[INFO] fetching crate interledger-spsp 0.4.0...
[INFO] testing interledger-spsp-0.4.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate interledger-spsp 0.4.0 into /workspace/builds/worker-45/source
[INFO] validating manifest of crates.io crate interledger-spsp 0.4.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate interledger-spsp 0.4.0
[INFO] finished tweaking crates.io crate interledger-spsp 0.4.0
[INFO] tweaked toml for crates.io crate interledger-spsp 0.4.0 written to /workspace/builds/worker-45/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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 interledger-stream v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac952a3d339b025dd99f547504b95f1c5433b4617b52fff38cb65e6b49d5878a
[INFO] running `Command { std: "docker" "start" "-a" "ac952a3d339b025dd99f547504b95f1c5433b4617b52fff38cb65e6b49d5878a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac952a3d339b025dd99f547504b95f1c5433b4617b52fff38cb65e6b49d5878a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac952a3d339b025dd99f547504b95f1c5433b4617b52fff38cb65e6b49d5878a", kill_on_drop: false }`
[INFO] [stdout] ac952a3d339b025dd99f547504b95f1c5433b4617b52fff38cb65e6b49d5878a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d8275e9ff61f45b90f1e6b7606aef6d990c052df378ec12f1cc8584b2c0f960
[INFO] running `Command { std: "docker" "start" "-a" "1d8275e9ff61f45b90f1e6b7606aef6d990c052df378ec12f1cc8584b2c0f960", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling object v0.26.2
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling interledger-packet v0.4.0
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stdout] error[E0425]: cannot find function `encode` in crate `hex`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/interledger-packet-0.4.0/src/packet.rs:252:23
[INFO] [stdout]     |
[INFO] [stdout] 252 |                 &hex::encode(self.execution_condition()),
[INFO] [stdout]     |                       ^^^^^^ not found in `hex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `encode` in crate `hex`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/interledger-packet-0.4.0/src/packet.rs:366:41
[INFO] [stdout]     |
[INFO] [stdout] 366 |             .field("fulfillment", &hex::encode(self.fulfillment()))
[INFO] [stdout]     |                                         ^^^^^^ not found in `hex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `interledger-packet` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1d8275e9ff61f45b90f1e6b7606aef6d990c052df378ec12f1cc8584b2c0f960", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d8275e9ff61f45b90f1e6b7606aef6d990c052df378ec12f1cc8584b2c0f960", kill_on_drop: false }`
[INFO] [stdout] 1d8275e9ff61f45b90f1e6b7606aef6d990c052df378ec12f1cc8584b2c0f960