[INFO] cloning repository https://github.com/my4ng/csp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/my4ng/csp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmy4ng%2Fcsp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmy4ng%2Fcsp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f5b668ea7de82d179e9b016aeb47c360226560e9
[INFO] checking my4ng/csp against master#9e293ae9f8abecb0be5105787d181518c9012a19 for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmy4ng%2Fcsp" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/my4ng/csp
[INFO] finished tweaking git repo https://github.com/my4ng/csp
[INFO] tweaked toml for git repo https://github.com/my4ng/csp written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/my4ng/csp on toolchain 9e293ae9f8abecb0be5105787d181518c9012a19
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/my4ng/csp 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" "+9e293ae9f8abecb0be5105787d181518c9012a19" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ebda7a21d31ddcbf8b43ff9bb30d7ebc20b212b096e3a1ebaaaa85aeb7591aa
[INFO] running `Command { std: "docker" "start" "-a" "2ebda7a21d31ddcbf8b43ff9bb30d7ebc20b212b096e3a1ebaaaa85aeb7591aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ebda7a21d31ddcbf8b43ff9bb30d7ebc20b212b096e3a1ebaaaa85aeb7591aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ebda7a21d31ddcbf8b43ff9bb30d7ebc20b212b096e3a1ebaaaa85aeb7591aa", kill_on_drop: false }`
[INFO] [stdout] 2ebda7a21d31ddcbf8b43ff9bb30d7ebc20b212b096e3a1ebaaaa85aeb7591aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a05b7263f677b721ef514de62d6e33a0c4c258215027aaebb53cb8386fad749d
[INFO] running `Command { std: "docker" "start" "-a" "a05b7263f677b721ef514de62d6e33a0c4c258215027aaebb53cb8386fad749d", kill_on_drop: false }`
[INFO] [stderr]     Checking csp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/lib.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl<T: Domainable> Variable<T> {
[INFO] [stdout]    | ------------------------------- associated function in this implementation
[INFO] [stdout] 19 |     fn new(domain: HashSet<T>) -> Variable<T> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `var1`, `var1_value`, `var2`, and `var2_value` are never read
[INFO] [stdout]   --> src/lib.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct BinaryConstraint<'a, T: Domainable> {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] 25 |     var1: &'a Variable<T>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 26 |     var1_value: T,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 27 |     var2: &'a Variable<T>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 28 |     var2_value: T,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/lib.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl<'a, T: Domainable> BinaryConstraint<'a, T> {
[INFO] [stdout]    | ----------------------------------------------- associated function in this implementation
[INFO] [stdout] 32 |     fn new(
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `constraints` is never read
[INFO] [stdout]   --> src/lib.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub struct Constraints<'a, T: Domainable> {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 53 |     constraints: HashSet<&'a BinaryConstraint<'a, T>>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/lib.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | impl<'a, T: Domainable> Constraints<'a, T> {
[INFO] [stdout]    | ------------------------------------------ associated function in this implementation
[INFO] [stdout] 57 |     fn new(constraints: HashSet<&'a BinaryConstraint<'a, T>>) -> Constraints<'a, T> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `assignments` is never read
[INFO] [stdout]   --> src/lib.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub struct State<'a, T: Domainable> {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 65 |     assignments: HashMap<&'a Variable<T>, Option<T>>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `is_consistent`, and `is_complete` are never used
[INFO] [stdout]    --> src/lib.rs:69:8
[INFO] [stdout]     |
[INFO] [stdout]  68 | impl<'a, T: Domainable> State<'a, T> {
[INFO] [stdout]     | ------------------------------------ associated items in this implementation
[INFO] [stdout]  69 |     fn new(variables: HashSet<&'a Variable<T>>) -> State<'a, T> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  79 |     fn is_consistent(&self, constraints: &Constraints<'a, T>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 |     fn is_complete(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `binary_constraint`
[INFO] [stdout]    --> src/lib.rs:143:13
[INFO] [stdout]     |
[INFO] [stdout] 143 |         let binary_constraint = BinaryConstraint::new(&var1, 3, &var2, 3);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_binary_constraint`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `binary_constraint`
[INFO] [stdout]    --> src/lib.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 |         let binary_constraint = BinaryConstraint::new(&var1, 4, &var2, 4);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_binary_constraint`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `constraints` is never read
[INFO] [stdout]   --> src/lib.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub struct Constraints<'a, T: Domainable> {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 53 |     constraints: HashSet<&'a BinaryConstraint<'a, T>>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/lib.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | impl<'a, T: Domainable> Constraints<'a, T> {
[INFO] [stdout]    | ------------------------------------------ associated function in this implementation
[INFO] [stdout] 57 |     fn new(constraints: HashSet<&'a BinaryConstraint<'a, T>>) -> Constraints<'a, T> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `assignments` is never read
[INFO] [stdout]   --> src/lib.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub struct State<'a, T: Domainable> {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 65 |     assignments: HashMap<&'a Variable<T>, Option<T>>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `is_consistent`, and `is_complete` are never used
[INFO] [stdout]    --> src/lib.rs:69:8
[INFO] [stdout]     |
[INFO] [stdout]  68 | impl<'a, T: Domainable> State<'a, T> {
[INFO] [stdout]     | ------------------------------------ associated items in this implementation
[INFO] [stdout]  69 |     fn new(variables: HashSet<&'a Variable<T>>) -> State<'a, T> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  79 |     fn is_consistent(&self, constraints: &Constraints<'a, T>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 |     fn is_complete(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BinaryConstraint` and `Variable`
[INFO] [stdout]  --> src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use csp::{BinaryConstraint, Variable};
[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 imports: `BinaryConstraint` and `Variable`
[INFO] [stdout]  --> src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use csp::{BinaryConstraint, Variable};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "a05b7263f677b721ef514de62d6e33a0c4c258215027aaebb53cb8386fad749d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a05b7263f677b721ef514de62d6e33a0c4c258215027aaebb53cb8386fad749d", kill_on_drop: false }`
[INFO] [stdout] a05b7263f677b721ef514de62d6e33a0c4c258215027aaebb53cb8386fad749d
