[INFO] fetching crate unums 0.0.1...
[INFO] checking unums-0.0.1 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate unums 0.0.1 into /workspace/builds/worker-82/source
[INFO] validating manifest of crates.io crate unums 0.0.1 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-82/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec5aff7bf317eaabf6278b2ff52ca7a3016e25d489e6d2bb8cc7b76c81093ad3
[INFO] running `Command { std: "docker" "start" "-a" "ec5aff7bf317eaabf6278b2ff52ca7a3016e25d489e6d2bb8cc7b76c81093ad3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec5aff7bf317eaabf6278b2ff52ca7a3016e25d489e6d2bb8cc7b76c81093ad3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec5aff7bf317eaabf6278b2ff52ca7a3016e25d489e6d2bb8cc7b76c81093ad3", kill_on_drop: false }`
[INFO] [stdout] ec5aff7bf317eaabf6278b2ff52ca7a3016e25d489e6d2bb8cc7b76c81093ad3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ac76439cea550be1d198d0b8dde686bd7d680568c19f0a2bdede79156cd9cb7
[INFO] running `Command { std: "docker" "start" "-a" "6ac76439cea550be1d198d0b8dde686bd7d680568c19f0a2bdede79156cd9cb7", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]     Checking unums v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `ImplFloatToUnumHelpers`
[INFO] [stdout]   --> src/type1/utils.rs:78:14
[INFO] [stdout]    |
[INFO] [stdout] 78 | macro_rules! ImplFloatToUnumHelpers {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `ImplFloatToUnumHelpers`
[INFO] [stdout]   --> src/type1/utils.rs:78:14
[INFO] [stdout]    |
[INFO] [stdout] 78 | macro_rules! ImplFloatToUnumHelpers {
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6ac76439cea550be1d198d0b8dde686bd7d680568c19f0a2bdede79156cd9cb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ac76439cea550be1d198d0b8dde686bd7d680568c19f0a2bdede79156cd9cb7", kill_on_drop: false }`
[INFO] [stdout] 6ac76439cea550be1d198d0b8dde686bd7d680568c19f0a2bdede79156cd9cb7