[INFO] cloning repository https://github.com/Vlamonster/paper_thin_tactics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Vlamonster/paper_thin_tactics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVlamonster%2Fpaper_thin_tactics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVlamonster%2Fpaper_thin_tactics'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa769912168f6de5cb21bfe74f0ffb67845790f3
[INFO] checking Vlamonster/paper_thin_tactics against try#7424ce9ff9baac3e9d9f5dd3c85828cddea0134d for pr-136776-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVlamonster%2Fpaper_thin_tactics" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Vlamonster/paper_thin_tactics
[INFO] finished tweaking git repo https://github.com/Vlamonster/paper_thin_tactics
[INFO] tweaked toml for git repo https://github.com/Vlamonster/paper_thin_tactics written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Vlamonster/paper_thin_tactics on toolchain 7424ce9ff9baac3e9d9f5dd3c85828cddea0134d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7424ce9ff9baac3e9d9f5dd3c85828cddea0134d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Vlamonster/paper_thin_tactics 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" "+7424ce9ff9baac3e9d9f5dd3c85828cddea0134d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+7424ce9ff9baac3e9d9f5dd3c85828cddea0134d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 225e078c167f2e33fea33fd52a89c0b1570469b8a011d5602befe451ecb311e3
[INFO] running `Command { std: "docker" "start" "-a" "225e078c167f2e33fea33fd52a89c0b1570469b8a011d5602befe451ecb311e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "225e078c167f2e33fea33fd52a89c0b1570469b8a011d5602befe451ecb311e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "225e078c167f2e33fea33fd52a89c0b1570469b8a011d5602befe451ecb311e3", kill_on_drop: false }`
[INFO] [stdout] 225e078c167f2e33fea33fd52a89c0b1570469b8a011d5602befe451ecb311e3
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+7424ce9ff9baac3e9d9f5dd3c85828cddea0134d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f611b6ae67185ee511330736f6dd7cb98005f289885bc8dfd6c68b883f7cc33
[INFO] running `Command { std: "docker" "start" "-a" "6f611b6ae67185ee511330736f6dd7cb98005f289885bc8dfd6c68b883f7cc33", kill_on_drop: false }`
[INFO] [stderr]     Checking paper-thin-tactics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/main.rs:137:32
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn update_legal(&mut self, y: usize, x: usize) -> bool {
[INFO] [stdout]     |                                ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/main.rs:137:32
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn update_legal(&mut self, y: usize, x: usize) -> bool {
[INFO] [stdout]     |                                ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/main.rs:137:42
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn update_legal(&mut self, y: usize, x: usize) -> bool {
[INFO] [stdout]     |                                          ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/main.rs:137:42
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn update_legal(&mut self, y: usize, x: usize) -> bool {
[INFO] [stdout]     |                                          ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `BlueWall` and `RedWall` are never constructed
[INFO] [stdout]   --> src/main.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  4 | enum Cell {
[INFO] [stdout]    |      ---- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout]  9 |     BlueWall,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 10 |     RedWall,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Cell` has a derived impl for the trait `Clone`, but this is 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: variant `Red` is never constructed
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | enum Player {
[INFO] [stdout]    |      ------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 23 |     Red,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `BlueWall` and `RedWall` are never constructed
[INFO] [stdout]   --> src/main.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  4 | enum Cell {
[INFO] [stdout]    |      ---- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout]  9 |     BlueWall,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 10 |     RedWall,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Cell` has a derived impl for the trait `Clone`, but this is 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 `legal_blue` and `legal_red` are never read
[INFO] [stdout]   --> src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct Game {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 30 |     legal_blue: Mask,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 31 |     legal_red: Mask,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Red` is never constructed
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | enum Player {
[INFO] [stdout]    |      ------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 23 |     Red,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `place` and `update_legal` are never used
[INFO] [stdout]    --> src/main.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 108 | impl Game {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] 109 |     /// Place a cell. Returns whether the placement was legal.
[INFO] [stdout] 110 |     fn place(&mut self, y: usize, x: usize) -> bool {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 137 |     fn update_legal(&mut self, y: usize, x: usize) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `legal_blue` and `legal_red` are never read
[INFO] [stdout]   --> src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct Game {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 30 |     legal_blue: Mask,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 31 |     legal_red: Mask,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `place` and `update_legal` are never used
[INFO] [stdout]    --> src/main.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 108 | impl Game {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] 109 |     /// Place a cell. Returns whether the placement was legal.
[INFO] [stdout] 110 |     fn place(&mut self, y: usize, x: usize) -> bool {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 137 |     fn update_legal(&mut self, y: usize, x: usize) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "6f611b6ae67185ee511330736f6dd7cb98005f289885bc8dfd6c68b883f7cc33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f611b6ae67185ee511330736f6dd7cb98005f289885bc8dfd6c68b883f7cc33", kill_on_drop: false }`
[INFO] [stdout] 6f611b6ae67185ee511330736f6dd7cb98005f289885bc8dfd6c68b883f7cc33