[INFO] cloning repository https://github.com/aduarterengifo/rusty-tokey
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aduarterengifo/rusty-tokey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faduarterengifo%2Frusty-tokey", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faduarterengifo%2Frusty-tokey'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8155d814e7aaa49021c339abb02400c8452bb577
[INFO] checking aduarterengifo/rusty-tokey against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faduarterengifo%2Frusty-tokey" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/aduarterengifo/rusty-tokey
[INFO] finished tweaking git repo https://github.com/aduarterengifo/rusty-tokey
[INFO] tweaked toml for git repo https://github.com/aduarterengifo/rusty-tokey written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/aduarterengifo/rusty-tokey on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/aduarterengifo/rusty-tokey 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ffd9d615dd28fc2efa74ef13ab830a45d0a2422ffd748be6fbec381b5054431
[INFO] running `Command { std: "docker" "start" "-a" "2ffd9d615dd28fc2efa74ef13ab830a45d0a2422ffd748be6fbec381b5054431", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ffd9d615dd28fc2efa74ef13ab830a45d0a2422ffd748be6fbec381b5054431", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ffd9d615dd28fc2efa74ef13ab830a45d0a2422ffd748be6fbec381b5054431", kill_on_drop: false }`
[INFO] [stdout] 2ffd9d615dd28fc2efa74ef13ab830a45d0a2422ffd748be6fbec381b5054431
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 128a910a2cefe20c1090907e474ccce85bc23e9124db36a9ca8a7c5084d221c3
[INFO] running `Command { std: "docker" "start" "-a" "128a910a2cefe20c1090907e474ccce85bc23e9124db36a9ca8a7c5084d221c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.13.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]     Checking hashbrown v0.15.4
[INFO] [stderr]     Checking unindent v0.2.4
[INFO] [stderr]    Compiling indoc v2.0.6
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.1
[INFO] [stderr]     Checking indexmap v2.9.0
[INFO] [stderr]    Compiling pyo3-build-config v0.25.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]     Checking priority-queue v2.5.0
[INFO] [stderr]    Compiling pyo3-macros-backend v0.25.1
[INFO] [stderr]    Compiling pyo3-ffi v0.25.1
[INFO] [stderr]    Compiling pyo3 v0.25.1
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking fancy-regex v0.14.0
[INFO] [stderr]    Compiling pyo3-macros v0.25.1
[INFO] [stderr]     Checking rusty-tokey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `token_id`
[INFO] [stdout]   --> src/linked_array/mod.rs:49:44
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn replace_pair(&mut self, idx: usize, token_id: u32) -> Result<(), MergeError> {
[INFO] [stdout]    |                                            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_token_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `LinkedArray` is never constructed
[INFO] [stdout]   --> src/linked_array/mod.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct LinkedArray<T> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `elem`, `idx`, `next`, and `prev` are never read
[INFO] [stdout]  --> src/linked_array/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct LinkedArrayNode<T> {
[INFO] [stdout]   |        --------------- fields in this struct
[INFO] [stdout] 5 |     elem: T,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 6 |     idx: usize,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 7 |     next: Option<usize>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 8 |     prev: Option<usize>
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `LinkedArrayNode` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `vec` and `interner` are never read
[INFO] [stdout]   --> src/linked_array/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct LinkedArray<T> {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 13 |     vec: Vec<Option<LinkedArrayNode<T>>>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 14 |     interner: TokenInterner
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `replace_pair`, `prev`, and `next` are never used
[INFO] [stdout]    --> src/linked_array/mod.rs:25:8
[INFO] [stdout]     |
[INFO] [stdout]  24 | impl LinkedArray<u32> {
[INFO] [stdout]     | --------------------- associated items in this implementation
[INFO] [stdout]  25 |     fn new(vec: Vec<u32>, interner: TokenInterner) -> LinkedArray<u32> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  49 |     fn replace_pair(&mut self, idx: usize, token_id: u32) -> Result<(), MergeError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  93 |     fn prev(&self, idx: usize) -> Option<&LinkedArrayNode<u32>> {   
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     fn next(&self, idx: usize) -> Option<&LinkedArrayNode<u32>> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TokenInterner` is never constructed
[INFO] [stdout]  --> src/token_interner/mod.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct TokenInterner {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `TokenId` is never used
[INFO] [stdout]  --> src/token_interner/mod.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | type TokenId = u32;
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `intern` and `get_bytes` are never used
[INFO] [stdout]   --> src/token_interner/mod.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl TokenInterner {
[INFO] [stdout]    | ------------------ methods in this implementation
[INFO] [stdout] 12 |     fn intern(&mut self, token: Vec<u8>) -> TokenId {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn get_bytes(&self, id: TokenId) -> &[u8] {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token_id`
[INFO] [stdout]   --> src/linked_array/mod.rs:49:44
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn replace_pair(&mut self, idx: usize, token_id: u32) -> Result<(), MergeError> {
[INFO] [stdout]    |                                            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_token_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusty-tokey` (lib test) due to 1 previous error; 7 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `LinkedArray` is never constructed
[INFO] [stdout]   --> src/linked_array/mod.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct LinkedArray<T> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `elem`, `idx`, `next`, and `prev` are never read
[INFO] [stdout]  --> src/linked_array/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct LinkedArrayNode<T> {
[INFO] [stdout]   |        --------------- fields in this struct
[INFO] [stdout] 5 |     elem: T,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 6 |     idx: usize,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 7 |     next: Option<usize>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 8 |     prev: Option<usize>
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `LinkedArrayNode` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `vec` and `interner` are never read
[INFO] [stdout]   --> src/linked_array/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct LinkedArray<T> {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 13 |     vec: Vec<Option<LinkedArrayNode<T>>>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 14 |     interner: TokenInterner
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `replace_pair`, `prev`, and `next` are never used
[INFO] [stdout]    --> src/linked_array/mod.rs:25:8
[INFO] [stdout]     |
[INFO] [stdout]  24 | impl LinkedArray<u32> {
[INFO] [stdout]     | --------------------- associated items in this implementation
[INFO] [stdout]  25 |     fn new(vec: Vec<u32>, interner: TokenInterner) -> LinkedArray<u32> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  49 |     fn replace_pair(&mut self, idx: usize, token_id: u32) -> Result<(), MergeError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  93 |     fn prev(&self, idx: usize) -> Option<&LinkedArrayNode<u32>> {   
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     fn next(&self, idx: usize) -> Option<&LinkedArrayNode<u32>> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TokenInterner` is never constructed
[INFO] [stdout]  --> src/token_interner/mod.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct TokenInterner {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `TokenId` is never used
[INFO] [stdout]  --> src/token_interner/mod.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | type TokenId = u32;
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `intern` and `get_bytes` are never used
[INFO] [stdout]   --> src/token_interner/mod.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl TokenInterner {
[INFO] [stdout]    | ------------------ methods in this implementation
[INFO] [stdout] 12 |     fn intern(&mut self, token: Vec<u8>) -> TokenId {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn get_bytes(&self, id: TokenId) -> &[u8] {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusty-tokey` (lib) due to 1 previous error; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "128a910a2cefe20c1090907e474ccce85bc23e9124db36a9ca8a7c5084d221c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "128a910a2cefe20c1090907e474ccce85bc23e9124db36a9ca8a7c5084d221c3", kill_on_drop: false }`
[INFO] [stdout] 128a910a2cefe20c1090907e474ccce85bc23e9124db36a9ca8a7c5084d221c3
