[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 beta-2022-02-22 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-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/WendySanarwanto/rust-tutorial-control-flow on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-12/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" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2022-02-22" "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] 3b61704361df32fdafed6821a52470456febc401d3efbb850e93104a63ffaa5a
[INFO] running `Command { std: "docker" "start" "-a" "3b61704361df32fdafed6821a52470456febc401d3efbb850e93104a63ffaa5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b61704361df32fdafed6821a52470456febc401d3efbb850e93104a63ffaa5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b61704361df32fdafed6821a52470456febc401d3efbb850e93104a63ffaa5a", kill_on_drop: false }`
[INFO] [stdout] 3b61704361df32fdafed6821a52470456febc401d3efbb850e93104a63ffaa5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2022-02-22" "build" "--frozen" "--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] 88e5211ba7df901f2e238c53f634ec665c0330ff41aa0bfe246b0f952ca00a48
[INFO] running `Command { std: "docker" "start" "-a" "88e5211ba7df901f2e238c53f634ec665c0330ff41aa0bfe246b0f952ca00a48", 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 0.64s
[INFO] running `Command { std: "docker" "inspect" "88e5211ba7df901f2e238c53f634ec665c0330ff41aa0bfe246b0f952ca00a48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88e5211ba7df901f2e238c53f634ec665c0330ff41aa0bfe246b0f952ca00a48", kill_on_drop: false }`
[INFO] [stdout] 88e5211ba7df901f2e238c53f634ec665c0330ff41aa0bfe246b0f952ca00a48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2022-02-22" "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] a92dbe478547648490655801737d1834e0fb157383e519c4468fc663d54a5db3
[INFO] running `Command { std: "docker" "start" "-a" "a92dbe478547648490655801737d1834e0fb157383e519c4468fc663d54a5db3", 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 0.63s
[INFO] running `Command { std: "docker" "inspect" "a92dbe478547648490655801737d1834e0fb157383e519c4468fc663d54a5db3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a92dbe478547648490655801737d1834e0fb157383e519c4468fc663d54a5db3", kill_on_drop: false }`
[INFO] [stdout] a92dbe478547648490655801737d1834e0fb157383e519c4468fc663d54a5db3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 746fe77931334de59cd9ed9f90d290ca7f3e191ab621b1c9d0f2e26ccfaabc72
[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" "746fe77931334de59cd9ed9f90d290ca7f3e191ab621b1c9d0f2e26ccfaabc72", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary braces around `for` iterator expression
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:78:14
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 78 |     for i in {0..array_nums.len()} {
[INFO] [stdout] 
[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 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/control-0ab672f644189d71)
[INFO] running `Command { std: "docker" "inspect" "746fe77931334de59cd9ed9f90d290ca7f3e191ab621b1c9d0f2e26ccfaabc72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "746fe77931334de59cd9ed9f90d290ca7f3e191ab621b1c9d0f2e26ccfaabc72", kill_on_drop: false }`
[INFO] [stdout] 746fe77931334de59cd9ed9f90d290ca7f3e191ab621b1c9d0f2e26ccfaabc72