[INFO] updating cached repository https://github.com/TheTriumvirate/reparser
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 59092cb6fe3645e77d70add0629d69eae4633fbd
[INFO] testing TheTriumvirate/reparser against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheTriumvirate%2Freparser" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TheTriumvirate/reparser on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TheTriumvirate/reparser
[INFO] finished tweaking git repo https://github.com/TheTriumvirate/reparser
[INFO] tweaked toml for git repo https://github.com/TheTriumvirate/reparser written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/TheTriumvirate/reparser already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b24c13bbbee44c4e621d3df3cacb9b2b81badb26d65894676b0a9a57852377d
[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" "6b24c13bbbee44c4e621d3df3cacb9b2b81badb26d65894676b0a9a57852377d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b24c13bbbee44c4e621d3df3cacb9b2b81badb26d65894676b0a9a57852377d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b24c13bbbee44c4e621d3df3cacb9b2b81badb26d65894676b0a9a57852377d", kill_on_drop: false }`
[INFO] [stdout] 6b24c13bbbee44c4e621d3df3cacb9b2b81badb26d65894676b0a9a57852377d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d57c94520ae5ad23e84fc851202e5be35747b0932e49d8903904321e58d90668
[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" "d57c94520ae5ad23e84fc851202e5be35747b0932e49d8903904321e58d90668", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling approx v0.3.1
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.26
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling colored v1.6.1
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]    Compiling alga v0.7.2
[INFO] [stderr]    Compiling generic-array v0.11.1
[INFO] [stderr]    Compiling nom v4.1.1
[INFO] [stderr]    Compiling nalgebra v0.16.12
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]    Compiling bincode v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.33
[INFO] [stderr]    Compiling failure v0.1.3
[INFO] [stderr]    Compiling structopt v0.2.14
[INFO] [stdout] error[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.16.12/src/base/cg.rs:291:44
[INFO] [stdout]     |
[INFO] [stdout] 291 |                 self[(j, i)] += shift[j] * self[(D::dim() - 1, i)];
[INFO] [stdout]     |                 ---------------------------^^^^-------------------
[INFO] [stdout]     |                 |                          |
[INFO] [stdout]     |                 |                          immutable borrow occurs here
[INFO] [stdout]     |                 mutable borrow occurs here
[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 `nalgebra`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "d57c94520ae5ad23e84fc851202e5be35747b0932e49d8903904321e58d90668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d57c94520ae5ad23e84fc851202e5be35747b0932e49d8903904321e58d90668", kill_on_drop: false }`
[INFO] [stdout] d57c94520ae5ad23e84fc851202e5be35747b0932e49d8903904321e58d90668