[INFO] fetching crate html5ever_dom_sink 0.2.0...
[INFO] checking html5ever_dom_sink-0.2.0 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate html5ever_dom_sink 0.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate html5ever_dom_sink 0.2.0 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate html5ever_dom_sink 0.2.0
[INFO] removed path dependency html5ever from crates.io crate html5ever_dom_sink 0.2.0
[INFO] removed path dependency html5ever_test_util from crates.io crate html5ever_dom_sink 0.2.0
[INFO] finished tweaking crates.io crate html5ever_dom_sink 0.2.0
[INFO] tweaked toml for crates.io crate html5ever_dom_sink 0.2.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34b8f381f3cc7a270907e535acfe6f7ce3a77fac3dcffadd1b5103365df8aa4e
[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" "34b8f381f3cc7a270907e535acfe6f7ce3a77fac3dcffadd1b5103365df8aa4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34b8f381f3cc7a270907e535acfe6f7ce3a77fac3dcffadd1b5103365df8aa4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34b8f381f3cc7a270907e535acfe6f7ce3a77fac3dcffadd1b5103365df8aa4e", kill_on_drop: false }`
[INFO] [stdout] 34b8f381f3cc7a270907e535acfe6f7ce3a77fac3dcffadd1b5103365df8aa4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "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] b9be2aca2f5022a4bb81795fc44f736437601f8d073d6c3fbdddbf1ebc2275f2
[INFO] running `Command { std: "docker" "start" "-a" "b9be2aca2f5022a4bb81795fc44f736437601f8d073d6c3fbdddbf1ebc2275f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking siphasher v0.3.3
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking rc v0.1.1
[INFO] [stderr]    Compiling mac v0.0.2
[INFO] [stderr]    Compiling lazy_static v0.1.16
[INFO] [stderr]     Checking html5ever_test_util v0.1.0
[INFO] [stderr]    Compiling standback v0.2.14
[INFO] [stderr]    Compiling time v0.2.25
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling debug_unreachable v0.0.6
[INFO] [stderr]     Checking debug_unreachable v0.1.1
[INFO] [stderr]     Checking phf_shared v0.7.24
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking tendril v0.1.6
[INFO] [stderr]     Checking string_cache v0.8.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache v0.2.29
[INFO] [stderr]    Compiling string_cache_shared v0.1.12
[INFO] [stderr]    Compiling html5ever v0.2.11
[INFO] [stderr]    Compiling string_cache_plugin v0.1.10
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/string_cache_plugin-0.1.10/src/lib.rs:13:30
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(plugin_registrar, quote, box_syntax)]
[INFO] [stdout]    |                              ^^^^^ feature has been removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/string_cache_plugin-0.1.10/src/lib.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | extern crate syntax;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0463, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `string_cache_plugin`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b9be2aca2f5022a4bb81795fc44f736437601f8d073d6c3fbdddbf1ebc2275f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9be2aca2f5022a4bb81795fc44f736437601f8d073d6c3fbdddbf1ebc2275f2", kill_on_drop: false }`
[INFO] [stdout] b9be2aca2f5022a4bb81795fc44f736437601f8d073d6c3fbdddbf1ebc2275f2