[INFO] fetching crate my_rust_study 0.1.0...
[INFO] testing my_rust_study-0.1.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate my_rust_study 0.1.0 into /workspace/builds/worker-99/source
[INFO] validating manifest of crates.io crate my_rust_study 0.1.0 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 my_rust_study 0.1.0
[INFO] finished tweaking crates.io crate my_rust_study 0.1.0
[INFO] tweaked toml for crates.io crate my_rust_study 0.1.0 written to /workspace/builds/worker-99/source/Cargo.toml
[INFO] crate crates.io crate my_rust_study 0.1.0 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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] 1df8d41b0cfad60536ff137addf5e1acd910dbcc441dd682a65ff18be4482809
[INFO] running `Command { std: "docker" "start" "-a" "1df8d41b0cfad60536ff137addf5e1acd910dbcc441dd682a65ff18be4482809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1df8d41b0cfad60536ff137addf5e1acd910dbcc441dd682a65ff18be4482809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1df8d41b0cfad60536ff137addf5e1acd910dbcc441dd682a65ff18be4482809", kill_on_drop: false }`
[INFO] [stdout] 1df8d41b0cfad60536ff137addf5e1acd910dbcc441dd682a65ff18be4482809
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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] 8dc580bc04b09438fafeab954c7337dac267e1737c524ee92017a3042872468e
[INFO] running `Command { std: "docker" "start" "-a" "8dc580bc04b09438fafeab954c7337dac267e1737c524ee92017a3042872468e", kill_on_drop: false }`
[INFO] [stderr]    Compiling my_rust_study v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "8dc580bc04b09438fafeab954c7337dac267e1737c524ee92017a3042872468e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dc580bc04b09438fafeab954c7337dac267e1737c524ee92017a3042872468e", kill_on_drop: false }`
[INFO] [stdout] 8dc580bc04b09438fafeab954c7337dac267e1737c524ee92017a3042872468e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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] cea0ac19c0073047084bdec2237ed85f55fdaa8b1ea241960832449b927e136c
[INFO] running `Command { std: "docker" "start" "-a" "cea0ac19c0073047084bdec2237ed85f55fdaa8b1ea241960832449b927e136c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling my_rust_study v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.13s
[INFO] running `Command { std: "docker" "inspect" "cea0ac19c0073047084bdec2237ed85f55fdaa8b1ea241960832449b927e136c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cea0ac19c0073047084bdec2237ed85f55fdaa8b1ea241960832449b927e136c", kill_on_drop: false }`
[INFO] [stdout] cea0ac19c0073047084bdec2237ed85f55fdaa8b1ea241960832449b927e136c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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] b69f85b83a19a3e1628b3fc0b5104e6759f1ce7ba5fb958e96f1d00d0fc7cfdf
[INFO] running `Command { std: "docker" "start" "-a" "b69f85b83a19a3e1628b3fc0b5104e6759f1ce7ba5fb958e96f1d00d0fc7cfdf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/my_rust_study-8dd173732bd4b6c0)
[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" "b69f85b83a19a3e1628b3fc0b5104e6759f1ce7ba5fb958e96f1d00d0fc7cfdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b69f85b83a19a3e1628b3fc0b5104e6759f1ce7ba5fb958e96f1d00d0fc7cfdf", kill_on_drop: false }`
[INFO] [stdout] b69f85b83a19a3e1628b3fc0b5104e6759f1ce7ba5fb958e96f1d00d0fc7cfdf