[INFO] fetching crate ns16550a 0.1.0...
[INFO] testing ns16550a-0.1.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate ns16550a 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ns16550a 0.1.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ns16550a 0.1.0
[INFO] finished tweaking crates.io crate ns16550a 0.1.0
[INFO] tweaked toml for crates.io crate ns16550a 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4424e6a90fb005878ca35ffcf64a3cf206decd08f5f16317e1b318777d819852
[INFO] running `Command { std: "docker" "start" "-a" "4424e6a90fb005878ca35ffcf64a3cf206decd08f5f16317e1b318777d819852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4424e6a90fb005878ca35ffcf64a3cf206decd08f5f16317e1b318777d819852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4424e6a90fb005878ca35ffcf64a3cf206decd08f5f16317e1b318777d819852", kill_on_drop: false }`
[INFO] [stdout] 4424e6a90fb005878ca35ffcf64a3cf206decd08f5f16317e1b318777d819852
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08ab222b79bb0bf4196cb0043574e50b04c82c6d31623e11d116d03bde010bab
[INFO] running `Command { std: "docker" "start" "-a" "08ab222b79bb0bf4196cb0043574e50b04c82c6d31623e11d116d03bde010bab", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ns16550a v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "08ab222b79bb0bf4196cb0043574e50b04c82c6d31623e11d116d03bde010bab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08ab222b79bb0bf4196cb0043574e50b04c82c6d31623e11d116d03bde010bab", kill_on_drop: false }`
[INFO] [stdout] 08ab222b79bb0bf4196cb0043574e50b04c82c6d31623e11d116d03bde010bab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6d8007ada6178cabf6da1efac814ff27fb547dc9ae96143c55beaa3e9e47466
[INFO] running `Command { std: "docker" "start" "-a" "e6d8007ada6178cabf6da1efac814ff27fb547dc9ae96143c55beaa3e9e47466", kill_on_drop: false }`
[INFO] [stderr]    Compiling ns16550a v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "e6d8007ada6178cabf6da1efac814ff27fb547dc9ae96143c55beaa3e9e47466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6d8007ada6178cabf6da1efac814ff27fb547dc9ae96143c55beaa3e9e47466", kill_on_drop: false }`
[INFO] [stdout] e6d8007ada6178cabf6da1efac814ff27fb547dc9ae96143c55beaa3e9e47466
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 083fe34b12cf30f67cd5a60b76c4c83709d3de95f559d275de22903270e09c77
[INFO] running `Command { std: "docker" "start" "-a" "083fe34b12cf30f67cd5a60b76c4c83709d3de95f559d275de22903270e09c77", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ns16550a-c48b8c746b54405d)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ns16550a
[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" "083fe34b12cf30f67cd5a60b76c4c83709d3de95f559d275de22903270e09c77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "083fe34b12cf30f67cd5a60b76c4c83709d3de95f559d275de22903270e09c77", kill_on_drop: false }`
[INFO] [stdout] 083fe34b12cf30f67cd5a60b76c4c83709d3de95f559d275de22903270e09c77