[INFO] updating cached repository https://github.com/WendySanarwanto/rust-tutorial-control-flow
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] adc7c4d7cb18c676f2b9d0c10fbd169616318137
[INFO] testing WendySanarwanto/rust-tutorial-control-flow against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWendySanarwanto%2Frust-tutorial-control-flow" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/WendySanarwanto/rust-tutorial-control-flow on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-14/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 `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stdout] 9e5051245e3c83c63e5b2aa38e0266101cba4855e1b1cdf0f43ccb93caadf762
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "9e5051245e3c83c63e5b2aa38e0266101cba4855e1b1cdf0f43ccb93caadf762"`
[INFO] [stderr]    Compiling control v0.1.0 (/opt/rustwide/workdir)
[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]    |              ^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "9e5051245e3c83c63e5b2aa38e0266101cba4855e1b1cdf0f43ccb93caadf762"`
[INFO] running `"docker" "rm" "-f" "9e5051245e3c83c63e5b2aa38e0266101cba4855e1b1cdf0f43ccb93caadf762"`
[INFO] [stdout] 9e5051245e3c83c63e5b2aa38e0266101cba4855e1b1cdf0f43ccb93caadf762
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ae9ff406458c97184ce5796dc515ab3e43c3594fccabe1b2c453421f5f040d9c
[INFO] running `"docker" "start" "-a" "ae9ff406458c97184ce5796dc515ab3e43c3594fccabe1b2c453421f5f040d9c"`
[INFO] [stderr]    Compiling control v0.1.0 (/opt/rustwide/workdir)
[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]    |              ^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "ae9ff406458c97184ce5796dc515ab3e43c3594fccabe1b2c453421f5f040d9c"`
[INFO] running `"docker" "rm" "-f" "ae9ff406458c97184ce5796dc515ab3e43c3594fccabe1b2c453421f5f040d9c"`
[INFO] [stdout] ae9ff406458c97184ce5796dc515ab3e43c3594fccabe1b2c453421f5f040d9c
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a1034ead9110e9f833d3ee6e4e33a26a54dee7ac9e38c8e537387ab2e10a2d59
[INFO] running `"docker" "start" "-a" "a1034ead9110e9f833d3ee6e4e33a26a54dee7ac9e38c8e537387ab2e10a2d59"`
[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]    |              ^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/control-71e4099e0b041125
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "a1034ead9110e9f833d3ee6e4e33a26a54dee7ac9e38c8e537387ab2e10a2d59"`
[INFO] running `"docker" "rm" "-f" "a1034ead9110e9f833d3ee6e4e33a26a54dee7ac9e38c8e537387ab2e10a2d59"`
[INFO] [stdout] a1034ead9110e9f833d3ee6e4e33a26a54dee7ac9e38c8e537387ab2e10a2d59