[INFO] fetching crate weresocool_ring_buffer 1.0.47...
[INFO] building weresocool_ring_buffer-1.0.47 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate weresocool_ring_buffer 1.0.47 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate weresocool_ring_buffer 1.0.47
[INFO] finished tweaking crates.io crate weresocool_ring_buffer 1.0.47
[INFO] tweaked toml for crates.io crate weresocool_ring_buffer 1.0.47 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate weresocool_ring_buffer 1.0.47 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 23 packages to latest compatible versions
[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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 37887978cc3b12afcd75678b8c156ce4dbff891c7d40df82a38a5cc14adc0b5b
[INFO] running `Command { std: "docker" "start" "-a" "37887978cc3b12afcd75678b8c156ce4dbff891c7d40df82a38a5cc14adc0b5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37887978cc3b12afcd75678b8c156ce4dbff891c7d40df82a38a5cc14adc0b5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37887978cc3b12afcd75678b8c156ce4dbff891c7d40df82a38a5cc14adc0b5b", kill_on_drop: false }`
[INFO] [stdout] 37887978cc3b12afcd75678b8c156ce4dbff891c7d40df82a38a5cc14adc0b5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 6d13b522c474957f86b8aaf65f430f6bf3d0cd5895689d630c54b8a1a2e7226a
[INFO] running `Command { std: "docker" "start" "-a" "6d13b522c474957f86b8aaf65f430f6bf3d0cd5895689d630c54b8a1a2e7226a", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling weresocool_shared v1.0.47
[INFO] [stderr]    Compiling weresocool_ring_buffer v1.0.47 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.59s
[INFO] running `Command { std: "docker" "inspect" "6d13b522c474957f86b8aaf65f430f6bf3d0cd5895689d630c54b8a1a2e7226a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d13b522c474957f86b8aaf65f430f6bf3d0cd5895689d630c54b8a1a2e7226a", kill_on_drop: false }`
[INFO] [stdout] 6d13b522c474957f86b8aaf65f430f6bf3d0cd5895689d630c54b8a1a2e7226a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d1e55cc1da70fe89010c5260117a64d04cad86cd166f168d30fea767f4c6368a
[INFO] running `Command { std: "docker" "start" "-a" "d1e55cc1da70fe89010c5260117a64d04cad86cd166f168d30fea767f4c6368a", kill_on_drop: false }`
[INFO] [stderr]    Compiling weresocool_ring_buffer v1.0.47 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "d1e55cc1da70fe89010c5260117a64d04cad86cd166f168d30fea767f4c6368a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1e55cc1da70fe89010c5260117a64d04cad86cd166f168d30fea767f4c6368a", kill_on_drop: false }`
[INFO] [stdout] d1e55cc1da70fe89010c5260117a64d04cad86cd166f168d30fea767f4c6368a