[INFO] fetching crate aljabar 1.0.2... [INFO] checking aljabar-1.0.2 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863 [INFO] extracting crate aljabar 1.0.2 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate aljabar 1.0.2 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate aljabar 1.0.2 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate aljabar 1.0.2 [INFO] tweaked toml for crates.io crate aljabar 1.0.2 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5d2ed87d071d46b35319f12523def2ef6c108f3d34c49a6459d919658a9c6f66 [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" "5d2ed87d071d46b35319f12523def2ef6c108f3d34c49a6459d919658a9c6f66", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5d2ed87d071d46b35319f12523def2ef6c108f3d34c49a6459d919658a9c6f66", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d2ed87d071d46b35319f12523def2ef6c108f3d34c49a6459d919658a9c6f66", kill_on_drop: false }` [INFO] [stdout] 5d2ed87d071d46b35319f12523def2ef6c108f3d34c49a6459d919658a9c6f66 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3f8811d3d602aaa5f50dcc40e1043efe296d2d8b0e618d8c6ac020e0149b6e68 [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" "3f8811d3d602aaa5f50dcc40e1043efe296d2d8b0e618d8c6ac020e0149b6e68", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde v1.0.123 [INFO] [stderr] Compiling serde_json v1.0.62 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling paste-impl v0.1.18 [INFO] [stderr] Checking approx v0.3.2 [INFO] [stderr] Checking paste v0.1.18 [INFO] [stderr] Checking aljabar v1.0.2 (/opt/rustwide/workdir) [INFO] [stdout] error: unconstrained generic constant [INFO] [stdout] --> src/vector.rs:173:30 [INFO] [stdout] | [INFO] [stdout] 173 | pub fn truncate(self) -> (TruncatedVector, T) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: try adding a `where` bound using this expression: `where [u8; { N - 1 }]: Sized` [INFO] [stdout] --> src/vector.rs:225:57 [INFO] [stdout] | [INFO] [stdout] 225 | pub type TruncatedVector = Vector; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: unconstrained generic constant [INFO] [stdout] --> src/vector.rs:201:36 [INFO] [stdout] | [INFO] [stdout] 201 | pub fn extend(self, new: T) -> ExtendedVector { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: try adding a `where` bound using this expression: `where [u8; { N + 1 }]: Sized` [INFO] [stdout] --> src/vector.rs:232:56 [INFO] [stdout] | [INFO] [stdout] 232 | pub type ExtendedVector = Vector; [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" "3f8811d3d602aaa5f50dcc40e1043efe296d2d8b0e618d8c6ac020e0149b6e68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f8811d3d602aaa5f50dcc40e1043efe296d2d8b0e618d8c6ac020e0149b6e68", kill_on_drop: false }` [INFO] [stdout] 3f8811d3d602aaa5f50dcc40e1043efe296d2d8b0e618d8c6ac020e0149b6e68