[INFO] fetching crate mcp3xxx 0.1.0-pre.1...
[INFO] testing mcp3xxx-0.1.0-pre.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate mcp3xxx 0.1.0-pre.1 into /workspace/builds/worker-48/source
[INFO] validating manifest of crates.io crate mcp3xxx 0.1.0-pre.1 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mcp3xxx 0.1.0-pre.1
[INFO] finished tweaking crates.io crate mcp3xxx 0.1.0-pre.1
[INFO] tweaked toml for crates.io crate mcp3xxx 0.1.0-pre.1 written to /workspace/builds/worker-48/source/Cargo.toml
[INFO] crate crates.io crate mcp3xxx 0.1.0-pre.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5cc9ff042635626cd59564b56517f6f787c570a9dc6778ac1c999a3185178580
[INFO] running `Command { std: "docker" "start" "-a" "5cc9ff042635626cd59564b56517f6f787c570a9dc6778ac1c999a3185178580", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cc9ff042635626cd59564b56517f6f787c570a9dc6778ac1c999a3185178580", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cc9ff042635626cd59564b56517f6f787c570a9dc6778ac1c999a3185178580", kill_on_drop: false }`
[INFO] [stdout] 5cc9ff042635626cd59564b56517f6f787c570a9dc6778ac1c999a3185178580
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f0337ebfd8e0f4305c54be53262680cc5df28d2f778253647eefb8eb28c80aa
[INFO] running `Command { std: "docker" "start" "-a" "1f0337ebfd8e0f4305c54be53262680cc5df28d2f778253647eefb8eb28c80aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling rppal v0.11.3
[INFO] [stderr]    Compiling mcp3xxx v0.1.0-pre.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.25s
[INFO] running `Command { std: "docker" "inspect" "1f0337ebfd8e0f4305c54be53262680cc5df28d2f778253647eefb8eb28c80aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f0337ebfd8e0f4305c54be53262680cc5df28d2f778253647eefb8eb28c80aa", kill_on_drop: false }`
[INFO] [stdout] 1f0337ebfd8e0f4305c54be53262680cc5df28d2f778253647eefb8eb28c80aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bd239460778ad9f2df981637022b9798602b9d63e1d71d5b668f90d2c62478b
[INFO] running `Command { std: "docker" "start" "-a" "7bd239460778ad9f2df981637022b9798602b9d63e1d71d5b668f90d2c62478b", kill_on_drop: false }`
[INFO] [stderr]    Compiling mcp3xxx v0.1.0-pre.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "7bd239460778ad9f2df981637022b9798602b9d63e1d71d5b668f90d2c62478b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bd239460778ad9f2df981637022b9798602b9d63e1d71d5b668f90d2c62478b", kill_on_drop: false }`
[INFO] [stdout] 7bd239460778ad9f2df981637022b9798602b9d63e1d71d5b668f90d2c62478b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2a193b542e197d522f1d39971b54f28c44c2ddba6059c9033a5e2c549452926b
[INFO] running `Command { std: "docker" "start" "-a" "2a193b542e197d522f1d39971b54f28c44c2ddba6059c9033a5e2c549452926b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mcp3xxx-83422c836c07b4a3)
[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] [stderr]    Doc-tests mcp3xxx
[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" "2a193b542e197d522f1d39971b54f28c44c2ddba6059c9033a5e2c549452926b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a193b542e197d522f1d39971b54f28c44c2ddba6059c9033a5e2c549452926b", kill_on_drop: false }`
[INFO] [stdout] 2a193b542e197d522f1d39971b54f28c44c2ddba6059c9033a5e2c549452926b