[INFO] fetching crate scan4df 0.2.1...
[INFO] testing scan4df-0.2.1 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate scan4df 0.2.1 into /workspace/builds/worker-89/source
[INFO] validating manifest of crates.io crate scan4df 0.2.1 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scan4df 0.2.1
[INFO] finished tweaking crates.io crate scan4df 0.2.1
[INFO] tweaked toml for crates.io crate scan4df 0.2.1 written to /workspace/builds/worker-89/source/Cargo.toml
[INFO] crate crates.io crate scan4df 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kib v4.0.0
[INFO] [stderr]   Downloaded dia-args v0.51.6
[INFO] [stderr]   Downloaded zeros v7.1.0
[INFO] [stderr]   Downloaded dia-files v0.11.1
[INFO] [stderr]   Downloaded sub-strs v0.23.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7489c26fa8ed48ab93b27af19d333ab22cca9112b95e909a408f9d4a73e87862
[INFO] running `Command { std: "docker" "start" "-a" "7489c26fa8ed48ab93b27af19d333ab22cca9112b95e909a408f9d4a73e87862", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7489c26fa8ed48ab93b27af19d333ab22cca9112b95e909a408f9d4a73e87862", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7489c26fa8ed48ab93b27af19d333ab22cca9112b95e909a408f9d4a73e87862", kill_on_drop: false }`
[INFO] [stdout] 7489c26fa8ed48ab93b27af19d333ab22cca9112b95e909a408f9d4a73e87862
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc63533f984c741d9acda6685c7ca3f39465b1f0f4c5eca2e24b0b21ab7fa195
[INFO] running `Command { std: "docker" "start" "-a" "dc63533f984c741d9acda6685c7ca3f39465b1f0f4c5eca2e24b0b21ab7fa195", kill_on_drop: false }`
[INFO] [stderr]    Compiling scan4df v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "dc63533f984c741d9acda6685c7ca3f39465b1f0f4c5eca2e24b0b21ab7fa195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc63533f984c741d9acda6685c7ca3f39465b1f0f4c5eca2e24b0b21ab7fa195", kill_on_drop: false }`
[INFO] [stdout] dc63533f984c741d9acda6685c7ca3f39465b1f0f4c5eca2e24b0b21ab7fa195
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b1c9aa88c7d8aa2694f74c492a90a3b4367310efec058c42e1eede87f5e2e80
[INFO] running `Command { std: "docker" "start" "-a" "8b1c9aa88c7d8aa2694f74c492a90a3b4367310efec058c42e1eede87f5e2e80", kill_on_drop: false }`
[INFO] [stderr]    Compiling scan4df v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "8b1c9aa88c7d8aa2694f74c492a90a3b4367310efec058c42e1eede87f5e2e80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b1c9aa88c7d8aa2694f74c492a90a3b4367310efec058c42e1eede87f5e2e80", kill_on_drop: false }`
[INFO] [stdout] 8b1c9aa88c7d8aa2694f74c492a90a3b4367310efec058c42e1eede87f5e2e80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d522963e7936279dbdea175d462d69f9883f30277b2d0d875c683d42fb1fd3fb
[INFO] running `Command { std: "docker" "start" "-a" "d522963e7936279dbdea175d462d69f9883f30277b2d0d875c683d42fb1fd3fb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/scan4df-93f5ac1df91cb2c7)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_crate_version ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests scan4df
[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" "d522963e7936279dbdea175d462d69f9883f30277b2d0d875c683d42fb1fd3fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d522963e7936279dbdea175d462d69f9883f30277b2d0d875c683d42fb1fd3fb", kill_on_drop: false }`
[INFO] [stdout] d522963e7936279dbdea175d462d69f9883f30277b2d0d875c683d42fb1fd3fb