[INFO] fetching crate wookong-solo 0.1.4...
[INFO] testing wookong-solo-0.1.4 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate wookong-solo 0.1.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate wookong-solo 0.1.4 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 wookong-solo 0.1.4
[INFO] finished tweaking crates.io crate wookong-solo 0.1.4
[INFO] tweaked toml for crates.io crate wookong-solo 0.1.4 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] ec8042329042058675777ef3a541b7fb344cac82836b39e47335e3df916ed140
[INFO] running `Command { std: "docker" "start" "-a" "ec8042329042058675777ef3a541b7fb344cac82836b39e47335e3df916ed140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec8042329042058675777ef3a541b7fb344cac82836b39e47335e3df916ed140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec8042329042058675777ef3a541b7fb344cac82836b39e47335e3df916ed140", kill_on_drop: false }`
[INFO] [stdout] ec8042329042058675777ef3a541b7fb344cac82836b39e47335e3df916ed140
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] cf51c9774965646684c4df90179e85b0f13d797097a8471f3deab073ce730232
[INFO] running `Command { std: "docker" "start" "-a" "cf51c9774965646684c4df90179e85b0f13d797097a8471f3deab073ce730232", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling wookong-solo v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: src/driver/os_uart.c: In function 'uart_init':
[INFO] [stderr] warning: src/driver/os_uart.c:26:8: warning: 'fd' is used uninitialized in this function [-Wuninitialized]
[INFO] [stderr] warning:    26 |     if (fd < 0) /* Error Checking */
[INFO] [stderr] warning:       |        ^
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "cf51c9774965646684c4df90179e85b0f13d797097a8471f3deab073ce730232", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf51c9774965646684c4df90179e85b0f13d797097a8471f3deab073ce730232", kill_on_drop: false }`
[INFO] [stdout] cf51c9774965646684c4df90179e85b0f13d797097a8471f3deab073ce730232
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] e374d7d36c96766e801bf04ee661b1c90cfd6d3b59caf74b3fa390c6ba124f3b
[INFO] running `Command { std: "docker" "start" "-a" "e374d7d36c96766e801bf04ee661b1c90cfd6d3b59caf74b3fa390c6ba124f3b", kill_on_drop: false }`
[INFO] [stderr] warning: src/driver/os_uart.c: In function 'uart_init':
[INFO] [stderr] warning: src/driver/os_uart.c:26:8: warning: 'fd' is used uninitialized in this function [-Wuninitialized]
[INFO] [stderr] warning:    26 |     if (fd < 0) /* Error Checking */
[INFO] [stderr] warning:       |        ^
[INFO] [stderr]    Compiling wookong-solo v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "e374d7d36c96766e801bf04ee661b1c90cfd6d3b59caf74b3fa390c6ba124f3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e374d7d36c96766e801bf04ee661b1c90cfd6d3b59caf74b3fa390c6ba124f3b", kill_on_drop: false }`
[INFO] [stdout] e374d7d36c96766e801bf04ee661b1c90cfd6d3b59caf74b3fa390c6ba124f3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 8750b9e93bdb66ff1d6ff79eb525ec9b3cf403c3afc8f7e18353626e7ea76451
[INFO] running `Command { std: "docker" "start" "-a" "8750b9e93bdb66ff1d6ff79eb525ec9b3cf403c3afc8f7e18353626e7ea76451", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: src/driver/os_uart.c: In function 'uart_init':
[INFO] [stderr] warning: src/driver/os_uart.c:26:8: warning: 'fd' is used uninitialized in this function [-Wuninitialized]
[INFO] [stderr] warning:    26 |     if (fd < 0) /* Error Checking */
[INFO] [stderr] warning:       |        ^
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wookong_solo-9c17c82b1788ccbb)
[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 wookong-solo
[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" "8750b9e93bdb66ff1d6ff79eb525ec9b3cf403c3afc8f7e18353626e7ea76451", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8750b9e93bdb66ff1d6ff79eb525ec9b3cf403c3afc8f7e18353626e7ea76451", kill_on_drop: false }`
[INFO] [stdout] 8750b9e93bdb66ff1d6ff79eb525ec9b3cf403c3afc8f7e18353626e7ea76451