[INFO] fetching crate tiny_tco 0.1.6...
[INFO] testing tiny_tco-0.1.6 against 1.60.0 for beta-1.61-1
[INFO] extracting crate tiny_tco 0.1.6 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate tiny_tco 0.1.6 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tiny_tco 0.1.6
[INFO] finished tweaking crates.io crate tiny_tco 0.1.6
[INFO] tweaked toml for crates.io crate tiny_tco 0.1.6 written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6ef591d955a3968df53fe3d21f93362e990b816de25f45aa685a69212228c1b
[INFO] running `Command { std: "docker" "start" "-a" "c6ef591d955a3968df53fe3d21f93362e990b816de25f45aa685a69212228c1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6ef591d955a3968df53fe3d21f93362e990b816de25f45aa685a69212228c1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6ef591d955a3968df53fe3d21f93362e990b816de25f45aa685a69212228c1b", kill_on_drop: false }`
[INFO] [stdout] c6ef591d955a3968df53fe3d21f93362e990b816de25f45aa685a69212228c1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e150c933bee2976554bba02022c8b7d638df0c83faca9dd23ec9fb1158290b9
[INFO] running `Command { std: "docker" "start" "-a" "2e150c933bee2976554bba02022c8b7d638df0c83faca9dd23ec9fb1158290b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling tiny_tco v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "2e150c933bee2976554bba02022c8b7d638df0c83faca9dd23ec9fb1158290b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e150c933bee2976554bba02022c8b7d638df0c83faca9dd23ec9fb1158290b9", kill_on_drop: false }`
[INFO] [stdout] 2e150c933bee2976554bba02022c8b7d638df0c83faca9dd23ec9fb1158290b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de12446a371f24b6653fd24a2722d62f0c7397f305d01ed1a0d105e6981930a6
[INFO] running `Command { std: "docker" "start" "-a" "de12446a371f24b6653fd24a2722d62f0c7397f305d01ed1a0d105e6981930a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling tiny_tco v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lib.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |         if (x == 0) {
[INFO] [stdout]    |            ^      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 31 -         if (x == 0) {
[INFO] [stdout] 31 +         if x == 0 {
[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 0.36s
[INFO] running `Command { std: "docker" "inspect" "de12446a371f24b6653fd24a2722d62f0c7397f305d01ed1a0d105e6981930a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de12446a371f24b6653fd24a2722d62f0c7397f305d01ed1a0d105e6981930a6", kill_on_drop: false }`
[INFO] [stdout] de12446a371f24b6653fd24a2722d62f0c7397f305d01ed1a0d105e6981930a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 361daefb36b89f2806643a290d48c6d8d236cd38bffe3439b1a9e5529e085e9f
[INFO] running `Command { std: "docker" "start" "-a" "361daefb36b89f2806643a290d48c6d8d236cd38bffe3439b1a9e5529e085e9f", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stdout] 
[INFO] [stderr]   --> src/lib.rs:31:12
[INFO] [stdout] running 1 test
[INFO] [stderr]    |
[INFO] [stderr] 31 |         if (x == 0) {
[INFO] [stderr]    |            ^      ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 31 -         if (x == 0) {
[INFO] [stderr] 31 +         if x == 0 {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `tiny_tco` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tiny_tco-2791b378ba0315f1)
[INFO] [stdout] test test ... ok
[INFO] [stderr]    Doc-tests tiny_tco
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "361daefb36b89f2806643a290d48c6d8d236cd38bffe3439b1a9e5529e085e9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "361daefb36b89f2806643a290d48c6d8d236cd38bffe3439b1a9e5529e085e9f", kill_on_drop: false }`
[INFO] [stdout] 361daefb36b89f2806643a290d48c6d8d236cd38bffe3439b1a9e5529e085e9f