[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