[INFO] fetching crate firefly-rust 0.9.3...
[INFO] testing firefly-rust-0.9.3 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate firefly-rust 0.9.3 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate firefly-rust 0.9.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate firefly-rust 0.9.3
[INFO] tweaked toml for crates.io crate firefly-rust 0.9.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate firefly-rust 0.9.3 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate firefly-rust 0.9.3 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded talc v4.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41ae863dc1baa3379fbb85668722870dcfd208bed6679555ed54722ce1e9aeea
[INFO] running `Command { std: "docker" "start" "-a" "41ae863dc1baa3379fbb85668722870dcfd208bed6679555ed54722ce1e9aeea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41ae863dc1baa3379fbb85668722870dcfd208bed6679555ed54722ce1e9aeea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41ae863dc1baa3379fbb85668722870dcfd208bed6679555ed54722ce1e9aeea", kill_on_drop: false }`
[INFO] [stdout] 41ae863dc1baa3379fbb85668722870dcfd208bed6679555ed54722ce1e9aeea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4625db06a77efcc84c50f441de140db45e1617c80a4df8eb9ce8d4257b4451f
[INFO] running `Command { std: "docker" "start" "-a" "f4625db06a77efcc84c50f441de140db45e1617c80a4df8eb9ce8d4257b4451f", kill_on_drop: false }`
[INFO] [stderr]    Compiling firefly-rust v0.9.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "f4625db06a77efcc84c50f441de140db45e1617c80a4df8eb9ce8d4257b4451f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4625db06a77efcc84c50f441de140db45e1617c80a4df8eb9ce8d4257b4451f", kill_on_drop: false }`
[INFO] [stdout] f4625db06a77efcc84c50f441de140db45e1617c80a4df8eb9ce8d4257b4451f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be0898086bf7bec9b6d814bdf50728b99afff4f9bc867945c33d2468b466f8d5
[INFO] running `Command { std: "docker" "start" "-a" "be0898086bf7bec9b6d814bdf50728b99afff4f9bc867945c33d2468b466f8d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling firefly-rust v0.9.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: `#[panic_handler]` function required, but not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `#[panic_handler]` function required, but not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `firefly-rust` (example "triangle") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `firefly-rust` (example "audio_sine") due to 2 previous errors
[INFO] [stdout] error: `#[panic_handler]` function required, but not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `firefly-rust` (example "audio_square") due to 2 previous errors
[INFO] [stdout] error: `#[panic_handler]` function required, but not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `#[panic_handler]` function required, but not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `firefly-rust` (example "audio_noise") due to 2 previous errors
[INFO] [stdout] error: `#[panic_handler]` function required, but not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `FileBuf` in crate `ff`
[INFO] [stdout]   --> examples/image/main.rs:14:32
[INFO] [stdout]    |
[INFO] [stdout] 14 | static mut IMAGE: OnceCell<ff::FileBuf> = OnceCell::new();
[INFO] [stdout]    |                                ^^^^^^^ not found in `ff`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `load_file_buf` in crate `ff`
[INFO] [stdout]    --> examples/image/main.rs:18:20
[INFO] [stdout]     |
[INFO] [stdout]  18 |     let file = ff::load_file_buf("img").unwrap();
[INFO] [stdout]     |                    ^^^^^^^^^^^^^ help: a function with a similar name exists: `load_file`
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/fs.rs:110:1
[INFO] [stdout]     |
[INFO] [stdout] 110 | pub fn load_file<'a>(name: &str, buf: &'a mut [u8]) -> File<'a> {
[INFO] [stdout]     | --------------------------------------------------------------- similarly named function `load_file` defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `firefly-rust` (example "audio_chord") due to 2 previous errors
[INFO] [stdout] Some errors have detailed explanations: E0412, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `firefly-rust` (example "audio_modulator") due to 2 previous errors
[INFO] [stderr] error: could not compile `firefly-rust` (example "image") due to 2 previous errors
[INFO] [stdout] error: `#[panic_handler]` function required, but not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `#[panic_handler]` function required, but not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `firefly-rust` (example "audio_sawtooth") due to 2 previous errors
[INFO] [stderr] error: could not compile `firefly-rust` (example "audio_triangle") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "be0898086bf7bec9b6d814bdf50728b99afff4f9bc867945c33d2468b466f8d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be0898086bf7bec9b6d814bdf50728b99afff4f9bc867945c33d2468b466f8d5", kill_on_drop: false }`
[INFO] [stdout] be0898086bf7bec9b6d814bdf50728b99afff4f9bc867945c33d2468b466f8d5