[INFO] updating cached repository https://github.com/FrontMage/rock
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c3e73b36f684fbd67143dba4712c1738e8b66174
[INFO] checking FrontMage/rock against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrontMage%2Frock" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FrontMage/rock on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/FrontMage/rock
[INFO] finished tweaking git repo https://github.com/FrontMage/rock
[INFO] tweaked toml for git repo https://github.com/FrontMage/rock written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/FrontMage/rock already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a6580e47815b0ddcacc1dfc751ada56e8cbad7cec32b8c008aebc951031da25d
[INFO] running `"docker" "start" "-a" "a6580e47815b0ddcacc1dfc751ada56e8cbad7cec32b8c008aebc951031da25d"`
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]     Checking matches v0.1.7
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling unicode-normalization v0.1.7
[INFO] [stderr]    Compiling byteorder v1.2.3
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]     Checking lazy_static v1.0.2
[INFO] [stderr]     Checking indexmap v1.0.1
[INFO] [stderr]    Compiling pear v0.0.19
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking yansi v0.4.0
[INFO] [stderr]    Compiling ordermap v0.2.13
[INFO] [stderr]     Checking try_from v0.2.2
[INFO] [stderr]     Checking md5 v0.3.7
[INFO] [stderr]     Checking separator v0.3.1
[INFO] [stderr]     Checking bufstream v0.1.3
[INFO] [stderr]     Checking data-encoding v2.1.1
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling isatty v0.1.8
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]    Compiling pear_codegen v0.0.19
[INFO] [stderr]    Compiling rocket v0.3.15
[INFO] [stderr]    Compiling rocket_codegen v0.3.15
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking rand v0.5.4
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]     Checking semver v0.8.0
[INFO] [stderr]     Checking aho-corasick v0.6.6
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling base64 v0.9.2
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking smallvec v0.6.3
[INFO] [stderr]    Compiling httparse v1.3.2
[INFO] [stderr]    Compiling quote v0.6.4
[INFO] [stderr]     Checking serde_json v1.0.24
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]    Compiling syn v0.14.5
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.0.19/src/lib.rs:1:45
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(plugin_registrar, rustc_private, quote)]
[INFO] [stderr]   |                                             ^^^^^ feature has been removed
[INFO] [stderr] 
[INFO] [stderr] error[E0462]: found staticlib `rustc` instead of rlib or dylib
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.0.19/src/lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | extern crate rustc;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: please recompile that crate using --crate-type lib
[INFO] [stderr]   = note: the following crate versions were found:
[INFO] [stderr]           crate `rustc`: /opt/rustwide/rustup-home/toolchains/209b2be09fcaff937480d1fbbe8b31646e361c7a/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-nightly_rt.asan.a
[INFO] [stderr]           crate `rustc`: /opt/rustwide/rustup-home/toolchains/209b2be09fcaff937480d1fbbe8b31646e361c7a/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-nightly_rt.tsan.a
[INFO] [stderr]           crate `rustc`: /opt/rustwide/rustup-home/toolchains/209b2be09fcaff937480d1fbbe8b31646e361c7a/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-nightly_rt.msan.a
[INFO] [stderr]           crate `rustc`: /opt/rustwide/rustup-home/toolchains/209b2be09fcaff937480d1fbbe8b31646e361c7a/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-nightly_rt.lsan.a
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0557`.
[INFO] [stderr] error: could not compile `pear_codegen`.
[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" "a6580e47815b0ddcacc1dfc751ada56e8cbad7cec32b8c008aebc951031da25d"`
[INFO] running `"docker" "rm" "-f" "a6580e47815b0ddcacc1dfc751ada56e8cbad7cec32b8c008aebc951031da25d"`
[INFO] [stdout] a6580e47815b0ddcacc1dfc751ada56e8cbad7cec32b8c008aebc951031da25d
