[INFO] fetching crate nfc-oath 0.2.0...
[INFO] checking nfc-oath-0.2.0 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate nfc-oath 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate nfc-oath 0.2.0 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nfc-oath 0.2.0
[INFO] finished tweaking crates.io crate nfc-oath 0.2.0
[INFO] tweaked toml for crates.io crate nfc-oath 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2176ae67ae79e50694f78ff08efd1d9ee3a48b097ed428fa6115911cd0ca5e6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c2176ae67ae79e50694f78ff08efd1d9ee3a48b097ed428fa6115911cd0ca5e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2176ae67ae79e50694f78ff08efd1d9ee3a48b097ed428fa6115911cd0ca5e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2176ae67ae79e50694f78ff08efd1d9ee3a48b097ed428fa6115911cd0ca5e6", kill_on_drop: false }`
[INFO] [stdout] c2176ae67ae79e50694f78ff08efd1d9ee3a48b097ed428fa6115911cd0ca5e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f42dfeddbfa782197d4a8a0cf5f426db4da02861c1aca5aaedd1809e687e2ce
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5f42dfeddbfa782197d4a8a0cf5f426db4da02861c1aca5aaedd1809e687e2ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling nfc-oath v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking nfc-sys v0.1.5
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking nfc v0.1.11
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:346:13
[INFO] [stdout]     |
[INFO] [stdout] 346 |             try!(fmt.write_str(&str));
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:415:52
[INFO] [stdout]     |
[INFO] [stdout] 415 |             let mut target: ffi::nfc_target = mem::uninitialized();
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:346:13
[INFO] [stdout]     |
[INFO] [stdout] 346 |             try!(fmt.write_str(&str));
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:415:52
[INFO] [stdout]     |
[INFO] [stdout] 415 |             let mut target: ffi::nfc_target = mem::uninitialized();
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `Struct_Unnamed16` does not permit being left uninitialized
[INFO] [stdout]    --> src/lib.rs:415:47
[INFO] [stdout]     |
[INFO] [stdout] 415 |             let mut target: ffi::nfc_target = mem::uninitialized();
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                               |
[INFO] [stdout]     |                                               this code causes undefined behavior when executed
[INFO] [stdout]     |                                               help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] note: enums have to be initialized to a variant
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nfc-0.1.11/src/ffi.rs:296:1
[INFO] [stdout]     |
[INFO] [stdout] 296 | / pub enum nfc_modulation_type {
[INFO] [stdout] 297 | |     NMT_ISO14443A = 1,
[INFO] [stdout] 298 | |     NMT_JEWEL = 2,
[INFO] [stdout] 299 | |     NMT_ISO14443B = 3,
[INFO] [stdout] ...   |
[INFO] [stdout] 304 | |     NMT_DEP = 8,
[INFO] [stdout] 305 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `Struct_Unnamed16` does not permit being left uninitialized
[INFO] [stdout]    --> src/lib.rs:415:47
[INFO] [stdout]     |
[INFO] [stdout] 415 |             let mut target: ffi::nfc_target = mem::uninitialized();
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                               |
[INFO] [stdout]     |                                               this code causes undefined behavior when executed
[INFO] [stdout]     |                                               help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] note: enums have to be initialized to a variant
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nfc-0.1.11/src/ffi.rs:296:1
[INFO] [stdout]     |
[INFO] [stdout] 296 | / pub enum nfc_modulation_type {
[INFO] [stdout] 297 | |     NMT_ISO14443A = 1,
[INFO] [stdout] 298 | |     NMT_JEWEL = 2,
[INFO] [stdout] 299 | |     NMT_ISO14443B = 3,
[INFO] [stdout] ...   |
[INFO] [stdout] 304 | |     NMT_DEP = 8,
[INFO] [stdout] 305 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `Command { std: "docker" "inspect" "5f42dfeddbfa782197d4a8a0cf5f426db4da02861c1aca5aaedd1809e687e2ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f42dfeddbfa782197d4a8a0cf5f426db4da02861c1aca5aaedd1809e687e2ce", kill_on_drop: false }`
[INFO] [stdout] 5f42dfeddbfa782197d4a8a0cf5f426db4da02861c1aca5aaedd1809e687e2ce