[INFO] cloning repository https://github.com/alex-griffiths/ai_romania
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alex-griffiths/ai_romania" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falex-griffiths%2Fai_romania", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falex-griffiths%2Fai_romania'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2391356c1e35d3036e476fed794821d41358a06f
[INFO] testing alex-griffiths/ai_romania against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falex-griffiths%2Fai_romania" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alex-griffiths/ai_romania on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alex-griffiths/ai_romania
[INFO] finished tweaking git repo https://github.com/alex-griffiths/ai_romania
[INFO] tweaked toml for git repo https://github.com/alex-griffiths/ai_romania written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/alex-griffiths/ai_romania already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9196ef1f9c5f6279d41ce1908dfd3025d851b264d382069aad06fb819be39567
[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" "9196ef1f9c5f6279d41ce1908dfd3025d851b264d382069aad06fb819be39567", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9196ef1f9c5f6279d41ce1908dfd3025d851b264d382069aad06fb819be39567", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9196ef1f9c5f6279d41ce1908dfd3025d851b264d382069aad06fb819be39567", kill_on_drop: false }`
[INFO] [stdout] 9196ef1f9c5f6279d41ce1908dfd3025d851b264d382069aad06fb819be39567
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e19ebe975a3d54acc80e2df3e3a2b0888dad4962e60e9df12a6c3b2138596aa
[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" "4e19ebe975a3d54acc80e2df3e3a2b0888dad4962e60e9df12a6c3b2138596aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling romania v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Walker`
[INFO] [stdout]  --> src/main.rs:5:31
[INFO] [stdout]   |
[INFO] [stdout] 5 | use graph::{Graph, NodeIndex, Walker};
[INFO] [stdout]   |                               ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `walker`
[INFO] [stdout]   --> src/graph.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn walker(&self, source: NodeIndex) -> Walker {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/graph.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn new(start_idx: NodeIndex, graph: &Graph) -> Walker {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "4e19ebe975a3d54acc80e2df3e3a2b0888dad4962e60e9df12a6c3b2138596aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e19ebe975a3d54acc80e2df3e3a2b0888dad4962e60e9df12a6c3b2138596aa", kill_on_drop: false }`
[INFO] [stdout] 4e19ebe975a3d54acc80e2df3e3a2b0888dad4962e60e9df12a6c3b2138596aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20a9dfaceb77853f7b6a544bf39ae5e3f9628c4018e3b4aaf680c34b6e8214fe
[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" "20a9dfaceb77853f7b6a544bf39ae5e3f9628c4018e3b4aaf680c34b6e8214fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling romania v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Walker`
[INFO] [stdout]  --> src/main.rs:5:31
[INFO] [stdout]   |
[INFO] [stdout] 5 | use graph::{Graph, NodeIndex, Walker};
[INFO] [stdout]   |                               ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `walker`
[INFO] [stdout]   --> src/graph.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn walker(&self, source: NodeIndex) -> Walker {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/graph.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn new(start_idx: NodeIndex, graph: &Graph) -> Walker {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "20a9dfaceb77853f7b6a544bf39ae5e3f9628c4018e3b4aaf680c34b6e8214fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20a9dfaceb77853f7b6a544bf39ae5e3f9628c4018e3b4aaf680c34b6e8214fe", kill_on_drop: false }`
[INFO] [stdout] 20a9dfaceb77853f7b6a544bf39ae5e3f9628c4018e3b4aaf680c34b6e8214fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fa6f4a330539618addadcbf46ffafbc9f78cf3708821ee71e4f344f2dfc66191
[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" "fa6f4a330539618addadcbf46ffafbc9f78cf3708821ee71e4f344f2dfc66191", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Walker`
[INFO] [stderr]  --> src/main.rs:5:31
[INFO] [stderr]   |
[INFO] [stderr] 5 | use graph::{Graph, NodeIndex, Walker};
[INFO] [stderr]   |                               ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `walker`
[INFO] [stderr]   --> src/graph.rs:74:12
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn walker(&self, source: NodeIndex) -> Walker {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/graph.rs:92:12
[INFO] [stderr]    |
[INFO] [stderr] 92 |     pub fn new(start_idx: NodeIndex, graph: &Graph) -> Walker {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `romania` (bin "romania" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/romania-627749d8d3b618f1)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fa6f4a330539618addadcbf46ffafbc9f78cf3708821ee71e4f344f2dfc66191", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa6f4a330539618addadcbf46ffafbc9f78cf3708821ee71e4f344f2dfc66191", kill_on_drop: false }`
[INFO] [stdout] fa6f4a330539618addadcbf46ffafbc9f78cf3708821ee71e4f344f2dfc66191