[INFO] fetching crate enum-tags 0.1.0...
[INFO] testing enum-tags-0.1.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate enum-tags 0.1.0 into /workspace/builds/worker-3-tc2/source
[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-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate enum-tags 0.1.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48030d30eebc6ba66e9b707d83ea76fda926f9ca2cc84081a1b3074ea0b3d401
[INFO] running `Command { std: "docker" "start" "-a" "48030d30eebc6ba66e9b707d83ea76fda926f9ca2cc84081a1b3074ea0b3d401", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48030d30eebc6ba66e9b707d83ea76fda926f9ca2cc84081a1b3074ea0b3d401", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48030d30eebc6ba66e9b707d83ea76fda926f9ca2cc84081a1b3074ea0b3d401", kill_on_drop: false }`
[INFO] [stdout] 48030d30eebc6ba66e9b707d83ea76fda926f9ca2cc84081a1b3074ea0b3d401
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cd2b66cd41da0e49de2883024c06330e3d6e2dc239662bf274c781475020632
[INFO] running `Command { std: "docker" "start" "-a" "8cd2b66cd41da0e49de2883024c06330e3d6e2dc239662bf274c781475020632", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling enum-tags-traits v0.1.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling enum-tags-macros v0.1.0
[INFO] [stderr]    Compiling enum-tags v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.18s
[INFO] running `Command { std: "docker" "inspect" "8cd2b66cd41da0e49de2883024c06330e3d6e2dc239662bf274c781475020632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cd2b66cd41da0e49de2883024c06330e3d6e2dc239662bf274c781475020632", kill_on_drop: false }`
[INFO] [stdout] 8cd2b66cd41da0e49de2883024c06330e3d6e2dc239662bf274c781475020632
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf16bd85e1c0aac9744df07ca54667ae2d942e8f4a7b28feb0831a2873c2c042
[INFO] running `Command { std: "docker" "start" "-a" "bf16bd85e1c0aac9744df07ca54667ae2d942e8f4a7b28feb0831a2873c2c042", kill_on_drop: false }`
[INFO] [stderr]    Compiling enum-tags v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/test.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 |     A(u8),
[INFO] [stdout]    |     - ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[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] 13 -     A(u8),
[INFO] [stdout] 13 +     A(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `B` and `C` are never constructed
[INFO] [stdout]   --> tests/test.rs:14:2
[INFO] [stdout]    |
[INFO] [stdout] 12 | enum WithUnnamedFields {
[INFO] [stdout]    |      ----------------- variants in this enum
[INFO] [stdout] 13 |     A(u8),
[INFO] [stdout] 14 |     B(bool),
[INFO] [stdout]    |     ^
[INFO] [stdout] 15 |     C(char),
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `byte` is never read
[INFO] [stdout]   --> tests/test.rs:20:6
[INFO] [stdout]    |
[INFO] [stdout] 20 |     A { byte: u8 },
[INFO] [stdout]    |     -   ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `B` and `C` are never constructed
[INFO] [stdout]   --> tests/test.rs:21:2
[INFO] [stdout]    |
[INFO] [stdout] 19 | enum WithNamedFields {
[INFO] [stdout]    |      --------------- variants in this enum
[INFO] [stdout] 20 |     A { byte: u8 },
[INFO] [stdout] 21 |     B { boolean: bool },
[INFO] [stdout]    |     ^
[INFO] [stdout] 22 |     C { character: char },
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `A` is never constructed
[INFO] [stdout]   --> tests/test.rs:30:2
[INFO] [stdout]    |
[INFO] [stdout] 26 | enum WithGenerics<T>
[INFO] [stdout]    |      ------------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 30 |     A(Box<T>),
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "bf16bd85e1c0aac9744df07ca54667ae2d942e8f4a7b28feb0831a2873c2c042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf16bd85e1c0aac9744df07ca54667ae2d942e8f4a7b28feb0831a2873c2c042", kill_on_drop: false }`
[INFO] [stdout] bf16bd85e1c0aac9744df07ca54667ae2d942e8f4a7b28feb0831a2873c2c042
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 401df6da040a00ebe1a3340eb26a6a327d1840ae84951809c9297d17620d15d9
[INFO] running `Command { std: "docker" "start" "-a" "401df6da040a00ebe1a3340eb26a6a327d1840ae84951809c9297d17620d15d9", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> tests/test.rs:13:4
[INFO] [stderr]    |
[INFO] [stderr] 13 |     A(u8),
[INFO] [stderr]    |     - ^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[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] 13 -     A(u8),
[INFO] [stderr] 13 +     A(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: variants `B` and `C` are never constructed
[INFO] [stderr]   --> tests/test.rs:14:2
[INFO] [stderr]    |
[INFO] [stderr] 12 | enum WithUnnamedFields {
[INFO] [stderr]    |      ----------------- variants in this enum
[INFO] [stderr] 13 |     A(u8),
[INFO] [stderr] 14 |     B(bool),
[INFO] [stderr]    |     ^
[INFO] [stderr] 15 |     C(char),
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: field `byte` is never read
[INFO] [stderr]   --> tests/test.rs:20:6
[INFO] [stderr]    |
[INFO] [stderr] 20 |     A { byte: u8 },
[INFO] [stderr]    |     -   ^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr] 
[INFO] [stderr] warning: variants `B` and `C` are never constructed
[INFO] [stderr]   --> tests/test.rs:21:2
[INFO] [stderr]    |
[INFO] [stderr] 19 | enum WithNamedFields {
[INFO] [stderr]    |      --------------- variants in this enum
[INFO] [stderr] 20 |     A { byte: u8 },
[INFO] [stderr] 21 |     B { boolean: bool },
[INFO] [stderr]    |     ^
[INFO] [stderr] 22 |     C { character: char },
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `A` is never constructed
[INFO] [stderr]   --> tests/test.rs:30:2
[INFO] [stderr]    |
[INFO] [stderr] 26 | enum WithGenerics<T>
[INFO] [stderr]    |      ------------ variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 30 |     A(Box<T>),
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: `enum-tags` (test "test") generated 5 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/enum_tags-7144b3631abdaac5)
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-32e37712c5029bf9)
[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 tag ... ok
[INFO] [stdout] test no_fields ... ok
[INFO] [stdout] test generic_function ... ok
[INFO] [stdout] test with_fields ... ok
[INFO] [stderr]    Doc-tests enum_tags
[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 0.01s
[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 0.21s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "401df6da040a00ebe1a3340eb26a6a327d1840ae84951809c9297d17620d15d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "401df6da040a00ebe1a3340eb26a6a327d1840ae84951809c9297d17620d15d9", kill_on_drop: false }`
[INFO] [stdout] 401df6da040a00ebe1a3340eb26a6a327d1840ae84951809c9297d17620d15d9