[INFO] fetching crate xcsp3-rust 0.1.0...
[INFO] checking xcsp3-rust-0.1.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate xcsp3-rust 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate xcsp3-rust 0.1.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xcsp3-rust 0.1.0
[INFO] finished tweaking crates.io crate xcsp3-rust 0.1.0
[INFO] tweaked toml for crates.io crate xcsp3-rust 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 26 packages to latest compatible versions
[INFO] [stderr]       Adding quick-xml v0.29.0 (latest: v0.36.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quick-xml v0.29.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8efd8b9f1680665900e29b19f889f1e8ad8dfdcb2a2854324bfb02da8ed5fee
[INFO] running `Command { std: "docker" "start" "-a" "f8efd8b9f1680665900e29b19f889f1e8ad8dfdcb2a2854324bfb02da8ed5fee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8efd8b9f1680665900e29b19f889f1e8ad8dfdcb2a2854324bfb02da8ed5fee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8efd8b9f1680665900e29b19f889f1e8ad8dfdcb2a2854324bfb02da8ed5fee", kill_on_drop: false }`
[INFO] [stdout] f8efd8b9f1680665900e29b19f889f1e8ad8dfdcb2a2854324bfb02da8ed5fee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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_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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed7fc3810595b2d10a7adb21e14933c31464e6f3c053d96d7406298263f50fee
[INFO] running `Command { std: "docker" "start" "-a" "ed7fc3810595b2d10a7adb21e14933c31464e6f3c053d96d7406298263f50fee", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking quick-xml v0.29.0
[INFO] [stderr]     Checking xcsp3-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `id`, `note`, and `type` are never read
[INFO] [stdout]   --> src/xcsp_xml/constraint_block.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub struct ConstraintBlock {
[INFO] [stdout]    |                --------------- fields in this struct
[INFO] [stdout] 71 |         #[serde(rename = "@id", default)]
[INFO] [stdout] 72 |         pub id: String,
[INFO] [stdout]    |             ^^
[INFO] [stdout] 73 |         #[serde(rename = "@note", default)]
[INFO] [stdout] 74 |         pub note: String,
[INFO] [stdout]    |             ^^^^
[INFO] [stdout] 75 |         #[serde(rename = "@class", default)]
[INFO] [stdout] 76 |         pub r#type: String,
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConstraintBlock` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `class` and `id` are never read
[INFO] [stdout]   --> src/xcsp_xml/constraint_group.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub struct ConstraintGroup {
[INFO] [stdout]    |                --------------- fields in this struct
[INFO] [stdout] 65 |         #[serde(rename = "@class", default)]
[INFO] [stdout] 66 |         pub class: String,
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 67 |         #[serde(rename = "@id", default)]
[INFO] [stdout] 68 |         pub id: String,
[INFO] [stdout]    |             ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConstraintGroup` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `vars` is never read
[INFO] [stdout]    --> src/xcsp_xml/constraint_type.rs:206:13
[INFO] [stdout]     |
[INFO] [stdout] 204 |         Circuit {
[INFO] [stdout]     |         ------- field in this variant
[INFO] [stdout] 205 |             #[serde(rename = "$value")]
[INFO] [stdout] 206 |             vars: String,
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ConstraintType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/xcsp_xml/objective.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub struct MaximizeMinimize {
[INFO] [stdout]    |                ---------------- field in this struct
[INFO] [stdout] 78 |         #[serde(rename = "id", default)]
[INFO] [stdout] 79 |         pub id: String,
[INFO] [stdout]    |             ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MaximizeMinimize` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `type_`, `start_index`, and `note` are never read
[INFO] [stdout]   --> src/xcsp_xml/variable_array.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub struct VariableArray {
[INFO] [stdout]    |                ------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 90 |         pub type_: String,
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 91 |         #[serde(rename = "@startIndex", default)]
[INFO] [stdout] 92 |         pub start_index: String,
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] 93 |         #[serde(rename = "@note", default)]
[INFO] [stdout] 94 |         pub note: String,
[INFO] [stdout]    |             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `VariableArray` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `note`, and `type` are never read
[INFO] [stdout]   --> src/xcsp_xml/constraint_block.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub struct ConstraintBlock {
[INFO] [stdout]    |                --------------- fields in this struct
[INFO] [stdout] 71 |         #[serde(rename = "@id", default)]
[INFO] [stdout] 72 |         pub id: String,
[INFO] [stdout]    |             ^^
[INFO] [stdout] 73 |         #[serde(rename = "@note", default)]
[INFO] [stdout] 74 |         pub note: String,
[INFO] [stdout]    |             ^^^^
[INFO] [stdout] 75 |         #[serde(rename = "@class", default)]
[INFO] [stdout] 76 |         pub r#type: String,
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConstraintBlock` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `class` and `id` are never read
[INFO] [stdout]   --> src/xcsp_xml/constraint_group.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub struct ConstraintGroup {
[INFO] [stdout]    |                --------------- fields in this struct
[INFO] [stdout] 65 |         #[serde(rename = "@class", default)]
[INFO] [stdout] 66 |         pub class: String,
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 67 |         #[serde(rename = "@id", default)]
[INFO] [stdout] 68 |         pub id: String,
[INFO] [stdout]    |             ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConstraintGroup` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `vars` is never read
[INFO] [stdout]    --> src/xcsp_xml/constraint_type.rs:206:13
[INFO] [stdout]     |
[INFO] [stdout] 204 |         Circuit {
[INFO] [stdout]     |         ------- field in this variant
[INFO] [stdout] 205 |             #[serde(rename = "$value")]
[INFO] [stdout] 206 |             vars: String,
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ConstraintType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/xcsp_xml/objective.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub struct MaximizeMinimize {
[INFO] [stdout]    |                ---------------- field in this struct
[INFO] [stdout] 78 |         #[serde(rename = "id", default)]
[INFO] [stdout] 79 |         pub id: String,
[INFO] [stdout]    |             ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MaximizeMinimize` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `type_`, `start_index`, and `note` are never read
[INFO] [stdout]   --> src/xcsp_xml/variable_array.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub struct VariableArray {
[INFO] [stdout]    |                ------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 90 |         pub type_: String,
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 91 |         #[serde(rename = "@startIndex", default)]
[INFO] [stdout] 92 |         pub start_index: String,
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] 93 |         #[serde(rename = "@note", default)]
[INFO] [stdout] 94 |         pub note: String,
[INFO] [stdout]    |             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `VariableArray` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.38s
[INFO] running `Command { std: "docker" "inspect" "ed7fc3810595b2d10a7adb21e14933c31464e6f3c053d96d7406298263f50fee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed7fc3810595b2d10a7adb21e14933c31464e6f3c053d96d7406298263f50fee", kill_on_drop: false }`
[INFO] [stdout] ed7fc3810595b2d10a7adb21e14933c31464e6f3c053d96d7406298263f50fee