[INFO] updating cached repository https://github.com/aweinstock314/ropship-inspired-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4eeb602ed3a6bd7bb71e0e9ca0b5022cbeb44727
[INFO] testing aweinstock314/ropship-inspired-lang against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faweinstock314%2Fropship-inspired-lang" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aweinstock314/ropship-inspired-lang on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aweinstock314/ropship-inspired-lang
[INFO] finished tweaking git repo https://github.com/aweinstock314/ropship-inspired-lang
[INFO] tweaked toml for git repo https://github.com/aweinstock314/ropship-inspired-lang written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/aweinstock314/ropship-inspired-lang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e50987cc93075ae1e4874145bb6fd3436a2771ad18c075832453b44baccf7d0b
[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" "e50987cc93075ae1e4874145bb6fd3436a2771ad18c075832453b44baccf7d0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e50987cc93075ae1e4874145bb6fd3436a2771ad18c075832453b44baccf7d0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e50987cc93075ae1e4874145bb6fd3436a2771ad18c075832453b44baccf7d0b", kill_on_drop: false }`
[INFO] [stdout] e50987cc93075ae1e4874145bb6fd3436a2771ad18c075832453b44baccf7d0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5947316d37c3c3e9f804bb7670f37c5119e0966834bdca82a56f2e89a4f4fa25
[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" "5947316d37c3c3e9f804bb7670f37c5119e0966834bdca82a56f2e89a4f4fa25", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling pest v2.1.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling petgraph v0.5.0
[INFO] [stderr]    Compiling pest_meta v2.1.2
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]    Compiling scroll_derive v0.10.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling scroll v0.10.1
[INFO] [stderr]    Compiling goblin v0.2.0
[INFO] [stderr]    Compiling ropship-inspired-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `IntoEdges`
[INFO] [stdout]  --> src/graph_algos.rs:1:54
[INFO] [stdout]   |
[INFO] [stdout] 1 | use petgraph::visit::{EdgeRef, NodeCompactIndexable, IntoEdges, IntoEdgeReferences};
[INFO] [stdout]   |                                                      ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeSet`
[INFO] [stdout]    --> src/main.rs:595:17
[INFO] [stdout]     |
[INFO] [stdout] 595 |             use std::collections::BTreeSet;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.09s
[INFO] running `Command { std: "docker" "inspect" "5947316d37c3c3e9f804bb7670f37c5119e0966834bdca82a56f2e89a4f4fa25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5947316d37c3c3e9f804bb7670f37c5119e0966834bdca82a56f2e89a4f4fa25", kill_on_drop: false }`
[INFO] [stdout] 5947316d37c3c3e9f804bb7670f37c5119e0966834bdca82a56f2e89a4f4fa25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3957a4ed79ecab66f5a8b6fff87a2d798bd776b102155a8566206816a7b82a20
[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" "3957a4ed79ecab66f5a8b6fff87a2d798bd776b102155a8566206816a7b82a20", kill_on_drop: false }`
[INFO] [stderr]    Compiling ropship-inspired-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `IntoEdges`
[INFO] [stdout]  --> src/graph_algos.rs:1:54
[INFO] [stdout]   |
[INFO] [stdout] 1 | use petgraph::visit::{EdgeRef, NodeCompactIndexable, IntoEdges, IntoEdgeReferences};
[INFO] [stdout]   |                                                      ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Config`
[INFO] [stdout]   --> src/graph_algos.rs:78:38
[INFO] [stdout]    |
[INFO] [stdout] 78 |     use petgraph::{Graph, dot::{Dot, Config}};
[INFO] [stdout]    |                                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeSet`
[INFO] [stdout]    --> src/main.rs:595:17
[INFO] [stdout]     |
[INFO] [stdout] 595 |             use std::collections::BTreeSet;
[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 2.43s
[INFO] running `Command { std: "docker" "inspect" "3957a4ed79ecab66f5a8b6fff87a2d798bd776b102155a8566206816a7b82a20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3957a4ed79ecab66f5a8b6fff87a2d798bd776b102155a8566206816a7b82a20", kill_on_drop: false }`
[INFO] [stdout] 3957a4ed79ecab66f5a8b6fff87a2d798bd776b102155a8566206816a7b82a20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 97868cc6d268a91ccca59d64be1d096f6cb2dbebe1346dd535ff72f6c9b38d12
[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" "97868cc6d268a91ccca59d64be1d096f6cb2dbebe1346dd535ff72f6c9b38d12", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `IntoEdges`
[INFO] [stdout] running 2 tests
[INFO] [stderr]  --> src/graph_algos.rs:1:54
[INFO] [stdout] test graph_algos::test_increment_permutation ... ok
[INFO] [stderr]   |
[INFO] [stdout] test graph_algos::test_brute_force_colors ... ok
[INFO] [stderr] 1 | use petgraph::visit::{EdgeRef, NodeCompactIndexable, IntoEdges, IntoEdgeReferences};
[INFO] [stdout] 
[INFO] [stderr]   |                                                      ^^^^^^^^^
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Config`
[INFO] [stderr]   --> src/graph_algos.rs:78:38
[INFO] [stderr]    |
[INFO] [stderr] 78 |     use petgraph::{Graph, dot::{Dot, Config}};
[INFO] [stderr]    |                                      ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::BTreeSet`
[INFO] [stderr]    --> src/main.rs:595:17
[INFO] [stderr]     |
[INFO] [stderr] 595 |             use std::collections::BTreeSet;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ropship_inspired_lang-939ce78fdf0dc8ef
[INFO] running `Command { std: "docker" "inspect" "97868cc6d268a91ccca59d64be1d096f6cb2dbebe1346dd535ff72f6c9b38d12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97868cc6d268a91ccca59d64be1d096f6cb2dbebe1346dd535ff72f6c9b38d12", kill_on_drop: false }`
[INFO] [stdout] 97868cc6d268a91ccca59d64be1d096f6cb2dbebe1346dd535ff72f6c9b38d12