[INFO] fetching crate permu-rs 0.2.0... [INFO] checking permu-rs-0.2.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] extracting crate permu-rs 0.2.0 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate permu-rs 0.2.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate permu-rs 0.2.0 [INFO] finished tweaking crates.io crate permu-rs 0.2.0 [INFO] tweaked toml for crates.io crate permu-rs 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7a2526fc31779fe8a8cdab78522313276448f0b12cc91a4286aa5187427be80a [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" "7a2526fc31779fe8a8cdab78522313276448f0b12cc91a4286aa5187427be80a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7a2526fc31779fe8a8cdab78522313276448f0b12cc91a4286aa5187427be80a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a2526fc31779fe8a8cdab78522313276448f0b12cc91a4286aa5187427be80a", kill_on_drop: false }` [INFO] [stdout] 7a2526fc31779fe8a8cdab78522313276448f0b12cc91a4286aa5187427be80a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a3fceba976c44f3295d24d499b76b56ac5448030403a619fcd33dae1cce86e14 [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" "a3fceba976c44f3295d24d499b76b56ac5448030403a619fcd33dae1cce86e14", kill_on_drop: false }` [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking permu-rs v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/problems.rs:484:13 [INFO] [stdout] | [INFO] [stdout] 484 | let mut permu = Permutation::::from_vec_unsec( [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> benches/bench.rs:21:31 [INFO] [stdout] | [INFO] [stdout] 21 | Population::sample(distr, samples); [INFO] [stdout] | ^^^^^^^ expected enum `Distribution`, found struct `PermuPopulation` [INFO] [stdout] | [INFO] [stdout] = note: expected mutable reference `&mut Distribution` [INFO] [stdout] found mutable reference `&mut PermuPopulation` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `Distribution: Population<_>` is not satisfied [INFO] [stdout] --> benches/bench.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | Population::sample(distr, samples); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ the trait `Population<_>` is not implemented for `Distribution` [INFO] [stdout] | [INFO] [stdout] = note: required by `permu_rs::Population::sample` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0308. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `permu-rs` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "a3fceba976c44f3295d24d499b76b56ac5448030403a619fcd33dae1cce86e14", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3fceba976c44f3295d24d499b76b56ac5448030403a619fcd33dae1cce86e14", kill_on_drop: false }` [INFO] [stdout] a3fceba976c44f3295d24d499b76b56ac5448030403a619fcd33dae1cce86e14