[INFO] fetching crate xvc 0.6.11...
[INFO] checking xvc-0.6.11 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate xvc 0.6.11 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate xvc 0.6.11 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xvc 0.6.11
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate xvc 0.6.11
[INFO] tweaked toml for crates.io crate xvc 0.6.11 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate xvc 0.6.11 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd9958ff16a5e7f3bc82225303705ff83fa85991276809b8c5df8073607e7e4a
[INFO] running `Command { std: "docker" "start" "-a" "dd9958ff16a5e7f3bc82225303705ff83fa85991276809b8c5df8073607e7e4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd9958ff16a5e7f3bc82225303705ff83fa85991276809b8c5df8073607e7e4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd9958ff16a5e7f3bc82225303705ff83fa85991276809b8c5df8073607e7e4a", kill_on_drop: false }`
[INFO] [stdout] dd9958ff16a5e7f3bc82225303705ff83fa85991276809b8c5df8073607e7e4a
[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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 673a92aeed6249ae09eb049482b530de8314aede9c10ef21dedddde38e7e3916
[INFO] running `Command { std: "docker" "start" "-a" "673a92aeed6249ae09eb049482b530de8314aede9c10ef21dedddde38e7e3916", kill_on_drop: false }`
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[INFO] [stdout] warning: unused variable: `output_snd`
[INFO] [stdout]    --> src/git.rs:237:20
[INFO] [stdout]     |
[INFO] [stdout] 237 | pub fn git_ignored(output_snd: &XvcOutputSender,
[INFO] [stdout]     |                    ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output_snd`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output_snd`
[INFO] [stdout]    --> src/git.rs:237:20
[INFO] [stdout]     |
[INFO] [stdout] 237 | pub fn git_ignored(output_snd: &XvcOutputSender,
[INFO] [stdout]     |                    ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output_snd`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a function
[INFO] [stdout]    --> src/git.rs:237:1
[INFO] [stdout]     |
[INFO] [stdout] 237 | / pub fn git_ignored(output_snd: &XvcOutputSender,
[INFO] [stdout] 238 | |     git_command: &str,
[INFO] [stdout] 239 | |     xvc_root_str: &str,
[INFO] [stdout] 240 | |     path: &str) -> Result<bool> {
[INFO] [stdout]     | |_______________________________^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:1:9
[INFO] [stdout]     |
[INFO] [stdout] 1   | #![warn(missing_docs)]
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a function
[INFO] [stdout]    --> src/git.rs:237:1
[INFO] [stdout]     |
[INFO] [stdout] 237 | / pub fn git_ignored(output_snd: &XvcOutputSender,
[INFO] [stdout] 238 | |     git_command: &str,
[INFO] [stdout] 239 | |     xvc_root_str: &str,
[INFO] [stdout] 240 | |     path: &str) -> Result<bool> {
[INFO] [stdout]     | |_______________________________^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:1:9
[INFO] [stdout]     |
[INFO] [stdout] 1   | #![warn(missing_docs)]
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ffi::OsString`
[INFO] [stdout]  --> tests/test_core_util_notify.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::ffi::OsString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ffi::OsString`
[INFO] [stdout]  --> tests/test_walker_parallel.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     ffi::OsString,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow::anyhow`
[INFO] [stdout]  --> tests/z_test_docs.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use anyhow::anyhow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DOCS_SOURCE_DIR` is never used
[INFO] [stdout]   --> tests/z_test_docs.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | const DOCS_SOURCE_DIR: &str = "../book/src/";
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DOCS_TARGET_DIR` is never used
[INFO] [stdout]   --> tests/z_test_docs.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | const DOCS_TARGET_DIR: &str = "docs/";
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TEMPLATE_DIR` is never used
[INFO] [stdout]   --> tests/z_test_docs.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 | const TEMPLATE_DIR: &str = "templates/";
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `book_dirs_and_filters` is never used
[INFO] [stdout]   --> tests/z_test_docs.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn book_dirs_and_filters() -> Vec<(String, String)> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `link_to_docs` is never used
[INFO] [stdout]   --> tests/z_test_docs.rs:72:4
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn link_to_docs() -> Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `markdown_link_name` is never used
[INFO] [stdout]    --> tests/z_test_docs.rs:117:4
[INFO] [stdout]     |
[INFO] [stdout] 117 | fn markdown_link_name(doc_source_path: &Path) -> PathBuf {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `input_dir_name` is never used
[INFO] [stdout]    --> tests/z_test_docs.rs:128:4
[INFO] [stdout]     |
[INFO] [stdout] 128 | fn input_dir_name(doc_source_path: &Path) -> PathBuf {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `output_dir_path` is never used
[INFO] [stdout]    --> tests/z_test_docs.rs:139:4
[INFO] [stdout]     |
[INFO] [stdout] 139 | fn output_dir_path(doc_source_path: &Path) -> PathBuf {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_markdown_link` is never used
[INFO] [stdout]    --> tests/z_test_docs.rs:150:4
[INFO] [stdout]     |
[INFO] [stdout] 150 | fn make_markdown_link(doc_source_path: &Path, docs_target_dir: &Path) -> Result<PathBuf> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_input_dir_link` is never used
[INFO] [stdout]    --> tests/z_test_docs.rs:165:4
[INFO] [stdout]     |
[INFO] [stdout] 165 | fn make_input_dir_link(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_output_dir_link` is never used
[INFO] [stdout]    --> tests/z_test_docs.rs:188:4
[INFO] [stdout]     |
[INFO] [stdout] 188 | fn make_output_dir_link(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `filter_paths_under` is never used
[INFO] [stdout]    --> tests/z_test_docs.rs:222:4
[INFO] [stdout]     |
[INFO] [stdout] 222 | fn filter_paths_under(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `remove_all_symlinks_under` is never used
[INFO] [stdout]    --> tests/z_test_docs.rs:249:4
[INFO] [stdout]     |
[INFO] [stdout] 249 | fn remove_all_symlinks_under(dir: &Path) -> Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 54.94s
[INFO] running `Command { std: "docker" "inspect" "673a92aeed6249ae09eb049482b530de8314aede9c10ef21dedddde38e7e3916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "673a92aeed6249ae09eb049482b530de8314aede9c10ef21dedddde38e7e3916", kill_on_drop: false }`
[INFO] [stdout] 673a92aeed6249ae09eb049482b530de8314aede9c10ef21dedddde38e7e3916