[INFO] fetching crate libffi 4.1.1...
[INFO] checking libffi-4.1.1 against master#35d55b34bffd51384ac430cc20852b7d16dd5a90 for pr-145108
[INFO] extracting crate libffi 4.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate libffi 4.1.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate libffi 4.1.1
[INFO] tweaked toml for crates.io crate libffi 4.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate libffi 4.1.1 on toolchain 35d55b34bffd51384ac430cc20852b7d16dd5a90
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35d55b34bffd51384ac430cc20852b7d16dd5a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate libffi 4.1.1 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" "+35d55b34bffd51384ac430cc20852b7d16dd5a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libffi-sys v3.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+35d55b34bffd51384ac430cc20852b7d16dd5a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a81565e1ef6935b276ecc9803a500c119f3fb8b2a627a08352b6f2231175e9b
[INFO] running `Command { std: "docker" "start" "-a" "3a81565e1ef6935b276ecc9803a500c119f3fb8b2a627a08352b6f2231175e9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a81565e1ef6935b276ecc9803a500c119f3fb8b2a627a08352b6f2231175e9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a81565e1ef6935b276ecc9803a500c119f3fb8b2a627a08352b6f2231175e9b", kill_on_drop: false }`
[INFO] [stdout] 3a81565e1ef6935b276ecc9803a500c119f3fb8b2a627a08352b6f2231175e9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+35d55b34bffd51384ac430cc20852b7d16dd5a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 588f4fc488d8878c5ea78778d9d8434b008faf6c321e6d153bfb8dc148b09fce
[INFO] running `Command { std: "docker" "start" "-a" "588f4fc488d8878c5ea78778d9d8434b008faf6c321e6d153bfb8dc148b09fce", kill_on_drop: false }`
[INFO] [stderr]    Compiling libffi-sys v3.3.2
[INFO] [stderr]     Checking libffi v4.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/high/call.rs:54:34
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub fn arg<T: super::CType>(arg: &T) -> Arg {
[INFO] [stdout]    |                                  ^^     ^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub fn arg<T: super::CType>(arg: &T) -> Arg<'_> {
[INFO] [stdout]    |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/middle/builder.rs:130:19
[INFO] [stdout]     |
[INFO] [stdout] 130 |         userdata: &U,
[INFO] [stdout]     |                   ^^ the lifetime is elided here
[INFO] [stdout] 131 |     ) -> super::Closure {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 131 |     ) -> super::Closure<'_> {
[INFO] [stdout]     |                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/middle/builder.rs:149:19
[INFO] [stdout]     |
[INFO] [stdout] 149 |         userdata: &mut U,
[INFO] [stdout]     |                   ^^^^^^ the lifetime is elided here
[INFO] [stdout] 150 |     ) -> super::Closure {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 150 |     ) -> super::Closure<'_> {
[INFO] [stdout]     |                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/high/call.rs:54:34
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub fn arg<T: super::CType>(arg: &T) -> Arg {
[INFO] [stdout]    |                                  ^^     ^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub fn arg<T: super::CType>(arg: &T) -> Arg<'_> {
[INFO] [stdout]    |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.58s
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/middle/builder.rs:130:19
[INFO] [stdout]     |
[INFO] [stdout] 130 |         userdata: &U,
[INFO] [stdout]     |                   ^^ the lifetime is elided here
[INFO] [stdout] 131 |     ) -> super::Closure {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 131 |     ) -> super::Closure<'_> {
[INFO] [stdout]     |                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/middle/builder.rs:149:19
[INFO] [stdout]     |
[INFO] [stdout] 149 |         userdata: &mut U,
[INFO] [stdout]     |                   ^^^^^^ the lifetime is elided here
[INFO] [stdout] 150 |     ) -> super::Closure {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 150 |     ) -> super::Closure<'_> {
[INFO] [stdout]     |                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "588f4fc488d8878c5ea78778d9d8434b008faf6c321e6d153bfb8dc148b09fce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "588f4fc488d8878c5ea78778d9d8434b008faf6c321e6d153bfb8dc148b09fce", kill_on_drop: false }`
[INFO] [stdout] 588f4fc488d8878c5ea78778d9d8434b008faf6c321e6d153bfb8dc148b09fce