[INFO] fetching crate upon 0.8.0...
[INFO] checking upon-0.8.0 against master#8424f8e8cdf07010967a57584fd647b30e930d4d for pr-120095
[INFO] extracting crate upon 0.8.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate upon 0.8.0 on toolchain 8424f8e8cdf07010967a57584fd647b30e930d4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate upon 0.8.0
[INFO] finished tweaking crates.io crate upon 0.8.0
[INFO] tweaked toml for crates.io crate upon 0.8.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate upon 0.8.0 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" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21841784f76ca12e485f9c5b305f00f1c3692c68959e3fced4f99630cc2e2ea6
[INFO] running `Command { std: "docker" "start" "-a" "21841784f76ca12e485f9c5b305f00f1c3692c68959e3fced4f99630cc2e2ea6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21841784f76ca12e485f9c5b305f00f1c3692c68959e3fced4f99630cc2e2ea6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21841784f76ca12e485f9c5b305f00f1c3692c68959e3fced4f99630cc2e2ea6", kill_on_drop: false }`
[INFO] [stdout] 21841784f76ca12e485f9c5b305f00f1c3692c68959e3fced4f99630cc2e2ea6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e209fc5f75034e0e32069edb353796f8e0d361d769f6387c630250347fbb9da6
[INFO] running `Command { std: "docker" "start" "-a" "e209fc5f75034e0e32069edb353796f8e0d361d769f6387c630250347fbb9da6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling serde v1.0.190
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling serde_derive v1.0.190
[INFO] [stderr]     Checking upon v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.70s
[INFO] running `Command { std: "docker" "inspect" "e209fc5f75034e0e32069edb353796f8e0d361d769f6387c630250347fbb9da6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e209fc5f75034e0e32069edb353796f8e0d361d769f6387c630250347fbb9da6", kill_on_drop: false }`
[INFO] [stdout] e209fc5f75034e0e32069edb353796f8e0d361d769f6387c630250347fbb9da6