[INFO] cloning repository https://github.com/gmorenz/qc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gmorenz/qc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgmorenz%2Fqc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgmorenz%2Fqc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 01a8646d8f10a0bcd122938e8beefec31a06b2ae
[INFO] checking gmorenz/qc against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgmorenz%2Fqc" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gmorenz/qc on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gmorenz/qc
[INFO] finished tweaking git repo https://github.com/gmorenz/qc
[INFO] tweaked toml for git repo https://github.com/gmorenz/qc written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/gmorenz/qc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/gmorenz/druid`
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "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] 84ab34e8f46e589ad6e41e20bab7cf2c9840906f8307826671ceaf9a84cd8c9b
[INFO] running `Command { std: "docker" "start" "-a" "84ab34e8f46e589ad6e41e20bab7cf2c9840906f8307826671ceaf9a84cd8c9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84ab34e8f46e589ad6e41e20bab7cf2c9840906f8307826671ceaf9a84cd8c9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84ab34e8f46e589ad6e41e20bab7cf2c9840906f8307826671ceaf9a84cd8c9b", kill_on_drop: false }`
[INFO] [stdout] 84ab34e8f46e589ad6e41e20bab7cf2c9840906f8307826671ceaf9a84cd8c9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7748ef471f849207cf3e0549887008e1323b8308a5d7b96ed4ed2eb9be1c61c8
[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" "7748ef471f849207cf3e0549887008e1323b8308a5d7b96ed4ed2eb9be1c61c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]    Compiling anyhow v1.0.37
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling cairo-rs v0.9.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling gdk v0.13.2
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking xi-unicode v0.2.1
[INFO] [stderr]     Checking xmlparser v0.13.3
[INFO] [stderr]     Checking float-cmp v0.5.3
[INFO] [stderr]     Checking siphasher v0.2.3
[INFO] [stderr]     Checking rctree v0.3.3
[INFO] [stderr]     Checking xmlwriter v0.1.0
[INFO] [stderr]     Checking ttf-parser v0.6.2
[INFO] [stderr]     Checking unicode-script v0.5.2
[INFO] [stderr]     Checking pico-args v0.3.4
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking unicode-vo v0.1.0
[INFO] [stderr]     Checking fluent-syntax v0.9.3
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]    Compiling standback v0.2.14
[INFO] [stderr]    Compiling time v0.2.23
[INFO] [stderr]    Compiling im v15.0.0
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking kurbo v0.7.1
[INFO] [stderr]     Checking kurbo v0.6.3
[INFO] [stderr]     Checking unic-langid-impl v0.9.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking data-url v0.1.0
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking svgtypes v0.5.0
[INFO] [stderr]     Checking roxmltree v0.11.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking unic-langid v0.9.0
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking keyboard-types v0.5.0
[INFO] [stderr]     Checking fluent-langneg v0.13.0
[INFO] [stderr]     Checking intl_pluralrules v7.0.0
[INFO] [stderr]    Compiling harfbuzz-sys v0.4.1
[INFO] [stderr]    Compiling gtk v0.9.2
[INFO] [stderr]    Compiling freetype-sys v0.11.0
[INFO] [stderr]     Checking piet v0.2.0-pre6
[INFO] [stderr]     Checking simplecss v0.2.0
[INFO] [stderr]     Checking simple_logger v1.11.0
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking type-map v0.3.0
[INFO] [stderr]     Checking intl-memoizer v0.5.0
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking aljabar v1.0.2
[INFO] [stderr]     Checking freetype v0.5.1
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stdout] error: unconstrained generic constant
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/aljabar-1.0.2/src/vector.rs:173:30
[INFO] [stdout]     |
[INFO] [stdout] 173 |     pub fn truncate(self) -> (TruncatedVector<T, { N }>, T) {
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: try adding a `where` bound using this expression: `where [u8; { N - 1 }]: Sized`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/aljabar-1.0.2/src/vector.rs:225:57
[INFO] [stdout]     |
[INFO] [stdout] 225 | pub type TruncatedVector<T, const N: usize> = Vector<T, { N - 1 }>;
[INFO] [stdout]     |                                                         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unconstrained generic constant
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/aljabar-1.0.2/src/vector.rs:201:36
[INFO] [stdout]     |
[INFO] [stdout] 201 |     pub fn extend(self, new: T) -> ExtendedVector<T, { N }> {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: try adding a `where` bound using this expression: `where [u8; { N + 1 }]: Sized`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/aljabar-1.0.2/src/vector.rs:232:56
[INFO] [stdout]     |
[INFO] [stdout] 232 | pub type ExtendedVector<T, const N: usize> = Vector<T, { N + 1 }>;
[INFO] [stdout]     |                                                        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aljabar`
[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" "7748ef471f849207cf3e0549887008e1323b8308a5d7b96ed4ed2eb9be1c61c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7748ef471f849207cf3e0549887008e1323b8308a5d7b96ed4ed2eb9be1c61c8", kill_on_drop: false }`
[INFO] [stdout] 7748ef471f849207cf3e0549887008e1323b8308a5d7b96ed4ed2eb9be1c61c8