[INFO] fetching crate tic-tac-go 0.1.0...
[INFO] testing tic-tac-go-0.1.0 against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] extracting crate tic-tac-go 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate tic-tac-go 0.1.0
[INFO] finished tweaking crates.io crate tic-tac-go 0.1.0
[INFO] tweaked toml for crates.io crate tic-tac-go 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tic-tac-go 0.1.0 on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tic-tac-go 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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf80dcdc8f6d62a9c84bea622f48a50cb0eba076ae5371f872f1ca984114ab95
[INFO] running `Command { std: "docker" "start" "-a" "cf80dcdc8f6d62a9c84bea622f48a50cb0eba076ae5371f872f1ca984114ab95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf80dcdc8f6d62a9c84bea622f48a50cb0eba076ae5371f872f1ca984114ab95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf80dcdc8f6d62a9c84bea622f48a50cb0eba076ae5371f872f1ca984114ab95", kill_on_drop: false }`
[INFO] [stdout] cf80dcdc8f6d62a9c84bea622f48a50cb0eba076ae5371f872f1ca984114ab95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37c6a0a116f0acffe179ca5876aa1dd46de0a3669ec2b2ce79be2e707ce5150b
[INFO] running `Command { std: "docker" "start" "-a" "37c6a0a116f0acffe179ca5876aa1dd46de0a3669ec2b2ce79be2e707ce5150b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling unicode-ident v1.0.23
[INFO] [stderr]    Compiling quote v1.0.44
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[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling native-tls v0.2.18
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[INFO] [stderr]    Compiling futures-channel v0.3.32
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[INFO] [stderr]    Compiling displaydoc v0.2.5
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[INFO] [stderr]    Compiling serde_derive v1.0.228
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[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling h2 v0.3.27
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling yoke v0.8.1
[INFO] [stderr]    Compiling zerovec v0.11.5
[INFO] [stderr]    Compiling zerotrie v0.2.3
[INFO] [stderr]    Compiling tinystr v0.8.2
[INFO] [stderr]    Compiling potential_utf v0.1.4
[INFO] [stderr]    Compiling icu_collections v2.1.1
[INFO] [stderr]    Compiling icu_locale_core v2.1.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling icu_provider v2.1.1
[INFO] [stderr]    Compiling tokio-rustls v0.24.1
[INFO] [stderr]    Compiling hyper v0.14.32
[INFO] [stderr]    Compiling icu_properties v2.1.2
[INFO] [stderr]    Compiling icu_normalizer v2.1.1
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling url v2.5.8
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling hyper-rustls v0.24.2
[INFO] [stderr]    Compiling reqwest v0.11.27
[INFO] [stderr]    Compiling tic-tac-go v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `download` and `list_puzzles`
[INFO] [stdout]   --> src/browser.rs:13:46
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::{board::Board, database::{upload, download, list_puzzles}};
[INFO] [stdout]    |                                              ^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/board.rs:51:26
[INFO] [stdout]    |
[INFO] [stdout] 51 |             let to_rc = |mut idx: usize| -> (usize, usize) {
[INFO] [stdout]    |                          ----^^^
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/browser.rs:85:21
[INFO] [stdout]    |
[INFO] [stdout] 85 |                 let mut it = nums.chunks(2);
[INFO] [stdout]    |                     ----^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from_flat`
[INFO] [stdout]    --> src/game.rs:618:9
[INFO] [stdout]     |
[INFO] [stdout] 618 |     let from_flat = |idx: usize| board.from_flat(idx);
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_from_flat`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Step` is never used
[INFO] [stdout]  --> src/solver.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum Step {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_puzzle` is never used
[INFO] [stdout]   --> src/solver.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn solve_puzzle(puzzle: Board) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 43.72s
[INFO] running `Command { std: "docker" "inspect" "37c6a0a116f0acffe179ca5876aa1dd46de0a3669ec2b2ce79be2e707ce5150b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37c6a0a116f0acffe179ca5876aa1dd46de0a3669ec2b2ce79be2e707ce5150b", kill_on_drop: false }`
