[INFO] crate google-dfareporting2 0.1.5+20150326 is already in cache
[INFO] testing google-dfareporting2-0.1.5+20150326 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate google-dfareporting2 0.1.5+20150326 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate google-dfareporting2 0.1.5+20150326 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate google-dfareporting2 0.1.5+20150326
[INFO] finished tweaking crates.io crate google-dfareporting2 0.1.5+20150326
[INFO] tweaked toml for crates.io crate google-dfareporting2 0.1.5+20150326 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 42701422d36c53be01f49198351af2ba4c359b793c6ecda75278401a03b12b52
[INFO] running `"docker" "start" "-a" "42701422d36c53be01f49198351af2ba4c359b793c6ecda75278401a03b12b52"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling futures-core v0.3.4
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling untrusted v0.7.0
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling pin-project-lite v0.1.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling futures-task v0.3.4
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling futures-sink v0.3.4
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling smallvec v1.3.0
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling aster v0.27.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling tower-service v0.3.0
[INFO] [stderr] error[E0463]: can't find crate for `syntax`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/aster-0.27.0/src/lib.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | extern crate syntax;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `aster`.
[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 `"docker" "inspect" "42701422d36c53be01f49198351af2ba4c359b793c6ecda75278401a03b12b52"`
[INFO] running `"docker" "rm" "-f" "42701422d36c53be01f49198351af2ba4c359b793c6ecda75278401a03b12b52"`
[INFO] [stdout] 42701422d36c53be01f49198351af2ba4c359b793c6ecda75278401a03b12b52