[INFO] fetching crate multihash 0.15.0...
[INFO] checking multihash-0.15.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate multihash 0.15.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate multihash 0.15.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate multihash 0.15.0
[INFO] finished tweaking crates.io crate multihash 0.15.0
[INFO] tweaked toml for crates.io crate multihash 0.15.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate multihash 0.15.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parity-scale-codec-derive v2.1.0
[INFO] [stderr]   Downloaded strobe-rs v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f60dbb4474bb8dd957136522e030de7c9de2e5353acaf0c323a942fda67278c2
[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" "f60dbb4474bb8dd957136522e030de7c9de2e5353acaf0c323a942fda67278c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f60dbb4474bb8dd957136522e030de7c9de2e5353acaf0c323a942fda67278c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f60dbb4474bb8dd957136522e030de7c9de2e5353acaf0c323a942fda67278c2", kill_on_drop: false }`
[INFO] [stdout] f60dbb4474bb8dd957136522e030de7c9de2e5353acaf0c323a942fda67278c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 498df91f9e81e16f2ac5c0e2bda1916a7154adf6c41985cc4de2cc3d1cd8b675
[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" "498df91f9e81e16f2ac5c0e2bda1916a7154adf6c41985cc4de2cc3d1cd8b675", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling serde v1.0.119
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.119
[INFO] [stderr]     Checking arrayvec v0.7.0
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking unsigned-varint v0.7.0
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling blake3 v1.0.0
[INFO] [stderr]     Checking blake2b_simd v0.5.11
[INFO] [stderr]     Checking blake2s_simd v0.5.11
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.2
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking tinytemplate v1.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling thiserror v1.0.25
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling multihash-derive v0.7.2
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stderr]     Checking multihash v0.15.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved imports `multihash::Sha1`, `multihash::Sha1Digest`, `multihash::Strobe256`, `multihash::Strobe512`, `multihash::StrobeDigest`
[INFO] [stdout]  --> tests/lib.rs:6:69
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Keccak256, Keccak384, Keccak512, KeccakDigest, MultihashDigest, Sha1, Sha1Digest, Sha2Digest,
[INFO] [stdout]   |                                                                     ^^^^  ^^^^^^^^^^
[INFO] [stdout]   |                                                                     |     |
[INFO] [stdout]   |                                                                     |     no `Sha1Digest` in the root
[INFO] [stdout]   |                                                                     |     help: a similar name exists in the module: `Sha2Digest`
[INFO] [stdout]   |                                                                     no `Sha1` in the root
[INFO] [stdout] 7 |     Sha2_256, Sha2_512, Sha3Digest, Sha3_224, Sha3_256, Sha3_384, Sha3_512, StatefulHasher,
[INFO] [stdout] 8 |     Strobe256, Strobe512, StrobeDigest, U16, U20, U28, U32, U48, U64,
[INFO] [stdout]   |     ^^^^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^^ no `StrobeDigest` in the root
[INFO] [stdout]   |     |          |
[INFO] [stdout]   |     |          no `Strobe512` in the root
[INFO] [stdout]   |     no `Strobe256` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rand`
[INFO] [stdout]  --> src/arb.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::{
[INFO] [stdout]   |     ^^^^ use of undeclared crate or module `rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `quickcheck`
[INFO] [stdout]  --> src/arb.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use quickcheck::{Arbitrary, Gen};
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `quickcheck`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rand`
[INFO] [stdout]  --> src/arb.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::{
[INFO] [stdout]   |     ^^^^ use of undeclared crate or module `rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `multihash::Sha1`, `multihash::Strobe256`, `multihash::Strobe512`
[INFO] [stdout]  --> benches/multihash.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Keccak384, Keccak512, Sha1, Sha2_256, Sha2_512, Sha3_224, Sha3_256, Sha3_384, Sha3_512,
[INFO] [stdout]   |                           ^^^^ no `Sha1` in the root
[INFO] [stdout] 7 |     StatefulHasher, Strobe256, Strobe512,
[INFO] [stdout]   |                     ^^^^^^^^^  ^^^^^^^^^ no `Strobe512` in the root
[INFO] [stdout]   |                     |
[INFO] [stdout]   |                     no `Strobe256` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rand`
[INFO] [stdout]  --> benches/multihash.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::Rng;
[INFO] [stdout]   |     ^^^^ use of undeclared crate or module `rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `WeightedIndex`
[INFO] [stdout]   --> src/arb.rs:15:20
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let dist = WeightedIndex::new(weights.iter()).unwrap();
[INFO] [stdout]    |                    ^^^^^^^^^^^^^ use of undeclared type `WeightedIndex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rand`
[INFO] [stdout]   --> benches/multihash.rs:46:19
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let mut rng = rand::thread_rng();
[INFO] [stdout]    |                   ^^^^ use of undeclared crate or module `rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rand`
[INFO] [stdout]   --> benches/multihash.rs:72:19
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let mut rng = rand::thread_rng();
[INFO] [stdout]    |                   ^^^^ use of undeclared crate or module `rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `multihash` due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0412]: cannot find type `MultihashGeneric` in the crate root
[INFO] [stdout]   --> tests/lib.rs:11:34
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Clone, Copy, Debug, Eq, Multihash, PartialEq)]
[INFO] [stdout]    |                                  ^^^^^^^^^ not found in the crate root
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Multihash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  | use multihash::MultihashGeneric;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Size` in the crate root
[INFO] [stdout]   --> tests/lib.rs:11:34
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Clone, Copy, Debug, Eq, Multihash, PartialEq)]
[INFO] [stdout]    |                                  ^^^^^^^^^ not found in the crate root
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Multihash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]    |
[INFO] [stdout] 1  | use multihash::Size;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Digest` in the crate root
[INFO] [stdout]   --> tests/lib.rs:11:34
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Clone, Copy, Debug, Eq, Multihash, PartialEq)]
[INFO] [stdout]    |                                  ^^^^^^^^^ not found in the crate root
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Multihash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  | use digest::Digest;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use multihash::Digest;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use sha_2::Digest;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use sha_3::Digest;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Error` in the crate root
[INFO] [stdout]   --> tests/lib.rs:11:34
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Clone, Copy, Debug, Eq, Multihash, PartialEq)]
[INFO] [stdout]    |                                  ^^^^^^^^^ not found in the crate root
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Multihash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  | use core::fmt::Error;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use multihash::Error;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use serde_json::Error;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::error::Error;
[INFO] [stdout]    |
[INFO] [stdout]      and 3 other candidates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Error` in the crate root
[INFO] [stdout]   --> tests/lib.rs:11:34
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Clone, Copy, Debug, Eq, Multihash, PartialEq)]
[INFO] [stdout]    |                                  ^^^^^^^^^ not found in the crate root
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Multihash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  | use core::fmt::Error;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use multihash::Error;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use serde_json::Error;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::error::Error;
[INFO] [stdout]    |
[INFO] [stdout]      and 3 other candidates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0412, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "498df91f9e81e16f2ac5c0e2bda1916a7154adf6c41985cc4de2cc3d1cd8b675", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "498df91f9e81e16f2ac5c0e2bda1916a7154adf6c41985cc4de2cc3d1cd8b675", kill_on_drop: false }`
[INFO] [stdout] 498df91f9e81e16f2ac5c0e2bda1916a7154adf6c41985cc4de2cc3d1cd8b675
