[INFO] cloning repository https://github.com/beyran11/MFTRust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/beyran11/MFTRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeyran11%2FMFTRust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeyran11%2FMFTRust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3b738afe0fbad5cd520cadeb04c9712c3d6cbae7 [INFO] testing beyran11/MFTRust 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%2Fbeyran11%2FMFTRust" "/workspace/builds/worker-107/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-107/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/beyran11/MFTRust 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/beyran11/MFTRust [INFO] finished tweaking git repo https://github.com/beyran11/MFTRust [INFO] tweaked toml for git repo https://github.com/beyran11/MFTRust written to /workspace/builds/worker-107/source/Cargo.toml [INFO] crate git repo https://github.com/beyran11/MFTRust 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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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] c147be8c105516bb8aeed2b21386f774e407bc03d405c89167dc2f4fa6ce2ae1 [INFO] running `Command { std: "docker" "start" "-a" "c147be8c105516bb8aeed2b21386f774e407bc03d405c89167dc2f4fa6ce2ae1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c147be8c105516bb8aeed2b21386f774e407bc03d405c89167dc2f4fa6ce2ae1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c147be8c105516bb8aeed2b21386f774e407bc03d405c89167dc2f4fa6ce2ae1", kill_on_drop: false }` [INFO] [stdout] c147be8c105516bb8aeed2b21386f774e407bc03d405c89167dc2f4fa6ce2ae1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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] fa5618fa694ba3e9963fc5a28a3b105513b54aa2d46c5810e61b76789a565c68 [INFO] running `Command { std: "docker" "start" "-a" "fa5618fa694ba3e9963fc5a28a3b105513b54aa2d46c5810e61b76789a565c68", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.53 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling MFTRust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `sum` [INFO] [stdout] --> src/main.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | let sum = 5 + 10; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sum` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `difference` [INFO] [stdout] --> src/main.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let difference = 95.5 - 4.3; [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_difference` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `product` [INFO] [stdout] --> src/main.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let product = 4 * 30; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_product` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tup` [INFO] [stdout] --> src/main.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let tup: (i32, f64, u8) = (500, 6.4, 1) ; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_tup` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `first` [INFO] [stdout] --> src/main.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | 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/main.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | 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: `months` [INFO] [stdout] --> src/main.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | let months = ["January", "February", "March", "April", "May", "June", "July", [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_months` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `MFTRust` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `mftrust` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 47s [INFO] running `Command { std: "docker" "inspect" "fa5618fa694ba3e9963fc5a28a3b105513b54aa2d46c5810e61b76789a565c68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa5618fa694ba3e9963fc5a28a3b105513b54aa2d46c5810e61b76789a565c68", kill_on_drop: false }` [INFO] [stdout] fa5618fa694ba3e9963fc5a28a3b105513b54aa2d46c5810e61b76789a565c68 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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] 4d860060136b0f647353db2825742c33284b18c87e454c8832473ee54e10a205 [INFO] running `Command { std: "docker" "start" "-a" "4d860060136b0f647353db2825742c33284b18c87e454c8832473ee54e10a205", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling MFTRust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `sum` [INFO] [stdout] --> src/main.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | let sum = 5 + 10; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sum` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `difference` [INFO] [stdout] --> src/main.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let difference = 95.5 - 4.3; [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_difference` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `product` [INFO] [stdout] --> src/main.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let product = 4 * 30; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_product` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tup` [INFO] [stdout] --> src/main.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let tup: (i32, f64, u8) = (500, 6.4, 1) ; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_tup` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `first` [INFO] [stdout] --> src/main.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | 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/main.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | 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: `months` [INFO] [stdout] --> src/main.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | let months = ["January", "February", "March", "April", "May", "June", "July", [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_months` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `MFTRust` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `mftrust` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.95s [INFO] running `Command { std: "docker" "inspect" "4d860060136b0f647353db2825742c33284b18c87e454c8832473ee54e10a205", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d860060136b0f647353db2825742c33284b18c87e454c8832473ee54e10a205", kill_on_drop: false }` [INFO] [stdout] 4d860060136b0f647353db2825742c33284b18c87e454c8832473ee54e10a205 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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] 5282954bdc51ec61ffb77878849c78140e7375a65782b6dee0e3a8c5d27eb57f [INFO] running `Command { std: "docker" "start" "-a" "5282954bdc51ec61ffb77878849c78140e7375a65782b6dee0e3a8c5d27eb57f", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `sum` [INFO] [stderr] --> src/main.rs:3:9 [INFO] [stderr] | [INFO] [stderr] 3 | let sum = 5 + 10; [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_sum` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `difference` [INFO] [stderr] --> src/main.rs:6:9 [INFO] [stderr] | [INFO] [stderr] 6 | let difference = 95.5 - 4.3; [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_difference` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `product` [INFO] [stderr] --> src/main.rs:9:9 [INFO] [stderr] | [INFO] [stderr] 9 | let product = 4 * 30; [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_product` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `tup` [INFO] [stderr] --> src/main.rs:16:9 [INFO] [stderr] | [INFO] [stderr] 16 | let tup: (i32, f64, u8) = (500, 6.4, 1) ; [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_tup` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `first` [INFO] [stderr] --> src/main.rs:21:9 [INFO] [stderr] | [INFO] [stderr] 21 | let first = a[0]; [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_first` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `second` [INFO] [stderr] --> src/main.rs:22:9 [INFO] [stderr] | [INFO] [stderr] 22 | let second = a[1]; [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_second` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `months` [INFO] [stderr] --> src/main.rs:24:9 [INFO] [stderr] | [INFO] [stderr] 24 | let months = ["January", "February", "March", "April", "May", "June", "July", [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_months` [INFO] [stderr] [INFO] [stderr] warning: crate `MFTRust` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] = help: convert the identifier to snake case: `mftrust` [INFO] [stderr] [INFO] [stderr] warning: `MFTRust` (bin "MFTRust" test) generated 8 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/MFTRust-5e728e633a5fb5e2) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "5282954bdc51ec61ffb77878849c78140e7375a65782b6dee0e3a8c5d27eb57f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5282954bdc51ec61ffb77878849c78140e7375a65782b6dee0e3a8c5d27eb57f", kill_on_drop: false }` [INFO] [stdout] 5282954bdc51ec61ffb77878849c78140e7375a65782b6dee0e3a8c5d27eb57f