[INFO] fetching crate webb-pedersen-hash 0.1.0...
[INFO] testing webb-pedersen-hash-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate webb-pedersen-hash 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate webb-pedersen-hash 0.1.0 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 webb-pedersen-hash 0.1.0
[INFO] finished tweaking crates.io crate webb-pedersen-hash 0.1.0
[INFO] tweaked toml for crates.io crate webb-pedersen-hash 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 48831529be929d1d1fe3fc351ca6714fb175b5b0e2a2485cd860d3b77fd2ec6b
[INFO] running `Command { std: "docker" "start" "-a" "48831529be929d1d1fe3fc351ca6714fb175b5b0e2a2485cd860d3b77fd2ec6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48831529be929d1d1fe3fc351ca6714fb175b5b0e2a2485cd860d3b77fd2ec6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48831529be929d1d1fe3fc351ca6714fb175b5b0e2a2485cd860d3b77fd2ec6b", kill_on_drop: false }`
[INFO] [stdout] 48831529be929d1d1fe3fc351ca6714fb175b5b0e2a2485cd860d3b77fd2ec6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ecd3d320f7a92bbedb38029b3847f929092dc9b0b13c1a5d3366dbf9e200021e
[INFO] running `Command { std: "docker" "start" "-a" "ecd3d320f7a92bbedb38029b3847f929092dc9b0b13c1a5d3366dbf9e200021e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.2
[INFO] [stderr]    Compiling tracing-core v0.1.19
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling ark-serialize-derive v0.3.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling ark-ff-asm v0.3.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling blake2 v0.9.2
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling tracing-subscriber v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]    Compiling ark-std v0.3.0
[INFO] [stderr]    Compiling ark-serialize v0.3.0
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling zeroize v1.4.1
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling ark-ff v0.3.0
[INFO] [stderr]    Compiling ark-ff-macros v0.3.0
[INFO] [stderr]    Compiling ark-ec v0.3.0
[INFO] [stderr]    Compiling ark-relations v0.3.0
[INFO] [stderr]    Compiling ark-snark v0.3.0
[INFO] [stderr]    Compiling ark-r1cs-std v0.3.1
[INFO] [stderr]    Compiling ark-bn254 v0.3.0
[INFO] [stderr]    Compiling ark-nonnative-field v0.3.0
[INFO] [stderr]    Compiling ark-ed-on-bn254 v0.3.0
[INFO] [stderr]    Compiling ark-crypto-primitives v0.3.0
[INFO] [stderr]    Compiling webb-pedersen-hash v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.26s
[INFO] running `Command { std: "docker" "inspect" "ecd3d320f7a92bbedb38029b3847f929092dc9b0b13c1a5d3366dbf9e200021e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecd3d320f7a92bbedb38029b3847f929092dc9b0b13c1a5d3366dbf9e200021e", kill_on_drop: false }`
[INFO] [stdout] ecd3d320f7a92bbedb38029b3847f929092dc9b0b13c1a5d3366dbf9e200021e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab3808bcc0b9441977bc5b7d94f77c853bf6ac153dcbc181eaf14ef3ceeadd8e
[INFO] running `Command { std: "docker" "start" "-a" "ab3808bcc0b9441977bc5b7d94f77c853bf6ac153dcbc181eaf14ef3ceeadd8e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling webb-pedersen-hash v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `encode` in crate `hex`
[INFO] [stdout]   --> src/lib.rs:48:25
[INFO] [stdout]    |
[INFO] [stdout] 48 |         assert_eq!(hex::encode(out), actual);
[INFO] [stdout]    |                         ^^^^^^ not found in `hex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `webb-pedersen-hash` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ab3808bcc0b9441977bc5b7d94f77c853bf6ac153dcbc181eaf14ef3ceeadd8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab3808bcc0b9441977bc5b7d94f77c853bf6ac153dcbc181eaf14ef3ceeadd8e", kill_on_drop: false }`
[INFO] [stdout] ab3808bcc0b9441977bc5b7d94f77c853bf6ac153dcbc181eaf14ef3ceeadd8e