[INFO] fetching crate send 0.8.0...
[INFO] checking send-0.8.0 against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194
[INFO] extracting crate send 0.8.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate send 0.8.0 on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate send 0.8.0
[INFO] finished tweaking crates.io crate send 0.8.0
[INFO] tweaked toml for crates.io crate send 0.8.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dia-args v0.51.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef44ea840790164b259422f2b53f158fdbbdbb97642dc6aef7822b57e8eed251
[INFO] running `Command { std: "docker" "start" "-a" "ef44ea840790164b259422f2b53f158fdbbdbb97642dc6aef7822b57e8eed251", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef44ea840790164b259422f2b53f158fdbbdbb97642dc6aef7822b57e8eed251", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef44ea840790164b259422f2b53f158fdbbdbb97642dc6aef7822b57e8eed251", kill_on_drop: false }`
[INFO] [stdout] ef44ea840790164b259422f2b53f158fdbbdbb97642dc6aef7822b57e8eed251
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ed74327334725e2586ee134366ef33c4cabec7fb4a9801322bb5f945406c4eb
[INFO] running `Command { std: "docker" "start" "-a" "5ed74327334725e2586ee134366ef33c4cabec7fb4a9801322bb5f945406c4eb", kill_on_drop: false }`
[INFO] [stderr]     Checking send v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "5ed74327334725e2586ee134366ef33c4cabec7fb4a9801322bb5f945406c4eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ed74327334725e2586ee134366ef33c4cabec7fb4a9801322bb5f945406c4eb", kill_on_drop: false }`
[INFO] [stdout] 5ed74327334725e2586ee134366ef33c4cabec7fb4a9801322bb5f945406c4eb