[INFO] fetching crate jit 0.9.1...
[INFO] checking jit-0.9.1 against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] extracting crate jit 0.9.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate jit 0.9.1 on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jit 0.9.1
[INFO] removed path dependency libjit-sys from crates.io crate jit 0.9.1
[INFO] removed path dependency jit_macros from crates.io crate jit 0.9.1
[INFO] finished tweaking crates.io crate jit 0.9.1
[INFO] tweaked toml for crates.io crate jit 0.9.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "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" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91131094ef4005bdb2aed3eda6d8a2a42aae80a41ac12f5d173236e7bb51f6ef
[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" "91131094ef4005bdb2aed3eda6d8a2a42aae80a41ac12f5d173236e7bb51f6ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91131094ef4005bdb2aed3eda6d8a2a42aae80a41ac12f5d173236e7bb51f6ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91131094ef4005bdb2aed3eda6d8a2a42aae80a41ac12f5d173236e7bb51f6ef", kill_on_drop: false }`
[INFO] [stdout] 91131094ef4005bdb2aed3eda6d8a2a42aae80a41ac12f5d173236e7bb51f6ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "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] 152e86bce99a48f5339e10cd34fb39027dbd1847178c8f38c333be7aa2be7cbb
[INFO] running `Command { std: "docker" "start" "-a" "152e86bce99a48f5339e10cd34fb39027dbd1847178c8f38c333be7aa2be7cbb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libjit-sys v0.2.1
[INFO] [stderr]     Checking jit_macros v0.0.9
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/jit_macros-0.0.9/src/macros.rs:1:45
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(rustc_private, plugin_registrar, quote, plugin)]
[INFO] [stdout]   |                                             ^^^^^ feature has been removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0457]: plugin `matches` only found in rlib format, but must be available in dylib format
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/jit_macros-0.0.9/src/macros.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![plugin(matches)]
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jit_macros`
[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" "152e86bce99a48f5339e10cd34fb39027dbd1847178c8f38c333be7aa2be7cbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "152e86bce99a48f5339e10cd34fb39027dbd1847178c8f38c333be7aa2be7cbb", kill_on_drop: false }`
[INFO] [stdout] 152e86bce99a48f5339e10cd34fb39027dbd1847178c8f38c333be7aa2be7cbb