[INFO] fetching crate wamp 0.1.0... [INFO] checking wamp-0.1.0 against try#ffa4a0215752773248fb0f0a8092f1c3e7907e9e for pr-75585 [INFO] extracting crate wamp 0.1.0 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate wamp 0.1.0 on toolchain ffa4a0215752773248fb0f0a8092f1c3e7907e9e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate wamp 0.1.0 [INFO] removed path dependency rmp from crates.io crate wamp 0.1.0 [INFO] removed path dependency rmp-serde from crates.io crate wamp 0.1.0 [INFO] finished tweaking crates.io crate wamp 0.1.0 [INFO] tweaked toml for crates.io crate wamp 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rmp-serde v0.9.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "metadata" "--no-deps" "--format-version=1", 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] 2879551aa08d9aaa4825cdaa66f0203d91c46f9845ccd265d52cbb72a2302b5d [INFO] running `Command { std: "docker" "start" "-a" "2879551aa08d9aaa4825cdaa66f0203d91c46f9845ccd265d52cbb72a2302b5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2879551aa08d9aaa4825cdaa66f0203d91c46f9845ccd265d52cbb72a2302b5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2879551aa08d9aaa4825cdaa66f0203d91c46f9845ccd265d52cbb72a2302b5d", kill_on_drop: false }` [INFO] [stdout] 2879551aa08d9aaa4825cdaa66f0203d91c46f9845ccd265d52cbb72a2302b5d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c910c78c9a5ed3edd211b3ff552a489ab8481cbb1bcbb965e1dd106a93b6819c [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" "c910c78c9a5ed3edd211b3ff552a489ab8481cbb1bcbb965e1dd106a93b6819c", kill_on_drop: false }` [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Checking byteorder v0.4.2 [INFO] [stderr] Checking slab v0.1.3 [INFO] [stderr] Checking bytes v0.3.0 [INFO] [stderr] Checking serde v0.7.15 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking itoa v0.1.1 [INFO] [stderr] Compiling ws2_32-sys v0.2.1 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling libc v0.2.76 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking net2 v0.2.34 [INFO] [stderr] Checking nix v0.5.1 [INFO] [stderr] Checking syncbox v0.2.4 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking rmp v0.7.5 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Checking eventual v0.1.7 [INFO] [stderr] Checking miow v0.1.5 [INFO] [stderr] Checking url v2.1.1 [INFO] [stderr] Checking rmp-serde v0.9.6 [INFO] [stderr] Checking serde_json v0.7.4 [INFO] [stderr] Checking mio v0.5.1 [INFO] [stderr] Checking ws v0.5.3 [INFO] [stderr] Compiling syntex_pos v0.39.0 [INFO] [stderr] Compiling syntex_errors v0.39.0 [INFO] [stderr] Compiling syntex_syntax v0.39.0 [INFO] [stdout] error[E0502]: cannot borrow `cx.parse_sess.span_diagnostic` as immutable because it is also borrowed as mutable [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syntex_syntax-0.39.0/src/ext/expand.rs:659:25 [INFO] [stdout] | [INFO] [stdout] 649 | let mut expander = MacroExpander::new(&mut cx); [INFO] [stdout] | ------- mutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 659 | let err_count = cx.parse_sess.span_diagnostic.err_count(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ immutable borrow occurs here [INFO] [stdout] 660 | let mut ret = expander.fold_crate(c); [INFO] [stdout] | -------- mutable borrow later used here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0502`. [INFO] [stdout] [INFO] [stderr] error: could not compile `syntex_syntax`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "c910c78c9a5ed3edd211b3ff552a489ab8481cbb1bcbb965e1dd106a93b6819c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c910c78c9a5ed3edd211b3ff552a489ab8481cbb1bcbb965e1dd106a93b6819c", kill_on_drop: false }` [INFO] [stdout] c910c78c9a5ed3edd211b3ff552a489ab8481cbb1bcbb965e1dd106a93b6819c