[INFO] fetching crate serde_closure 0.3.2...
[INFO] checking serde_closure-0.3.2 against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] extracting crate serde_closure 0.3.2 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate serde_closure 0.3.2 on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_closure 0.3.2
[INFO] finished tweaking crates.io crate serde_closure 0.3.2
[INFO] tweaked toml for crates.io crate serde_closure 0.3.2 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bbe8b3a2819d11fefade3d927b555c611f608bd66de74a585aad26cd1d45d7a5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bbe8b3a2819d11fefade3d927b555c611f608bd66de74a585aad26cd1d45d7a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbe8b3a2819d11fefade3d927b555c611f608bd66de74a585aad26cd1d45d7a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbe8b3a2819d11fefade3d927b555c611f608bd66de74a585aad26cd1d45d7a5", kill_on_drop: false }`
[INFO] [stdout] bbe8b3a2819d11fefade3d927b555c611f608bd66de74a585aad26cd1d45d7a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bd5fd82d9faac1a297c9b524cde33c45d0951ee83371e21727bf2d713c26ceb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4bd5fd82d9faac1a297c9b524cde33c45d0951ee83371e21727bf2d713c26ceb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde_closure v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde_closure_derive v0.3.2
[INFO] [stderr]     Checking serde v1.0.123
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.34s
[INFO] running `Command { std: "docker" "inspect" "4bd5fd82d9faac1a297c9b524cde33c45d0951ee83371e21727bf2d713c26ceb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bd5fd82d9faac1a297c9b524cde33c45d0951ee83371e21727bf2d713c26ceb", kill_on_drop: false }`
[INFO] [stdout] 4bd5fd82d9faac1a297c9b524cde33c45d0951ee83371e21727bf2d713c26ceb