[INFO] updating cached repository https://github.com/Eson-Jia/rust-play-ground [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] 00e6492cae6cc71f1a2941facb2865401810ebec [INFO] checking Eson-Jia/rust-play-ground against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEson-Jia%2Frust-play-ground" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Eson-Jia/rust-play-ground on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Eson-Jia/rust-play-ground [INFO] finished tweaking git repo https://github.com/Eson-Jia/rust-play-ground [INFO] tweaked toml for git repo https://github.com/Eson-Jia/rust-play-ground written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/Eson-Jia/rust-play-ground already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 04f85ee7de70a7a4d428afd28183cf5b485bad636dad6da4c93019c3d4a0bd8d [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" "04f85ee7de70a7a4d428afd28183cf5b485bad636dad6da4c93019c3d4a0bd8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "04f85ee7de70a7a4d428afd28183cf5b485bad636dad6da4c93019c3d4a0bd8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04f85ee7de70a7a4d428afd28183cf5b485bad636dad6da4c93019c3d4a0bd8d", kill_on_drop: false }` [INFO] [stdout] 04f85ee7de70a7a4d428afd28183cf5b485bad636dad6da4c93019c3d4a0bd8d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--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] 25e5c23c76727bc518c544ebcf37016a3fc1bac188d144a0ff9c56b88296383c [INFO] running `Command { std: "docker" "start" "-a" "25e5c23c76727bc518c544ebcf37016a3fc1bac188d144a0ff9c56b88296383c", kill_on_drop: false }` [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking play-ground v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/bin/data_type.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let c = 'a'; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `five_hundred` [INFO] [stdout] --> src/bin/data_type.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let five_hundred = tup.0; [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_five_hundred` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `six_point_four` [INFO] [stdout] --> src/bin/data_type.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let six_point_four = tup.1; [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_six_point_four` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `one` [INFO] [stdout] --> src/bin/data_type.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let one = tup.2; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_one` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/bin/data_type.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let a =[1,2,3,4,5]; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/bin/data_type.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | let a:[i32;5]= [1,2,3,4,5]; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `first` [INFO] [stdout] --> src/bin/data_type.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let first = a[0]; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_first` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `second` [INFO] [stdout] --> src/bin/data_type.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | let second = a[1]; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_second` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a2` [INFO] [stdout] --> src/bin/data_type.rs:30:15 [INFO] [stdout] | [INFO] [stdout] 30 | let[a0,a1,a2,a3,a4] = a; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_a2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a3` [INFO] [stdout] --> src/bin/data_type.rs:30:18 [INFO] [stdout] | [INFO] [stdout] 30 | let[a0,a1,a2,a3,a4] = a; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_a3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a4` [INFO] [stdout] --> src/bin/data_type.rs:30:21 [INFO] [stdout] | [INFO] [stdout] 30 | let[a0,a1,a2,a3,a4] = a; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_a4` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/bin/data_type.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let c = 'a'; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `five_hundred` [INFO] [stdout] --> src/bin/data_type.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let five_hundred = tup.0; [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_five_hundred` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `six_point_four` [INFO] [stdout] --> src/bin/data_type.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let six_point_four = tup.1; [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_six_point_four` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `one` [INFO] [stdout] --> src/bin/data_type.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let one = tup.2; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_one` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/bin/data_type.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let a =[1,2,3,4,5]; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/bin/data_type.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | let a:[i32;5]= [1,2,3,4,5]; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `first` [INFO] [stdout] --> src/bin/data_type.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let first = a[0]; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_first` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `second` [INFO] [stdout] --> src/bin/data_type.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | let second = a[1]; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_second` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a2` [INFO] [stdout] --> src/bin/data_type.rs:30:15 [INFO] [stdout] | [INFO] [stdout] 30 | let[a0,a1,a2,a3,a4] = a; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_a2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a3` [INFO] [stdout] --> src/bin/data_type.rs:30:18 [INFO] [stdout] | [INFO] [stdout] 30 | let[a0,a1,a2,a3,a4] = a; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_a3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a4` [INFO] [stdout] --> src/bin/data_type.rs:30:21 [INFO] [stdout] | [INFO] [stdout] 30 | let[a0,a1,a2,a3,a4] = a; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_a4` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.22s [INFO] running `Command { std: "docker" "inspect" "25e5c23c76727bc518c544ebcf37016a3fc1bac188d144a0ff9c56b88296383c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25e5c23c76727bc518c544ebcf37016a3fc1bac188d144a0ff9c56b88296383c", kill_on_drop: false }` [INFO] [stdout] 25e5c23c76727bc518c544ebcf37016a3fc1bac188d144a0ff9c56b88296383c