[INFO] fetching crate retangled 0.1.1...
[INFO] fixing retangled-0.1.1 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] extracting crate retangled 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate retangled 0.1.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate retangled 0.1.1
[INFO] tweaked toml for crates.io crate retangled 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate retangled 0.1.1 on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate retangled 0.1.1 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 67a430da9b620d1c7966910ba8a934ca5f4ae9709638efe5d5617a998b614520
[INFO] running `Command { std: "docker" "start" "67a430da9b620d1c7966910ba8a934ca5f4ae9709638efe5d5617a998b614520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "67a430da9b620d1c7966910ba8a934ca5f4ae9709638efe5d5617a998b614520" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67a430da9b620d1c7966910ba8a934ca5f4ae9709638efe5d5617a998b614520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "67a430da9b620d1c7966910ba8a934ca5f4ae9709638efe5d5617a998b614520" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]     Checking winnow v0.7.14
[INFO] [stderr]     Checking toml_writer v1.0.6+spec-1.1.0
[INFO] [stderr]     Checking serde_spanned v1.0.4
[INFO] [stderr]     Checking toml_datetime v0.7.5+spec-1.1.0
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]     Checking toml_parser v1.0.6+spec-1.1.0
[INFO] [stderr]     Checking toml v0.9.11+spec-1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking retangled v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0063]: missing field `nth` in initializer of `parser::Metadata`
[INFO] [stdout]    --> src/parser.rs:306:21
[INFO] [stdout]     |
[INFO] [stdout] 306 |         assert_eq!(meta, (Metadata {
[INFO] [stdout]     |                           ^^^^^^^^ missing `nth`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0063`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `retangled` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0063]: missing field `nth` in initializer of `parser::Metadata`
[INFO] [stdout]    --> src/parser.rs:306:21
[INFO] [stdout]     |
[INFO] [stdout] 306 |         assert_eq!(meta, (Metadata {
[INFO] [stdout]     |                           ^^^^^^^^ missing `nth`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/stitcher.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 |             let mut i = 0;
[INFO] [stdout]    |                 ----^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0063`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `retangled` (bin "retangled" test) due to 1 previous error; 1 warning emitted
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/stitcher.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 |             let mut i = 0;
[INFO] [stdout]    |                 ----^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `stitcher::Error` is more private than the item `Stitcher::merge_blocks`
[INFO] [stdout]   --> src/stitcher.rs:51:2
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn merge_blocks(&mut self) -> Result<(), Error> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `Stitcher::merge_blocks` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `stitcher::Error` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/stitcher.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout]  7 | struct Error {
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `stitcher::Error` is more private than the item `Stitcher::insert`
[INFO] [stdout]   --> src/stitcher.rs:65:2
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn insert(&mut self) -> Result<(), Error> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `Stitcher::insert` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `stitcher::Error` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/stitcher.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout]  7 | struct Error {
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `stitcher::Error` is more private than the item `Stitcher::stitch`
[INFO] [stdout]   --> src/stitcher.rs:69:2
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn stitch(mut self) -> Result<String, Error> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `Stitcher::stitch` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `stitcher::Error` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/stitcher.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout]  7 | struct Error {
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/parser.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Parse(String)
[INFO] [stdout]   |     ----- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Error` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 7 -     Parse(String)
[INFO] [stdout] 7 +     Parse(())
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Code` is never constructed
[INFO] [stdout]   --> src/parser.rs:42:2
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub enum SourceKind {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] 41 |     Document,
[INFO] [stdout] 42 |     Code(Language),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SourceKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `extension_language` is never used
[INFO] [stdout]   --> src/parser.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn extension_language(path: &str, langs: &[Language]) -> Option<Language> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Error` is never constructed
[INFO] [stdout]  --> src/stitcher.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Error {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Stitcher` is never constructed
[INFO] [stdout]   --> src/stitcher.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Stitcher {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `parse`, `merge_blocks`, `insert`, and `stitch` are never used
[INFO] [stdout]   --> src/stitcher.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Stitcher {    
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 18 |     /// Parses codeblocks from a literate document and loads the codeblocks from all files referenced.
[INFO] [stdout] 19 |     pub fn parse(doc: String, config: Config) -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn merge_blocks(&mut self) -> Result<(), Error> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     pub fn insert(&mut self) -> Result<(), Error> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn stitch(mut self) -> Result<String, Error> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "67a430da9b620d1c7966910ba8a934ca5f4ae9709638efe5d5617a998b614520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67a430da9b620d1c7966910ba8a934ca5f4ae9709638efe5d5617a998b614520", kill_on_drop: false }`
[INFO] [stdout] 67a430da9b620d1c7966910ba8a934ca5f4ae9709638efe5d5617a998b614520
