[INFO] fetching crate holo_hash 0.0.6...
[INFO] checking holo_hash-0.0.6 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate holo_hash 0.0.6 into /workspace/builds/worker-105/source
[INFO] validating manifest of crates.io crate holo_hash 0.0.6 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate holo_hash 0.0.6
[INFO] finished tweaking crates.io crate holo_hash 0.0.6
[INFO] tweaked toml for crates.io crate holo_hash 0.0.6 written to /workspace/builds/worker-105/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d7519e9f2ef97ab8a7c6fc378ffb940b69666fbb73950d9e693f08902651c97
[INFO] running `Command { std: "docker" "start" "-a" "1d7519e9f2ef97ab8a7c6fc378ffb940b69666fbb73950d9e693f08902651c97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d7519e9f2ef97ab8a7c6fc378ffb940b69666fbb73950d9e693f08902651c97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d7519e9f2ef97ab8a7c6fc378ffb940b69666fbb73950d9e693f08902651c97", kill_on_drop: false }`
[INFO] [stdout] 1d7519e9f2ef97ab8a7c6fc378ffb940b69666fbb73950d9e693f08902651c97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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=forbid" "-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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2acd09598827ed641b0aa901e6def78b0b90b6d88af83016b403eafcfadf2dd5
[INFO] running `Command { std: "docker" "start" "-a" "2acd09598827ed641b0aa901e6def78b0b90b6d88af83016b403eafcfadf2dd5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking rmp v0.8.10
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling holochain_serialized_bytes_derive v0.0.51
[INFO] [stderr]     Checking thiserror v1.0.29
[INFO] [stderr]     Checking rmp-serde v0.15.5
[INFO] [stderr]     Checking serde-transcode v1.1.1
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking holochain_serialized_bytes v0.0.51
[INFO] [stderr]     Checking holo_hash v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/hash.rs:254:33
[INFO] [stdout]     |
[INFO] [stdout] 254 |     fn assert_type<T: HashType>(t: &str, h: HoloHash<T>) {
[INFO] [stdout]     |                                 ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 41s
[INFO] running `Command { std: "docker" "inspect" "2acd09598827ed641b0aa901e6def78b0b90b6d88af83016b403eafcfadf2dd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2acd09598827ed641b0aa901e6def78b0b90b6d88af83016b403eafcfadf2dd5", kill_on_drop: false }`
[INFO] [stdout] 2acd09598827ed641b0aa901e6def78b0b90b6d88af83016b403eafcfadf2dd5