[INFO] fetching crate rapid-xml 0.2.3...
[INFO] checking rapid-xml-0.2.3 against try#81275a1445c7502a974118e0c69b795ab60be991 for pr-80243
[INFO] extracting crate rapid-xml 0.2.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rapid-xml 0.2.3 on toolchain 81275a1445c7502a974118e0c69b795ab60be991
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rapid-xml 0.2.3
[INFO] finished tweaking crates.io crate rapid-xml 0.2.3
[INFO] tweaked toml for crates.io crate rapid-xml 0.2.3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate rapid-xml 0.2.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num_enum v0.5.1
[INFO] [stderr]   Downloaded multiversion-macros v0.6.1
[INFO] [stderr]   Downloaded tuple_utils v0.3.0
[INFO] [stderr]   Downloaded multiversion v0.6.1
[INFO] [stderr]   Downloaded paste v1.0.3
[INFO] [stderr]   Downloaded num_enum_derive v0.5.1
[INFO] [stderr]   Downloaded btoi v0.4.2
[INFO] [stderr]   Downloaded unchecked-index v0.2.2
[INFO] [stderr]   Downloaded serde v1.0.117
[INFO] [stderr]   Downloaded twoway v0.2.1
[INFO] [stderr]   Downloaded toml v0.5.7
[INFO] [stderr]   Downloaded serde_derive v1.0.117
[INFO] [stderr]   Downloaded inlinable_string v0.1.12
[INFO] [stderr]   Downloaded syn v1.0.48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 178c163ef60f9608b64d1ce4ca3f5e980902d61850d171edca15d7f114174e2a
[INFO] running `Command { std: "docker" "start" "-a" "178c163ef60f9608b64d1ce4ca3f5e980902d61850d171edca15d7f114174e2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "178c163ef60f9608b64d1ce4ca3f5e980902d61850d171edca15d7f114174e2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "178c163ef60f9608b64d1ce4ca3f5e980902d61850d171edca15d7f114174e2a", kill_on_drop: false }`
[INFO] [stdout] 178c163ef60f9608b64d1ce4ca3f5e980902d61850d171edca15d7f114174e2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 533d5db191f67fce5dd965a9036acbf8d6e4ade0bfeda9d3a4d46c45b3ad35a7
[INFO] running `Command { std: "docker" "start" "-a" "533d5db191f67fce5dd965a9036acbf8d6e4ade0bfeda9d3a4d46c45b3ad35a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking unchecked-index v0.2.2
[INFO] [stderr]     Checking inlinable_string v0.1.12
[INFO] [stderr]     Checking tuple_utils v0.3.0
[INFO] [stderr]    Compiling paste v1.0.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking twoway v0.2.1
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]     Checking btoi v0.4.2
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling num_enum_derive v0.5.1
[INFO] [stderr]    Compiling multiversion-macros v0.6.1
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking multiversion v0.6.1
[INFO] [stderr]     Checking num_enum v0.5.1
[INFO] [stderr]     Checking rapid-xml v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.98s
[INFO] running `Command { std: "docker" "inspect" "533d5db191f67fce5dd965a9036acbf8d6e4ade0bfeda9d3a4d46c45b3ad35a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "533d5db191f67fce5dd965a9036acbf8d6e4ade0bfeda9d3a4d46c45b3ad35a7", kill_on_drop: false }`
[INFO] [stdout] 533d5db191f67fce5dd965a9036acbf8d6e4ade0bfeda9d3a4d46c45b3ad35a7