[INFO] fetching crate r4 1.0.1...
[INFO] testing r4-1.0.1 against try#ed7f3d77595b4831fdf085f2529aa13b5b51ff7d for pr-134530
[INFO] extracting crate r4 1.0.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate r4 1.0.1 on toolchain ed7f3d77595b4831fdf085f2529aa13b5b51ff7d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate r4 1.0.1
[INFO] finished tweaking crates.io crate r4 1.0.1
[INFO] tweaked toml for crates.io crate r4 1.0.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4eabadede009d67882505b008cad97bc5f33c80409c5d9e5237720b69c1a814e
[INFO] running `Command { std: "docker" "start" "-a" "4eabadede009d67882505b008cad97bc5f33c80409c5d9e5237720b69c1a814e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4eabadede009d67882505b008cad97bc5f33c80409c5d9e5237720b69c1a814e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4eabadede009d67882505b008cad97bc5f33c80409c5d9e5237720b69c1a814e", kill_on_drop: false }`
[INFO] [stdout] 4eabadede009d67882505b008cad97bc5f33c80409c5d9e5237720b69c1a814e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2253afa200242159064f47bb4984d34c2a635e3a877905191010ea4c8702a647
[INFO] running `Command { std: "docker" "start" "-a" "2253afa200242159064f47bb4984d34c2a635e3a877905191010ea4c8702a647", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling r4 v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "2253afa200242159064f47bb4984d34c2a635e3a877905191010ea4c8702a647", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2253afa200242159064f47bb4984d34c2a635e3a877905191010ea4c8702a647", kill_on_drop: false }`
[INFO] [stdout] 2253afa200242159064f47bb4984d34c2a635e3a877905191010ea4c8702a647
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c538151b911635e5eebada01dd4867e6d4fadda5081585e43f4f30e1b426ce97
[INFO] running `Command { std: "docker" "start" "-a" "c538151b911635e5eebada01dd4867e6d4fadda5081585e43f4f30e1b426ce97", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling r4 v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:632:10
[INFO] [stdout]     |
[INFO] [stdout] 632 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/lib.rs:407:34
[INFO] [stdout]     |
[INFO] [stdout] 407 |                     iterate![for i in 0..4;
[INFO] [stdout]     |                                  ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:433:34
[INFO] [stdout]     |
[INFO] [stdout] 433 |                     iterate![for x in vs.iter();
[INFO] [stdout]     |                                  ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:443:34
[INFO] [stdout]     |
[INFO] [stdout] 443 |                     iterate![for x in vs.iter();
[INFO] [stdout]     |                                  ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/lib.rs:474:34
[INFO] [stdout]     |
[INFO] [stdout] 474 | ...                   let a = *x + 3;
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/lib.rs:489:34
[INFO] [stdout]     |
[INFO] [stdout] 489 | ...                   let a = *x + 3;
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/lib.rs:506:34
[INFO] [stdout]     |
[INFO] [stdout] 506 | ...                   for y in vs.iter();
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:522:34
[INFO] [stdout]     |
[INFO] [stdout] 522 | ...                   let x = *x + 1;
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "c538151b911635e5eebada01dd4867e6d4fadda5081585e43f4f30e1b426ce97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c538151b911635e5eebada01dd4867e6d4fadda5081585e43f4f30e1b426ce97", kill_on_drop: false }`
[INFO] [stdout] c538151b911635e5eebada01dd4867e6d4fadda5081585e43f4f30e1b426ce97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ecdc31c87b79bd2eb06406a71b63c382e97122f0b048d8388e79a9cb95f9d7dd
[INFO] running `Command { std: "docker" "start" "-a" "ecdc31c87b79bd2eb06406a71b63c382e97122f0b048d8388e79a9cb95f9d7dd", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/lib.rs:632:10
[INFO] [stderr]     |
[INFO] [stderr] 632 |         };
