[INFO] fetching crate merge-rs 0.4.0...
[INFO] testing merge-rs-0.4.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate merge-rs 0.4.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate merge-rs 0.4.0
[INFO] finished tweaking crates.io crate merge-rs 0.4.0
[INFO] tweaked toml for crates.io crate merge-rs 0.4.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate merge-rs 0.4.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7981dc4af466686858972711dcd58446e24ef71d468845a53fe4c0dfb80a171a
[INFO] running `Command { std: "docker" "start" "-a" "7981dc4af466686858972711dcd58446e24ef71d468845a53fe4c0dfb80a171a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7981dc4af466686858972711dcd58446e24ef71d468845a53fe4c0dfb80a171a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7981dc4af466686858972711dcd58446e24ef71d468845a53fe4c0dfb80a171a", kill_on_drop: false }`
[INFO] [stdout] 7981dc4af466686858972711dcd58446e24ef71d468845a53fe4c0dfb80a171a
[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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68e8178d9b1610099267956d91be55a44d5965b986e60ad613e142ca9aaa5760
[INFO] running `Command { std: "docker" "start" "-a" "68e8178d9b1610099267956d91be55a44d5965b986e60ad613e142ca9aaa5760", kill_on_drop: false }`
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling merge-rs-derive v0.4.0
[INFO] [stderr]    Compiling merge-rs v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.73s
[INFO] running `Command { std: "docker" "inspect" "68e8178d9b1610099267956d91be55a44d5965b986e60ad613e142ca9aaa5760", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68e8178d9b1610099267956d91be55a44d5965b986e60ad613e142ca9aaa5760", kill_on_drop: false }`
[INFO] [stdout] 68e8178d9b1610099267956d91be55a44d5965b986e60ad613e142ca9aaa5760
[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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0afec7aabb00d9cc86c2ee7a3c1de6fc847d10d0206ad4346ea5a576a0fd8053
[INFO] running `Command { std: "docker" "start" "-a" "0afec7aabb00d9cc86c2ee7a3c1de6fc847d10d0206ad4346ea5a576a0fd8053", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling concat-idents v1.1.5
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling merge-rs-derive v0.4.0
[INFO] [stderr]    Compiling merge-rs v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.25s
[INFO] running `Command { std: "docker" "inspect" "0afec7aabb00d9cc86c2ee7a3c1de6fc847d10d0206ad4346ea5a576a0fd8053", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0afec7aabb00d9cc86c2ee7a3c1de6fc847d10d0206ad4346ea5a576a0fd8053", kill_on_drop: false }`
[INFO] [stdout] 0afec7aabb00d9cc86c2ee7a3c1de6fc847d10d0206ad4346ea5a576a0fd8053
[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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4dd3f92ce94bdd64cdf6255bed69891f18a16f7f2c255b000a4623a27435dae5
[INFO] running `Command { std: "docker" "start" "-a" "4dd3f92ce94bdd64cdf6255bed69891f18a16f7f2c255b000a4623a27435dae5", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/merge_rs-dfb518745a1ec7a6)
[INFO] [stdout] running 8 tests
[INFO] [stderr]      Running tests/merge_mut_tests.rs (/opt/rustwide/target/debug/deps/merge_mut_tests-469ab5c14008393b)
[INFO] [stdout] test tests::test_option_merge_both_none ... ok
[INFO] [stderr]      Running tests/merge_tests.rs (/opt/rustwide/target/debug/deps/merge_tests-cbf303e942efb297)
[INFO] [stdout] test tests::test_option_merge_both_some ... ok
[INFO] [stderr]    Doc-tests merge_rs
[INFO] [stdout] test tests::test_result_merge_both_ok ... ok
[INFO] [stdout] test tests::test_option_merge_right_none ... ok
[INFO] [stdout] test tests::test_result_merge_left_both_err ... ok
[INFO] [stdout] test tests::test_result_merge_left_err ... ok
[INFO] [stdout] test tests::test_result_merge_right_err ... ok
[INFO] [stdout] test tests::test_option_merge_left_none ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_named_structs ... ok
[INFO] [stdout] test test_tuple_struct ... ok
[INFO] [stdout] test test_unit_structs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_named_structs ... ok
[INFO] [stdout] test test_tuple_struct ... ok
[INFO] [stdout] test test_unit_structs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "4dd3f92ce94bdd64cdf6255bed69891f18a16f7f2c255b000a4623a27435dae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dd3f92ce94bdd64cdf6255bed69891f18a16f7f2c255b000a4623a27435dae5", kill_on_drop: false }`
[INFO] [stdout] 4dd3f92ce94bdd64cdf6255bed69891f18a16f7f2c255b000a4623a27435dae5