[INFO] fetching crate safer_ffi-proc_macros 0.2.0-alpha.0...
[INFO] building safer_ffi-proc_macros-0.2.0-alpha.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate safer_ffi-proc_macros 0.2.0-alpha.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate safer_ffi-proc_macros 0.2.0-alpha.0
[INFO] finished tweaking crates.io crate safer_ffi-proc_macros 0.2.0-alpha.0
[INFO] tweaked toml for crates.io crate safer_ffi-proc_macros 0.2.0-alpha.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate safer_ffi-proc_macros 0.2.0-alpha.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate safer_ffi-proc_macros 0.2.0-alpha.0 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf96e24716c744a16fb9fdf982d73318d1e83e46bbb46062fb684b55fe4cf0bd
[INFO] running `Command { std: "docker" "start" "-a" "cf96e24716c744a16fb9fdf982d73318d1e83e46bbb46062fb684b55fe4cf0bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf96e24716c744a16fb9fdf982d73318d1e83e46bbb46062fb684b55fe4cf0bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf96e24716c744a16fb9fdf982d73318d1e83e46bbb46062fb684b55fe4cf0bd", kill_on_drop: false }`
[INFO] [stdout] cf96e24716c744a16fb9fdf982d73318d1e83e46bbb46062fb684b55fe4cf0bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df3572211f19d11a53716b89105252595e1e9120cdd3529ade6f0a5152b54a8a
[INFO] running `Command { std: "docker" "start" "-a" "df3572211f19d11a53716b89105252595e1e9120cdd3529ade6f0a5152b54a8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling paste v1.0.12
[INFO] [stderr]    Compiling prettyplease v0.2.32
[INFO] [stderr]    Compiling macro_rules_attribute-proc_macro v0.1.3
[INFO] [stderr]    Compiling macro_rules_attribute v0.1.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling safer_ffi-proc_macros v0.2.0-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.63s
[INFO] running `Command { std: "docker" "inspect" "df3572211f19d11a53716b89105252595e1e9120cdd3529ade6f0a5152b54a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df3572211f19d11a53716b89105252595e1e9120cdd3529ade6f0a5152b54a8a", kill_on_drop: false }`
[INFO] [stdout] df3572211f19d11a53716b89105252595e1e9120cdd3529ade6f0a5152b54a8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 667b5f7a1f5d0dfba9561db05a5428ac55daa268fc3a77643bb49c2324e1eb73
[INFO] running `Command { std: "docker" "start" "-a" "667b5f7a1f5d0dfba9561db05a5428ac55daa268fc3a77643bb49c2324e1eb73", kill_on_drop: false }`
[INFO] [stderr]    Compiling safer_ffi-proc_macros v0.2.0-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.31s
[INFO] running `Command { std: "docker" "inspect" "667b5f7a1f5d0dfba9561db05a5428ac55daa268fc3a77643bb49c2324e1eb73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "667b5f7a1f5d0dfba9561db05a5428ac55daa268fc3a77643bb49c2324e1eb73", kill_on_drop: false }`
[INFO] [stdout] 667b5f7a1f5d0dfba9561db05a5428ac55daa268fc3a77643bb49c2324e1eb73