[INFO] fetching crate syb 0.1.0...
[INFO] checking syb-0.1.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate syb 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate syb 0.1.0 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate syb 0.1.0
[INFO] finished tweaking crates.io crate syb 0.1.0
[INFO] tweaked toml for crates.io crate syb 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96a0ed6bad5fce2bbc99d19dceb10fac66c2829164247fb233cb3a6c49b446ae
[INFO] running `Command { std: "docker" "start" "-a" "96a0ed6bad5fce2bbc99d19dceb10fac66c2829164247fb233cb3a6c49b446ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96a0ed6bad5fce2bbc99d19dceb10fac66c2829164247fb233cb3a6c49b446ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96a0ed6bad5fce2bbc99d19dceb10fac66c2829164247fb233cb3a6c49b446ae", kill_on_drop: false }`
[INFO] [stdout] 96a0ed6bad5fce2bbc99d19dceb10fac66c2829164247fb233cb3a6c49b446ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eadeb2542fb59604d1aecdc0c16d0f0abf6ae6faea02f11c85b0ba4df9fecb07
[INFO] running `Command { std: "docker" "start" "-a" "eadeb2542fb59604d1aecdc0c16d0f0abf6ae6faea02f11c85b0ba4df9fecb07", kill_on_drop: false }`
[INFO] [stderr]     Checking syb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "eadeb2542fb59604d1aecdc0c16d0f0abf6ae6faea02f11c85b0ba4df9fecb07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eadeb2542fb59604d1aecdc0c16d0f0abf6ae6faea02f11c85b0ba4df9fecb07", kill_on_drop: false }`
[INFO] [stdout] eadeb2542fb59604d1aecdc0c16d0f0abf6ae6faea02f11c85b0ba4df9fecb07