[INFO] fetching crate iso7816 0.1.0-alpha.1...
[INFO] checking iso7816-0.1.0-alpha.1 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate iso7816 0.1.0-alpha.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate iso7816 0.1.0-alpha.1 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 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-8/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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] e3f178ffc21a437ef7dfb334945bc2b406f7edf9dfd3f9b1d8b849891d011d8c
[INFO] running `Command { std: "docker" "start" "-a" "e3f178ffc21a437ef7dfb334945bc2b406f7edf9dfd3f9b1d8b849891d011d8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3f178ffc21a437ef7dfb334945bc2b406f7edf9dfd3f9b1d8b849891d011d8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3f178ffc21a437ef7dfb334945bc2b406f7edf9dfd3f9b1d8b849891d011d8c", kill_on_drop: false }`
[INFO] [stdout] e3f178ffc21a437ef7dfb334945bc2b406f7edf9dfd3f9b1d8b849891d011d8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 303de66ab4e19110d9e465ba1e7612a2b15bb608bba6f202df77291ef3e64d11
[INFO] running `Command { std: "docker" "start" "-a" "303de66ab4e19110d9e465ba1e7612a2b15bb608bba6f202df77291ef3e64d11", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling heapless v0.7.5
[INFO] [stderr]    Compiling delog v0.1.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling hex-literal v0.3.3
[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 2.57s
[INFO] running `Command { std: "docker" "inspect" "303de66ab4e19110d9e465ba1e7612a2b15bb608bba6f202df77291ef3e64d11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "303de66ab4e19110d9e465ba1e7612a2b15bb608bba6f202df77291ef3e64d11", kill_on_drop: false }`
[INFO] [stdout] 303de66ab4e19110d9e465ba1e7612a2b15bb608bba6f202df77291ef3e64d11