[INFO] fetching crate rftrace-frontend-ffi 0.3.2...
[INFO] building rftrace-frontend-ffi-0.3.2 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate rftrace-frontend-ffi 0.3.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate rftrace-frontend-ffi 0.3.2
[INFO] finished tweaking crates.io crate rftrace-frontend-ffi 0.3.2
[INFO] tweaked toml for crates.io crate rftrace-frontend-ffi 0.3.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rftrace-frontend-ffi 0.3.2 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rftrace-frontend-ffi 0.3.2 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc21922e1b91bab67cee7beff67fed9781a1bc7b33aaa20f0b24924b2658f4f4
[INFO] running `Command { std: "docker" "start" "-a" "cc21922e1b91bab67cee7beff67fed9781a1bc7b33aaa20f0b24924b2658f4f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc21922e1b91bab67cee7beff67fed9781a1bc7b33aaa20f0b24924b2658f4f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc21922e1b91bab67cee7beff67fed9781a1bc7b33aaa20f0b24924b2658f4f4", kill_on_drop: false }`
[INFO] [stdout] cc21922e1b91bab67cee7beff67fed9781a1bc7b33aaa20f0b24924b2658f4f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f80a2dd7cae3df3117491cbc2eed88b709163db573de1a70847da09d7c84b3c1
[INFO] running `Command { std: "docker" "start" "-a" "f80a2dd7cae3df3117491cbc2eed88b709163db573de1a70847da09d7c84b3c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling rftrace-frontend v0.3.2
[INFO] [stderr]    Compiling rftrace-frontend-ffi v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "f80a2dd7cae3df3117491cbc2eed88b709163db573de1a70847da09d7c84b3c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f80a2dd7cae3df3117491cbc2eed88b709163db573de1a70847da09d7c84b3c1", kill_on_drop: false }`
[INFO] [stdout] f80a2dd7cae3df3117491cbc2eed88b709163db573de1a70847da09d7c84b3c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd92b5f8477b72af54995385d1fb98f69cae96489c5903549e63f23d4aa8032b
[INFO] running `Command { std: "docker" "start" "-a" "bd92b5f8477b72af54995385d1fb98f69cae96489c5903549e63f23d4aa8032b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rftrace-frontend-ffi v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "bd92b5f8477b72af54995385d1fb98f69cae96489c5903549e63f23d4aa8032b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd92b5f8477b72af54995385d1fb98f69cae96489c5903549e63f23d4aa8032b", kill_on_drop: false }`
[INFO] [stdout] bd92b5f8477b72af54995385d1fb98f69cae96489c5903549e63f23d4aa8032b