[INFO] cloning repository https://github.com/tompscanlan/rust-roulette [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tompscanlan/rust-roulette" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftompscanlan%2Frust-roulette", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftompscanlan%2Frust-roulette'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 047d7206fbee25dcbd9caeb5e40e6441812a1b88 [INFO] checking tompscanlan/rust-roulette against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftompscanlan%2Frust-roulette" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/tompscanlan/rust-roulette [INFO] finished tweaking git repo https://github.com/tompscanlan/rust-roulette [INFO] tweaked toml for git repo https://github.com/tompscanlan/rust-roulette written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/tompscanlan/rust-roulette on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/tompscanlan/rust-roulette 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b40baa74287abf6e256c60f9b6189502e9e21ff3c0f65daaa53e0a0013b11d54 [INFO] running `Command { std: "docker" "start" "-a" "b40baa74287abf6e256c60f9b6189502e9e21ff3c0f65daaa53e0a0013b11d54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b40baa74287abf6e256c60f9b6189502e9e21ff3c0f65daaa53e0a0013b11d54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b40baa74287abf6e256c60f9b6189502e9e21ff3c0f65daaa53e0a0013b11d54", kill_on_drop: false }` [INFO] [stdout] b40baa74287abf6e256c60f9b6189502e9e21ff3c0f65daaa53e0a0013b11d54 [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 92b159d410ebbd81fd82d827d61322981b2c12432192aaccbdd956f266cc02c3 [INFO] running `Command { std: "docker" "start" "-a" "92b159d410ebbd81fd82d827d61322981b2c12432192aaccbdd956f266cc02c3", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.149 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking roulette v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `strategy::doubleonloss::DoubleOnLoss` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use strategy::doubleonloss::DoubleOnLoss; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `strategy::doubleonloss::DoubleOnLoss` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use strategy::doubleonloss::DoubleOnLoss; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `spins` [INFO] [stdout] --> src/strategy/cross.rs:9:28 [INFO] [stdout] | [INFO] [stdout] 9 | fn next_bet(&mut self, spins: Vec, bets: Vec>) -> Vec { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_spins` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `bets` [INFO] [stdout] --> src/strategy/cross.rs:9:54 [INFO] [stdout] | [INFO] [stdout] 9 | fn next_bet(&mut self, spins: Vec, bets: Vec>) -> Vec { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_bets` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `start_amount` is never read [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 12 | struct RouletteSession<'a> { [INFO] [stdout] | --------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 16 | start_amount: i32, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `DoubleOnLoss` is never constructed [INFO] [stdout] --> src/strategy/doubleonloss.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct DoubleOnLoss {} [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `spins` [INFO] [stdout] --> src/strategy/cross.rs:9:28 [INFO] [stdout] | [INFO] [stdout] 9 | fn next_bet(&mut self, spins: Vec, bets: Vec>) -> Vec { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_spins` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `bets` [INFO] [stdout] --> src/strategy/cross.rs:9:54 [INFO] [stdout] | [INFO] [stdout] 9 | fn next_bet(&mut self, spins: Vec, bets: Vec>) -> Vec { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_bets` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `start_amount` is never read [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 12 | struct RouletteSession<'a> { [INFO] [stdout] | --------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 16 | start_amount: i32, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `DoubleOnLoss` is never constructed [INFO] [stdout] --> src/strategy/doubleonloss.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct DoubleOnLoss {} [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.95s [INFO] running `Command { std: "docker" "inspect" "92b159d410ebbd81fd82d827d61322981b2c12432192aaccbdd956f266cc02c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "92b159d410ebbd81fd82d827d61322981b2c12432192aaccbdd956f266cc02c3", kill_on_drop: false }` [INFO] [stdout] 92b159d410ebbd81fd82d827d61322981b2c12432192aaccbdd956f266cc02c3