[INFO] fetching crate reflux 6.4.2...
[INFO] building reflux-6.4.2 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate reflux 6.4.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate reflux 6.4.2
[INFO] finished tweaking crates.io crate reflux 6.4.2
[INFO] tweaked toml for crates.io crate reflux 6.4.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate reflux 6.4.2 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 reflux 6.4.2 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] bcdd9d047b59eada59d5b3ff02a2e23edc05104a3ee0e21ed6a739d703bc962f
[INFO] running `Command { std: "docker" "start" "-a" "bcdd9d047b59eada59d5b3ff02a2e23edc05104a3ee0e21ed6a739d703bc962f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcdd9d047b59eada59d5b3ff02a2e23edc05104a3ee0e21ed6a739d703bc962f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcdd9d047b59eada59d5b3ff02a2e23edc05104a3ee0e21ed6a739d703bc962f", kill_on_drop: false }`
[INFO] [stdout] bcdd9d047b59eada59d5b3ff02a2e23edc05104a3ee0e21ed6a739d703bc962f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 03b0f675de67d631f7c70b26e4480cbdc52a305f60dc104e003b9d431e42c142
[INFO] running `Command { std: "docker" "start" "-a" "03b0f675de67d631f7c70b26e4480cbdc52a305f60dc104e003b9d431e42c142", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling crossbeam-channel v0.5.14
[INFO] [stderr]    Compiling reflux v6.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "03b0f675de67d631f7c70b26e4480cbdc52a305f60dc104e003b9d431e42c142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03b0f675de67d631f7c70b26e4480cbdc52a305f60dc104e003b9d431e42c142", kill_on_drop: false }`
[INFO] [stdout] 03b0f675de67d631f7c70b26e4480cbdc52a305f60dc104e003b9d431e42c142
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 57fee27b9e9cfbd58f9719c2e36ecb22c70801354d519ad2526d815c99364fe9
[INFO] running `Command { std: "docker" "start" "-a" "57fee27b9e9cfbd58f9719c2e36ecb22c70801354d519ad2526d815c99364fe9", kill_on_drop: false }`
[INFO] [stderr]    Compiling reflux v6.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]     --> src/lib.rs:1355:9
[INFO] [stdout]      |
[INFO] [stdout] 1304 |         return;
[INFO] [stdout]      |         ------ any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 1355 |         yield TransformerResult::Effect(TransformerEffectType::Debug($a));
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/tests.rs:481:9
[INFO] [stdout]      |
[INFO] [stdout]  481 |         effect_debug!(vec!["Invalid effect".to_string()]);
[INFO] [stdout]      |         ------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]      = note: this warning originates in the macro `effect_debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]     --> src/lib.rs:1355:9
[INFO] [stdout]      |
[INFO] [stdout] 1319 |         return;
[INFO] [stdout]      |         ------ any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 1355 |         yield TransformerResult::Effect(TransformerEffectType::Debug($a));
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/tests.rs:519:9
[INFO] [stdout]      |
[INFO] [stdout]  519 |         effect_debug!(vec!["Invalid effect".to_string()]);
[INFO] [stdout]      |         ------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this warning originates in the macro `effect_debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `Command { std: "docker" "inspect" "57fee27b9e9cfbd58f9719c2e36ecb22c70801354d519ad2526d815c99364fe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57fee27b9e9cfbd58f9719c2e36ecb22c70801354d519ad2526d815c99364fe9", kill_on_drop: false }`
[INFO] [stdout] 57fee27b9e9cfbd58f9719c2e36ecb22c70801354d519ad2526d815c99364fe9