[INFO] cloning repository https://github.com/WendySanarwanto/rust-tutorial-control-flow
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/WendySanarwanto/rust-tutorial-control-flow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWendySanarwanto%2Frust-tutorial-control-flow", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWendySanarwanto%2Frust-tutorial-control-flow'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] adc7c4d7cb18c676f2b9d0c10fbd169616318137
[INFO] testing WendySanarwanto/rust-tutorial-control-flow against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWendySanarwanto%2Frust-tutorial-control-flow" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/WendySanarwanto/rust-tutorial-control-flow 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/WendySanarwanto/rust-tutorial-control-flow
[INFO] finished tweaking git repo https://github.com/WendySanarwanto/rust-tutorial-control-flow
[INFO] tweaked toml for git repo https://github.com/WendySanarwanto/rust-tutorial-control-flow written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/WendySanarwanto/rust-tutorial-control-flow 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2062227ac97aad859cc2683ef78e283483ef9b11d2038f3b1112c9b3b3c7ce99
[INFO] running `Command { std: "docker" "start" "-a" "2062227ac97aad859cc2683ef78e283483ef9b11d2038f3b1112c9b3b3c7ce99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2062227ac97aad859cc2683ef78e283483ef9b11d2038f3b1112c9b3b3c7ce99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2062227ac97aad859cc2683ef78e283483ef9b11d2038f3b1112c9b3b3c7ce99", kill_on_drop: false }`
[INFO] [stdout] 2062227ac97aad859cc2683ef78e283483ef9b11d2038f3b1112c9b3b3c7ce99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 78121fdd30939b7454db86218794812c4c70595d1170e022baf8ea63d26e8942
[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" "78121fdd30939b7454db86218794812c4c70595d1170e022baf8ea63d26e8942", kill_on_drop: false }`
[INFO] [stderr]    Compiling control v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around `for` iterator expression
[INFO] [stdout]   --> src/main.rs:78:14
[INFO] [stdout]    |
[INFO] [stdout] 78 |     for i in {0..array_nums.len()} {
[INFO] [stdout]    |              ^                   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 78 -     for i in {0..array_nums.len()} {
[INFO] [stdout] 78 +     for i in 0..array_nums.len() {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "78121fdd30939b7454db86218794812c4c70595d1170e022baf8ea63d26e8942", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78121fdd30939b7454db86218794812c4c70595d1170e022baf8ea63d26e8942", kill_on_drop: false }`
[INFO] [stdout] 78121fdd30939b7454db86218794812c4c70595d1170e022baf8ea63d26e8942
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 5889d860398d5b8aa79006fa37f8eff9b8c1f23cbde3cd04900b9b0861be57dd
[INFO] running `Command { std: "docker" "start" "-a" "5889d860398d5b8aa79006fa37f8eff9b8c1f23cbde3cd04900b9b0861be57dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling control v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around `for` iterator expression
[INFO] [stdout]   --> src/main.rs:78:14
[INFO] [stdout]    |
[INFO] [stdout] 78 |     for i in {0..array_nums.len()} {
[INFO] [stdout]    |              ^                   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 78 -     for i in {0..array_nums.len()} {
[INFO] [stdout] 78 +     for i in 0..array_nums.len() {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "5889d860398d5b8aa79006fa37f8eff9b8c1f23cbde3cd04900b9b0861be57dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5889d860398d5b8aa79006fa37f8eff9b8c1f23cbde3cd04900b9b0861be57dd", kill_on_drop: false }`
[INFO] [stdout] 5889d860398d5b8aa79006fa37f8eff9b8c1f23cbde3cd04900b9b0861be57dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 030fb86a852c4a75dd4bde65325150868d8760b816ecf5764b4ddaefe0afe3d7
[INFO] running `Command { std: "docker" "start" "-a" "030fb86a852c4a75dd4bde65325150868d8760b816ecf5764b4ddaefe0afe3d7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unnecessary braces around `for` iterator expression
[INFO] [stderr]   --> src/main.rs:78:14
[INFO] [stderr]    |
[INFO] [stderr] 78 |     for i in {0..array_nums.len()} {
[INFO] [stderr]    |              ^                   ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 78 -     for i in {0..array_nums.len()} {
[INFO] [stderr] 78 +     for i in 0..array_nums.len() {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `control` (bin "control" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/control-55bb040cf3e2fd4c)
[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" "030fb86a852c4a75dd4bde65325150868d8760b816ecf5764b4ddaefe0afe3d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "030fb86a852c4a75dd4bde65325150868d8760b816ecf5764b4ddaefe0afe3d7", kill_on_drop: false }`
[INFO] [stdout] 030fb86a852c4a75dd4bde65325150868d8760b816ecf5764b4ddaefe0afe3d7