[INFO] fetching crate optimath 0.3.0... [INFO] checking optimath-0.3.0 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744 [INFO] extracting crate optimath 0.3.0 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate optimath 0.3.0 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate optimath 0.3.0 [INFO] finished tweaking crates.io crate optimath 0.3.0 [INFO] tweaked toml for crates.io crate optimath 0.3.0 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a96a0340b8bde3729bcb6b0b2a50b27e18ca99163cc735f204e56590d6d6b387 [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" "a96a0340b8bde3729bcb6b0b2a50b27e18ca99163cc735f204e56590d6d6b387", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a96a0340b8bde3729bcb6b0b2a50b27e18ca99163cc735f204e56590d6d6b387", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a96a0340b8bde3729bcb6b0b2a50b27e18ca99163cc735f204e56590d6d6b387", kill_on_drop: false }` [INFO] [stdout] a96a0340b8bde3729bcb6b0b2a50b27e18ca99163cc735f204e56590d6d6b387 [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=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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 6eab560ec78bc80f13e10df956636ec944e410acc69d174b8383e0d705f5a535 [INFO] running `Command { std: "docker" "start" "-a" "6eab560ec78bc80f13e10df956636ec944e410acc69d174b8383e0d705f5a535", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Checking regex v1.4.5 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling crossbeam-utils v0.8.3 [INFO] [stderr] Compiling memoffset v0.6.3 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling cast v0.2.5 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling syn v1.0.69 [INFO] [stderr] Checking crossbeam-epoch v0.9.3 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking plotters v0.3.0 [INFO] [stderr] Checking bstr v0.2.15 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking optimath v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] error: `default` is only allowed on items in trait impls [INFO] [stdout] --> src/advanced.rs:20:2 [INFO] [stdout] | [INFO] [stdout] 20 | pub default fn matrix_multiply( [INFO] [stdout] | ^ ------- `default` because of this [INFO] [stdout] | _____| [INFO] [stdout] | | [INFO] [stdout] 21 | | &'a self, [INFO] [stdout] 22 | | other: &'b Matrix, [INFO] [stdout] 23 | | ) -> Matrix { [INFO] [stdout] ... | [INFO] [stdout] 40 | | output [INFO] [stdout] 41 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `default` is only allowed on items in trait impls [INFO] [stdout] --> src/advanced.rs:49:2 [INFO] [stdout] | [INFO] [stdout] 49 | pub default fn dot(self, other: &'b Vector) -> T { (self * other).into_iter().sum() } [INFO] [stdout] | ^^^^-------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | `default` because of this [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `default` is only allowed on items in trait impls [INFO] [stdout] --> src/advanced.rs:57:2 [INFO] [stdout] | [INFO] [stdout] 57 | pub default fn dot(&'a self, other: &'b Vector) -> T { (self * other).into_iter().sum() } [INFO] [stdout] | ^^^^-------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | `default` because of this [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: constant expression depends on a generic parameter [INFO] [stdout] --> src/dimensional.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | inner: ICEAvoider, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this may fail depending on what value the parameter takes [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `optimath` [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" "6eab560ec78bc80f13e10df956636ec944e410acc69d174b8383e0d705f5a535", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6eab560ec78bc80f13e10df956636ec944e410acc69d174b8383e0d705f5a535", kill_on_drop: false }` [INFO] [stdout] 6eab560ec78bc80f13e10df956636ec944e410acc69d174b8383e0d705f5a535