[INFO] fetching crate tagged-union 0.0.1...
[INFO] building tagged-union-0.0.1 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate tagged-union 0.0.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate tagged-union 0.0.1
[INFO] finished tweaking crates.io crate tagged-union 0.0.1
[INFO] tweaked toml for crates.io crate tagged-union 0.0.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tagged-union 0.0.1 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 087329bb1e0bdaea8a40f7fdca62d077a2c628d94fc08fb5fc8c366443f2d781
[INFO] running `Command { std: "docker" "start" "-a" "087329bb1e0bdaea8a40f7fdca62d077a2c628d94fc08fb5fc8c366443f2d781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "087329bb1e0bdaea8a40f7fdca62d077a2c628d94fc08fb5fc8c366443f2d781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "087329bb1e0bdaea8a40f7fdca62d077a2c628d94fc08fb5fc8c366443f2d781", kill_on_drop: false }`
[INFO] [stdout] 087329bb1e0bdaea8a40f7fdca62d077a2c628d94fc08fb5fc8c366443f2d781
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab95b3d17ad2a5b6899f8281e2d8a8cf72ca971a4befb76b9feb29404de02aa2
[INFO] running `Command { std: "docker" "start" "-a" "ab95b3d17ad2a5b6899f8281e2d8a8cf72ca971a4befb76b9feb29404de02aa2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling tagged-union-macro v0.0.1
[INFO] [stderr]    Compiling tagged-union v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.21s
[INFO] running `Command { std: "docker" "inspect" "ab95b3d17ad2a5b6899f8281e2d8a8cf72ca971a4befb76b9feb29404de02aa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab95b3d17ad2a5b6899f8281e2d8a8cf72ca971a4befb76b9feb29404de02aa2", kill_on_drop: false }`
[INFO] [stdout] ab95b3d17ad2a5b6899f8281e2d8a8cf72ca971a4befb76b9feb29404de02aa2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ab8fec4b11ecd3711cc498f7cbbada7abf391382af6bcb955cda25d75add746
[INFO] running `Command { std: "docker" "start" "-a" "1ab8fec4b11ecd3711cc498f7cbbada7abf391382af6bcb955cda25d75add746", kill_on_drop: false }`
[INFO] [stderr]    Compiling tagged-union v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `Pat` is never used
[INFO] [stdout]  --> tests/pat.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum Pat {
[INFO] [stdout]   |      ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `AssignTargetPat` is never used
[INFO] [stdout]   --> tests/pat.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 | enum AssignTargetPat {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "1ab8fec4b11ecd3711cc498f7cbbada7abf391382af6bcb955cda25d75add746", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ab8fec4b11ecd3711cc498f7cbbada7abf391382af6bcb955cda25d75add746", kill_on_drop: false }`
[INFO] [stdout] 1ab8fec4b11ecd3711cc498f7cbbada7abf391382af6bcb955cda25d75add746