[INFO] fetching crate bossa 2.3.0...
[INFO] checking bossa-2.3.0 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate bossa 2.3.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate bossa 2.3.0 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bossa 2.3.0
[INFO] finished tweaking crates.io crate bossa 2.3.0
[INFO] tweaked toml for crates.io crate bossa 2.3.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate bossa 2.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.68
[INFO] [stderr]   Downloaded scratch v1.0.7
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.107
[INFO] [stderr]   Downloaded cxx-build v1.0.107
[INFO] [stderr]   Downloaded link-cplusplus v1.0.9
[INFO] [stderr]   Downloaded cxx v1.0.107
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.107
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6705d99d3bf7835da0b32dbeb0f3b4b6f78e242a4308655365d3f8d84cf7ef27
[INFO] running `Command { std: "docker" "start" "-a" "6705d99d3bf7835da0b32dbeb0f3b4b6f78e242a4308655365d3f8d84cf7ef27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6705d99d3bf7835da0b32dbeb0f3b4b6f78e242a4308655365d3f8d84cf7ef27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6705d99d3bf7835da0b32dbeb0f3b4b6f78e242a4308655365d3f8d84cf7ef27", kill_on_drop: false }`
[INFO] [stdout] 6705d99d3bf7835da0b32dbeb0f3b4b6f78e242a4308655365d3f8d84cf7ef27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0cc52eab256f91dc52245cd7cd0c977fa4512bfcbc8fdf6a17d055b7e65d04ad
[INFO] running `Command { std: "docker" "start" "-a" "0cc52eab256f91dc52245cd7cd0c977fa4512bfcbc8fdf6a17d055b7e65d04ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.68
[INFO] [stderr]    Compiling scratch v1.0.7
[INFO] [stderr]    Compiling cxxbridge-flags v1.0.107
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling termcolor v1.3.0
[INFO] [stderr]    Compiling link-cplusplus v1.0.9
[INFO] [stderr]    Compiling cxx v1.0.107
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling cxx-build v1.0.107
[INFO] [stderr]    Compiling cxxbridge-macro v1.0.107
[INFO] [stderr]    Compiling bossa v2.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0061]: this function takes 1 argument but 0 arguments were supplied
[INFO] [stdout]    --> examples/uid.rs:23:24
[INFO] [stdout]     |
[INFO] [stdout] 23  |     let mut observer = lib::new_bossa_observer();
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^-- an argument of type `ObserverCallback` is missing
[INFO] [stdout]     |
[INFO] [stdout] note: function defined here
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:101:19
[INFO] [stdout]     |
[INFO] [stdout] 101 |         unsafe fn new_bossa_observer(callback: ObserverCallback) -> UniquePtr<FlasherObserver>;
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: provide the argument
[INFO] [stdout]     |
[INFO] [stdout] 23  |     let mut observer = lib::new_bossa_observer(/* ObserverCallback */);
[INFO] [stdout]     |                                               ~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bossa` (example "uid") due to 2 previous errors
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0cc52eab256f91dc52245cd7cd0c977fa4512bfcbc8fdf6a17d055b7e65d04ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cc52eab256f91dc52245cd7cd0c977fa4512bfcbc8fdf6a17d055b7e65d04ad", kill_on_drop: false }`
[INFO] [stdout] 0cc52eab256f91dc52245cd7cd0c977fa4512bfcbc8fdf6a17d055b7e65d04ad
[INFO] checking bossa-2.3.0 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate bossa 2.3.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate bossa 2.3.0 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bossa 2.3.0
[INFO] finished tweaking crates.io crate bossa 2.3.0
[INFO] tweaked toml for crates.io crate bossa 2.3.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate bossa 2.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b442777ec7889f6410b4dc80bba3bb60729d68f1527d2be6d37eab86b24a00a2
[INFO] running `Command { std: "docker" "start" "-a" "b442777ec7889f6410b4dc80bba3bb60729d68f1527d2be6d37eab86b24a00a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b442777ec7889f6410b4dc80bba3bb60729d68f1527d2be6d37eab86b24a00a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b442777ec7889f6410b4dc80bba3bb60729d68f1527d2be6d37eab86b24a00a2", kill_on_drop: false }`
[INFO] [stdout] b442777ec7889f6410b4dc80bba3bb60729d68f1527d2be6d37eab86b24a00a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38d4ae755a29d590411b8477ce7048cc21bead752d029319d88475b1eca4ded0
[INFO] running `Command { std: "docker" "start" "-a" "38d4ae755a29d590411b8477ce7048cc21bead752d029319d88475b1eca4ded0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.68
[INFO] [stderr]    Compiling scratch v1.0.7
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling cxxbridge-flags v1.0.107
[INFO] [stderr]    Compiling termcolor v1.3.0
[INFO] [stderr]    Compiling link-cplusplus v1.0.9
[INFO] [stderr]    Compiling cxx v1.0.107
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling cxx-build v1.0.107
[INFO] [stderr]    Compiling cxxbridge-macro v1.0.107
[INFO] [stderr]    Compiling bossa v2.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0061]: this function takes 1 argument but 0 arguments were supplied
[INFO] [stdout]    --> examples/uid.rs:23:24
[INFO] [stdout]     |
[INFO] [stdout] 23  |     let mut observer = lib::new_bossa_observer();
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^-- an argument of type `ObserverCallback` is missing
[INFO] [stdout]     |
[INFO] [stdout] note: function defined here
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:101:19
[INFO] [stdout]     |
[INFO] [stdout] 101 |         unsafe fn new_bossa_observer(callback: ObserverCallback) -> UniquePtr<FlasherObserver>;
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: provide the argument
[INFO] [stdout]     |
[INFO] [stdout] 23  |     let mut observer = lib::new_bossa_observer(/* ObserverCallback */);
[INFO] [stdout]     |                                               ~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bossa` (example "uid") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "38d4ae755a29d590411b8477ce7048cc21bead752d029319d88475b1eca4ded0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38d4ae755a29d590411b8477ce7048cc21bead752d029319d88475b1eca4ded0", kill_on_drop: false }`
[INFO] [stdout] 38d4ae755a29d590411b8477ce7048cc21bead752d029319d88475b1eca4ded0
