[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#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgmorenz%2Fqc" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gmorenz/qc on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "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-12/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" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/gmorenz/druid`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded intl-memoizer v0.5.0
[INFO] [stderr]   Downloaded unic-common v0.9.0
[INFO] [stderr]   Downloaded unic-bidi v0.9.0
[INFO] [stderr]   Downloaded unic-char-range v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-bidi v0.9.0
[INFO] [stderr]   Downloaded console_log v0.2.0
[INFO] [stderr]   Downloaded gdk-pixbuf v0.9.0
[INFO] [stderr]   Downloaded atk v0.9.0
[INFO] [stderr]   Downloaded gdk v0.13.2
[INFO] [stderr]   Downloaded gio v0.9.1
[INFO] [stderr]   Downloaded simple_logger v1.11.0
[INFO] [stderr]   Downloaded smallvec v1.6.0
[INFO] [stderr]   Downloaded tinystr v0.3.4
[INFO] [stderr]   Downloaded kurbo v0.6.3
[INFO] [stderr]   Downloaded fluent-bundle v0.12.0
[INFO] [stderr]   Downloaded fluent-langneg v0.13.0
[INFO] [stderr]   Downloaded rental-impl v0.5.5
[INFO] [stderr]   Downloaded piet v0.2.0-pre6
[INFO] [stderr]   Downloaded utf16_lit v1.0.1
[INFO] [stderr]   Downloaded unic-ucd-version v0.9.0
[INFO] [stderr]   Downloaded kurbo v0.7.1
[INFO] [stderr]   Downloaded piet-direct2d v0.2.0-pre6
[INFO] [stderr]   Downloaded rental v0.5.5
[INFO] [stderr]   Downloaded strum v0.18.0
[INFO] [stderr]   Downloaded cairo-sys-rs v0.10.0
[INFO] [stderr]   Downloaded cairo-rs v0.9.1
[INFO] [stderr]   Downloaded gdk-sys v0.10.0
[INFO] [stderr]   Downloaded gtk-sys v0.10.0
[INFO] [stderr]   Downloaded keyboard-types v0.5.0
[INFO] [stderr]   Downloaded gio-sys v0.10.1
[INFO] [stderr]   Downloaded pango-sys v0.10.0
[INFO] [stderr]   Downloaded piet-cairo v0.2.0-pre6
[INFO] [stderr]   Downloaded glib-macros v0.10.1
[INFO] [stderr]   Downloaded freetype-sys v0.11.0
[INFO] [stderr]   Downloaded glib v0.10.3
[INFO] [stderr]   Downloaded glib-sys v0.10.1
[INFO] [stderr]   Downloaded aljabar v1.0.2
[INFO] [stderr]   Downloaded harfbuzz-sys v0.4.1
[INFO] [stderr]   Downloaded gobject-sys v0.10.0
[INFO] [stderr]   Downloaded system-deps v1.3.2
[INFO] [stderr]   Downloaded core-graphics-types v0.1.1
[INFO] [stderr]   Downloaded core-text v19.1.0
[INFO] [stderr]   Downloaded type-map v0.3.0
[INFO] [stderr]   Downloaded fluent-syntax v0.9.3
[INFO] [stderr]   Downloaded freetype v0.5.1
[INFO] [stderr]   Downloaded usvg v0.10.0
[INFO] [stderr]   Downloaded unic-langid-impl v0.9.0
[INFO] [stderr]   Downloaded unic-langid v0.9.0
[INFO] [stderr]   Downloaded cmake v0.1.45
[INFO] [stderr]   Downloaded gtk v0.9.2
[INFO] [stderr]   Downloaded const_fn v0.4.4
[INFO] [stderr]   Downloaded xmlparser v0.13.3
[INFO] [stderr]   Downloaded im v15.0.0
[INFO] [stderr]   Downloaded unic-char-property v0.9.0
[INFO] [stderr]   Downloaded pango v0.9.1
[INFO] [stderr]   Downloaded atk-sys v0.10.0
[INFO] [stderr]   Downloaded gdk-pixbuf-sys v0.10.0
[INFO] [stderr]   Downloaded associative-cache v1.0.1
[INFO] [stderr]   Downloaded piet-coregraphics v0.2.0-pre6
[INFO] [stderr]   Downloaded piet-common v0.2.0-pre6
[INFO] [stderr]   Downloaded piet-web v0.2.0-pre6
[INFO] [stderr]   Downloaded intl_pluralrules v7.0.0
[INFO] [stderr]   Downloaded pico-args v0.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "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] ba35a59125d5aaa58ba037be68bfcc80e85c4c8fd38f59a03dc9c0a2b569f76a
[INFO] running `Command { std: "docker" "start" "-a" "ba35a59125d5aaa58ba037be68bfcc80e85c4c8fd38f59a03dc9c0a2b569f76a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba35a59125d5aaa58ba037be68bfcc80e85c4c8fd38f59a03dc9c0a2b569f76a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba35a59125d5aaa58ba037be68bfcc80e85c4c8fd38f59a03dc9c0a2b569f76a", kill_on_drop: false }`
[INFO] [stdout] ba35a59125d5aaa58ba037be68bfcc80e85c4c8fd38f59a03dc9c0a2b569f76a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5d4d5ac0fdd2799475a132bcecdc55f36213a05369ff84bfc35c624a4a1e733
[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" "d5d4d5ac0fdd2799475a132bcecdc55f36213a05369ff84bfc35c624a4a1e733", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling cairo-rs v0.9.1
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking tinystr v0.3.4
[INFO] [stderr]    Compiling gio v0.9.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling gdk-pixbuf v0.9.0
[INFO] [stderr]    Compiling pango v0.9.1
[INFO] [stderr]    Compiling gdk v0.13.2
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling atk v0.9.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking xi-unicode v0.2.1
[INFO] [stderr]     Checking siphasher v0.2.3
[INFO] [stderr]     Checking xmlparser v0.13.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking fluent-syntax v0.9.3
[INFO] [stderr]     Checking pico-args v0.3.4
[INFO] [stderr]     Checking ttf-parser v0.6.2
[INFO] [stderr]     Checking base64 v0.12.3
[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 gtk v0.9.2
[INFO] [stderr]    Compiling im v15.0.0
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking unic-langid-impl v0.9.0
[INFO] [stderr]     Checking data-url v0.1.0
[INFO] [stderr]     Checking svgtypes v0.5.0
[INFO] [stderr]     Checking kurbo v0.7.1
[INFO] [stderr]     Checking kurbo v0.6.3
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling anyhow v1.0.37
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking roxmltree v0.11.0
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking keyboard-types v0.5.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking unic-langid v0.9.0
[INFO] [stderr]     Checking simplecss v0.2.0
[INFO] [stderr]     Checking simple_logger v1.11.0
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]     Checking type-map v0.3.0
[INFO] [stderr]     Checking piet v0.2.0-pre6
[INFO] [stderr]     Checking intl_pluralrules v7.0.0
[INFO] [stderr]     Checking fluent-langneg v0.13.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking intl-memoizer v0.5.0
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]    Compiling freetype-sys v0.11.0
[INFO] [stderr]    Compiling harfbuzz-sys v0.4.1
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking aljabar v1.0.2
[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" "d5d4d5ac0fdd2799475a132bcecdc55f36213a05369ff84bfc35c624a4a1e733", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5d4d5ac0fdd2799475a132bcecdc55f36213a05369ff84bfc35c624a4a1e733", kill_on_drop: false }`
[INFO] [stdout] d5d4d5ac0fdd2799475a132bcecdc55f36213a05369ff84bfc35c624a4a1e733