[INFO] fetching crate ffi-export-proc-macro 0.2.0...
[INFO] checking ffi-export-proc-macro-0.2.0 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate ffi-export-proc-macro 0.2.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate ffi-export-proc-macro 0.2.0 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ffi-export-proc-macro 0.2.0
[INFO] finished tweaking crates.io crate ffi-export-proc-macro 0.2.0
[INFO] tweaked toml for crates.io crate ffi-export-proc-macro 0.2.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad95ade59dc0c3cdbb681aa29a3d76cd7fb96be8986afaaf2a2450add357c174
[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" "ad95ade59dc0c3cdbb681aa29a3d76cd7fb96be8986afaaf2a2450add357c174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad95ade59dc0c3cdbb681aa29a3d76cd7fb96be8986afaaf2a2450add357c174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad95ade59dc0c3cdbb681aa29a3d76cd7fb96be8986afaaf2a2450add357c174", kill_on_drop: false }`
[INFO] [stdout] ad95ade59dc0c3cdbb681aa29a3d76cd7fb96be8986afaaf2a2450add357c174
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 3a3c9e1d5fbb0722f2525fef69a83a14348e329ceb9e2ecb27a7c94d06c32ddf
[INFO] running `Command { std: "docker" "start" "-a" "3a3c9e1d5fbb0722f2525fef69a83a14348e329ceb9e2ecb27a7c94d06c32ddf", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking proc-macro2 v0.4.30
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking syn v0.15.44
[INFO] [stderr]     Checking ffi-export-proc-macro v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.40s
[INFO] running `Command { std: "docker" "inspect" "3a3c9e1d5fbb0722f2525fef69a83a14348e329ceb9e2ecb27a7c94d06c32ddf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a3c9e1d5fbb0722f2525fef69a83a14348e329ceb9e2ecb27a7c94d06c32ddf", kill_on_drop: false }`
[INFO] [stdout] 3a3c9e1d5fbb0722f2525fef69a83a14348e329ceb9e2ecb27a7c94d06c32ddf