[INFO] fetching crate enum-tags 0.1.0...
[INFO] testing enum-tags-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate enum-tags 0.1.0 into /workspace/builds/worker-35/source
[INFO] validating manifest of crates.io crate enum-tags 0.1.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate enum-tags 0.1.0
[INFO] finished tweaking crates.io crate enum-tags 0.1.0
[INFO] tweaked toml for crates.io crate enum-tags 0.1.0 written to /workspace/builds/worker-35/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63da24557a6aa99ecca345cc116d4c25922840382f1ea4a497878d3e06c3b4cf
[INFO] running `Command { std: "docker" "start" "-a" "63da24557a6aa99ecca345cc116d4c25922840382f1ea4a497878d3e06c3b4cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63da24557a6aa99ecca345cc116d4c25922840382f1ea4a497878d3e06c3b4cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63da24557a6aa99ecca345cc116d4c25922840382f1ea4a497878d3e06c3b4cf", kill_on_drop: false }`
[INFO] [stdout] 63da24557a6aa99ecca345cc116d4c25922840382f1ea4a497878d3e06c3b4cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c17f02d37316264b4d90a11bd48ff33ca0dfe580d9a8d2dc5a02508a5d4c18eb
[INFO] running `Command { std: "docker" "start" "-a" "c17f02d37316264b4d90a11bd48ff33ca0dfe580d9a8d2dc5a02508a5d4c18eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling enum-tags-traits v0.1.0
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling enum-tags-macros v0.1.0
[INFO] [stderr]    Compiling enum-tags v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.90s
[INFO] running `Command { std: "docker" "inspect" "c17f02d37316264b4d90a11bd48ff33ca0dfe580d9a8d2dc5a02508a5d4c18eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c17f02d37316264b4d90a11bd48ff33ca0dfe580d9a8d2dc5a02508a5d4c18eb", kill_on_drop: false }`
[INFO] [stdout] c17f02d37316264b4d90a11bd48ff33ca0dfe580d9a8d2dc5a02508a5d4c18eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ae90dc435827f2c55a4c082a47f65f0193eb77be909809dec1b031402788828
[INFO] running `Command { std: "docker" "start" "-a" "5ae90dc435827f2c55a4c082a47f65f0193eb77be909809dec1b031402788828", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling enum-tags v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `B`
[INFO] [stdout]   --> tests/test.rs:14:2
[INFO] [stdout]    |
[INFO] [stdout] 14 |     B(bool),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `C`
[INFO] [stdout]   --> tests/test.rs:15:2
[INFO] [stdout]    |
[INFO] [stdout] 15 |     C(char),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `byte`
[INFO] [stdout]   --> tests/test.rs:20:6
[INFO] [stdout]    |
[INFO] [stdout] 20 |     A { byte: u8 },
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `B`
[INFO] [stdout]   --> tests/test.rs:21:2
[INFO] [stdout]    |
[INFO] [stdout] 21 |     B { boolean: bool },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `C`
[INFO] [stdout]   --> tests/test.rs:22:2
[INFO] [stdout]    |
[INFO] [stdout] 22 |     C { character: char },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `A`
[INFO] [stdout]   --> tests/test.rs:30:2
[INFO] [stdout]    |
[INFO] [stdout] 30 |     A(Box<T>),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "5ae90dc435827f2c55a4c082a47f65f0193eb77be909809dec1b031402788828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ae90dc435827f2c55a4c082a47f65f0193eb77be909809dec1b031402788828", kill_on_drop: false }`
[INFO] [stdout] 5ae90dc435827f2c55a4c082a47f65f0193eb77be909809dec1b031402788828
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bc47e9d66baa08c78e94a4b9b2a2a2b5146ab3f0690a249dedd62d66ce68e8d1
[INFO] running `Command { std: "docker" "start" "-a" "bc47e9d66baa08c78e94a4b9b2a2a2b5146ab3f0690a249dedd62d66ce68e8d1", kill_on_drop: false }`
[INFO] [stderr] warning: variant is never constructed: `B`
[INFO] [stderr]   --> tests/test.rs:14:2
[INFO] [stderr]    |
[INFO] [stderr] 14 |     B(bool),
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `C`
[INFO] [stderr]   --> tests/test.rs:15:2
[INFO] [stderr]    |
[INFO] [stderr] 15 |     C(char),
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `byte`
[INFO] [stderr]   --> tests/test.rs:20:6
[INFO] [stderr]    |
[INFO] [stderr] 20 |     A { byte: u8 },
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `B`
[INFO] [stderr]   --> tests/test.rs:21:2
[INFO] [stderr]    |
[INFO] [stderr] 21 |     B { boolean: bool },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `C`
[INFO] [stderr]   --> tests/test.rs:22:2
[INFO] [stderr]    |
[INFO] [stderr] 22 |     C { character: char },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `A`
[INFO] [stderr]   --> tests/test.rs:30:2
[INFO] [stderr]    |
[INFO] [stderr] 30 |     A(Box<T>),
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `enum-tags` (test "test") generated 6 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/enum_tags-2f4b2f7aedac3909)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-866d017d8dbba8f1)
[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 generic_function ... ok
[INFO] [stdout] test no_fields ... ok
[INFO] [stdout] test with_fields ... ok
[INFO] [stdout] test tag ... ok
[INFO] [stdout] test tagged_enum ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stderr]    Doc-tests enum-tags
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - fail_tests (line 12) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - fail_tests (line 6) - compile fail ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bc47e9d66baa08c78e94a4b9b2a2a2b5146ab3f0690a249dedd62d66ce68e8d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc47e9d66baa08c78e94a4b9b2a2a2b5146ab3f0690a249dedd62d66ce68e8d1", kill_on_drop: false }`
[INFO] [stdout] bc47e9d66baa08c78e94a4b9b2a2a2b5146ab3f0690a249dedd62d66ce68e8d1