[INFO] cloning repository https://github.com/chmod77/200-days-of-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chmod77/200-days-of-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchmod77%2F200-days-of-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchmod77%2F200-days-of-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c4aae8219d45b124a3df1de12f4a0925041f9f26
[INFO] testing chmod77/200-days-of-rust against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchmod77%2F200-days-of-rust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chmod77/200-days-of-rust 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/chmod77/200-days-of-rust
[INFO] finished tweaking git repo https://github.com/chmod77/200-days-of-rust
[INFO] tweaked toml for git repo https://github.com/chmod77/200-days-of-rust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/chmod77/200-days-of-rust 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 2782c073d5550ea3f42c68b348eeadf9603808a3b38a488febc2d3120efa7f38
[INFO] running `Command { std: "docker" "start" "-a" "2782c073d5550ea3f42c68b348eeadf9603808a3b38a488febc2d3120efa7f38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2782c073d5550ea3f42c68b348eeadf9603808a3b38a488febc2d3120efa7f38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2782c073d5550ea3f42c68b348eeadf9603808a3b38a488febc2d3120efa7f38", kill_on_drop: false }`
[INFO] [stdout] 2782c073d5550ea3f42c68b348eeadf9603808a3b38a488febc2d3120efa7f38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] d46e151f6bca6f0662906b3dd8472b1ae6e1acc54eaa110355763a97873ff471
[INFO] running `Command { std: "docker" "start" "-a" "d46e151f6bca6f0662906b3dd8472b1ae6e1acc54eaa110355763a97873ff471", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/complexes/array.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let a = [1,2,3,4];
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/functions/params.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let y = 6;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/complexes/tuple.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `explore`
[INFO] [stdout]   --> src/functions/params.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn explore(){
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "d46e151f6bca6f0662906b3dd8472b1ae6e1acc54eaa110355763a97873ff471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d46e151f6bca6f0662906b3dd8472b1ae6e1acc54eaa110355763a97873ff471", kill_on_drop: false }`
[INFO] [stdout] d46e151f6bca6f0662906b3dd8472b1ae6e1acc54eaa110355763a97873ff471
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] e81f37e696c9adcf0ff90f67cb48061b04b8ae048adf5b3f20e3ffbba6906c7c
[INFO] running `Command { std: "docker" "start" "-a" "e81f37e696c9adcf0ff90f67cb48061b04b8ae048adf5b3f20e3ffbba6906c7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/complexes/array.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let a = [1,2,3,4];
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/functions/params.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let y = 6;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/complexes/tuple.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `explore`
[INFO] [stdout]   --> src/functions/params.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn explore(){
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "e81f37e696c9adcf0ff90f67cb48061b04b8ae048adf5b3f20e3ffbba6906c7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e81f37e696c9adcf0ff90f67cb48061b04b8ae048adf5b3f20e3ffbba6906c7c", kill_on_drop: false }`
[INFO] [stdout] e81f37e696c9adcf0ff90f67cb48061b04b8ae048adf5b3f20e3ffbba6906c7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 55d8df4bd1cb6a78a6bdc08a39b08e0fb6ee09f93a280e3f99762f7a9dd5e460
[INFO] running `Command { std: "docker" "start" "-a" "55d8df4bd1cb6a78a6bdc08a39b08e0fb6ee09f93a280e3f99762f7a9dd5e460", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/complexes/array.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let a = [1,2,3,4];
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]   --> src/functions/params.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let y = 6;
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/complexes/tuple.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub fn run() {
[INFO] [stderr]    |        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `explore`
[INFO] [stderr]   --> src/functions/params.rs:35:8
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub fn explore(){
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rs` (bin "rs" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rs-2709190e9884946c)
[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" "55d8df4bd1cb6a78a6bdc08a39b08e0fb6ee09f93a280e3f99762f7a9dd5e460", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55d8df4bd1cb6a78a6bdc08a39b08e0fb6ee09f93a280e3f99762f7a9dd5e460", kill_on_drop: false }`
[INFO] [stdout] 55d8df4bd1cb6a78a6bdc08a39b08e0fb6ee09f93a280e3f99762f7a9dd5e460