[INFO] cloning repository https://github.com/diegome48/polynomial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/diegome48/polynomial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdiegome48%2Fpolynomial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdiegome48%2Fpolynomial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 89f33be6826978b34749d4071793e9a6fdb1c79f
[INFO] building diegome48/polynomial against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdiegome48%2Fpolynomial" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/diegome48/polynomial on toolchain 8b8eff55bd72abbb57167bc42222a7f91d41cb0d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/diegome48/polynomial
[INFO] finished tweaking git repo https://github.com/diegome48/polynomial
[INFO] tweaked toml for git repo https://github.com/diegome48/polynomial written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/diegome48/polynomial 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" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 812f41b5aef6daf6e4c01255d036b11236c1b0fc97dc0fd41d4a4fd6780633a2
[INFO] running `Command { std: "docker" "start" "-a" "812f41b5aef6daf6e4c01255d036b11236c1b0fc97dc0fd41d4a4fd6780633a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "812f41b5aef6daf6e4c01255d036b11236c1b0fc97dc0fd41d4a4fd6780633a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "812f41b5aef6daf6e4c01255d036b11236c1b0fc97dc0fd41d4a4fd6780633a2", kill_on_drop: false }`
[INFO] [stdout] 812f41b5aef6daf6e4c01255d036b11236c1b0fc97dc0fd41d4a4fd6780633a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a9bfc81624c47a0beff7f89da38c803cb335b6e4cc8b8aac1ca07cb7140b859
[INFO] running `Command { std: "docker" "start" "-a" "4a9bfc81624c47a0beff7f89da38c803cb335b6e4cc8b8aac1ca07cb7140b859", kill_on_drop: false }`
[INFO] [stderr]    Compiling polynomial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "4a9bfc81624c47a0beff7f89da38c803cb335b6e4cc8b8aac1ca07cb7140b859", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a9bfc81624c47a0beff7f89da38c803cb335b6e4cc8b8aac1ca07cb7140b859", kill_on_drop: false }`
[INFO] [stdout] 4a9bfc81624c47a0beff7f89da38c803cb335b6e4cc8b8aac1ca07cb7140b859
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 264e214eb7a839cd11689c148c69c4f4d044d91e992bc5f4a6edc695cd51c618
[INFO] running `Command { std: "docker" "start" "-a" "264e214eb7a839cd11689c148c69c4f4d044d91e992bc5f4a6edc695cd51c618", kill_on_drop: false }`
[INFO] [stderr]    Compiling polynomial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "264e214eb7a839cd11689c148c69c4f4d044d91e992bc5f4a6edc695cd51c618", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "264e214eb7a839cd11689c148c69c4f4d044d91e992bc5f4a6edc695cd51c618", kill_on_drop: false }`
[INFO] [stdout] 264e214eb7a839cd11689c148c69c4f4d044d91e992bc5f4a6edc695cd51c618