[INFO] cloning repository https://github.com/wrenger/rust-ffi-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wrenger/rust-ffi-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwrenger%2Frust-ffi-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwrenger%2Frust-ffi-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 48e07ed260cbb3f67e68caab3490f4b8fb8bb4fb
[INFO] checking wrenger/rust-ffi-test against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwrenger%2Frust-ffi-test" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wrenger/rust-ffi-test on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wrenger/rust-ffi-test
[INFO] finished tweaking git repo https://github.com/wrenger/rust-ffi-test
[INFO] tweaked toml for git repo https://github.com/wrenger/rust-ffi-test written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/wrenger/rust-ffi-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 574f8b4ae56be04fd17220684f8c6a7e883b3ba17feed0110223e0d1efb800e2
[INFO] running `Command { std: "docker" "start" "-a" "574f8b4ae56be04fd17220684f8c6a7e883b3ba17feed0110223e0d1efb800e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "574f8b4ae56be04fd17220684f8c6a7e883b3ba17feed0110223e0d1efb800e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "574f8b4ae56be04fd17220684f8c6a7e883b3ba17feed0110223e0d1efb800e2", kill_on_drop: false }`
[INFO] [stdout] 574f8b4ae56be04fd17220684f8c6a7e883b3ba17feed0110223e0d1efb800e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59d8ce0a1b1eff83e3c0ea0dcc60ba2aa4656733840d5cf823edf5bd007997a2
[INFO] running `Command { std: "docker" "start" "-a" "59d8ce0a1b1eff83e3c0ea0dcc60ba2aa4656733840d5cf823edf5bd007997a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling bindgen v0.58.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking shlex v1.0.0
[INFO] [stderr]     Checking peeking_take_while v0.1.2
[INFO] [stderr]    Compiling clang-sys v1.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking which v3.1.1
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking cexpr v0.4.0
[INFO] [stderr]     Checking regex v1.5.3
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking rust-ffi-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.58s
[INFO] running `Command { std: "docker" "inspect" "59d8ce0a1b1eff83e3c0ea0dcc60ba2aa4656733840d5cf823edf5bd007997a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59d8ce0a1b1eff83e3c0ea0dcc60ba2aa4656733840d5cf823edf5bd007997a2", kill_on_drop: false }`
[INFO] [stdout] 59d8ce0a1b1eff83e3c0ea0dcc60ba2aa4656733840d5cf823edf5bd007997a2