[INFO] fetching crate union-fn 0.2.0...
[INFO] testing union-fn-0.2.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate union-fn 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate union-fn 0.2.0
[INFO] finished tweaking crates.io crate union-fn 0.2.0
[INFO] tweaked toml for crates.io crate union-fn 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate union-fn 0.2.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4402f8d6f9a94b01dff666b5e3e68579dde477a8657d44459ea8d975996cc8ca
[INFO] running `Command { std: "docker" "start" "-a" "4402f8d6f9a94b01dff666b5e3e68579dde477a8657d44459ea8d975996cc8ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4402f8d6f9a94b01dff666b5e3e68579dde477a8657d44459ea8d975996cc8ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4402f8d6f9a94b01dff666b5e3e68579dde477a8657d44459ea8d975996cc8ca", kill_on_drop: false }`
[INFO] [stdout] 4402f8d6f9a94b01dff666b5e3e68579dde477a8657d44459ea8d975996cc8ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b770818d3db1398dc6320e38c96aca25ae581d35cdb514d6cc6067d2be0f0cdc
[INFO] running `Command { std: "docker" "start" "-a" "b770818d3db1398dc6320e38c96aca25ae581d35cdb514d6cc6067d2be0f0cdc", kill_on_drop: false }`
[INFO] [stderr]    Compiling union-fn-macro v0.2.0
[INFO] [stderr]    Compiling union-fn v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "b770818d3db1398dc6320e38c96aca25ae581d35cdb514d6cc6067d2be0f0cdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b770818d3db1398dc6320e38c96aca25ae581d35cdb514d6cc6067d2be0f0cdc", kill_on_drop: false }`
[INFO] [stdout] b770818d3db1398dc6320e38c96aca25ae581d35cdb514d6cc6067d2be0f0cdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25f124b77f0486c7d97087e1f013687e3896a045077ab5d3985b8fdcc757618e
[INFO] running `Command { std: "docker" "start" "-a" "25f124b77f0486c7d97087e1f013687e3896a045077ab5d3985b8fdcc757618e", kill_on_drop: false }`
[INFO] [stderr]    Compiling union-fn v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `trybuild`
[INFO] [stdout]  --> tests/compile_tests.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let t = trybuild::TestCases::new();
[INFO] [stdout]   |             ^^^^^^^^ use of unresolved module or unlinked crate `trybuild`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `trybuild`, use `cargo add trybuild` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `union-fn` (test "compile_tests") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "25f124b77f0486c7d97087e1f013687e3896a045077ab5d3985b8fdcc757618e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25f124b77f0486c7d97087e1f013687e3896a045077ab5d3985b8fdcc757618e", kill_on_drop: false }`
[INFO] [stdout] 25f124b77f0486c7d97087e1f013687e3896a045077ab5d3985b8fdcc757618e