[INFO] cloning repository https://github.com/Terkwood/hello-quicksilver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Terkwood/hello-quicksilver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTerkwood%2Fhello-quicksilver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTerkwood%2Fhello-quicksilver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8903409b472bf6edddba7f8cbf5720e5e321c586
[INFO] checking Terkwood/hello-quicksilver/8903409b472bf6edddba7f8cbf5720e5e321c586 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTerkwood%2Fhello-quicksilver" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Terkwood/hello-quicksilver on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Terkwood/hello-quicksilver
[INFO] finished tweaking git repo https://github.com/Terkwood/hello-quicksilver
[INFO] tweaked toml for git repo https://github.com/Terkwood/hello-quicksilver written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Terkwood/hello-quicksilver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 711144587b6d26d115c8eb9dbc32c37c076b06c3464d754cfff73ec3319671a6
[INFO] running `Command { std: "docker" "start" "-a" "711144587b6d26d115c8eb9dbc32c37c076b06c3464d754cfff73ec3319671a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "711144587b6d26d115c8eb9dbc32c37c076b06c3464d754cfff73ec3319671a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "711144587b6d26d115c8eb9dbc32c37c076b06c3464d754cfff73ec3319671a6", kill_on_drop: false }`
[INFO] [stdout] 711144587b6d26d115c8eb9dbc32c37c076b06c3464d754cfff73ec3319671a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 975056f2bcbd794c1aee89b4ea874cd0ec3a092a7eb9b4fdc778dade3d72b296
[INFO] running `Command { std: "docker" "start" "-a" "975056f2bcbd794c1aee89b4ea874cd0ec3a092a7eb9b4fdc778dade3d72b296", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling cc v1.0.31
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]     Checking num-traits v0.1.43
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[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling num-complex v0.2.1
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[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]     Checking phf_shared v0.7.24
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[INFO] [stderr]     Checking wayland-client v0.21.11
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[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]     Checking lyon v0.11.0
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking discard v1.0.4
[INFO] [stderr]     Checking immi v1.0.4
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking wayland-protocols v0.21.11
[INFO] [stderr]     Checking rodio v0.8.1
[INFO] [stderr]     Checking gilrs v0.6.3
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.5
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stdout] error[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/nalgebra-0.17.2/src/base/cg.rs:297:44
[INFO] [stdout]     |
[INFO] [stdout] 297 |                 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] help: try adding a local storing this...
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/nalgebra-0.17.2/src/base/cg.rs:297:48
[INFO] [stdout]     |
[INFO] [stdout] 297 |                 self[(j, i)] += shift[j] * self[(D::dim() - 1, i)];
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: ...and then using that local here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/nalgebra-0.17.2/src/base/cg.rs:297:17
[INFO] [stdout]     |
[INFO] [stdout] 297 |                 self[(j, i)] += shift[j] * self[(D::dim() - 1, i)];
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking image v0.20.1
[INFO] [stdout] error: aborting due to 1 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` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "975056f2bcbd794c1aee89b4ea874cd0ec3a092a7eb9b4fdc778dade3d72b296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "975056f2bcbd794c1aee89b4ea874cd0ec3a092a7eb9b4fdc778dade3d72b296", kill_on_drop: false }`
[INFO] [stdout] 975056f2bcbd794c1aee89b4ea874cd0ec3a092a7eb9b4fdc778dade3d72b296