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[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jsim2010/paper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsim2010%2Fpaper", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
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[INFO] checking jsim2010/paper against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsim2010%2Fpaper" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jsim2010/paper
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[INFO] validating manifest of git repo https://github.com/jsim2010/paper on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `log::error`
[INFO] [stdout]   --> src/io.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     log::error,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::error`
[INFO] [stdout]   --> src/io.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     log::error,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/app/translate.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/app/translate.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `DocOp` is never used
[INFO] [stdout]   --> src/app/translate.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub(crate) enum DocOp {
[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 `ReadFileError` is never constructed
[INFO] [stdout]   --> src/io.rs:96:8
[INFO] [stdout]    |
[INFO] [stdout] 96 | struct ReadFileError {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Glitch` is never used
[INFO] [stdout]    --> src/io.rs:107:6
[INFO] [stdout]     |
[INFO] [stdout] 107 | enum Glitch {
[INFO] [stdout]     |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `InvalidFileStringError` is never used
[INFO] [stdout]    --> src/io.rs:143:17
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub(crate) enum InvalidFileStringError {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tongue` is never read
[INFO] [stdout]    --> src/io.rs:260:5
[INFO] [stdout]     |
[INFO] [stdout] 254 | pub(crate) struct Interface {
[INFO] [stdout]     |                   --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 260 |     tongue: Rc<Tongue>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Interface` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UrlError` is never constructed
[INFO] [stdout]    --> src/io.rs:353:8
[INFO] [stdout]     |
[INFO] [stdout] 353 | struct UrlError(String);
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `version` is never read
[INFO] [stdout]    --> src/io.rs:558:9
[INFO] [stdout]     |
[INFO] [stdout] 556 |     Open {
[INFO] [stdout]     |     ---- field in this variant
[INFO] [stdout] 557 |         /// The version of the document.
[INFO] [stdout] 558 |         version: i32,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `DocEdit` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DocChange` is never constructed
[INFO] [stdout]    --> src/io.rs:566:19
[INFO] [stdout]     |
[INFO] [stdout] 566 | pub(crate) struct DocChange {
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `modifiers` is never read
[INFO] [stdout]    --> src/io/ui.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 192 |     Key {
[INFO] [stdout]     |     --- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 196 |         modifiers: KeyModifiers,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `UserAction` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `DocOp` is never used
[INFO] [stdout]   --> src/app/translate.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub(crate) enum DocOp {
[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 `ReadFileError` is never constructed
[INFO] [stdout]   --> src/io.rs:96:8
[INFO] [stdout]    |
[INFO] [stdout] 96 | struct ReadFileError {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Glitch` is never used
[INFO] [stdout]    --> src/io.rs:107:6
[INFO] [stdout]     |
[INFO] [stdout] 107 | enum Glitch {
[INFO] [stdout]     |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `InvalidFileStringError` is never used
[INFO] [stdout]    --> src/io.rs:143:17
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub(crate) enum InvalidFileStringError {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tongue` is never read
[INFO] [stdout]    --> src/io.rs:260:5
[INFO] [stdout]     |
[INFO] [stdout] 254 | pub(crate) struct Interface {
[INFO] [stdout]     |                   --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 260 |     tongue: Rc<Tongue>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Interface` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UrlError` is never constructed
[INFO] [stdout]    --> src/io.rs:353:8
[INFO] [stdout]     |
[INFO] [stdout] 353 | struct UrlError(String);
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `version` is never read
[INFO] [stdout]    --> src/io.rs:558:9
[INFO] [stdout]     |
[INFO] [stdout] 556 |     Open {
[INFO] [stdout]     |     ---- field in this variant
[INFO] [stdout] 557 |         /// The version of the document.
[INFO] [stdout] 558 |         version: i32,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `DocEdit` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DocChange` is never constructed
[INFO] [stdout]    --> src/io.rs:566:19
[INFO] [stdout]     |
[INFO] [stdout] 566 | pub(crate) struct DocChange {
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `modifiers` is never read
[INFO] [stdout]    --> src/io/ui.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 192 |     Key {
[INFO] [stdout]     |     --- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 196 |         modifiers: KeyModifiers,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `UserAction` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: quick-xml v0.22.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "7458e3b4d71dfa25fe457da411442a612a7bb1453a7a0647f2ec609856274593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7458e3b4d71dfa25fe457da411442a612a7bb1453a7a0647f2ec609856274593", kill_on_drop: false }`
[INFO] [stdout] 7458e3b4d71dfa25fe457da411442a612a7bb1453a7a0647f2ec609856274593
