[INFO] fetching crate unums 0.0.1...
[INFO] checking unums-0.0.1 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate unums 0.0.1 into /workspace/builds/worker-118/source
[INFO] validating manifest of crates.io crate unums 0.0.1 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 unums 0.0.1
[INFO] finished tweaking crates.io crate unums 0.0.1
[INFO] tweaked toml for crates.io crate unums 0.0.1 written to /workspace/builds/worker-118/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] warning: only one of `license` or `license-file` is necessary
[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-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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] 14ad75168b87173e0f229bbc08b3b57d3a7b728d82d054919f66f592611a8461
[INFO] running `Command { std: "docker" "start" "-a" "14ad75168b87173e0f229bbc08b3b57d3a7b728d82d054919f66f592611a8461", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14ad75168b87173e0f229bbc08b3b57d3a7b728d82d054919f66f592611a8461", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14ad75168b87173e0f229bbc08b3b57d3a7b728d82d054919f66f592611a8461", kill_on_drop: false }`
[INFO] [stdout] 14ad75168b87173e0f229bbc08b3b57d3a7b728d82d054919f66f592611a8461
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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] b37c21f24d33dbabdfaa90b8ba773421d2164d51a2490d3ed48a6025c77f156d
[INFO] running `Command { std: "docker" "start" "-a" "b37c21f24d33dbabdfaa90b8ba773421d2164d51a2490d3ed48a6025c77f156d", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]     Checking unums v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/type1/utils.rs:78:1
[INFO] [stdout]     |
[INFO] [stdout] 78  | / macro_rules! ImplFloatToUnumHelpers {
[INFO] [stdout] 79  | |     ($T:ty, $E:path) => {
[INFO] [stdout] 80  | |         impl ToUnumHelpers for $T {
[INFO] [stdout] 81  | |             #[inline(always)]
[INFO] [stdout] ...   |
[INFO] [stdout] 123 | |     };
[INFO] [stdout] 124 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/type1/utils.rs:78:1
[INFO] [stdout]     |
[INFO] [stdout] 78  | / macro_rules! ImplFloatToUnumHelpers {
[INFO] [stdout] 79  | |     ($T:ty, $E:path) => {
[INFO] [stdout] 80  | |         impl ToUnumHelpers for $T {
[INFO] [stdout] 81  | |             #[inline(always)]
[INFO] [stdout] ...   |
[INFO] [stdout] 123 | |     };
[INFO] [stdout] 124 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sign`
[INFO] [stdout]   --> src/type1/unum.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     sign: bool,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `exp_bits`
[INFO] [stdout]   --> src/type1/unum.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     exp_bits: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `frac_bits`
[INFO] [stdout]   --> src/type1/unum.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     frac_bits: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ubit`
[INFO] [stdout]   --> src/type1/unum.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     ubit: bool,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `exp_size`
[INFO] [stdout]   --> src/type1/unum.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     exp_size: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `frac_size`
[INFO] [stdout]   --> src/type1/unum.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     frac_size: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_i32_old`
[INFO] [stdout]   --> src/type1/unum.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn from_i32_old(n: i32) -> Unum<E> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "b37c21f24d33dbabdfaa90b8ba773421d2164d51a2490d3ed48a6025c77f156d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b37c21f24d33dbabdfaa90b8ba773421d2164d51a2490d3ed48a6025c77f156d", kill_on_drop: false }`
[INFO] [stdout] b37c21f24d33dbabdfaa90b8ba773421d2164d51a2490d3ed48a6025c77f156d