
[INFO] [stderr]     |
[INFO] [stderr] 465 |     #[derive(Debug, PartialEq, Encode, Decode, Default)]
[INFO] [stderr]     |                                ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `parity-scale-codec`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0599]: no method named `encode` found for type `bitvec::vec::BitVec` in the current scope
[INFO] [stderr]    --> benches/benches.rs:148:17
[INFO] [stderr]     |
[INFO] [stderr] 148 |         b.iter(|| vec.encode())
[INFO] [stderr]     |                       ^^^^^^ method not found in `bitvec::vec::BitVec`
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `encode` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `bitvec::slice::BitSlice : _IMPL_DECODE_FOR_Event::_parity_scale_codec::Encode`
[INFO] [stderr]             `bitvec::vec::BitVec : _IMPL_DECODE_FOR_Event::_parity_scale_codec::Encode`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `encode` found for type `bitvec::vec::BitVec` in the current scope
[INFO] [stderr]    --> benches/benches.rs:159:17
[INFO] [stderr]     |
[INFO] [stderr] 159 |         let vec = vec.encode();
[INFO] [stderr]     |                       ^^^^^^ method not found in `bitvec::vec::BitVec`
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `encode` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `bitvec::slice::BitSlice : _IMPL_DECODE_FOR_Event::_parity_scale_codec::Encode`
[INFO] [stderr]             `bitvec::vec::BitVec : _IMPL_DECODE_FOR_Event::_parity_scale_codec::Encode`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `bitvec::vec::BitVec: _IMPL_DECODE_FOR_Event::_parity_scale_codec::WrapperTypeDecode` is not satisfied
[INFO] [stderr]    --> benches/benches.rs:163:20
[INFO] [stderr]     |
[INFO] [stderr] 163 |             let _: BitVec = Decode::decode(&mut &vec[..]).unwrap();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^ the trait `_IMPL_DECODE_FOR_Event::_parity_scale_codec::WrapperTypeDecode` is not implemented for `bitvec::vec::BitVec`
[INFO] [stderr]     |
[INFO] [stderr]     = note: required because of the requirements on the impl of `_IMPL_DECODE_FOR_Event::_parity_scale_codec::Decode` for `bitvec::vec::BitVec`
[INFO] [stderr]     = note: required by `_IMPL_DECODE_FOR_Event::_parity_scale_codec::Decode::decode`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `parity-scale-codec`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "4f0fe3912f3a6d246727ceea0fde9ebbd21466307b6b77d65411af53d9e7d49b"`
[INFO] running `"docker" "rm" "-f" "4f0fe3912f3a6d246727ceea0fde9ebbd21466307b6b77d65411af53d9e7d49b"`
[INFO] [stdout] 4f0fe3912f3a6d246727ceea0fde9ebbd21466307b6b77d65411af53d9e7d49b