[INFO] fetching crate multihash 0.14.0...
[INFO] testing multihash-0.14.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate multihash 0.14.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate multihash 0.14.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate multihash 0.14.0
[INFO] finished tweaking crates.io crate multihash 0.14.0
[INFO] tweaked toml for crates.io crate multihash 0.14.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate multihash 0.14.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "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] 25db9935bc8d5b5b9a688c97d730c7a9786027beaeecd40c68833e729f20faae
[INFO] running `Command { std: "docker" "start" "-a" "25db9935bc8d5b5b9a688c97d730c7a9786027beaeecd40c68833e729f20faae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25db9935bc8d5b5b9a688c97d730c7a9786027beaeecd40c68833e729f20faae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25db9935bc8d5b5b9a688c97d730c7a9786027beaeecd40c68833e729f20faae", kill_on_drop: false }`
[INFO] [stdout] 25db9935bc8d5b5b9a688c97d730c7a9786027beaeecd40c68833e729f20faae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", 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] 8e40e9ee328919aa50ae69f8327a446081630b6987ae3115d041268880e17a31
[INFO] running `Command { std: "docker" "start" "-a" "8e40e9ee328919aa50ae69f8327a446081630b6987ae3115d041268880e17a31", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling serde v1.0.119
[INFO] [stderr]    Compiling unsigned-varint v0.7.0
[INFO] [stderr]    Compiling blake3 v0.3.7
[INFO] [stderr]    Compiling blake2b_simd v0.5.11
[INFO] [stderr]    Compiling blake2s_simd v0.5.11
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling sha3 v0.9.1
[INFO] [stderr]    Compiling sha2 v0.9.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling toml v0.5.8
[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]    Compiling multihash v0.14.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.27s
[INFO] running `Command { std: "docker" "inspect" "8e40e9ee328919aa50ae69f8327a446081630b6987ae3115d041268880e17a31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e40e9ee328919aa50ae69f8327a446081630b6987ae3115d041268880e17a31", kill_on_drop: false }`
[INFO] [stdout] 8e40e9ee328919aa50ae69f8327a446081630b6987ae3115d041268880e17a31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 556933e4e157f0b16e344a4a24342e28b512852c9d35180dd5e625a4a05ced2c
[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" "556933e4e157f0b16e344a4a24342e28b512852c9d35180dd5e625a4a05ced2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.119
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling tinytemplate v1.2.0
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling multihash v0.14.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved imports `multihash::Sha1`, `multihash::Sha1Digest`, `multihash::Strobe256`, `multihash::Strobe512`, `multihash::StrobeDigest`
[INFO] [stdout]  --> tests/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Sha1, Sha1Digest, Sha2Digest, Sha2_256, Sha2_512, Sha3Digest, Sha3_224, Sha3_256, Sha3_384,
[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] 8 |     Sha3_512, Size, StatefulHasher, Strobe256, Strobe512, StrobeDigest, U16, U20, U28, U32, U48,
[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[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: 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`
[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] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "556933e4e157f0b16e344a4a24342e28b512852c9d35180dd5e625a4a05ced2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "556933e4e157f0b16e344a4a24342e28b512852c9d35180dd5e625a4a05ced2c", kill_on_drop: false }`
[INFO] [stdout] 556933e4e157f0b16e344a4a24342e28b512852c9d35180dd5e625a4a05ced2c
