[INFO] fetching crate merge-rs 0.4.0...
[INFO] testing merge-rs-0.4.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate merge-rs 0.4.0 into /workspace/builds/worker-2-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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate merge-rs 0.4.0 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 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5d1904afa3588300f4192f90b9739b6525ca4a0fb053fb8f60c691d79b9f743
[INFO] running `Command { std: "docker" "start" "-a" "b5d1904afa3588300f4192f90b9739b6525ca4a0fb053fb8f60c691d79b9f743", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5d1904afa3588300f4192f90b9739b6525ca4a0fb053fb8f60c691d79b9f743", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5d1904afa3588300f4192f90b9739b6525ca4a0fb053fb8f60c691d79b9f743", kill_on_drop: false }`
[INFO] [stdout] b5d1904afa3588300f4192f90b9739b6525ca4a0fb053fb8f60c691d79b9f743
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0497ffae60f0f25afdbd144830b457084be00bd8be7a8d3f55170df66912311
[INFO] running `Command { std: "docker" "start" "-a" "b0497ffae60f0f25afdbd144830b457084be00bd8be7a8d3f55170df66912311", 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 5.28s
[INFO] running `Command { std: "docker" "inspect" "b0497ffae60f0f25afdbd144830b457084be00bd8be7a8d3f55170df66912311", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0497ffae60f0f25afdbd144830b457084be00bd8be7a8d3f55170df66912311", kill_on_drop: false }`
[INFO] [stdout] b0497ffae60f0f25afdbd144830b457084be00bd8be7a8d3f55170df66912311
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7de5b6b159bf640c41b1fcd1dc087ab3e827232415782eb225b13627671f38f8
[INFO] running `Command { std: "docker" "start" "-a" "7de5b6b159bf640c41b1fcd1dc087ab3e827232415782eb225b13627671f38f8", kill_on_drop: false }`
[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 4.86s
[INFO] running `Command { std: "docker" "inspect" "7de5b6b159bf640c41b1fcd1dc087ab3e827232415782eb225b13627671f38f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7de5b6b159bf640c41b1fcd1dc087ab3e827232415782eb225b13627671f38f8", kill_on_drop: false }`
[INFO] [stdout] 7de5b6b159bf640c41b1fcd1dc087ab3e827232415782eb225b13627671f38f8
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bfda6a14be6086e45a6567f6de9000ff4c6e38a5f11b04585173adea9f3bc147
[INFO] running `Command { std: "docker" "start" "-a" "bfda6a14be6086e45a6567f6de9000ff4c6e38a5f11b04585173adea9f3bc147", kill_on_drop: false }`
[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-45d754d1f1424cb1)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::test_option_merge_both_some ... ok
[INFO] [stdout] test tests::test_option_merge_right_none ... ok
[INFO] [stdout] test tests::test_option_merge_both_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_option_merge_left_none ... ok
[INFO] [stdout] test tests::test_result_merge_right_err ... ok
[INFO] [stdout] test tests::test_result_merge_both_ok ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/merge_mut_tests.rs (/opt/rustwide/target/debug/deps/merge_mut_tests-607da44f710a3e36)
[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-2b90223ab94f85ac)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_tuple_struct ... ok
[INFO] [stdout] test test_unit_structs ... 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 0.01s
[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" "bfda6a14be6086e45a6567f6de9000ff4c6e38a5f11b04585173adea9f3bc147", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfda6a14be6086e45a6567f6de9000ff4c6e38a5f11b04585173adea9f3bc147", kill_on_drop: false }`
[INFO] [stdout] bfda6a14be6086e45a6567f6de9000ff4c6e38a5f11b04585173adea9f3bc147