[INFO] fetching crate enumber 0.3.0...
[INFO] testing enumber-0.3.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate enumber 0.3.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate enumber 0.3.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate enumber 0.3.0
[INFO] finished tweaking crates.io crate enumber 0.3.0
[INFO] tweaked toml for crates.io crate enumber 0.3.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 393f10f1a188866f805bc1bd4ab5a582afe1dd15c01fef195404ff1dab364f10
[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" "393f10f1a188866f805bc1bd4ab5a582afe1dd15c01fef195404ff1dab364f10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "393f10f1a188866f805bc1bd4ab5a582afe1dd15c01fef195404ff1dab364f10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "393f10f1a188866f805bc1bd4ab5a582afe1dd15c01fef195404ff1dab364f10", kill_on_drop: false }`
[INFO] [stdout] 393f10f1a188866f805bc1bd4ab5a582afe1dd15c01fef195404ff1dab364f10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4216049bd022692de047e8fa6ab63d768a1d698ddc02e724280b933f4d5a83d4
[INFO] running `Command { std: "docker" "start" "-a" "4216049bd022692de047e8fa6ab63d768a1d698ddc02e724280b933f4d5a83d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling enumber v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.87s
[INFO] running `Command { std: "docker" "inspect" "4216049bd022692de047e8fa6ab63d768a1d698ddc02e724280b933f4d5a83d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4216049bd022692de047e8fa6ab63d768a1d698ddc02e724280b933f4d5a83d4", kill_on_drop: false }`
[INFO] [stdout] 4216049bd022692de047e8fa6ab63d768a1d698ddc02e724280b933f4d5a83d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 543f36afe759463f86f943cf43671cecab6a0f37cfe42d3143d810a0399b84b7
[INFO] running `Command { std: "docker" "start" "-a" "543f36afe759463f86f943cf43671cecab6a0f37cfe42d3143d810a0399b84b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling enumber v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]   --> tests/simple.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     value: Box<[u8]>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Fingerprint` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> tests/simple.rs:43:10
[INFO] [stdout]    |
[INFO] [stdout] 43 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/enumber-94b0a6c8ae47cc9d)
[INFO] [stderr]   Executable tests/simple.rs (/opt/rustwide/target/debug/deps/simple-4c7db31e0fa9864c)
[INFO] running `Command { std: "docker" "inspect" "543f36afe759463f86f943cf43671cecab6a0f37cfe42d3143d810a0399b84b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "543f36afe759463f86f943cf43671cecab6a0f37cfe42d3143d810a0399b84b7", kill_on_drop: false }`
[INFO] [stdout] 543f36afe759463f86f943cf43671cecab6a0f37cfe42d3143d810a0399b84b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fa2d213641eaa7c94627dcd60f9631cb97db964568eb085cbe2559a3d4ae3248
[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" "fa2d213641eaa7c94627dcd60f9631cb97db964568eb085cbe2559a3d4ae3248", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `value`
[INFO] [stderr]   --> tests/simple.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     value: Box<[u8]>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `Fingerprint` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> tests/simple.rs:43:10
[INFO] [stderr]    |
[INFO] [stderr] 43 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `enumber` (test "simple") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/enumber-94b0a6c8ae47cc9d)
[INFO] [stderr]      Running tests/simple.rs (/opt/rustwide/target/debug/deps/simple-4c7db31e0fa9864c)
[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] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test check_from_hex ... ok
[INFO] [stdout] test test_ip_addr ... ok
[INFO] [stdout] test test_open_from_num_canfail ... ok
[INFO] [stdout] test test_errors ... 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] [stdout] 
[INFO] [stderr]    Doc-tests enumber
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - into (line 787) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - convert (line 704) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - (line 51) ... ok
[INFO] [stdout] test src/lib.rs - convert (line 663) ... ok
[INFO] [stdout] test src/lib.rs - into (line 757) ... ok
[INFO] [stdout] test src/lib.rs - into (line 740) ... ok
[INFO] [stdout] test src/lib.rs - convert (line 676) ... ok
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] test src/lib.rs - convert (line 641) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.09s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fa2d213641eaa7c94627dcd60f9631cb97db964568eb085cbe2559a3d4ae3248", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa2d213641eaa7c94627dcd60f9631cb97db964568eb085cbe2559a3d4ae3248", kill_on_drop: false }`
[INFO] [stdout] fa2d213641eaa7c94627dcd60f9631cb97db964568eb085cbe2559a3d4ae3248