[INFO] fetching crate handshake-encoding 0.1.1...
[INFO] checking handshake-encoding-0.1.1 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate handshake-encoding 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate handshake-encoding 0.1.1 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate handshake-encoding 0.1.1
[INFO] finished tweaking crates.io crate handshake-encoding 0.1.1
[INFO] tweaked toml for crates.io crate handshake-encoding 0.1.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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 extended-primitives v0.3.5
[INFO] [stderr]   Downloaded encodings v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbdcafd539123f0d6058b3f4cf1c4e941a972c76c565ea063567e5bfa54321fb
[INFO] running `Command { std: "docker" "start" "-a" "dbdcafd539123f0d6058b3f4cf1c4e941a972c76c565ea063567e5bfa54321fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbdcafd539123f0d6058b3f4cf1c4e941a972c76c565ea063567e5bfa54321fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbdcafd539123f0d6058b3f4cf1c4e941a972c76c565ea063567e5bfa54321fb", kill_on_drop: false }`
[INFO] [stdout] dbdcafd539123f0d6058b3f4cf1c4e941a972c76c565ea063567e5bfa54321fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 155d0ce65f06a7ed1317a06001df8c061fc1cd2670f199c7d1425f40d35c3640
[INFO] running `Command { std: "docker" "start" "-a" "155d0ce65f06a7ed1317a06001df8c061fc1cd2670f199c7d1425f40d35c3640", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking encodings v0.1.0
[INFO] [stderr]     Checking extended-primitives v0.3.5
[INFO] [stderr]     Checking handshake-encoding v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `FromHex`, `ToHex`
[INFO] [stdout]  --> src/lib.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use encodings::hex::{FromHex, FromHexError, ToHex};
[INFO] [stdout]   |                      ^^^^^^^                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FromHex`, `ToHex`
[INFO] [stdout]  --> src/lib.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use encodings::hex::{FromHex, FromHexError, ToHex};
[INFO] [stdout]   |                      ^^^^^^^                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "155d0ce65f06a7ed1317a06001df8c061fc1cd2670f199c7d1425f40d35c3640", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "155d0ce65f06a7ed1317a06001df8c061fc1cd2670f199c7d1425f40d35c3640", kill_on_drop: false }`
[INFO] [stdout] 155d0ce65f06a7ed1317a06001df8c061fc1cd2670f199c7d1425f40d35c3640