[INFO] fetching crate uvm_core 0.9.0...
[INFO] checking uvm_core-0.9.0 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate uvm_core 0.9.0 into /workspace/builds/worker-83/source
[INFO] validating manifest of crates.io crate uvm_core 0.9.0 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uvm_core 0.9.0
[INFO] finished tweaking crates.io crate uvm_core 0.9.0
[INFO] tweaked toml for crates.io crate uvm_core 0.9.0 written to /workspace/builds/worker-83/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc52884ae4c512a80f99bef2dd24601f5cf0ebf47b03b33c287f78b59d754624
[INFO] running `Command { std: "docker" "start" "-a" "cc52884ae4c512a80f99bef2dd24601f5cf0ebf47b03b33c287f78b59d754624", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc52884ae4c512a80f99bef2dd24601f5cf0ebf47b03b33c287f78b59d754624", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc52884ae4c512a80f99bef2dd24601f5cf0ebf47b03b33c287f78b59d754624", kill_on_drop: false }`
[INFO] [stdout] cc52884ae4c512a80f99bef2dd24601f5cf0ebf47b03b33c287f78b59d754624
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37a5b7f3eb6aa71eebd550e43f16cdb298cb8f34ddc59b7d1d95476a1e4afa28
[INFO] running `Command { std: "docker" "start" "-a" "37a5b7f3eb6aa71eebd550e43f16cdb298cb8f34ddc59b7d1d95476a1e4afa28", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling plist v0.3.0
[INFO] [stderr]     Checking result v1.0.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking stringreader v0.1.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking xml-rs v0.7.0
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling hyper v0.12.36
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking semver v1.0.4
[INFO] [stderr]     Checking cluFlock v1.2.5
[INFO] [stderr]     Checking dirs-2 v3.0.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking object v0.26.2
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr] error: could not compile `xml-rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name xml /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xml-rs-0.7.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=d880a356c7e94edc -C extra-filename=-d880a356c7e94edc --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-f75283d3dcd3daad.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "37a5b7f3eb6aa71eebd550e43f16cdb298cb8f34ddc59b7d1d95476a1e4afa28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37a5b7f3eb6aa71eebd550e43f16cdb298cb8f34ddc59b7d1d95476a1e4afa28", kill_on_drop: false }`
[INFO] [stdout] 37a5b7f3eb6aa71eebd550e43f16cdb298cb8f34ddc59b7d1d95476a1e4afa28