[INFO] [stdout] 37c6a0a116f0acffe179ca5876aa1dd46de0a3669ec2b2ce79be2e707ce5150b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5af14dd8513c0fda53d1363ddd648e8cfe3b2c67ac0859b7a9431c8dd97e2d24
[INFO] running `Command { std: "docker" "start" "-a" "5af14dd8513c0fda53d1363ddd648e8cfe3b2c67ac0859b7a9431c8dd97e2d24", kill_on_drop: false }`
[INFO] [stderr]    Compiling tic-tac-go v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `download` and `list_puzzles`
[INFO] [stdout]   --> src/browser.rs:13:46
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::{board::Board, database::{upload, download, list_puzzles}};
[INFO] [stdout]    |                                              ^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/board.rs:51:26
[INFO] [stdout]    |
[INFO] [stdout] 51 |             let to_rc = |mut idx: usize| -> (usize, usize) {
[INFO] [stdout]    |                          ----^^^
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/browser.rs:85:21
[INFO] [stdout]    |
[INFO] [stdout] 85 |                 let mut it = nums.chunks(2);
[INFO] [stdout]    |                     ----^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from_flat`
[INFO] [stdout]    --> src/game.rs:618:9
[INFO] [stdout]     |
[INFO] [stdout] 618 |     let from_flat = |idx: usize| board.from_flat(idx);
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_from_flat`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Step` is never used
[INFO] [stdout]  --> src/solver.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum Step {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_puzzle` is never used
[INFO] [stdout]   --> src/solver.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn solve_puzzle(puzzle: Board) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "5af14dd8513c0fda53d1363ddd648e8cfe3b2c67ac0859b7a9431c8dd97e2d24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5af14dd8513c0fda53d1363ddd648e8cfe3b2c67ac0859b7a9431c8dd97e2d24", kill_on_drop: false }`
[INFO] [stdout] 5af14dd8513c0fda53d1363ddd648e8cfe3b2c67ac0859b7a9431c8dd97e2d24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 51609840ab5c864f35801ec746d6a502ae937592b30cc72388339a363d4651c6
[INFO] running `Command { std: "docker" "start" "-a" "51609840ab5c864f35801ec746d6a502ae937592b30cc72388339a363d4651c6", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `download` and `list_puzzles`
[INFO] [stderr]   --> src/browser.rs:13:46
[INFO] [stderr]    |
[INFO] [stderr] 13 | use crate::{board::Board, database::{upload, download, list_puzzles}};
[INFO] [stderr]    |                                              ^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/board.rs:51:26
[INFO] [stderr]    |
[INFO] [stderr] 51 |             let to_rc = |mut idx: usize| -> (usize, usize) {
[INFO] [stderr]    |                          ----^^^
[INFO] [stderr]    |                          |
[INFO] [stderr]    |                          help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/browser.rs:85:21
[INFO] [stderr]    |
[INFO] [stderr] 85 |                 let mut it = nums.chunks(2);
[INFO] [stderr]    |                     ----^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `from_flat`
[INFO] [stderr]    --> src/game.rs:618:9
[INFO] [stderr]     |
[INFO] [stderr] 618 |     let from_flat = |idx: usize| board.from_flat(idx);
[INFO] [stderr]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_from_flat`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Step` is never used
[INFO] [stderr]  --> src/solver.rs:3:6
[INFO] [stderr]   |
[INFO] [stderr] 3 | enum Step {
[INFO] [stderr]   |      ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `solve_puzzle` is never used
[INFO] [stderr]   --> src/solver.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn solve_puzzle(puzzle: Board) {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `tic-tac-go` (bin "tic-tac-go" test) generated 6 warnings (run `cargo fix --bin "tic-tac-go" -p tic-tac-go --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tic_tac_go-9a7d144e3c77b1b3)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "51609840ab5c864f35801ec746d6a502ae937592b30cc72388339a363d4651c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51609840ab5c864f35801ec746d6a502ae937592b30cc72388339a363d4651c6", kill_on_drop: false }`
[INFO] [stdout] 51609840ab5c864f35801ec746d6a502ae937592b30cc72388339a363d4651c6
