[INFO] fetching crate mwmatching 0.1.1... [INFO] testing mwmatching-0.1.1 against 1.90.0 for beta-1.91-3 [INFO] extracting crate mwmatching 0.1.1 into /workspace/builds/worker-5-tc1/source [INFO] started tweaking crates.io crate mwmatching 0.1.1 [INFO] finished tweaking crates.io crate mwmatching 0.1.1 [INFO] tweaked toml for crates.io crate mwmatching 0.1.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate mwmatching 0.1.1 on toolchain 1.90.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3a23fefd4fd1ff216d83e1b21dbdbe8508f1be5e70288d14f580d158e2647fc7 [INFO] running `Command { std: "docker" "start" "-a" "3a23fefd4fd1ff216d83e1b21dbdbe8508f1be5e70288d14f580d158e2647fc7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3a23fefd4fd1ff216d83e1b21dbdbe8508f1be5e70288d14f580d158e2647fc7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a23fefd4fd1ff216d83e1b21dbdbe8508f1be5e70288d14f580d158e2647fc7", kill_on_drop: false }` [INFO] [stdout] 3a23fefd4fd1ff216d83e1b21dbdbe8508f1be5e70288d14f580d158e2647fc7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 95579c7544bdeea6013e772d3e87cdcd4cc0e5e77f39fec3e4c7ca3e60e68db9 [INFO] running `Command { std: "docker" "start" "-a" "95579c7544bdeea6013e772d3e87cdcd4cc0e5e77f39fec3e4c7ca3e60e68db9", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling mwmatching v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/lib.rs:1083:60 [INFO] [stdout] | [INFO] [stdout] 1083 | let actual_index = if index>= 0 {index as usize} else {(v.len()-(-index) as usize)}; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1083 - let actual_index = if index>= 0 {index as usize} else {(v.len()-(-index) as usize)}; [INFO] [stdout] 1083 + let actual_index = if index>= 0 {index as usize} else {v.len()-(-index) as usize}; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:744:25 [INFO] [stdout] | [INFO] [stdout] 744 | let mut k = p / 2; [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: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:852:29 [INFO] [stdout] | [INFO] [stdout] 852 | let mut k = p / 2; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.61s [INFO] running `Command { std: "docker" "inspect" "95579c7544bdeea6013e772d3e87cdcd4cc0e5e77f39fec3e4c7ca3e60e68db9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "95579c7544bdeea6013e772d3e87cdcd4cc0e5e77f39fec3e4c7ca3e60e68db9", kill_on_drop: false }` [INFO] [stdout] 95579c7544bdeea6013e772d3e87cdcd4cc0e5e77f39fec3e4c7ca3e60e68db9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8be246925782bff6ac364c81a81b9e843143de85a3fdde585eabd77ff69e9efc [INFO] running `Command { std: "docker" "start" "-a" "8be246925782bff6ac364c81a81b9e843143de85a3fdde585eabd77ff69e9efc", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/lib.rs:1083:60 [INFO] [stdout] | [INFO] [stdout] 1083 | let actual_index = if index>= 0 {index as usize} else {(v.len()-(-index) as usize)}; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1083 - let actual_index = if index>= 0 {index as usize} else {(v.len()-(-index) as usize)}; [INFO] [stdout] 1083 + let actual_index = if index>= 0 {index as usize} else {v.len()-(-index) as usize}; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:744:25 [INFO] [stdout] | [INFO] [stdout] 744 | let mut k = p / 2; [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: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:852:29 [INFO] [stdout] | [INFO] [stdout] 852 | let mut k = p / 2; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling mwmatching v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/lib.rs:1083:60 [INFO] [stdout] | [INFO] [stdout] 1083 | let actual_index = if index>= 0 {index as usize} else {(v.len()-(-index) as usize)}; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1083 - let actual_index = if index>= 0 {index as usize} else {(v.len()-(-index) as usize)}; [INFO] [stdout] 1083 + let actual_index = if index>= 0 {index as usize} else {v.len()-(-index) as usize}; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `rand` [INFO] [stdout] --> examples/largedata/main.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | extern crate rand; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> examples/largedata/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(rustc_private)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0463, E0554. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0463`. [INFO] [stdout] [INFO] [stderr] error: could not compile `mwmatching` (example "largedata") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:744:25 [INFO] [stdout] | [INFO] [stdout] 744 | let mut k = p / 2; [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: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:852:29 [INFO] [stdout] | [INFO] [stdout] 852 | let mut k = p / 2; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "8be246925782bff6ac364c81a81b9e843143de85a3fdde585eabd77ff69e9efc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8be246925782bff6ac364c81a81b9e843143de85a3fdde585eabd77ff69e9efc", kill_on_drop: false }` [INFO] [stdout] 8be246925782bff6ac364c81a81b9e843143de85a3fdde585eabd77ff69e9efc