[INFO] fetching crate r4v 0.1.0...
[INFO] testing r4v-0.1.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate r4v 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate r4v 0.1.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate r4v 0.1.0
[INFO] finished tweaking crates.io crate r4v 0.1.0
[INFO] tweaked toml for crates.io crate r4v 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate r4v 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89477a7eade59466f8bd25dc9edfdf4b889197e195d3d562f615f4b1e79d0d59
[INFO] running `Command { std: "docker" "start" "-a" "89477a7eade59466f8bd25dc9edfdf4b889197e195d3d562f615f4b1e79d0d59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89477a7eade59466f8bd25dc9edfdf4b889197e195d3d562f615f4b1e79d0d59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89477a7eade59466f8bd25dc9edfdf4b889197e195d3d562f615f4b1e79d0d59", kill_on_drop: false }`
[INFO] [stdout] 89477a7eade59466f8bd25dc9edfdf4b889197e195d3d562f615f4b1e79d0d59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff55c300391b5d0e2e7cc905241ea54e9874fdd42e4b81ea32be9d6d171c46e4
[INFO] running `Command { std: "docker" "start" "-a" "ff55c300391b5d0e2e7cc905241ea54e9874fdd42e4b81ea32be9d6d171c46e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling r4v v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "ff55c300391b5d0e2e7cc905241ea54e9874fdd42e4b81ea32be9d6d171c46e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff55c300391b5d0e2e7cc905241ea54e9874fdd42e4b81ea32be9d6d171c46e4", kill_on_drop: false }`
[INFO] [stdout] ff55c300391b5d0e2e7cc905241ea54e9874fdd42e4b81ea32be9d6d171c46e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8801fe7efa1abfb90770aa695d7d3b5ef06d8da445c0ce7a3858c1d2c60f1064
[INFO] running `Command { std: "docker" "start" "-a" "8801fe7efa1abfb90770aa695d7d3b5ef06d8da445c0ce7a3858c1d2c60f1064", kill_on_drop: false }`
[INFO] [stderr]    Compiling r4v v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "8801fe7efa1abfb90770aa695d7d3b5ef06d8da445c0ce7a3858c1d2c60f1064", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8801fe7efa1abfb90770aa695d7d3b5ef06d8da445c0ce7a3858c1d2c60f1064", kill_on_drop: false }`
[INFO] [stdout] 8801fe7efa1abfb90770aa695d7d3b5ef06d8da445c0ce7a3858c1d2c60f1064
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e012514ed5b38ea5016b2874619a7ff9b86df179ea9d2d435eea60fe69fa8c73
[INFO] running `Command { std: "docker" "start" "-a" "e012514ed5b38ea5016b2874619a7ff9b86df179ea9d2d435eea60fe69fa8c73", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/r4v-2d4bc14065b1636d)
[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" "e012514ed5b38ea5016b2874619a7ff9b86df179ea9d2d435eea60fe69fa8c73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e012514ed5b38ea5016b2874619a7ff9b86df179ea9d2d435eea60fe69fa8c73", kill_on_drop: false }`
[INFO] [stdout] e012514ed5b38ea5016b2874619a7ff9b86df179ea9d2d435eea60fe69fa8c73