[INFO] fetching crate wookong-solo 0.1.4...
[INFO] testing wookong-solo-0.1.4 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate wookong-solo 0.1.4 into /workspace/builds/worker-7-tc1/source
[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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate wookong-solo 0.1.4 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e620bb1a53ffe299f088ce1a169cb4670ba3fdb41221d7a40983be05058aa7d
[INFO] running `Command { std: "docker" "start" "-a" "0e620bb1a53ffe299f088ce1a169cb4670ba3fdb41221d7a40983be05058aa7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e620bb1a53ffe299f088ce1a169cb4670ba3fdb41221d7a40983be05058aa7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e620bb1a53ffe299f088ce1a169cb4670ba3fdb41221d7a40983be05058aa7d", kill_on_drop: false }`
[INFO] [stdout] 0e620bb1a53ffe299f088ce1a169cb4670ba3fdb41221d7a40983be05058aa7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7efe9ff8098dc7ce1f4d964a2bd8a6a53b903569692142fb5b4339a00713033
[INFO] running `Command { std: "docker" "start" "-a" "a7efe9ff8098dc7ce1f4d964a2bd8a6a53b903569692142fb5b4339a00713033", kill_on_drop: false }`
[INFO] [stderr]    Compiling wookong-solo v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: wookong-solo@0.1.4: src/driver/os_uart.c: In function 'uart_init':
[INFO] [stderr] warning: wookong-solo@0.1.4: src/driver/os_uart.c:26:8: warning: 'fd' is used uninitialized [-Wuninitialized]
[INFO] [stderr] warning: wookong-solo@0.1.4:    26 |     if (fd < 0) /* Error Checking */
[INFO] [stderr] warning: wookong-solo@0.1.4:       |        ^
[INFO] [stderr] warning: wookong-solo@0.1.4: src/driver/os_uart.c:17:9: note: 'fd' was declared here
[INFO] [stderr] warning: wookong-solo@0.1.4:    17 |     int fd;
[INFO] [stderr] warning: wookong-solo@0.1.4:       |         ^~
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | extern {
[INFO] [stdout]    | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "a7efe9ff8098dc7ce1f4d964a2bd8a6a53b903569692142fb5b4339a00713033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7efe9ff8098dc7ce1f4d964a2bd8a6a53b903569692142fb5b4339a00713033", kill_on_drop: false }`
[INFO] [stdout] a7efe9ff8098dc7ce1f4d964a2bd8a6a53b903569692142fb5b4339a00713033
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b07c774e2194778f7c16eb529e5fc97d14a0bb93e7addede56c5e87cc9e56cff
[INFO] running `Command { std: "docker" "start" "-a" "b07c774e2194778f7c16eb529e5fc97d14a0bb93e7addede56c5e87cc9e56cff", kill_on_drop: false }`
[INFO] [stderr] warning: wookong-solo@0.1.4: src/driver/os_uart.c: In function 'uart_init':
[INFO] [stderr] warning: wookong-solo@0.1.4: src/driver/os_uart.c:26:8: warning: 'fd' is used uninitialized [-Wuninitialized]
[INFO] [stderr] warning: wookong-solo@0.1.4:    26 |     if (fd < 0) /* Error Checking */
[INFO] [stderr] warning: wookong-solo@0.1.4:       |        ^
[INFO] [stderr] warning: wookong-solo@0.1.4: src/driver/os_uart.c:17:9: note: 'fd' was declared here
[INFO] [stderr] warning: wookong-solo@0.1.4:    17 |     int fd;
[INFO] [stderr] warning: wookong-solo@0.1.4:       |         ^~
[INFO] [stderr]    Compiling wookong-solo v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | extern {
[INFO] [stdout]    | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | extern {
[INFO] [stdout]    | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "b07c774e2194778f7c16eb529e5fc97d14a0bb93e7addede56c5e87cc9e56cff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b07c774e2194778f7c16eb529e5fc97d14a0bb93e7addede56c5e87cc9e56cff", kill_on_drop: false }`
[INFO] [stdout] b07c774e2194778f7c16eb529e5fc97d14a0bb93e7addede56c5e87cc9e56cff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 16e202bd02a2f1d8f843b39dfa2e3de89635973ea26102482d94477673a03a73
[INFO] running `Command { std: "docker" "start" "-a" "16e202bd02a2f1d8f843b39dfa2e3de89635973ea26102482d94477673a03a73", kill_on_drop: false }`
[INFO] [stderr] warning: wookong-solo@0.1.4: src/driver/os_uart.c: In function 'uart_init':
[INFO] [stderr] warning: wookong-solo@0.1.4: src/driver/os_uart.c:26:8: warning: 'fd' is used uninitialized [-Wuninitialized]
[INFO] [stderr] warning: wookong-solo@0.1.4:    26 |     if (fd < 0) /* Error Checking */
[INFO] [stderr] warning: wookong-solo@0.1.4:       |        ^
[INFO] [stderr] warning: wookong-solo@0.1.4: src/driver/os_uart.c:17:9: note: 'fd' was declared here
[INFO] [stderr] warning: wookong-solo@0.1.4:    17 |     int fd;
[INFO] [stderr] warning: wookong-solo@0.1.4:       |         ^~
[INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stderr]   --> src/lib.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | extern {
[INFO] [stderr]    | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(missing_abi)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `wookong-solo` (lib) generated 1 warning (run `cargo fix --lib -p wookong-solo` to apply 1 suggestion)
[INFO] [stderr] warning: `wookong-solo` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/wookong_solo-cda7207c1dfed4e1)
[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] [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" "16e202bd02a2f1d8f843b39dfa2e3de89635973ea26102482d94477673a03a73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16e202bd02a2f1d8f843b39dfa2e3de89635973ea26102482d94477673a03a73", kill_on_drop: false }`
[INFO] [stdout] 16e202bd02a2f1d8f843b39dfa2e3de89635973ea26102482d94477673a03a73