[INFO] cloning repository https://github.com/hosua/rusty-graph
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hosua/rusty-graph" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhosua%2Frusty-graph", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhosua%2Frusty-graph'...
[INFO] [stderr] fatal: write error: No space left on device
[INFO] [stderr] fatal: fetch-pack: invalid index-pack output
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/hosua/rusty-graph
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hosua/rusty-graph" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhosua%2Frusty-graph", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhosua%2Frusty-graph'...
[INFO] [stderr] error: failed to write new configuration file /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhosua%2Frusty-graph/config.lock
[INFO] [stderr] fatal: could not set 'core.bare' to 'true'
[WARN] Retrying crate fetch in 3 seconds (attempt 2)
[INFO] cloning repository https://github.com/hosua/rusty-graph
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hosua/rusty-graph" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhosua%2Frusty-graph", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhosua%2Frusty-graph'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6324d9827434d8d8810ea7afcd00f5f9474fd42b
[INFO] checking hosua/rusty-graph against master#46424fb5054f211ec836c5c03159f92e46bb35ac for pr-139042
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhosua%2Frusty-graph" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hosua/rusty-graph on toolchain 46424fb5054f211ec836c5c03159f92e46bb35ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hosua/rusty-graph
[INFO] finished tweaking git repo https://github.com/hosua/rusty-graph
[INFO] tweaked toml for git repo https://github.com/hosua/rusty-graph written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/hosua/rusty-graph already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "fetch" "--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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb86adaa69a0b28e3b467c21aa3a4ed8fbfbc746850d84377f08c0c74b4d1084
[INFO] running `Command { std: "docker" "start" "-a" "cb86adaa69a0b28e3b467c21aa3a4ed8fbfbc746850d84377f08c0c74b4d1084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb86adaa69a0b28e3b467c21aa3a4ed8fbfbc746850d84377f08c0c74b4d1084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb86adaa69a0b28e3b467c21aa3a4ed8fbfbc746850d84377f08c0c74b4d1084", kill_on_drop: false }`
[INFO] [stdout] cb86adaa69a0b28e3b467c21aa3a4ed8fbfbc746850d84377f08c0c74b4d1084
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f34995e379726f28c4f7083107c132ea35898a03754d247459b401ea4a1a7839
[INFO] running `Command { std: "docker" "start" "-a" "f34995e379726f28c4f7083107c132ea35898a03754d247459b401ea4a1a7839", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking graphs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | 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 import: `std::collections::HashMap`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:169:13
[INFO] [stdout]     |
[INFO] [stdout] 169 |         let mut N: usize;
[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: unused variable: `N`
[INFO] [stdout]    --> src/main.rs:206:9
[INFO] [stdout]     |
[INFO] [stdout] 206 |     let N: usize = 5;
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_N`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `N` should have a snake case name
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     N: usize,
[INFO] [stdout]    |     ^ help: convert the identifier to snake case: `n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]   --> src/main.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let N: usize = adj_list.len();
[INFO] [stdout]    |             ^ help: convert the identifier to snake case: `n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `DFS` should have a snake case name
[INFO] [stdout]    --> src/main.rs:152:8
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn DFS(&self, val: String, dest: String, path_found: &mut bool, 
[INFO] [stdout]     |        ^^^ help: convert the identifier to snake case: `dfs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]    --> src/main.rs:169:17
[INFO] [stdout]     |
[INFO] [stdout] 169 |         let mut N: usize;
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]    --> src/main.rs:206:9
[INFO] [stdout]     |
[INFO] [stdout] 206 |     let N: usize = 5;
[INFO] [stdout]     |         ^ help: convert the identifier to snake case: `n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:169:13
[INFO] [stdout]     |
[INFO] [stdout] 169 |         let mut N: usize;
[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: unused variable: `N`
[INFO] [stdout]    --> src/main.rs:206:9
[INFO] [stdout]     |
[INFO] [stdout] 206 |     let N: usize = 5;
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_N`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `N` should have a snake case name
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     N: usize,
[INFO] [stdout]    |     ^ help: convert the identifier to snake case: `n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]   --> src/main.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let N: usize = adj_list.len();
[INFO] [stdout]    |             ^ help: convert the identifier to snake case: `n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `DFS` should have a snake case name
[INFO] [stdout]    --> src/main.rs:152:8
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn DFS(&self, val: String, dest: String, path_found: &mut bool, 
[INFO] [stdout]     |        ^^^ help: convert the identifier to snake case: `dfs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]    --> src/main.rs:169:17
[INFO] [stdout]     |
[INFO] [stdout] 169 |         let mut N: usize;
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]    --> src/main.rs:206:9
[INFO] [stdout]     |
[INFO] [stdout] 206 |     let N: usize = 5;
[INFO] [stdout]     |         ^ help: convert the identifier to snake case: `n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.40s
[INFO] running `Command { std: "docker" "inspect" "f34995e379726f28c4f7083107c132ea35898a03754d247459b401ea4a1a7839", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f34995e379726f28c4f7083107c132ea35898a03754d247459b401ea4a1a7839", kill_on_drop: false }`
[INFO] [stdout] f34995e379726f28c4f7083107c132ea35898a03754d247459b401ea4a1a7839
