[INFO] fetching crate iso7816 0.1.0-alpha.1...
[INFO] checking iso7816-0.1.0-alpha.1 against 1.55.0 for beta-1.56-3
[INFO] extracting crate iso7816 0.1.0-alpha.1 into /workspace/builds/worker-112/source
[INFO] validating manifest of crates.io crate iso7816 0.1.0-alpha.1 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 iso7816 0.1.0-alpha.1
[INFO] finished tweaking crates.io crate iso7816 0.1.0-alpha.1
[INFO] tweaked toml for crates.io crate iso7816 0.1.0-alpha.1 written to /workspace/builds/worker-112/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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hash32 v0.2.1
[INFO] [stderr]   Downloaded critical-section v0.2.4
[INFO] [stderr]   Downloaded riscv v0.7.0
[INFO] [stderr]   Downloaded bare-metal v1.0.0
[INFO] [stderr]   Downloaded bit_field v0.10.1
[INFO] [stderr]   Downloaded atomic-polyfill v0.1.4
[INFO] [stderr]   Downloaded riscv-target v0.1.2
[INFO] [stderr]   Downloaded spin v0.9.2
[INFO] [stderr]   Downloaded heapless v0.7.7
[INFO] [stderr]   Downloaded delog v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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] 19d8e232e2393f88f6fdb86fd61e55b6bea0cd6aaf710e5da90bd1f8b902aba1
[INFO] running `Command { std: "docker" "start" "-a" "19d8e232e2393f88f6fdb86fd61e55b6bea0cd6aaf710e5da90bd1f8b902aba1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19d8e232e2393f88f6fdb86fd61e55b6bea0cd6aaf710e5da90bd1f8b902aba1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19d8e232e2393f88f6fdb86fd61e55b6bea0cd6aaf710e5da90bd1f8b902aba1", kill_on_drop: false }`
[INFO] [stdout] 19d8e232e2393f88f6fdb86fd61e55b6bea0cd6aaf710e5da90bd1f8b902aba1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07fc292a7f39db67bd8ac020dba757c91870e48cfdfde3f9a2722e1fb16b8dd4
[INFO] running `Command { std: "docker" "start" "-a" "07fc292a7f39db67bd8ac020dba757c91870e48cfdfde3f9a2722e1fb16b8dd4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling delog v0.1.2
[INFO] [stderr]    Compiling heapless v0.7.7
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling hex-literal v0.3.3
[INFO] [stderr]     Checking spin v0.9.2
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking iso7816 v0.1.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `command`
[INFO] [stdout]    --> src/command.rs:252:13
[INFO] [stdout]     |
[INFO] [stdout] 252 |         let command = Command::<256>::try_from(apdu).unwrap();
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command`
[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 2.99s
[INFO] running `Command { std: "docker" "inspect" "07fc292a7f39db67bd8ac020dba757c91870e48cfdfde3f9a2722e1fb16b8dd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07fc292a7f39db67bd8ac020dba757c91870e48cfdfde3f9a2722e1fb16b8dd4", kill_on_drop: false }`
[INFO] [stdout] 07fc292a7f39db67bd8ac020dba757c91870e48cfdfde3f9a2722e1fb16b8dd4
