[INFO] updating cached repository https://github.com/m-r-hunt/beneath_the_sands
[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] 1f4da540cf19dafe67df2a2067e550bcde7bc2c4
[INFO] checking m-r-hunt/beneath_the_sands against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm-r-hunt%2Fbeneath_the_sands" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/m-r-hunt/beneath_the_sands on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/m-r-hunt/beneath_the_sands
[INFO] finished tweaking git repo https://github.com/m-r-hunt/beneath_the_sands
[INFO] tweaked toml for git repo https://github.com/m-r-hunt/beneath_the_sands written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/m-r-hunt/beneath_the_sands already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "/opt/rustwide/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 84e5d12833c11760789a08932eb22e66d1d7044f7356f255353abcfa76a66cec
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "84e5d12833c11760789a08932eb22e66d1d7044f7356f255353abcfa76a66cec"`
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]    Compiling serde v1.0.88
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[INFO] [stderr]    Compiling ucd-trie v0.1.1
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]     Checking error-chain v0.11.0
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[INFO] [stderr]     Checking crossbeam-utils v0.5.0
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[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling quick-error v1.2.2
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[INFO] [stderr]     Checking crossbeam v0.4.1
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking nalgebra v0.17.2
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[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking shred v0.7.1
[INFO] [stderr]     Checking hibitset v0.5.4
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.88
[INFO] [stderr]    Compiling pest_derive v2.1.0
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[INFO] [stderr]    Compiling shred-derive v0.5.1
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[INFO] [stderr] error[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.17.2/src/base/cg.rs:297:44
[INFO] [stderr]     |
[INFO] [stderr] 297 |                 self[(j, i)] += shift[j] * self[(D::dim() - 1, i)];
[INFO] [stderr]     |                 ---------------------------^^^^-------------------
[INFO] [stderr]     |                 |                          |
[INFO] [stderr]     |                 |                          immutable borrow occurs here
[INFO] [stderr]     |                 mutable borrow occurs here
[INFO] [stderr]     |                 mutable borrow later used here
[INFO] [stderr] 
[INFO] [stderr]    Compiling serde_json v1.0.38
[INFO] [stderr]    Compiling ron v0.4.1
[INFO] [stderr]    Compiling handlebars v1.1.0
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0502`.
[INFO] [stderr] error: could not compile `nalgebra`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "84e5d12833c11760789a08932eb22e66d1d7044f7356f255353abcfa76a66cec"`
[INFO] running `"docker" "rm" "-f" "84e5d12833c11760789a08932eb22e66d1d7044f7356f255353abcfa76a66cec"`
[INFO] [stdout] 84e5d12833c11760789a08932eb22e66d1d7044f7356f255353abcfa76a66cec