[INFO] fetching crate duktape_ffi 0.0.1...
[INFO] checking duktape_ffi-0.0.1 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate duktape_ffi 0.0.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate duktape_ffi 0.0.1 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c68e379d3812f6a516c7a2afdb528d9b2de9dc673488c5e6569cc4c15ab9cdbc
[INFO] running `Command { std: "docker" "start" "-a" "c68e379d3812f6a516c7a2afdb528d9b2de9dc673488c5e6569cc4c15ab9cdbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c68e379d3812f6a516c7a2afdb528d9b2de9dc673488c5e6569cc4c15ab9cdbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c68e379d3812f6a516c7a2afdb528d9b2de9dc673488c5e6569cc4c15ab9cdbc", kill_on_drop: false }`
[INFO] [stdout] c68e379d3812f6a516c7a2afdb528d9b2de9dc673488c5e6569cc4c15ab9cdbc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16a4dad268456f742c8192075794ed707d6976d37d1e8124e932d3f8baf4d55c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "16a4dad268456f742c8192075794ed707d6976d37d1e8124e932d3f8baf4d55c", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.55
[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:11:6
[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]    | |______________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[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 6.60s
[INFO] running `Command { std: "docker" "inspect" "16a4dad268456f742c8192075794ed707d6976d37d1e8124e932d3f8baf4d55c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16a4dad268456f742c8192075794ed707d6976d37d1e8124e932d3f8baf4d55c", kill_on_drop: false }`
[INFO] [stdout] 16a4dad268456f742c8192075794ed707d6976d37d1e8124e932d3f8baf4d55c