[INFO] cloning repository https://github.com/iresharma/Rust-Basics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iresharma/Rust-Basics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Firesharma%2FRust-Basics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Firesharma%2FRust-Basics'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fb4fe91035bb6b1e3501727aa1342a002722d737
[INFO] testing iresharma/Rust-Basics against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Firesharma%2FRust-Basics" "/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/iresharma/Rust-Basics on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iresharma/Rust-Basics
[INFO] finished tweaking git repo https://github.com/iresharma/Rust-Basics
[INFO] tweaked toml for git repo https://github.com/iresharma/Rust-Basics written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/iresharma/Rust-Basics already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3107e2c2378fe5e4a5030119da995d36f8ad251fcf6ed0c6e6e45df78d9aec66
[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" "3107e2c2378fe5e4a5030119da995d36f8ad251fcf6ed0c6e6e45df78d9aec66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3107e2c2378fe5e4a5030119da995d36f8ad251fcf6ed0c6e6e45df78d9aec66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3107e2c2378fe5e4a5030119da995d36f8ad251fcf6ed0c6e6e45df78d9aec66", kill_on_drop: false }`
[INFO] [stdout] 3107e2c2378fe5e4a5030119da995d36f8ad251fcf6ed0c6e6e45df78d9aec66
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbfc1f8dde64b0853b2738349d7ab7b4f9205bafe10878be8e1dd5d2ce702516
[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" "cbfc1f8dde64b0853b2738349d7ab7b4f9205bafe10878be8e1dd5d2ce702516", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Left`
[INFO] [stdout]  --> src/enums.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     Left,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Up`
[INFO] [stdout]  --> src/enums.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Up,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Dowm`
[INFO] [stdout]  --> src/enums.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Dowm
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Vote` should have a snake case name
[INFO] [stdout]   --> src/conditionals.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let Vote: &str = if age > 18 { "Yes you can vote" } else { "Sorry you can't vote" };
[INFO] [stdout]    |         ^^^^ help: convert the identifier to snake case (notice the capitalization): `vote`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "cbfc1f8dde64b0853b2738349d7ab7b4f9205bafe10878be8e1dd5d2ce702516", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbfc1f8dde64b0853b2738349d7ab7b4f9205bafe10878be8e1dd5d2ce702516", kill_on_drop: false }`
[INFO] [stdout] cbfc1f8dde64b0853b2738349d7ab7b4f9205bafe10878be8e1dd5d2ce702516
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--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] 24646a8f1c3030d567b6ebf86571a0b207ec4cc2dc8ad422c2bdce7a0654415e
[INFO] running `Command { std: "docker" "start" "-a" "24646a8f1c3030d567b6ebf86571a0b207ec4cc2dc8ad422c2bdce7a0654415e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Left`
[INFO] [stdout]  --> src/enums.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     Left,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Up`
[INFO] [stdout]  --> src/enums.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Up,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Dowm`
[INFO] [stdout]  --> src/enums.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Dowm
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Vote` should have a snake case name
[INFO] [stdout]   --> src/conditionals.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let Vote: &str = if age > 18 { "Yes you can vote" } else { "Sorry you can't vote" };
[INFO] [stdout]    |         ^^^^ help: convert the identifier to snake case (notice the capitalization): `vote`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "24646a8f1c3030d567b6ebf86571a0b207ec4cc2dc8ad422c2bdce7a0654415e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24646a8f1c3030d567b6ebf86571a0b207ec4cc2dc8ad422c2bdce7a0654415e", kill_on_drop: false }`
[INFO] [stdout] 24646a8f1c3030d567b6ebf86571a0b207ec4cc2dc8ad422c2bdce7a0654415e
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1a710e00e333df439e94b3266761d5e06cc5e82d72f4ebf330fcd5f01742db4f
[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" "1a710e00e333df439e94b3266761d5e06cc5e82d72f4ebf330fcd5f01742db4f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: variant is never constructed: `Left`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/enums.rs:2:5
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 2 |     Left,
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Up`
[INFO] [stderr]  --> src/enums.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Up,
[INFO] [stderr]   |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Dowm`
[INFO] [stderr]  --> src/enums.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Dowm
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Vote` should have a snake case name
[INFO] [stderr]   --> src/conditionals.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let Vote: &str = if age > 18 { "Yes you can vote" } else { "Sorry you can't vote" };
[INFO] [stderr]    |         ^^^^ help: convert the identifier to snake case (notice the capitalization): `vote`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust-dd87faad9cf8b917
[INFO] running `Command { std: "docker" "inspect" "1a710e00e333df439e94b3266761d5e06cc5e82d72f4ebf330fcd5f01742db4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a710e00e333df439e94b3266761d5e06cc5e82d72f4ebf330fcd5f01742db4f", kill_on_drop: false }`
[INFO] [stdout] 1a710e00e333df439e94b3266761d5e06cc5e82d72f4ebf330fcd5f01742db4f