[INFO] fetching crate duktape_ffi 0.0.1...
[INFO] checking duktape_ffi-0.0.1 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate duktape_ffi 0.0.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate duktape_ffi 0.0.1 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate duktape_ffi 0.0.1
[INFO] finished tweaking crates.io crate duktape_ffi 0.0.1
[INFO] tweaked toml for crates.io crate duktape_ffi 0.0.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4218c6d0247bccb6e314a78c44f1e5cc8cb412e030bd8f41dbb93b66652655d9
[INFO] running `Command { std: "docker" "start" "-a" "4218c6d0247bccb6e314a78c44f1e5cc8cb412e030bd8f41dbb93b66652655d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4218c6d0247bccb6e314a78c44f1e5cc8cb412e030bd8f41dbb93b66652655d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4218c6d0247bccb6e314a78c44f1e5cc8cb412e030bd8f41dbb93b66652655d9", kill_on_drop: false }`
[INFO] [stdout] 4218c6d0247bccb6e314a78c44f1e5cc8cb412e030bd8f41dbb93b66652655d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 607e272df86f34d99d34451321f9b6df0db56b06ecf25e7e320362a35cad226c
[INFO] running `Command { std: "docker" "start" "-a" "607e272df86f34d99d34451321f9b6df0db56b06ecf25e7e320362a35cad226c", kill_on_drop: false }`
[INFO] [stderr]    Compiling duktape_ffi v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated type alias `gcc::Config`: gcc::Config has been renamed to gcc::Build
[INFO] [stdout]   --> build.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 |     &gcc::Config::new()
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `gcc::Build::new`: crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stdout]   --> build.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 11 |     &gcc::Config::new()
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> build.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | /     &gcc::Config::new()
[INFO] [stdout] 12 | |       .file(Path::new("duktape/src/duktape.c")).file(Path::new("src/glue.c"))
[INFO] [stdout] 13 | |       .include("duktape/src")
[INFO] [stdout] 14 | |       .compile("libduktape.a");
[INFO] [stdout]    | |______________________________^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let _ = &gcc::Config::new()
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: duk_util_hashbytes.c: In function 'duk_util_hashbytes':
[INFO] [stderr] warning: duk_util_hashbytes.c:44:13: warning: this statement may fall through [-Wimplicit-fallthrough=]
[INFO] [stderr] warning: duk_util_hashbytes.c:45:3: note: here
[INFO] [stderr] warning: duk_util_hashbytes.c:45:13: warning: this statement may fall through [-Wimplicit-fallthrough=]
[INFO] [stderr] warning: duk_util_hashbytes.c:46:3: note: here
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.19s
[INFO] running `Command { std: "docker" "inspect" "607e272df86f34d99d34451321f9b6df0db56b06ecf25e7e320362a35cad226c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "607e272df86f34d99d34451321f9b6df0db56b06ecf25e7e320362a35cad226c", kill_on_drop: false }`
[INFO] [stdout] 607e272df86f34d99d34451321f9b6df0db56b06ecf25e7e320362a35cad226c