[INFO] fetching crate enumber 0.3.1...
[INFO] testing enumber-0.3.1 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate enumber 0.3.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate enumber 0.3.1
[INFO] finished tweaking crates.io crate enumber 0.3.1
[INFO] tweaked toml for crates.io crate enumber 0.3.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate enumber 0.3.1 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to highest compatible versions
[INFO] [stderr]       Adding syn v2.0.119 (available: v3.0.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] fcfdc0cf1b92e859c4b05bc4472a2893b0b8486157b36210112d9c47c756eff1
[INFO] running `Command { std: "docker" "start" "fcfdc0cf1b92e859c4b05bc4472a2893b0b8486157b36210112d9c47c756eff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcfdc0cf1b92e859c4b05bc4472a2893b0b8486157b36210112d9c47c756eff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fcfdc0cf1b92e859c4b05bc4472a2893b0b8486157b36210112d9c47c756eff1" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcfdc0cf1b92e859c4b05bc4472a2893b0b8486157b36210112d9c47c756eff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fcfdc0cf1b92e859c4b05bc4472a2893b0b8486157b36210112d9c47c756eff1" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling unicode-ident v1.0.27
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling enumber v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 8.78s
[INFO] running `Command { std: "docker" "inspect" "fcfdc0cf1b92e859c4b05bc4472a2893b0b8486157b36210112d9c47c756eff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fcfdc0cf1b92e859c4b05bc4472a2893b0b8486157b36210112d9c47c756eff1" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling unicode-ident v1.0.27
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling enumber v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> tests/simple.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[enumber::convert]
[INFO] [stdout]   | ------------------- field in this variant
[INFO] [stdout] 4 | #[repr(u16)]
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ParseOpenExampleError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 4 - #[repr(u16)]
[INFO] [stdout] 4 + #[repr(())]
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read
[INFO] [stdout]   --> tests/simple.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     V4(u8, u8, u8, u8),
[INFO] [stdout]    |     -- ^^  ^^  ^^  ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 38 -     V4(u8, u8, u8, u8),
[INFO] [stdout] 38 +     V4((), (), (), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/simple.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 |     V6(String),
[INFO] [stdout]    |     -- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 40 -     V6(String),
[INFO] [stdout] 40 +     V6(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> tests/simple.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | struct Fingerprint {
[INFO] [stdout]    |        ----------- field in this struct
[INFO] [stdout] 45 |     value: Box<[u8]>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Fingerprint` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/simple.rs:52:29
[INFO] [stdout]    |
[INFO] [stdout] 52 |     CannotLoadCryptoLibrary(String) = 0x110,
[INFO] [stdout]    |     ----------------------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Errors` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 52 -     CannotLoadCryptoLibrary(String) = 0x110,
[INFO] [stdout] 52 +     CannotLoadCryptoLibrary(()) = 0x110,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> tests/simple.rs:54:19
[INFO] [stdout]    |
[INFO] [stdout] 54 |     AmbiguousName(String, String) = 0x202,
[INFO] [stdout]    |     ------------- ^^^^^^  ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Errors` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 54 -     AmbiguousName(String, String) = 0x202,
[INFO] [stdout] 54 +     AmbiguousName((), ()) = 0x202,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> tests/simple.rs:55:21
[INFO] [stdout]    |
[INFO] [stdout] 55 |     CannotDeleteKey(Fingerprint, String) = 0x212,
[INFO] [stdout]    |     --------------- ^^^^^^^^^^^  ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Errors` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 55 -     CannotDeleteKey(Fingerprint, String) = 0x212,
[INFO] [stdout] 55 +     CannotDeleteKey((), ()) = 0x212,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 19.07s
[INFO] running `Command { std: "docker" "inspect" "fcfdc0cf1b92e859c4b05bc4472a2893b0b8486157b36210112d9c47c756eff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fcfdc0cf1b92e859c4b05bc4472a2893b0b8486157b36210112d9c47c756eff1" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> tests/simple.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[enumber::convert]
