[INFO] fetching crate merge-rs 0.4.0...
[INFO] testing merge-rs-0.4.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate merge-rs 0.4.0 into /workspace/builds/worker-4-tc1/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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate merge-rs 0.4.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded merge-rs-derive v0.4.0
[INFO] [stderr]   Downloaded concat-idents v1.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2f6218f2a9754ac40e52529ad4305c9cf6c75f22b75904e4544e79cdaef4a2b
[INFO] running `Command { std: "docker" "start" "-a" "e2f6218f2a9754ac40e52529ad4305c9cf6c75f22b75904e4544e79cdaef4a2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2f6218f2a9754ac40e52529ad4305c9cf6c75f22b75904e4544e79cdaef4a2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2f6218f2a9754ac40e52529ad4305c9cf6c75f22b75904e4544e79cdaef4a2b", kill_on_drop: false }`
[INFO] [stdout] e2f6218f2a9754ac40e52529ad4305c9cf6c75f22b75904e4544e79cdaef4a2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8dc75d2c85490e4b0428a561806d3cd2040e064ab505deeff8767ea99433dfeb
[INFO] running `Command { std: "docker" "start" "-a" "8dc75d2c85490e4b0428a561806d3cd2040e064ab505deeff8767ea99433dfeb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling darling_core v0.20.11
[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 10.67s
[INFO] running `Command { std: "docker" "inspect" "8dc75d2c85490e4b0428a561806d3cd2040e064ab505deeff8767ea99433dfeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dc75d2c85490e4b0428a561806d3cd2040e064ab505deeff8767ea99433dfeb", kill_on_drop: false }`
[INFO] [stdout] 8dc75d2c85490e4b0428a561806d3cd2040e064ab505deeff8767ea99433dfeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4851d13714b16fb96de0d2f3b0486057c1184d4af53695c0c964d5e6fd89a20
[INFO] running `Command { std: "docker" "start" "-a" "f4851d13714b16fb96de0d2f3b0486057c1184d4af53695c0c964d5e6fd89a20", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.110
[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 8.44s
[INFO] running `Command { std: "docker" "inspect" "f4851d13714b16fb96de0d2f3b0486057c1184d4af53695c0c964d5e6fd89a20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4851d13714b16fb96de0d2f3b0486057c1184d4af53695c0c964d5e6fd89a20", kill_on_drop: false }`
[INFO] [stdout] f4851d13714b16fb96de0d2f3b0486057c1184d4af53695c0c964d5e6fd89a20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ab5991006a2cffcd2093a6de575f90b0b453f83996119ad820ceb98c7285882c
[INFO] running `Command { std: "docker" "start" "-a" "ab5991006a2cffcd2093a6de575f90b0b453f83996119ad820ceb98c7285882c", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/merge_rs-288a28e0364c0a1e)
[INFO] [stdout] test tests::test_option_merge_left_none ... ok
[INFO] [stdout] test tests::test_result_merge_left_both_err ... ok
[INFO] [stdout] test tests::test_option_merge_both_some ... ok
[INFO] [stdout] test tests::test_result_merge_both_ok ... ok
[INFO] [stdout] test tests::test_result_merge_left_err ... ok
[INFO] [stdout] test tests::test_option_merge_right_none ... ok
[INFO] [stdout] test tests::test_result_merge_right_err ... ok
[INFO] [stdout] test tests::test_option_merge_both_none ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/merge_mut_tests.rs (/opt/rustwide/target/debug/deps/merge_mut_tests-ffffc198a98a028a)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_named_structs ... ok
[INFO] [stdout] test test_unit_structs ... ok
[INFO] [stdout] test test_tuple_struct ... 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] [stderr]      Running tests/merge_tests.rs (/opt/rustwide/target/debug/deps/merge_tests-723d69106f09baef)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_unit_structs ... ok
[INFO] [stdout] test test_tuple_struct ... ok
[INFO] [stdout] test test_named_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] [stderr]    Doc-tests merge_rs
[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" "ab5991006a2cffcd2093a6de575f90b0b453f83996119ad820ceb98c7285882c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab5991006a2cffcd2093a6de575f90b0b453f83996119ad820ceb98c7285882c", kill_on_drop: false }`
[INFO] [stdout] ab5991006a2cffcd2093a6de575f90b0b453f83996119ad820ceb98c7285882c