[INFO] updating cached repository https://github.com/akiradeveloper/rust-comp-snippets
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fabb6a9811a955db3546f682679010e61022c472
[INFO] testing akiradeveloper/rust-comp-snippets against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakiradeveloper%2Frust-comp-snippets" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/akiradeveloper/rust-comp-snippets on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/akiradeveloper/rust-comp-snippets
[INFO] finished tweaking git repo https://github.com/akiradeveloper/rust-comp-snippets
[INFO] tweaked toml for git repo https://github.com/akiradeveloper/rust-comp-snippets written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/akiradeveloper/rust-comp-snippets already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df37c4c42cc151d6f155bf6d4f34863a2727bbf499bce1674d7681267f7b7a77
[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" "df37c4c42cc151d6f155bf6d4f34863a2727bbf499bce1674d7681267f7b7a77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df37c4c42cc151d6f155bf6d4f34863a2727bbf499bce1674d7681267f7b7a77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df37c4c42cc151d6f155bf6d4f34863a2727bbf499bce1674d7681267f7b7a77", kill_on_drop: false }`
[INFO] [stdout] df37c4c42cc151d6f155bf6d4f34863a2727bbf499bce1674d7681267f7b7a77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db68f5b073297e99e306d146835c3edb08a208f98896a50d4dfe4448f15861d4
[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" "db68f5b073297e99e306d146835c3edb08a208f98896a50d4dfe4448f15861d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-snippet v0.5.0
[INFO] [stderr]    Compiling rust-comp-snippets v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(custom_inner_attributes)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(plugin)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(proc_macro_hygiene)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/graph/lca.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |         if (v0 == v1) {
[INFO] [stdout]    |            ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/graph/dijkstra_queue.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `max`, `min`
[INFO] [stdout]  --> src/macros.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::{max,min};
[INFO] [stdout]   |                ^^^ ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]  --> src/macros.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / macro_rules! chmax {
[INFO] [stdout] 4 | |     ($x:expr, $($v:expr),+) => {
[INFO] [stdout] 5 | |         $(
[INFO] [stdout] 6 | |             $x = std::cmp::max($x,$v);
[INFO] [stdout] 7 | |         )+
[INFO] [stdout] 8 | |     };
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/macros.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / macro_rules! chmin {
[INFO] [stdout] 11 | |     ($x:expr, $($v:expr),+) => {
[INFO] [stdout] 12 | |         $(
[INFO] [stdout] 13 | |             $x = std::cmp::min($x,$v);
[INFO] [stdout] 14 | |         )+
[INFO] [stdout] 15 | |     };
[INFO] [stdout] 16 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/macros.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | / macro_rules! max {
[INFO] [stdout] 18 | |     ($x:expr) => ( $x );
[INFO] [stdout] 19 | |     ($x:expr, $($xs:expr),+) => {
[INFO] [stdout] 20 | |         std::cmp::max($x, max!( $($xs),+ ))
[INFO] [stdout] 21 | |     };
[INFO] [stdout] 22 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/macros.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | / macro_rules! min {
[INFO] [stdout] 24 | |     ($x:expr) => ( $x );
[INFO] [stdout] 25 | |     ($x:expr, $($xs:expr),+) => {
[INFO] [stdout] 26 | |         std::cmp::min($x, min!( $($xs),+ ))
[INFO] [stdout] 27 | |     };
[INFO] [stdout] 28 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ntt_heia`, `ntt_yuya178`
[INFO] [stdout]    --> src/ntt.rs:178:22
[INFO] [stdout]     |
[INFO] [stdout] 178 | use crate::ntt_ext::{ntt_heia, ntt_yuya178};
[INFO] [stdout]     |                      ^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::fft`
[INFO] [stdout]    --> src/ntt.rs:255:5
[INFO] [stdout]     |
[INFO] [stdout] 255 | use crate::fft;
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `MAX_RUQ` should have an upper camel case name
[INFO] [stdout]    --> src/seg_lazy.rs:108:8
[INFO] [stdout]     |
[INFO] [stdout] 108 | struct MAX_RUQ;
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to upper camel case: `MaxRuq`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `MIN_RUQ` should have an upper camel case name
[INFO] [stdout]    --> src/seg_lazy.rs:144:8
[INFO] [stdout]     |
[INFO] [stdout] 144 | struct MIN_RUQ;
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to upper camel case: `MinRuq`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `SUM_RUQ` should have an upper camel case name
[INFO] [stdout]    --> src/seg_lazy.rs:181:8
[INFO] [stdout]     |
[INFO] [stdout] 181 | struct SUM_RUQ;
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to upper camel case: `SumRuq`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `SUM_RAQ` should have an upper camel case name
[INFO] [stdout]    --> src/seg_lazy.rs:218:8
[INFO] [stdout]     |
[INFO] [stdout] 218 | struct SUM_RAQ;
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to upper camel case: `SumRaq`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `MAX_RAQ` should have an upper camel case name
[INFO] [stdout]    --> src/seg_lazy.rs:255:8
[INFO] [stdout]     |
[INFO] [stdout] 255 | struct MAX_RAQ;
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to upper camel case: `MaxRaq`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `MIN_RAQ` should have an upper camel case name
[INFO] [stdout]    --> src/seg_lazy.rs:278:8
[INFO] [stdout]     |
[INFO] [stdout] 278 | struct MIN_RAQ;
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to upper camel case: `MinRaq`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BTreeMap`, `BTreeSet`
[INFO] [stdout]  --> src/skiplist.rs:6:28
[INFO] [stdout]   |
[INFO] [stdout] 6 |     use std::collections::{BTreeMap, BTreeSet};
[INFO] [stdout]   |                            ^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `skiplist::*`
[INFO] [stdout]    --> src/skiplist.rs:430:5
[INFO] [stdout]     |
[INFO] [stdout] 430 | use skiplist::*;
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeSet`
[INFO] [stdout]    --> src/skiplist.rs:431:5
[INFO] [stdout]     |
[INFO] [stdout] 431 | use std::collections::BTreeSet;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::slice::<impl [T]>::connect': renamed to join
[INFO] [stdout]   --> src/skiplist.rs:61:34
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 println!("{}",ss.connect(","));
[INFO] [stdout]    |                                  ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-comp-snippets`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "db68f5b073297e99e306d146835c3edb08a208f98896a50d4dfe4448f15861d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db68f5b073297e99e306d146835c3edb08a208f98896a50d4dfe4448f15861d4", kill_on_drop: false }`
[INFO] [stdout] db68f5b073297e99e306d146835c3edb08a208f98896a50d4dfe4448f15861d4