[INFO] fetching crate synchronous-server 0.1.12...
[INFO] checking synchronous-server-0.1.12 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate synchronous-server 0.1.12 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate synchronous-server 0.1.12
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate synchronous-server 0.1.12
[INFO] tweaked toml for crates.io crate synchronous-server 0.1.12 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate synchronous-server 0.1.12 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate synchronous-server 0.1.12 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da5d94c362b1cdc59d904446ed33042ee2d9bb8c17244c7f5dab5c45fc50cf46
[INFO] running `Command { std: "docker" "start" "-a" "da5d94c362b1cdc59d904446ed33042ee2d9bb8c17244c7f5dab5c45fc50cf46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da5d94c362b1cdc59d904446ed33042ee2d9bb8c17244c7f5dab5c45fc50cf46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da5d94c362b1cdc59d904446ed33042ee2d9bb8c17244c7f5dab5c45fc50cf46", kill_on_drop: false }`
[INFO] [stdout] da5d94c362b1cdc59d904446ed33042ee2d9bb8c17244c7f5dab5c45fc50cf46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d644efcc44ebb5f44d4117304c485adce014a86a042fdea49f7ca4e65a0291a
[INFO] running `Command { std: "docker" "start" "-a" "7d644efcc44ebb5f44d4117304c485adce014a86a042fdea49f7ca4e65a0291a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.40
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking proxy-server v0.6.5
[INFO] [stderr]     Checking synchronous-server v0.1.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.52s
[INFO] running `Command { std: "docker" "inspect" "7d644efcc44ebb5f44d4117304c485adce014a86a042fdea49f7ca4e65a0291a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d644efcc44ebb5f44d4117304c485adce014a86a042fdea49f7ca4e65a0291a", kill_on_drop: false }`
[INFO] [stdout] 7d644efcc44ebb5f44d4117304c485adce014a86a042fdea49f7ca4e65a0291a