[INFO] cloning repository https://github.com/cjsoltermann/rust-cards [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cjsoltermann/rust-cards" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjsoltermann%2Frust-cards", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjsoltermann%2Frust-cards'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 02a2ce2cc0d26f4b7b91f3cedd8e8610ebb6380e [INFO] testing cjsoltermann/rust-cards against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjsoltermann%2Frust-cards" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cjsoltermann/rust-cards on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cjsoltermann/rust-cards [INFO] finished tweaking git repo https://github.com/cjsoltermann/rust-cards [INFO] tweaked toml for git repo https://github.com/cjsoltermann/rust-cards written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/cjsoltermann/rust-cards already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a7ae8acbb95135db6370f6f7c10a12b62865463cd0afe50ee3b0b931d334f266 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "a7ae8acbb95135db6370f6f7c10a12b62865463cd0afe50ee3b0b931d334f266", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a7ae8acbb95135db6370f6f7c10a12b62865463cd0afe50ee3b0b931d334f266", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7ae8acbb95135db6370f6f7c10a12b62865463cd0afe50ee3b0b931d334f266", kill_on_drop: false }` [INFO] [stdout] a7ae8acbb95135db6370f6f7c10a12b62865463cd0afe50ee3b0b931d334f266 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a7c01b378e6d99b0051ddfdd53524d112f67069364328d57d798856e97c5269a [INFO] running `Command { std: "docker" "start" "-a" "a7c01b378e6d99b0051ddfdd53524d112f67069364328d57d798856e97c5269a", kill_on_drop: false }` [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling thing v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `enemy_hand` [INFO] [stdout] --> src/main.rs:188:13 [INFO] [stdout] | [INFO] [stdout] 188 | let mut enemy_hand = deck.draw_hand(7); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_enemy_hand` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:188:9 [INFO] [stdout] | [INFO] [stdout] 188 | let mut enemy_hand = deck.draw_hand(7); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `iter` [INFO] [stdout] --> src/main.rs:79:8 [INFO] [stdout] | [INFO] [stdout] 79 | fn iter(&self) -> slice::Iter { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.07s [INFO] running `Command { std: "docker" "inspect" "a7c01b378e6d99b0051ddfdd53524d112f67069364328d57d798856e97c5269a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7c01b378e6d99b0051ddfdd53524d112f67069364328d57d798856e97c5269a", kill_on_drop: false }` [INFO] [stdout] a7c01b378e6d99b0051ddfdd53524d112f67069364328d57d798856e97c5269a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6ff306af306b557ee55f1b72aec91d502d540100a347ba2183e4f419be2ef6bd [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "6ff306af306b557ee55f1b72aec91d502d540100a347ba2183e4f419be2ef6bd", kill_on_drop: false }` [INFO] [stderr] Compiling thing v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `enemy_hand` [INFO] [stdout] --> src/main.rs:188:13 [INFO] [stdout] | [INFO] [stdout] 188 | let mut enemy_hand = deck.draw_hand(7); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_enemy_hand` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:188:9 [INFO] [stdout] | [INFO] [stdout] 188 | let mut enemy_hand = deck.draw_hand(7); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `iter` [INFO] [stdout] --> src/main.rs:79:8 [INFO] [stdout] | [INFO] [stdout] 79 | fn iter(&self) -> slice::Iter { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.72s [INFO] running `Command { std: "docker" "inspect" "6ff306af306b557ee55f1b72aec91d502d540100a347ba2183e4f419be2ef6bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ff306af306b557ee55f1b72aec91d502d540100a347ba2183e4f419be2ef6bd", kill_on_drop: false }` [INFO] [stdout] 6ff306af306b557ee55f1b72aec91d502d540100a347ba2183e4f419be2ef6bd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 722d47547e736dd2426d111f2ac79d4853e23dd7c8c647acf6ffed5768868c0c [INFO] running `Command { std: "docker" "start" "-a" "722d47547e736dd2426d111f2ac79d4853e23dd7c8c647acf6ffed5768868c0c", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: unused variable: `enemy_hand` [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/main.rs:188:13 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 188 | let mut enemy_hand = deck.draw_hand(7); [INFO] [stdout] [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_enemy_hand` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:188:9 [INFO] [stderr] | [INFO] [stderr] 188 | let mut enemy_hand = deck.draw_hand(7); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `iter` [INFO] [stderr] --> src/main.rs:79:8 [INFO] [stderr] | [INFO] [stderr] 79 | fn iter(&self) -> slice::Iter { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `thing` (bin "thing" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/thing-5e7cd7dac2b56596) [INFO] running `Command { std: "docker" "inspect" "722d47547e736dd2426d111f2ac79d4853e23dd7c8c647acf6ffed5768868c0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "722d47547e736dd2426d111f2ac79d4853e23dd7c8c647acf6ffed5768868c0c", kill_on_drop: false }` [INFO] [stdout] 722d47547e736dd2426d111f2ac79d4853e23dd7c8c647acf6ffed5768868c0c