[INFO] fetching crate assemblylift-core-io-guest 0.3.0...
[INFO] checking assemblylift-core-io-guest-0.3.0 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate assemblylift-core-io-guest 0.3.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate assemblylift-core-io-guest 0.3.0 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate assemblylift-core-io-guest 0.3.0
[INFO] finished tweaking crates.io crate assemblylift-core-io-guest 0.3.0
[INFO] tweaked toml for crates.io crate assemblylift-core-io-guest 0.3.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9647488ed235a0491ae61b6ec3bd82c17df40925429080a14e7f70e4f41744b8
[INFO] running `Command { std: "docker" "start" "-a" "9647488ed235a0491ae61b6ec3bd82c17df40925429080a14e7f70e4f41744b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9647488ed235a0491ae61b6ec3bd82c17df40925429080a14e7f70e4f41744b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9647488ed235a0491ae61b6ec3bd82c17df40925429080a14e7f70e4f41744b8", kill_on_drop: false }`
[INFO] [stdout] 9647488ed235a0491ae61b6ec3bd82c17df40925429080a14e7f70e4f41744b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 731643077e37b2f54d683dabeb28f3678803c1757ce7d85d76cbab5c3369ed19
[INFO] running `Command { std: "docker" "start" "-a" "731643077e37b2f54d683dabeb28f3678803c1757ce7d85d76cbab5c3369ed19", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking assemblylift-core-io-common v0.3.0
[INFO] [stderr]     Checking assemblylift-core-io-guest v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `FIB` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:227:17
[INFO] [stdout]     |
[INFO] [stdout] 227 |         let mut FIB = [0u8; FUNCTION_INPUT_BUFFER_SIZE];
[INFO] [stdout]     |                 ^^^ help: convert the identifier to snake case: `fib`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `FIB` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:254:17
[INFO] [stdout]     |
[INFO] [stdout] 254 |         let mut FIB = [0u8; FUNCTION_INPUT_BUFFER_SIZE];
[INFO] [stdout]     |                 ^^^ help: convert the identifier to snake case: `fib`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.21s
[INFO] running `Command { std: "docker" "inspect" "731643077e37b2f54d683dabeb28f3678803c1757ce7d85d76cbab5c3369ed19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "731643077e37b2f54d683dabeb28f3678803c1757ce7d85d76cbab5c3369ed19", kill_on_drop: false }`
[INFO] [stdout] 731643077e37b2f54d683dabeb28f3678803c1757ce7d85d76cbab5c3369ed19