[INFO] fetching crate nfc-oath 0.2.0...
[INFO] checking nfc-oath-0.2.0 against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] extracting crate nfc-oath 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate nfc-oath 0.2.0 on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c5a38ccc390646873679142580ad5c26553125c77c52fa2e67a11547d123b7d
[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" "7c5a38ccc390646873679142580ad5c26553125c77c52fa2e67a11547d123b7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c5a38ccc390646873679142580ad5c26553125c77c52fa2e67a11547d123b7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c5a38ccc390646873679142580ad5c26553125c77c52fa2e67a11547d123b7d", kill_on_drop: false }`
[INFO] [stdout] 7c5a38ccc390646873679142580ad5c26553125c77c52fa2e67a11547d123b7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfbf686a419da3d0b90a2646a68221b4e3d792acee4c9caebaa65b099d5601a4
[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" "cfbf686a419da3d0b90a2646a68221b4e3d792acee4c9caebaa65b099d5601a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling nfc-oath v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking nfc-sys v0.1.5
[INFO] [stderr]     Checking nfc v0.1.11
[INFO] [stderr]     Checking env_logger v0.4.3
[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:415:47
[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:415:47
[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 3.67s
[INFO] running `Command { std: "docker" "inspect" "cfbf686a419da3d0b90a2646a68221b4e3d792acee4c9caebaa65b099d5601a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfbf686a419da3d0b90a2646a68221b4e3d792acee4c9caebaa65b099d5601a4", kill_on_drop: false }`
[INFO] [stdout] cfbf686a419da3d0b90a2646a68221b4e3d792acee4c9caebaa65b099d5601a4