[INFO] cloning repository https://github.com/jayghoshter/shortest_paths_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jayghoshter/shortest_paths_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjayghoshter%2Fshortest_paths_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjayghoshter%2Fshortest_paths_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d77d23aa9d601cf37abc3249d2f70665371cd25b
[INFO] building jayghoshter/shortest_paths_rust against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjayghoshter%2Fshortest_paths_rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jayghoshter/shortest_paths_rust on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jayghoshter/shortest_paths_rust
[INFO] finished tweaking git repo https://github.com/jayghoshter/shortest_paths_rust
[INFO] tweaked toml for git repo https://github.com/jayghoshter/shortest_paths_rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jayghoshter/shortest_paths_rust 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 522bef07f0c38a41bcd3f6ff2a05a5d0691ed88b680edf41f073c9243c2a1a6d
[INFO] running `Command { std: "docker" "start" "-a" "522bef07f0c38a41bcd3f6ff2a05a5d0691ed88b680edf41f073c9243c2a1a6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "522bef07f0c38a41bcd3f6ff2a05a5d0691ed88b680edf41f073c9243c2a1a6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "522bef07f0c38a41bcd3f6ff2a05a5d0691ed88b680edf41f073c9243c2a1a6d", kill_on_drop: false }`
[INFO] [stdout] 522bef07f0c38a41bcd3f6ff2a05a5d0691ed88b680edf41f073c9243c2a1a6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a6cbea0417db1167bab12b6375eedfe853b94b7f783eb4d1e44e1d965c42a97
[INFO] running `Command { std: "docker" "start" "-a" "5a6cbea0417db1167bab12b6375eedfe853b94b7f783eb4d1e44e1d965c42a97", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling once_cell v1.13.1
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling crossbeam-deque v0.8.2
[INFO] [stderr]    Compiling graph_shortest_path v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated items `new`, `other_end`, and `is_adjacent` are never used
[INFO] [stdout]   --> src/main.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl UnEdge{
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 24 |
[INFO] [stdout] 25 |     fn new(end_nodes:(i32,i32), length:f64) -> UnEdge{
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     fn other_end(&self, n: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     fn is_adjacent(&self, other: UnEdge) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]   --> src/main.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | impl UnPath{
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 73 |     fn print(&self){
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_nodes` is never used
[INFO] [stdout]    --> src/main.rs:151:8
[INFO] [stdout]     |
[INFO] [stdout] 114 | impl UnGraph{
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 151 |     fn get_nodes(&self) -> HashSet<i32> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.06s
[INFO] running `Command { std: "docker" "inspect" "5a6cbea0417db1167bab12b6375eedfe853b94b7f783eb4d1e44e1d965c42a97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a6cbea0417db1167bab12b6375eedfe853b94b7f783eb4d1e44e1d965c42a97", kill_on_drop: false }`
[INFO] [stdout] 5a6cbea0417db1167bab12b6375eedfe853b94b7f783eb4d1e44e1d965c42a97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7baadf3ed3a436cdb268b729342982403d46ccaed0160d7ac81339826ca4a531
[INFO] running `Command { std: "docker" "start" "-a" "7baadf3ed3a436cdb268b729342982403d46ccaed0160d7ac81339826ca4a531", kill_on_drop: false }`
[INFO] [stderr]    Compiling graph_shortest_path v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated items `new`, `other_end`, and `is_adjacent` are never used
[INFO] [stdout]   --> src/main.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl UnEdge{
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 24 |
[INFO] [stdout] 25 |     fn new(end_nodes:(i32,i32), length:f64) -> UnEdge{
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     fn other_end(&self, n: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     fn is_adjacent(&self, other: UnEdge) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]   --> src/main.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | impl UnPath{
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 73 |     fn print(&self){
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_nodes` is never used
[INFO] [stdout]    --> src/main.rs:151:8
[INFO] [stdout]     |
[INFO] [stdout] 114 | impl UnGraph{
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 151 |     fn get_nodes(&self) -> HashSet<i32> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "7baadf3ed3a436cdb268b729342982403d46ccaed0160d7ac81339826ca4a531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7baadf3ed3a436cdb268b729342982403d46ccaed0160d7ac81339826ca4a531", kill_on_drop: false }`
[INFO] [stdout] 7baadf3ed3a436cdb268b729342982403d46ccaed0160d7ac81339826ca4a531