[INFO] cloning repository https://github.com/Arctic904/ante
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Arctic904/ante" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArctic904%2Fante", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArctic904%2Fante'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dad7952ca013ac359ed030a91d502bced1f361f4
[INFO] checking Arctic904/ante against master#3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0 for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArctic904%2Fante" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Arctic904/ante
[INFO] finished tweaking git repo https://github.com/Arctic904/ante
[INFO] tweaked toml for git repo https://github.com/Arctic904/ante written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Arctic904/ante on toolchain 3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Arctic904/ante 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" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e91d500dcdc53472831b788b29afc9d11e0cfb8d354c72480f5985a93a47b435
[INFO] running `Command { std: "docker" "start" "-a" "e91d500dcdc53472831b788b29afc9d11e0cfb8d354c72480f5985a93a47b435", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e91d500dcdc53472831b788b29afc9d11e0cfb8d354c72480f5985a93a47b435", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e91d500dcdc53472831b788b29afc9d11e0cfb8d354c72480f5985a93a47b435", kill_on_drop: false }`
[INFO] [stdout] e91d500dcdc53472831b788b29afc9d11e0cfb8d354c72480f5985a93a47b435
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65f584d9c9ff9ddb38ac5cc18761d79d1d92940d953d13747f882f64cd08f6c5
[INFO] running `Command { std: "docker" "start" "-a" "65f584d9c9ff9ddb38ac5cc18761d79d1d92940d953d13747f882f64cd08f6c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking termion v3.0.0
[INFO] [stderr]     Checking ante v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `pos`
[INFO] [stdout]   --> src/rope.rs:26:26
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn insert(&mut self, pos: usize, value: Vec<char>) {}
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_pos`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/rope.rs:26:38
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn insert(&mut self, pos: usize, value: Vec<char>) {}
[INFO] [stdout]    |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/rope.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let data = self.collect();
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `c` is never read
[INFO] [stdout]   --> src/rope.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let mut c = 0;
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pos`
[INFO] [stdout]   --> src/rope.rs:26:26
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn insert(&mut self, pos: usize, value: Vec<char>) {}
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_pos`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/rope.rs:26:38
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn insert(&mut self, pos: usize, value: Vec<char>) {}
[INFO] [stdout]    |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/rope.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let data = self.collect();
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `c` is never read
[INFO] [stdout]   --> src/rope.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let mut c = 0;
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/main.rs:78:25
[INFO] [stdout]    |
[INFO] [stdout] 78 |                         _ => write!(stdout, "Unimplimented").unwrap(),
[INFO] [stdout]    |                         ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/main.rs:78:25
[INFO] [stdout]    |
[INFO] [stdout] 44 |                         CommandList::Quit => break,
[INFO] [stdout]    |                         ----------------- matches some of the same values
[INFO] [stdout] 45 |                         CommandList::Clear => {
[INFO] [stdout]    |                         ------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 55 |                         CommandList::NewFile => {
[INFO] [stdout]    |                         -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 64 |                         CommandList::Invalid => write!(
[INFO] [stdout]    |                         -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 78 |                         _ => write!(stdout, "Unimplimented").unwrap(),
[INFO] [stdout]    |                         ^ ...and 1 other patterns collectively make this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/main.rs:78:25
[INFO] [stdout]    |
[INFO] [stdout] 78 |                         _ => write!(stdout, "Unimplimented").unwrap(),
[INFO] [stdout]    |                         ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/main.rs:78:25
[INFO] [stdout]    |
[INFO] [stdout] 44 |                         CommandList::Quit => break,
[INFO] [stdout]    |                         ----------------- matches some of the same values
[INFO] [stdout] 45 |                         CommandList::Clear => {
[INFO] [stdout]    |                         ------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 55 |                         CommandList::NewFile => {
[INFO] [stdout]    |                         -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 64 |                         CommandList::Invalid => write!(
[INFO] [stdout]    |                         -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 78 |                         _ => write!(stdout, "Unimplimented").unwrap(),
[INFO] [stdout]    |                         ^ ...and 1 other patterns collectively make this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `root` is never read
[INFO] [stdout]  --> src/rope.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Rope {
[INFO] [stdout]   |        ---- field in this struct
[INFO] [stdout] 3 |     root: Node,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Rope` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/rope.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Leaf(LeafData),
[INFO] [stdout]   |     ---- ^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Node` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[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] 9 -     Leaf(LeafData),
[INFO] [stdout] 9 +     Leaf(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Internal` is never constructed
[INFO] [stdout]   --> src/rope.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | enum Node {
[INFO] [stdout]    |      ---- variant in this enum
[INFO] [stdout] 9  |     Leaf(LeafData),
[INFO] [stdout] 10 |     Internal(InternalData),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` 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: field `content` is never read
[INFO] [stdout]   --> src/rope.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct LeafData {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 15 |     content: Vec<u8>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LeafData` 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: fields `index`, `size`, and `children` are never read
[INFO] [stdout]   --> src/rope.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct InternalData {
[INFO] [stdout]    |        ------------ fields in this struct
[INFO] [stdout] 20 |     index: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 21 |     size: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 22 |     children: Box<(Node, Node)>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InternalData` 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: function `calc_fib` is never used
[INFO] [stdout]   --> src/rope.rs:72:4
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn calc_fib(n: u32) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `textPos` should have a snake case name
[INFO] [stdout]   --> src/main.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut textPos: Cursor = Cursor { x: 1, y: 1 };
[INFO] [stdout]    |             ^^^^^^^ help: convert the identifier to snake case: `text_pos`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `root` is never read
[INFO] [stdout]  --> src/rope.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Rope {
[INFO] [stdout]   |        ---- field in this struct
[INFO] [stdout] 3 |     root: Node,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Rope` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/rope.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Leaf(LeafData),
[INFO] [stdout]   |     ---- ^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Node` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[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] 9 -     Leaf(LeafData),
[INFO] [stdout] 9 +     Leaf(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Internal` is never constructed
[INFO] [stdout]   --> src/rope.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | enum Node {
[INFO] [stdout]    |      ---- variant in this enum
[INFO] [stdout] 9  |     Leaf(LeafData),
[INFO] [stdout] 10 |     Internal(InternalData),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` 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: field `content` is never read
[INFO] [stdout]   --> src/rope.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct LeafData {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 15 |     content: Vec<u8>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LeafData` 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: fields `index`, `size`, and `children` are never read
[INFO] [stdout]   --> src/rope.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct InternalData {
[INFO] [stdout]    |        ------------ fields in this struct
[INFO] [stdout] 20 |     index: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 21 |     size: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 22 |     children: Box<(Node, Node)>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InternalData` 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: function `calc_fib` is never used
[INFO] [stdout]   --> src/rope.rs:72:4
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn calc_fib(n: u32) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `textPos` should have a snake case name
[INFO] [stdout]   --> src/main.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut textPos: Cursor = Cursor { x: 1, y: 1 };
[INFO] [stdout]    |             ^^^^^^^ help: convert the identifier to snake case: `text_pos`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `Command { std: "docker" "inspect" "65f584d9c9ff9ddb38ac5cc18761d79d1d92940d953d13747f882f64cd08f6c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65f584d9c9ff9ddb38ac5cc18761d79d1d92940d953d13747f882f64cd08f6c5", kill_on_drop: false }`
[INFO] [stdout] 65f584d9c9ff9ddb38ac5cc18761d79d1d92940d953d13747f882f64cd08f6c5
