[INFO] fetching crate merg 0.1.1...
[INFO] testing merg-0.1.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate merg 0.1.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate merg 0.1.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate merg 0.1.1
[INFO] tweaked toml for crates.io crate merg 0.1.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate merg 0.1.1 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 54 packages to latest compatible versions
[INFO] [stderr]       Adding toml v0.5.11 (available: v0.9.7)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9018e9882836130d43fac9bf6ed5e8ad84b08226ced7b0a3227cc9ea7f90ff1
[INFO] running `Command { std: "docker" "start" "-a" "e9018e9882836130d43fac9bf6ed5e8ad84b08226ced7b0a3227cc9ea7f90ff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9018e9882836130d43fac9bf6ed5e8ad84b08226ced7b0a3227cc9ea7f90ff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9018e9882836130d43fac9bf6ed5e8ad84b08226ced7b0a3227cc9ea7f90ff1", kill_on_drop: false }`
[INFO] [stdout] e9018e9882836130d43fac9bf6ed5e8ad84b08226ced7b0a3227cc9ea7f90ff1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d641d602636e94d18ca3531445581164c3067e35207eab113274679f7ea88b6
[INFO] running `Command { std: "docker" "start" "-a" "3d641d602636e94d18ca3531445581164c3067e35207eab113274679f7ea88b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling merg_derive v0.1.1
[INFO] [stderr]    Compiling merg v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "3d641d602636e94d18ca3531445581164c3067e35207eab113274679f7ea88b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d641d602636e94d18ca3531445581164c3067e35207eab113274679f7ea88b6", kill_on_drop: false }`
[INFO] [stdout] 3d641d602636e94d18ca3531445581164c3067e35207eab113274679f7ea88b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1104b40f4328eea38eee702b9a46e6ed43ad9540dc87634c52c0043dc93e68be
[INFO] running `Command { std: "docker" "start" "-a" "1104b40f4328eea38eee702b9a46e6ed43ad9540dc87634c52c0043dc93e68be", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-triple v0.1.4
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling toml_writer v1.0.3
[INFO] [stderr]    Compiling toml_datetime v0.7.2
[INFO] [stderr]    Compiling serde_spanned v1.0.2
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling merg_derive v0.1.1
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling envy v0.4.2
[INFO] [stderr]    Compiling merg v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling toml_parser v1.0.3
[INFO] [stderr]    Compiling toml v0.9.7
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling trybuild v1.0.111
[INFO] [stdout] warning: struct `N` is never constructed
[INFO] [stdout]    --> tests/derive.rs:553:12
[INFO] [stdout]     |
[INFO] [stdout] 553 |     struct N(#[merge(strategy = merg::num::saturating_add)] u8);
[INFO] [stdout]     |            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `S` is never constructed
[INFO] [stdout]    --> tests/derive.rs:557:12
[INFO] [stdout]     |
[INFO] [stdout] 557 |     struct S(
[INFO] [stdout]     |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 11.37s
[INFO] running `Command { std: "docker" "inspect" "1104b40f4328eea38eee702b9a46e6ed43ad9540dc87634c52c0043dc93e68be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1104b40f4328eea38eee702b9a46e6ed43ad9540dc87634c52c0043dc93e68be", kill_on_drop: false }`
[INFO] [stdout] 1104b40f4328eea38eee702b9a46e6ed43ad9540dc87634c52c0043dc93e68be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8536d879cad11e716028d843838ad46f7c3a5907bcafe505676a4b7c5a9e179e
[INFO] running `Command { std: "docker" "start" "-a" "8536d879cad11e716028d843838ad46f7c3a5907bcafe505676a4b7c5a9e179e", kill_on_drop: false }`
[INFO] [stderr] warning: struct `N` is never constructed
[INFO] [stderr]    --> tests/derive.rs:553:12
[INFO] [stderr]     |
[INFO] [stderr] 553 |     struct N(#[merge(strategy = merg::num::saturating_add)] u8);
[INFO] [stderr]     |            ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `S` is never constructed
[INFO] [stderr]    --> tests/derive.rs:557:12
[INFO] [stderr]     |
[INFO] [stderr] 557 |     struct S(
[INFO] [stderr]     |            ^
[INFO] [stderr] 
[INFO] [stderr] warning: `merg` (test "derive") generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/merg-2fb8f09e469e41b4)
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_compile_fail ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/compile.rs (/opt/rustwide/target/debug/deps/compile-d077f53f449684df)
[INFO] [stderr]      Running tests/derive.rs (/opt/rustwide/target/debug/deps/derive-49215a03a0aa5124)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test test_default_strategy ... ok
[INFO] [stdout] test test_skip_invalid ... ok
[INFO] [stdout] test test_skip_valid ... ok
[INFO] [stdout] test test_strategy_usize_add ... ok
[INFO] [stdout] test test_two_option_fields ... ok
[INFO] [stdout] test test_one_option_field ... ok
[INFO] [stdout] test test_strategy_vec_append ... ok
[INFO] [stdout] test test_unnamed_fields ... ok
[INFO] [stdout] test test_unnamed_fields_skip ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/strategies.rs (/opt/rustwide/target/debug/deps/strategies-e5e6fe4af9d30cdf)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test bool::test_overwrite_true ... ok
[INFO] [stdout] test hashmap::test_overwrite ... ok
[INFO] [stdout] test hashmap::test_ignore ... ok
[INFO] [stdout] test hashmap::test_recurse ... ok
[INFO] [stdout] test bool::test_overwrite_false ... ok
[INFO] [stdout] test hashset::test_extend ... ok
[INFO] [stdout] test num::test_ord_min ... ok
[INFO] [stdout] test num::test_ord_max ... ok
[INFO] [stdout] test num::test_overwrite_zero ... ok
[INFO] [stdout] test num::test_saturating_add ... ok
[INFO] [stdout] test option::test_recursive ... ok
[INFO] [stdout] test test_overwrite ... ok
[INFO] [stdout] test vec::test_vec_append ... ok
[INFO] [stdout] test vec::test_vec_prepend ... ok
[INFO] [stdout] test option::test_overwrite_some ... ok
[INFO] [stdout] test option::test_overwrite_none ... ok
[INFO] [stdout] test vec::test_vec_overwrite_empty ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests merg
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - Merge (line 95) ... ok
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] test src/lib.rs - Merge (line 129) ... ok
[INFO] [stdout] test src/lib.rs - (line 35) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.65s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8536d879cad11e716028d843838ad46f7c3a5907bcafe505676a4b7c5a9e179e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8536d879cad11e716028d843838ad46f7c3a5907bcafe505676a4b7c5a9e179e", kill_on_drop: false }`
[INFO] [stdout] 8536d879cad11e716028d843838ad46f7c3a5907bcafe505676a4b7c5a9e179e