[INFO] fetching crate cast6 0.0.0...
[INFO] testing cast6-0.0.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate cast6 0.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cast6 0.0.0 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 cast6 0.0.0
[INFO] finished tweaking crates.io crate cast6 0.0.0
[INFO] tweaked toml for crates.io crate cast6 0.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] e55c4d1e4f674b24db347d1fd465a13c3a188add9c32ab34ad64e19ec66d7bee
[INFO] running `Command { std: "docker" "start" "-a" "e55c4d1e4f674b24db347d1fd465a13c3a188add9c32ab34ad64e19ec66d7bee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e55c4d1e4f674b24db347d1fd465a13c3a188add9c32ab34ad64e19ec66d7bee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e55c4d1e4f674b24db347d1fd465a13c3a188add9c32ab34ad64e19ec66d7bee", kill_on_drop: false }`
[INFO] [stdout] e55c4d1e4f674b24db347d1fd465a13c3a188add9c32ab34ad64e19ec66d7bee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] e0eacba057e0a137dadc5566befe42995ff85342a8365988bbf7ae46b06931eb
[INFO] running `Command { std: "docker" "start" "-a" "e0eacba057e0a137dadc5566befe42995ff85342a8365988bbf7ae46b06931eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling cast6 v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "e0eacba057e0a137dadc5566befe42995ff85342a8365988bbf7ae46b06931eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0eacba057e0a137dadc5566befe42995ff85342a8365988bbf7ae46b06931eb", kill_on_drop: false }`
[INFO] [stdout] e0eacba057e0a137dadc5566befe42995ff85342a8365988bbf7ae46b06931eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 49dea4b59e5d4ba6e53dfd0d50dd609cb8f86a6bacd72a2d76e0ea8f56d6a0fc
[INFO] running `Command { std: "docker" "start" "-a" "49dea4b59e5d4ba6e53dfd0d50dd609cb8f86a6bacd72a2d76e0ea8f56d6a0fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling cast6 v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "49dea4b59e5d4ba6e53dfd0d50dd609cb8f86a6bacd72a2d76e0ea8f56d6a0fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49dea4b59e5d4ba6e53dfd0d50dd609cb8f86a6bacd72a2d76e0ea8f56d6a0fc", kill_on_drop: false }`
[INFO] [stdout] 49dea4b59e5d4ba6e53dfd0d50dd609cb8f86a6bacd72a2d76e0ea8f56d6a0fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 751d4ca17526b6d938877643696c0920a57fdfe0dc6ba665f0833260ba48289c
[INFO] running `Command { std: "docker" "start" "-a" "751d4ca17526b6d938877643696c0920a57fdfe0dc6ba665f0833260ba48289c", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] running 0 tests
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cast6-2812a1f7a3d5a4d8)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    Doc-tests cast6
[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" "751d4ca17526b6d938877643696c0920a57fdfe0dc6ba665f0833260ba48289c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "751d4ca17526b6d938877643696c0920a57fdfe0dc6ba665f0833260ba48289c", kill_on_drop: false }`
[INFO] [stdout] 751d4ca17526b6d938877643696c0920a57fdfe0dc6ba665f0833260ba48289c