[INFO] updating cached repository https://github.com/HackSoul/rust-startup [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5d947e8f205ffae883ac4969e8d8a66a65434241 [INFO] testing HackSoul/rust-startup against beta-2020-07-24 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHackSoul%2Frust-startup" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/HackSoul/rust-startup on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/HackSoul/rust-startup [INFO] finished tweaking git repo https://github.com/HackSoul/rust-startup [INFO] tweaked toml for git repo https://github.com/HackSoul/rust-startup written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/HackSoul/rust-startup already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 18a3438df6fe934b5a5fa18b07b88a26a3f2f9dbeb54381a86680371665de732 [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" "18a3438df6fe934b5a5fa18b07b88a26a3f2f9dbeb54381a86680371665de732", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "18a3438df6fe934b5a5fa18b07b88a26a3f2f9dbeb54381a86680371665de732", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "18a3438df6fe934b5a5fa18b07b88a26a3f2f9dbeb54381a86680371665de732", kill_on_drop: false }` [INFO] [stdout] 18a3438df6fe934b5a5fa18b07b88a26a3f2f9dbeb54381a86680371665de732 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b7c7672825515f8b17952c3b80d0f271d003f98ab73eff6b8567a9fe3a529892 [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" "b7c7672825515f8b17952c3b80d0f271d003f98ab73eff6b8567a9fe3a529892", kill_on_drop: false }` [INFO] [stderr] Compiling rust-the-book v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `spaces` [INFO] [stdout] --> src/main.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let spaces = spaces.len(); //重新使用let可以与上面不同类型 [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_spaces` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let x = 12; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/main.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | let result =my_func(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | let x = 10; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.74s [INFO] running `Command { std: "docker" "inspect" "b7c7672825515f8b17952c3b80d0f271d003f98ab73eff6b8567a9fe3a529892", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b7c7672825515f8b17952c3b80d0f271d003f98ab73eff6b8567a9fe3a529892", kill_on_drop: false }` [INFO] [stdout] b7c7672825515f8b17952c3b80d0f271d003f98ab73eff6b8567a9fe3a529892 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f02acc678a56d117c7875900a14b2ead518cb394508c62badeeb66c66799bd4e [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" "f02acc678a56d117c7875900a14b2ead518cb394508c62badeeb66c66799bd4e", kill_on_drop: false }` [INFO] [stderr] Compiling rust-the-book v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `spaces` [INFO] [stdout] --> src/main.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let spaces = spaces.len(); //重新使用let可以与上面不同类型 [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_spaces` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let x = 12; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/main.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | let result =my_func(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | let x = 10; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.65s [INFO] running `Command { std: "docker" "inspect" "f02acc678a56d117c7875900a14b2ead518cb394508c62badeeb66c66799bd4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f02acc678a56d117c7875900a14b2ead518cb394508c62badeeb66c66799bd4e", kill_on_drop: false }` [INFO] [stdout] f02acc678a56d117c7875900a14b2ead518cb394508c62badeeb66c66799bd4e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7e17b19eb855f75a0176dd78eacf6bfe8938691b463d9c2246ca79372f11ae26 [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" "7e17b19eb855f75a0176dd78eacf6bfe8938691b463d9c2246ca79372f11ae26", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: unused variable: `spaces` [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/main.rs:16:9 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stderr] 16 | let spaces = spaces.len(); //重新使用let可以与上面不同类型 [INFO] [stdout] [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_spaces` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/main.rs:18:9 [INFO] [stderr] | [INFO] [stderr] 18 | let x = 12; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `result` [INFO] [stderr] --> src/main.rs:34:9 [INFO] [stderr] | [INFO] [stderr] 34 | let result =my_func(); [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/main.rs:35:9 [INFO] [stderr] | [INFO] [stderr] 35 | let x = 10; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rust_the_book-a318581c4b5c0edd [INFO] running `Command { std: "docker" "inspect" "7e17b19eb855f75a0176dd78eacf6bfe8938691b463d9c2246ca79372f11ae26", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e17b19eb855f75a0176dd78eacf6bfe8938691b463d9c2246ca79372f11ae26", kill_on_drop: false }` [INFO] [stdout] 7e17b19eb855f75a0176dd78eacf6bfe8938691b463d9c2246ca79372f11ae26