[INFO] cloning repository https://github.com/isaias-dgr/rust_esta_chido
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/isaias-dgr/rust_esta_chido" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisaias-dgr%2Frust_esta_chido", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisaias-dgr%2Frust_esta_chido'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a561177192ca78ae0c493d0c0572892c5539fa2b
[INFO] testing isaias-dgr/rust_esta_chido against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisaias-dgr%2Frust_esta_chido" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/isaias-dgr/rust_esta_chido on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/isaias-dgr/rust_esta_chido
[INFO] finished tweaking git repo https://github.com/isaias-dgr/rust_esta_chido
[INFO] tweaked toml for git repo https://github.com/isaias-dgr/rust_esta_chido written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/isaias-dgr/rust_esta_chido already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b94ac7ed28424f8de5bd0ea063ff52388923c39dd5fc6c9e567dfbdfeac0826
[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" "9b94ac7ed28424f8de5bd0ea063ff52388923c39dd5fc6c9e567dfbdfeac0826", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b94ac7ed28424f8de5bd0ea063ff52388923c39dd5fc6c9e567dfbdfeac0826", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b94ac7ed28424f8de5bd0ea063ff52388923c39dd5fc6c9e567dfbdfeac0826", kill_on_drop: false }`
[INFO] [stdout] 9b94ac7ed28424f8de5bd0ea063ff52388923c39dd5fc6c9e567dfbdfeac0826
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ffa3f96082a3f5abf6202a6eebd0a3901862528fcb0306160e3b2ad133d08c2
[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" "3ffa3f96082a3f5abf6202a6eebd0a3901862528fcb0306160e3b2ad133d08c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_esta_chido v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> src/fundamental_types.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let num = 3.0;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> src/fundamental_types.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let num = 2.3323_f32;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> src/fundamental_types.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let num: f32 = 3.4;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> src/fundamental_types.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let num: f64 = 23.3223234234;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> src/fundamental_types.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let num = 1;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> src/fundamental_types.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let num: u8 = 2;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comp`
[INFO] [stdout]   --> src/fundamental_types.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let comp = num1 == num2 as u8;
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_comp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `greeting`
[INFO] [stdout]   --> src/main.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn greeting() {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `greeting_name`
[INFO] [stdout]   --> src/main.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn greeting_name(name: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_greeting_name`
[INFO] [stdout]   --> src/main.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn get_greeting_name(name: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `Command { std: "docker" "inspect" "3ffa3f96082a3f5abf6202a6eebd0a3901862528fcb0306160e3b2ad133d08c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ffa3f96082a3f5abf6202a6eebd0a3901862528fcb0306160e3b2ad133d08c2", kill_on_drop: false }`
[INFO] [stdout] 3ffa3f96082a3f5abf6202a6eebd0a3901862528fcb0306160e3b2ad133d08c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "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] 94780449b3ee5dd102f3391e0391257d0e46d3788b3cd47eaec1bd9a17b144bf
[INFO] running `Command { std: "docker" "start" "-a" "94780449b3ee5dd102f3391e0391257d0e46d3788b3cd47eaec1bd9a17b144bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_esta_chido v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> src/fundamental_types.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let num = 3.0;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> src/fundamental_types.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let num = 2.3323_f32;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> src/fundamental_types.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let num: f32 = 3.4;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> src/fundamental_types.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let num: f64 = 23.3223234234;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> src/fundamental_types.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let num = 1;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> src/fundamental_types.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let num: u8 = 2;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comp`
[INFO] [stdout]   --> src/fundamental_types.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let comp = num1 == num2 as u8;
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_comp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `greeting`
[INFO] [stdout]   --> src/main.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn greeting() {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `greeting_name`
[INFO] [stdout]   --> src/main.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn greeting_name(name: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_greeting_name`
[INFO] [stdout]   --> src/main.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn get_greeting_name(name: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "94780449b3ee5dd102f3391e0391257d0e46d3788b3cd47eaec1bd9a17b144bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94780449b3ee5dd102f3391e0391257d0e46d3788b3cd47eaec1bd9a17b144bf", kill_on_drop: false }`
[INFO] [stdout] 94780449b3ee5dd102f3391e0391257d0e46d3788b3cd47eaec1bd9a17b144bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 45de5e0e04b0bd4ce9cca634b904bb42c0e841b3384490ada303a18c2eddb3cd
[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" "45de5e0e04b0bd4ce9cca634b904bb42c0e841b3384490ada303a18c2eddb3cd", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `num`
[INFO] [stderr]   --> src/fundamental_types.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let num = 3.0;
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num`
[INFO] [stderr]   --> src/fundamental_types.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let num = 2.3323_f32;
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num`
[INFO] [stderr]   --> src/fundamental_types.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let num: f32 = 3.4;
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num`
[INFO] [stderr]   --> src/fundamental_types.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let num: f64 = 23.3223234234;
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num`
[INFO] [stderr]   --> src/fundamental_types.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let num = 1;
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num`
[INFO] [stderr]   --> src/fundamental_types.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let num: u8 = 2;
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `comp`
[INFO] [stderr]   --> src/fundamental_types.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let comp = num1 == num2 as u8;
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_comp`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `greeting`
[INFO] [stderr]   --> src/main.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn greeting() {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `greeting_name`
[INFO] [stderr]   --> src/main.rs:21:4
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn greeting_name(name: &str) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_greeting_name`
[INFO] [stderr]   --> src/main.rs:25:4
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn get_greeting_name(name: &str) -> String {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_esta_chido` (bin "rust_esta_chido" test) generated 10 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_esta_chido-c80a7555ec4cfdd3)
[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" "45de5e0e04b0bd4ce9cca634b904bb42c0e841b3384490ada303a18c2eddb3cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45de5e0e04b0bd4ce9cca634b904bb42c0e841b3384490ada303a18c2eddb3cd", kill_on_drop: false }`
[INFO] [stdout] 45de5e0e04b0bd4ce9cca634b904bb42c0e841b3384490ada303a18c2eddb3cd