[INFO] [stderr]     |          ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/lib.rs:407:34
[INFO] [stderr]     |
[INFO] [stderr] 407 |                     iterate![for i in 0..4;
[INFO] [stderr]     |                                  ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/lib.rs:433:34
[INFO] [stderr]     |
[INFO] [stderr] 433 |                     iterate![for x in vs.iter();
[INFO] [stderr]     |                                  ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/lib.rs:443:34
[INFO] [stderr]     |
[INFO] [stderr] 443 |                     iterate![for x in vs.iter();
[INFO] [stderr]     |                                  ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> src/lib.rs:474:34
[INFO] [stderr]     |
[INFO] [stderr] 474 | ...                   let a = *x + 3;
[INFO] [stderr]     |                           ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> src/lib.rs:489:34
[INFO] [stderr]     |
[INFO] [stderr] 489 | ...                   let a = *x + 3;
[INFO] [stderr]     |                           ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/lib.rs:506:34
[INFO] [stderr]     |
[INFO] [stderr] 506 | ...                   for y in vs.iter();
[INFO] [stderr]     |                           ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/lib.rs:522:34
[INFO] [stderr]     |
[INFO] [stderr] 522 | ...                   let x = *x + 1;
[INFO] [stderr]     |                           ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: `r4` (lib test) generated 8 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/r4-909833229b233d77)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test tests::if_if_let ... ok
[INFO] [stdout] test tests::bind_pattern_in_for ... ok
[INFO] [stdout] test tests::test_basic ... ok
[INFO] [stdout] test tests::test_basic_if ... ok
[INFO] [stdout] test tests::test_basic_if_let ... ok
[INFO] [stdout] test tests::test_if_let_filter ... ok
[INFO] [stdout] test tests::test_if_let_for ... ok
[INFO] [stdout] test tests::test_if_let_if ... ok
[INFO] [stdout] test tests::test_if_let_let ... ok
[INFO] [stdout] test tests::test_just_multiple_yields ... ok
[INFO] [stdout] test tests::test_move_succeed ... ok
[INFO] [stdout] test tests::test_multiple_yield_with_filter_1 ... ok
[INFO] [stdout] test tests::test_multiple_yield_with_filter_2 ... ok
[INFO] [stdout] test tests::test_multiple_yields_liked_nested_loops ... ok
[INFO] [stdout] test tests::test_nested_refs ... ok
[INFO] [stdout] test tests::test_nested_refs_for_let_for_shadowing ... ok
[INFO] [stdout] test tests::test_nested_refs_for_let_shadowing ... ok
[INFO] [stdout] test tests::test_nested_refs_inner_if ... ok
[INFO] [stdout] test tests::test_nested_refs_let_let_shadowing_1 ... ok
[INFO] [stdout] test tests::test_nested_refs_let_let_shadowing_2 ... ok
[INFO] [stdout] test tests::test_simple_if_let ... ok
[INFO] [stdout] test tests::test_nested_refs_outer_let ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests r4
[INFO] [stderr] error: DefId(0:0 ~ r4[b320]) has more than five doctests
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 1 previous error
[INFO] [stderr] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/bin/rustdoc --edition=2015 --crate-type lib --color auto --crate-name r4 --test src/lib.rs --test-run-directory /opt/rustwide/workdir -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern r4=/opt/rustwide/target/debug/deps/libr4-5acffeed6ea28178.rlib -C embed-bitcode=no --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values())' --cap-lints=forbid --error-format human` (exit status: 1)
[INFO] [stderr] note: test exited abnormally; to see the full output pass --nocapture to the harness.
[INFO] running `Command { std: "docker" "inspect" "ecdc31c87b79bd2eb06406a71b63c382e97122f0b048d8388e79a9cb95f9d7dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecdc31c87b79bd2eb06406a71b63c382e97122f0b048d8388e79a9cb95f9d7dd", kill_on_drop: false }`
[INFO] [stdout] ecdc31c87b79bd2eb06406a71b63c382e97122f0b048d8388e79a9cb95f9d7dd