[INFO] cloning repository https://github.com/gokjer/rust-dnd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gokjer/rust-dnd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgokjer%2Frust-dnd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgokjer%2Frust-dnd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cf8b4d178b0e0d7966774407a8090d5a4cbf241c
[INFO] checking gokjer/rust-dnd against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgokjer%2Frust-dnd" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gokjer/rust-dnd on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gokjer/rust-dnd
[INFO] finished tweaking git repo https://github.com/gokjer/rust-dnd
[INFO] tweaked toml for git repo https://github.com/gokjer/rust-dnd written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/gokjer/rust-dnd already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9fcf0bfe9cbe900c4ecd61587a0951b5fc3d4a1cd2a2f39133c01e7613c32b3e
[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" "9fcf0bfe9cbe900c4ecd61587a0951b5fc3d4a1cd2a2f39133c01e7613c32b3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fcf0bfe9cbe900c4ecd61587a0951b5fc3d4a1cd2a2f39133c01e7613c32b3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fcf0bfe9cbe900c4ecd61587a0951b5fc3d4a1cd2a2f39133c01e7613c32b3e", kill_on_drop: false }`
[INFO] [stdout] 9fcf0bfe9cbe900c4ecd61587a0951b5fc3d4a1cd2a2f39133c01e7613c32b3e
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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] e4c9afba5fa8ad095265eec786c8f9c2b66e1b6f21bc78dc1ae2cb9ec676913a
[INFO] running `Command { std: "docker" "start" "-a" "e4c9afba5fa8ad095265eec786c8f9c2b66e1b6f21bc78dc1ae2cb9ec676913a", kill_on_drop: false }`
[INFO] [stderr]     Checking dnd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Int`
[INFO] [stdout]  --> src/characteristics.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::common::{Id, Int};
[INFO] [stdout]   |                         ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/characteristics.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Output`
[INFO] [stdout]  --> src/characteristics.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::process::Output;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Int`
[INFO] [stdout]  --> src/specific.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::common::{Int, Id};
[INFO] [stdout]   |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hash_set`
[INFO] [stdout]  --> src/specific.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{HashSet, hash_set};
[INFO] [stdout]   |                                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Int`
[INFO] [stdout]  --> src/characteristics.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::common::{Id, Int};
[INFO] [stdout]   |                         ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/characteristics.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Output`
[INFO] [stdout]  --> src/characteristics.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::process::Output;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Int`
[INFO] [stdout]  --> src/specific.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::common::{Int, Id};
[INFO] [stdout]   |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hash_set`
[INFO] [stdout]  --> src/specific.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{HashSet, hash_set};
[INFO] [stdout]   |                                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entity_id`
[INFO] [stdout]   --> src/specific.rs:21:64
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn get_modified<InType, InEntity: Incoming<InType>>(&self, entity_id: Id) -> Option<Box<InEntity>> {
[INFO] [stdout]    |                                                                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_entity_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entity_id`
[INFO] [stdout]   --> src/specific.rs:25:68
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn get_modifying<OutType, OutEntity: Outgoing<OutType>>(&self, entity_id: Id) -> Option<Box<OutEntity>> {
[INFO] [stdout]    |                                                                    ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_entity_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out_id`
[INFO] [stdout]   --> src/specific.rs:72:28
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn get_modifier(&self, out_id: Id) -> ModType {
[INFO] [stdout]    |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_out_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/specific.rs:76:31
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn update_all_outs(&self, state: &mut Self::State) {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entity_id`
[INFO] [stdout]   --> src/specific.rs:21:64
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn get_modified<InType, InEntity: Incoming<InType>>(&self, entity_id: Id) -> Option<Box<InEntity>> {
[INFO] [stdout]    |                                                                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_entity_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entity_id`
[INFO] [stdout]   --> src/specific.rs:25:68
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn get_modifying<OutType, OutEntity: Outgoing<OutType>>(&self, entity_id: Id) -> Option<Box<OutEntity>> {
[INFO] [stdout]    |                                                                    ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_entity_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out_id`
[INFO] [stdout]   --> src/specific.rs:72:28
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn get_modifier(&self, out_id: Id) -> ModType {
[INFO] [stdout]    |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_out_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/specific.rs:76:31
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn update_all_outs(&self, state: &mut Self::State) {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Sum`
[INFO] [stdout]  --> src/dice.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Sum (Box<Dice>, Box<Dice>),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Sum`
[INFO] [stdout]  --> src/dice.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Sum (Box<Dice>, Box<Dice>),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Mul`
[INFO] [stdout]  --> src/dice.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Mul (Int, Box<Dice>),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Mul`
[INFO] [stdout]  --> src/dice.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Mul (Int, Box<Dice>),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CharIterator`
[INFO] [stdout]   --> src/specific.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct CharIterator {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CharIterator`
[INFO] [stdout]   --> src/specific.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct CharIterator {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `recount`
[INFO] [stdout]   --> src/values.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn recount(&mut self) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `recount`
[INFO] [stdout]   --> src/values.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn recount(&mut self) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "e4c9afba5fa8ad095265eec786c8f9c2b66e1b6f21bc78dc1ae2cb9ec676913a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4c9afba5fa8ad095265eec786c8f9c2b66e1b6f21bc78dc1ae2cb9ec676913a", kill_on_drop: false }`
[INFO] [stdout] e4c9afba5fa8ad095265eec786c8f9c2b66e1b6f21bc78dc1ae2cb9ec676913a