[INFO] fetching crate max7219 0.3.1...
[INFO] testing max7219-0.3.1 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate max7219 0.3.1 into /workspace/builds/worker-37/source
[INFO] validating manifest of crates.io crate max7219 0.3.1 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate max7219 0.3.1
[INFO] finished tweaking crates.io crate max7219 0.3.1
[INFO] tweaked toml for crates.io crate max7219 0.3.1 written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ac8c068214d3519b8dff4eb9b8af62f236b9f5165df47586348663600053a37
[INFO] running `Command { std: "docker" "start" "-a" "4ac8c068214d3519b8dff4eb9b8af62f236b9f5165df47586348663600053a37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ac8c068214d3519b8dff4eb9b8af62f236b9f5165df47586348663600053a37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ac8c068214d3519b8dff4eb9b8af62f236b9f5165df47586348663600053a37", kill_on_drop: false }`
[INFO] [stdout] 4ac8c068214d3519b8dff4eb9b8af62f236b9f5165df47586348663600053a37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e67389fc9d83443be6fb9ebe174b2cc0edd204a209f25de1a8320f2ac9a23cf8
[INFO] running `Command { std: "docker" "start" "-a" "e67389fc9d83443be6fb9ebe174b2cc0edd204a209f25de1a8320f2ac9a23cf8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling max7219 v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "e67389fc9d83443be6fb9ebe174b2cc0edd204a209f25de1a8320f2ac9a23cf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e67389fc9d83443be6fb9ebe174b2cc0edd204a209f25de1a8320f2ac9a23cf8", kill_on_drop: false }`
[INFO] [stdout] e67389fc9d83443be6fb9ebe174b2cc0edd204a209f25de1a8320f2ac9a23cf8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d0ee067e2bd24aad4c1ebc9a62a22cc69219855446d20b24a135bd19210f620
[INFO] running `Command { std: "docker" "start" "-a" "3d0ee067e2bd24aad4c1ebc9a62a22cc69219855446d20b24a135bd19210f620", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling max7219 v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "3d0ee067e2bd24aad4c1ebc9a62a22cc69219855446d20b24a135bd19210f620", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d0ee067e2bd24aad4c1ebc9a62a22cc69219855446d20b24a135bd19210f620", kill_on_drop: false }`
[INFO] [stdout] 3d0ee067e2bd24aad4c1ebc9a62a22cc69219855446d20b24a135bd19210f620
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 27bf8a1a3008fe663042feed36d0d77e31ffd7e4b15c51f2e9c65c9bf4a09e67
[INFO] running `Command { std: "docker" "start" "-a" "27bf8a1a3008fe663042feed36d0d77e31ffd7e4b15c51f2e9c65c9bf4a09e67", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/max7219-30fc9f4f4859841d)
[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 max7219
[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" "27bf8a1a3008fe663042feed36d0d77e31ffd7e4b15c51f2e9c65c9bf4a09e67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27bf8a1a3008fe663042feed36d0d77e31ffd7e4b15c51f2e9c65c9bf4a09e67", kill_on_drop: false }`
[INFO] [stdout] 27bf8a1a3008fe663042feed36d0d77e31ffd7e4b15c51f2e9c65c9bf4a09e67