[INFO] cloning repository https://github.com/shockham/leiners
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shockham/leiners" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshockham%2Fleiners", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshockham%2Fleiners'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bf35d44813edde661f16935f13f5a641de51e861
[INFO] testing shockham/leiners against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshockham%2Fleiners" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shockham/leiners on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shockham/leiners
[INFO] finished tweaking git repo https://github.com/shockham/leiners
[INFO] tweaked toml for git repo https://github.com/shockham/leiners written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/shockham/leiners already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.47.0" "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] e302a02507ec61c967c6f2a8089f00969eba5675a766e5537359a9ff5e8bc4f5
[INFO] running `Command { std: "docker" "start" "-a" "e302a02507ec61c967c6f2a8089f00969eba5675a766e5537359a9ff5e8bc4f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e302a02507ec61c967c6f2a8089f00969eba5675a766e5537359a9ff5e8bc4f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e302a02507ec61c967c6f2a8089f00969eba5675a766e5537359a9ff5e8bc4f5", kill_on_drop: false }`
[INFO] [stdout] e302a02507ec61c967c6f2a8089f00969eba5675a766e5537359a9ff5e8bc4f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cc0662d733950abf9c2fb7884157cb7cdafafd85c389c65042b2573579832bf
[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" "2cc0662d733950abf9c2fb7884157cb7cdafafd85c389c65042b2573579832bf", kill_on_drop: false }`
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[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]    Compiling nalgebra v0.17.3
[INFO] [stderr]    Compiling genmesh v0.6.2
[INFO] [stderr]    Compiling obj v0.9.1
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[INFO] [stderr]    Compiling rodio v0.8.1
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[INFO] [stderr]    Compiling impose v0.3.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.20
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[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling derive_builder_core v0.5.0
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[INFO] [stderr]    Compiling image v0.21.3
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[INFO] [stdout] error[E0502]: cannot borrow `b` as immutable because it is also borrowed as mutable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.17.3/src/sparse/cs_matrix_solve.rs:81:29
[INFO] [stdout]    |
[INFO] [stdout] 81 |                     b[i] -= b[j] * val;
[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[E0502]: cannot borrow `b` as immutable because it is also borrowed as mutable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.17.3/src/sparse/cs_matrix_solve.rs:122:39
[INFO] [stdout]     |
[INFO] [stdout] 122 |                         b[j] -= val * b[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[E0502]: cannot borrow `workspace` as immutable because it is also borrowed as mutable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.17.3/src/sparse/cs_matrix_solve.rs:181:33
[INFO] [stdout]     |
[INFO] [stdout] 181 |                 workspace[i] -= workspace[j] * val;
[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 3 previous errors
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2cc0662d733950abf9c2fb7884157cb7cdafafd85c389c65042b2573579832bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cc0662d733950abf9c2fb7884157cb7cdafafd85c389c65042b2573579832bf", kill_on_drop: false }`
[INFO] [stdout] 2cc0662d733950abf9c2fb7884157cb7cdafafd85c389c65042b2573579832bf