[INFO] [stderr]   | ------------------- field in this variant
[INFO] [stderr] 4 | #[repr(u16)]
[INFO] [stderr]   |        ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `ParseOpenExampleError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]   |
[INFO] [stderr] 4 - #[repr(u16)]
[INFO] [stderr] 4 + #[repr(())]
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: fields `0`, `1`, `2`, and `3` are never read
[INFO] [stderr]   --> tests/simple.rs:38:8
[INFO] [stderr]    |
[INFO] [stderr] 38 |     V4(u8, u8, u8, u8),
[INFO] [stderr]    |     -- ^^  ^^  ^^  ^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     fields in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stderr]    |
[INFO] [stderr] 38 -     V4(u8, u8, u8, u8),
[INFO] [stderr] 38 +     V4((), (), (), ()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> tests/simple.rs:40:8
[INFO] [stderr]    |
[INFO] [stderr] 40 |     V6(String),
[INFO] [stderr]    |     -- ^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 40 -     V6(String),
[INFO] [stderr] 40 +     V6(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `value` is never read
[INFO] [stderr]   --> tests/simple.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 44 | struct Fingerprint {
[INFO] [stderr]    |        ----------- field in this struct
[INFO] [stderr] 45 |     value: Box<[u8]>,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Fingerprint` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> tests/simple.rs:52:29
[INFO] [stderr]    |
[INFO] [stderr] 52 |     CannotLoadCryptoLibrary(String) = 0x110,
[INFO] [stderr]    |     ----------------------- ^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Errors` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 52 -     CannotLoadCryptoLibrary(String) = 0x110,
[INFO] [stderr] 52 +     CannotLoadCryptoLibrary(()) = 0x110,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: fields `0` and `1` are never read
[INFO] [stderr]   --> tests/simple.rs:54:19
[INFO] [stderr]    |
[INFO] [stderr] 54 |     AmbiguousName(String, String) = 0x202,
[INFO] [stderr]    |     ------------- ^^^^^^  ^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     fields in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Errors` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stderr]    |
[INFO] [stderr] 54 -     AmbiguousName(String, String) = 0x202,
[INFO] [stderr] 54 +     AmbiguousName((), ()) = 0x202,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: fields `0` and `1` are never read
[INFO] [stderr]   --> tests/simple.rs:55:21
[INFO] [stderr]    |
[INFO] [stderr] 55 |     CannotDeleteKey(Fingerprint, String) = 0x212,
[INFO] [stderr]    |     --------------- ^^^^^^^^^^^  ^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     fields in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Errors` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stderr]    |
[INFO] [stderr] 55 -     CannotDeleteKey(Fingerprint, String) = 0x212,
[INFO] [stderr] 55 +     CannotDeleteKey((), ()) = 0x212,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `enumber` (test "simple") generated 7 warnings
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/enumber-63695c02e38a969d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/simple.rs (/opt/rustwide/target/release/deps/simple-7cf0b05b607e5991)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_open_from_num_canfail ... ok
[INFO] [stdout] test test_errors ... ok
[INFO] [stdout] test test_ip_addr ... ok
[INFO] [stdout] test check_from_hex ... ok
[INFO] [stdout] test test_errors_refs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    Doc-tests enumber
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - into (line 786) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] test src/lib.rs - convert (line 640) ... ok
[INFO] [stdout] test src/lib.rs - convert (line 703) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - (line 51) ... ok
[INFO] [stdout] test src/lib.rs - convert (line 675) ... ok
[INFO] [stdout] test src/lib.rs - into (line 739) ... ok
[INFO] [stdout] test src/lib.rs - into (line 756) ... ok
[INFO] [stdout] test src/lib.rs - convert (line 662) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.31s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fcfdc0cf1b92e859c4b05bc4472a2893b0b8486157b36210112d9c47c756eff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcfdc0cf1b92e859c4b05bc4472a2893b0b8486157b36210112d9c47c756eff1", kill_on_drop: false }`
[INFO] [stdout] fcfdc0cf1b92e859c4b05bc4472a2893b0b8486157b36210112d9c47c756eff1
