[INFO] cloning repository https://github.com/mrguilt/rust-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/mrguilt/rust-control-flow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrguilt%2Frust-control-flow", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrguilt%2Frust-control-flow'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6548c13f1426acc4c96be626c8d2f431be302c6d
[INFO] checking mrguilt/rust-control-flow against try#c8085cfed34c45021fc8f66d073f6394b3e35431 for pr-148939
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrguilt%2Frust-control-flow" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mrguilt/rust-control-flow
[INFO] finished tweaking git repo https://github.com/mrguilt/rust-control-flow
[INFO] tweaked toml for git repo https://github.com/mrguilt/rust-control-flow written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mrguilt/rust-control-flow on toolchain c8085cfed34c45021fc8f66d073f6394b3e35431
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mrguilt/rust-control-flow already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35dbbfe3447ffb02b185e8b78f63f53083eccc0a3edc4a0921df66198e349a93
[INFO] running `Command { std: "docker" "start" "-a" "35dbbfe3447ffb02b185e8b78f63f53083eccc0a3edc4a0921df66198e349a93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35dbbfe3447ffb02b185e8b78f63f53083eccc0a3edc4a0921df66198e349a93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35dbbfe3447ffb02b185e8b78f63f53083eccc0a3edc4a0921df66198e349a93", kill_on_drop: false }`
[INFO] [stdout] 35dbbfe3447ffb02b185e8b78f63f53083eccc0a3edc4a0921df66198e349a93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7b597a7d7654b63ed2a6b946c32da1962c9064beb6dc0816177068f6ccbee76
[INFO] running `Command { std: "docker" "start" "-a" "e7b597a7d7654b63ed2a6b946c32da1962c9064beb6dc0816177068f6ccbee76", kill_on_drop: false }`
[INFO] [stderr]     Checking control-flow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:31:22
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let newnumber=if (number%2!=0) {"Odd"} else {"Even"};
[INFO] [stdout]    |                      ^           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 31 -     let newnumber=if (number%2!=0) {"Odd"} else {"Even"};
[INFO] [stdout] 31 +     let newnumber=if number%2!=0  {"Odd"} else {"Even"};
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/main.rs:88:19
[INFO] [stdout]    |
[INFO] [stdout] 88 |     for number in (1..4) {
[INFO] [stdout]    |                   ^    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 88 -     for number in (1..4) {
[INFO] [stdout] 88 +     for number in 1..4  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:31:22
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let newnumber=if (number%2!=0) {"Odd"} else {"Even"};
[INFO] [stdout]    |                      ^           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 31 -     let newnumber=if (number%2!=0) {"Odd"} else {"Even"};
[INFO] [stdout] 31 +     let newnumber=if number%2!=0  {"Odd"} else {"Even"};
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/main.rs:88:19
[INFO] [stdout]    |
[INFO] [stdout] 88 |     for number in (1..4) {
[INFO] [stdout]    |                   ^    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 88 -     for number in (1..4) {
[INFO] [stdout] 88 +     for number in 1..4  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `condition`
[INFO] [stdout]   --> src/main.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let condition=true; //this was in the example. I started to play a bit. 
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_condition`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `condition`
[INFO] [stdout]   --> src/main.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let condition=true; //this was in the example. I started to play a bit. 
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_condition`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "e7b597a7d7654b63ed2a6b946c32da1962c9064beb6dc0816177068f6ccbee76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7b597a7d7654b63ed2a6b946c32da1962c9064beb6dc0816177068f6ccbee76", kill_on_drop: false }`
[INFO] [stdout] e7b597a7d7654b63ed2a6b946c32da1962c9064beb6dc0816177068f6ccbee76