[INFO] cloning repository https://github.com/killercup/rust-cheat-sheet [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/killercup/rust-cheat-sheet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkillercup%2Frust-cheat-sheet", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkillercup%2Frust-cheat-sheet'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d4705136cd5a38a459017f1168e0c0c411956a31 [INFO] testing killercup/rust-cheat-sheet 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%2Fkillercup%2Frust-cheat-sheet" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/killercup/rust-cheat-sheet 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/killercup/rust-cheat-sheet [INFO] finished tweaking git repo https://github.com/killercup/rust-cheat-sheet [INFO] tweaked toml for git repo https://github.com/killercup/rust-cheat-sheet written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/killercup/rust-cheat-sheet 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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] fab28929565bfda8a7339b551751a43938ca75c71813ba17f88b24f30b6fe5bd [INFO] running `Command { std: "docker" "start" "-a" "fab28929565bfda8a7339b551751a43938ca75c71813ba17f88b24f30b6fe5bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fab28929565bfda8a7339b551751a43938ca75c71813ba17f88b24f30b6fe5bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fab28929565bfda8a7339b551751a43938ca75c71813ba17f88b24f30b6fe5bd", kill_on_drop: false }` [INFO] [stdout] fab28929565bfda8a7339b551751a43938ca75c71813ba17f88b24f30b6fe5bd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] bac23b270128ceb329ec9863ab705676ecbc6760005e75110cdb292a3210b511 [INFO] running `Command { std: "docker" "start" "-a" "bac23b270128ceb329ec9863ab705676ecbc6760005e75110cdb292a3210b511", kill_on_drop: false }` [INFO] [stderr] Compiling rust101 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> cheat-sheet.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let x = 1; // `x` is now `1` (a 32bit integer, `i32`) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `y` is assigned to, but never used [INFO] [stdout] --> cheat-sheet.rs:11:13 [INFO] [stdout] | [INFO] [stdout] 11 | let mut y = 2; // A mutable binding: We can change this value [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_y` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `y` is never read [INFO] [stdout] --> cheat-sheet.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | y += 1; // Add 1 to `y`, making it 3 [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> cheat-sheet.rs:70:22 [INFO] [stdout] | [INFO] [stdout] 70 | fn this_consumes(x: String) -> String { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> cheat-sheet.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | fn new(name: &str, age: u16) -> Person { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.71s [INFO] running `Command { std: "docker" "inspect" "bac23b270128ceb329ec9863ab705676ecbc6760005e75110cdb292a3210b511", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bac23b270128ceb329ec9863ab705676ecbc6760005e75110cdb292a3210b511", kill_on_drop: false }` [INFO] [stdout] bac23b270128ceb329ec9863ab705676ecbc6760005e75110cdb292a3210b511 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] fbfe7ff14d5993b9ae1dfb2b3a78725fd2af80b935458a3ccf2fbae047c4f96b [INFO] running `Command { std: "docker" "start" "-a" "fbfe7ff14d5993b9ae1dfb2b3a78725fd2af80b935458a3ccf2fbae047c4f96b", kill_on_drop: false }` [INFO] [stderr] Compiling rust101 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> cheat-sheet.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let x = 1; // `x` is now `1` (a 32bit integer, `i32`) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `y` is assigned to, but never used [INFO] [stdout] --> cheat-sheet.rs:11:13 [INFO] [stdout] | [INFO] [stdout] 11 | let mut y = 2; // A mutable binding: We can change this value [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_y` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `y` is never read [INFO] [stdout] --> cheat-sheet.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | y += 1; // Add 1 to `y`, making it 3 [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> cheat-sheet.rs:70:22 [INFO] [stdout] | [INFO] [stdout] 70 | fn this_consumes(x: String) -> String { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> cheat-sheet.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | fn new(name: &str, age: u16) -> Person { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.42s [INFO] running `Command { std: "docker" "inspect" "fbfe7ff14d5993b9ae1dfb2b3a78725fd2af80b935458a3ccf2fbae047c4f96b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fbfe7ff14d5993b9ae1dfb2b3a78725fd2af80b935458a3ccf2fbae047c4f96b", kill_on_drop: false }` [INFO] [stdout] fbfe7ff14d5993b9ae1dfb2b3a78725fd2af80b935458a3ccf2fbae047c4f96b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] fc786863eb3194651f56b7842661afe0177d1640515cfaf89ec02da9f5ac40fa [INFO] running `Command { std: "docker" "start" "-a" "fc786863eb3194651f56b7842661afe0177d1640515cfaf89ec02da9f5ac40fa", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: unused variable: `x` [INFO] [stdout] running 0 tests [INFO] [stderr] --> cheat-sheet.rs:10:9 [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] 10 | let x = 1; // `x` is now `1` (a 32bit integer, `i32`) [INFO] [stdout] [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `y` is assigned to, but never used [INFO] [stderr] --> cheat-sheet.rs:11:13 [INFO] [stderr] | [INFO] [stderr] 11 | let mut y = 2; // A mutable binding: We can change this value [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_y` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `y` is never read [INFO] [stderr] --> cheat-sheet.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | y += 1; // Add 1 to `y`, making it 3 [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> cheat-sheet.rs:70:22 [INFO] [stderr] | [INFO] [stderr] 70 | fn this_consumes(x: String) -> String { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> cheat-sheet.rs:33:12 [INFO] [stderr] | [INFO] [stderr] 33 | fn new(name: &str, age: u16) -> Person { [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `rust101` (bin "cheat-sheet" test) generated 5 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/cheat_sheet-452c566bb7ce7d1b) [INFO] running `Command { std: "docker" "inspect" "fc786863eb3194651f56b7842661afe0177d1640515cfaf89ec02da9f5ac40fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fc786863eb3194651f56b7842661afe0177d1640515cfaf89ec02da9f5ac40fa", kill_on_drop: false }` [INFO] [stdout] fc786863eb3194651f56b7842661afe0177d1640515cfaf89ec02da9f5ac40fa