[INFO] fetching crate rustle-game 0.1.0...
[INFO] checking rustle-game-0.1.0 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] extracting crate rustle-game 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate rustle-game 0.1.0
[INFO] finished tweaking crates.io crate rustle-game 0.1.0
[INFO] tweaked toml for crates.io crate rustle-game 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustle-game 0.1.0 on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rustle-game 0.1.0 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef2e68fd620339e7c497ec2c08f57c77cbcdbf799309dba39af1259f459feef1
[INFO] running `Command { std: "docker" "start" "-a" "ef2e68fd620339e7c497ec2c08f57c77cbcdbf799309dba39af1259f459feef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef2e68fd620339e7c497ec2c08f57c77cbcdbf799309dba39af1259f459feef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef2e68fd620339e7c497ec2c08f57c77cbcdbf799309dba39af1259f459feef1", kill_on_drop: false }`
[INFO] [stdout] ef2e68fd620339e7c497ec2c08f57c77cbcdbf799309dba39af1259f459feef1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50ddef6cb3f79ba315afdbe3bfb48a1b2a62ef63711d6ffab855f85789fea445
[INFO] running `Command { std: "docker" "start" "-a" "50ddef6cb3f79ba315afdbe3bfb48a1b2a62ef63711d6ffab855f85789fea445", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking getrandom v0.2.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.1.4
[INFO] [stderr]     Checking clap v3.1.6
[INFO] [stderr]     Checking rustle-game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BufReader`
[INFO] [stdout]  --> src/wordle.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{BufRead, BufReader};
[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: `std::fs`
[INFO] [stdout]  --> src/wordle.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufReader`
[INFO] [stdout]  --> src/wordle.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{BufRead, BufReader};
[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: `std::fs`
[INFO] [stdout]  --> src/wordle.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/wordle.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{BufRead, BufReader};
[INFO] [stdout]   |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/wordle.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{BufRead, BufReader};
[INFO] [stdout]   |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Bounds` is more private than the item `Operation::get_restricted_bounds`
[INFO] [stdout]    --> src/nerdle.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn get_restricted_bounds(answer_bounds: &Bounds, rest_bounds: &Bounds) -> Bounds;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated function `Operation::get_restricted_bounds` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Bounds` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/nerdle.rs:15:1
[INFO] [stdout]     |
[INFO] [stdout]  15 | struct Bounds {
[INFO] [stdout]     | ^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `print` and `union` are never used
[INFO] [stdout]   --> src/nerdle.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Bounds {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 36 |     fn print(&self) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     fn union(&self, b: &Bounds) -> Bounds {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Divide` is never constructed
[INFO] [stdout]   --> src/nerdle.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 93 | enum Op {
[INFO] [stdout]    |      -- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 97 |     Divide
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Op` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Operation` is never used
[INFO] [stdout]    --> src/nerdle.rs:100:11
[INFO] [stdout]     |
[INFO] [stdout] 100 | pub trait Operation {
[INFO] [stdout]     |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_borrowed` is never used
[INFO] [stdout]    --> src/nerdle.rs:142:8
[INFO] [stdout]     |
[INFO] [stdout] 140 | impl Expression {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] 141 |
[INFO] [stdout] 142 |     fn to_borrowed(&self) -> Expression {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `nerdle::Bounds` is more private than the item `Operation::get_restricted_bounds`
[INFO] [stdout]    --> src/nerdle.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn get_restricted_bounds(answer_bounds: &Bounds, rest_bounds: &Bounds) -> Bounds;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated function `Operation::get_restricted_bounds` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `nerdle::Bounds` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/nerdle.rs:15:1
[INFO] [stdout]     |
[INFO] [stdout]  15 | struct Bounds {
[INFO] [stdout]     | ^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]   --> src/nerdle.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Bounds {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 36 |     fn print(&self) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Divide` is never constructed
[INFO] [stdout]   --> src/nerdle.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 93 | enum Op {
[INFO] [stdout]    |      -- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 97 |     Divide
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Op` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Operation` is never used
[INFO] [stdout]    --> src/nerdle.rs:100:11
[INFO] [stdout]     |
[INFO] [stdout] 100 | pub trait Operation {
[INFO] [stdout]     |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_borrowed` is never used
[INFO] [stdout]    --> src/nerdle.rs:142:8
[INFO] [stdout]     |
[INFO] [stdout] 140 | impl Expression {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] 141 |
[INFO] [stdout] 142 |     fn to_borrowed(&self) -> Expression {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.32s
[INFO] running `Command { std: "docker" "inspect" "50ddef6cb3f79ba315afdbe3bfb48a1b2a62ef63711d6ffab855f85789fea445", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50ddef6cb3f79ba315afdbe3bfb48a1b2a62ef63711d6ffab855f85789fea445", kill_on_drop: false }`
[INFO] [stdout] 50ddef6cb3f79ba315afdbe3bfb48a1b2a62ef63711d6ffab855f85789fea445