[INFO] fetching crate ricecomp 0.4.1...
[INFO] building ricecomp-0.4.1 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate ricecomp 0.4.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate ricecomp 0.4.1
[INFO] finished tweaking crates.io crate ricecomp 0.4.1
[INFO] tweaked toml for crates.io crate ricecomp 0.4.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ricecomp 0.4.1 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ricecomp 0.4.1 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8a8adff9a659ce15f5ef9415367672e92b5a8c38151c9eb3c468eba8593e756
[INFO] running `Command { std: "docker" "start" "-a" "e8a8adff9a659ce15f5ef9415367672e92b5a8c38151c9eb3c468eba8593e756", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8a8adff9a659ce15f5ef9415367672e92b5a8c38151c9eb3c468eba8593e756", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8a8adff9a659ce15f5ef9415367672e92b5a8c38151c9eb3c468eba8593e756", kill_on_drop: false }`
[INFO] [stdout] e8a8adff9a659ce15f5ef9415367672e92b5a8c38151c9eb3c468eba8593e756
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eba972f535786eb8dd2e6040add19f1ecdf0e2f6d2811a6c4682d0f94d89e55f
[INFO] running `Command { std: "docker" "start" "-a" "eba972f535786eb8dd2e6040add19f1ecdf0e2f6d2811a6c4682d0f94d89e55f", kill_on_drop: false }`
[INFO] [stderr]    Compiling ricecomp v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/read.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 92 |         if (input.len() < 4) {
[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] 92 -         if (input.len() < 4) {
[INFO] [stdout] 92 +         if input.len() < 4  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "eba972f535786eb8dd2e6040add19f1ecdf0e2f6d2811a6c4682d0f94d89e55f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eba972f535786eb8dd2e6040add19f1ecdf0e2f6d2811a6c4682d0f94d89e55f", kill_on_drop: false }`
[INFO] [stdout] eba972f535786eb8dd2e6040add19f1ecdf0e2f6d2811a6c4682d0f94d89e55f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07d799f70770ea27418baf89146367b8e953de6fa299515fd35db524bd3e9fb4
[INFO] running `Command { std: "docker" "start" "-a" "07d799f70770ea27418baf89146367b8e953de6fa299515fd35db524bd3e9fb4", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/read.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 92 |         if (input.len() < 4) {
[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] 92 -         if (input.len() < 4) {
[INFO] [stdout] 92 +         if input.len() < 4  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ricecomp v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/read.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 92 |         if (input.len() < 4) {
[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] 92 -         if (input.len() < 4) {
[INFO] [stdout] 92 +         if input.len() < 4  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "07d799f70770ea27418baf89146367b8e953de6fa299515fd35db524bd3e9fb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07d799f70770ea27418baf89146367b8e953de6fa299515fd35db524bd3e9fb4", kill_on_drop: false }`
[INFO] [stdout] 07d799f70770ea27418baf89146367b8e953de6fa299515fd35db524bd3e9fb4