[INFO] updating cached repository https://github.com/aweinstock314/ropship-inspired-lang
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4eeb602ed3a6bd7bb71e0e9ca0b5022cbeb44727
[INFO] testing aweinstock314/ropship-inspired-lang against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faweinstock314%2Fropship-inspired-lang" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aweinstock314/ropship-inspired-lang on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-2/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 `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 47c7e4103a871b44acea812f60f15dd5d65f50d81ced0af62124512d1db4c4a0
[INFO] running `"docker" "start" "-a" "47c7e4103a871b44acea812f60f15dd5d65f50d81ced0af62124512d1db4c4a0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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 fixedbitset v0.2.0
[INFO] [stderr]    Compiling plain v0.2.3
[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] [stderr] warning: unused import: `IntoEdges`
[INFO] [stderr]  --> src/graph_algos.rs:1:54
[INFO] [stderr]   |
[INFO] [stderr] 1 | use petgraph::visit::{EdgeRef, NodeCompactIndexable, IntoEdges, IntoEdgeReferences};
[INFO] [stderr]   |                                                      ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.14s
[INFO] running `"docker" "inspect" "47c7e4103a871b44acea812f60f15dd5d65f50d81ced0af62124512d1db4c4a0"`
[INFO] running `"docker" "rm" "-f" "47c7e4103a871b44acea812f60f15dd5d65f50d81ced0af62124512d1db4c4a0"`
[INFO] [stdout] 47c7e4103a871b44acea812f60f15dd5d65f50d81ced0af62124512d1db4c4a0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 300fa92b53ff6857c2a7c6f0adb4347e5c9d3ac4ee0d2c297c97c2de15141dae
[INFO] running `"docker" "start" "-a" "300fa92b53ff6857c2a7c6f0adb4347e5c9d3ac4ee0d2c297c97c2de15141dae"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling ropship-inspired-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `IntoEdges`
[INFO] [stderr]  --> src/graph_algos.rs:1:54
[INFO] [stderr]   |
[INFO] [stderr] 1 | use petgraph::visit::{EdgeRef, NodeCompactIndexable, IntoEdges, IntoEdgeReferences};
[INFO] [stderr]   |                                                      ^^^^^^^^^
[INFO] [stderr]   |
[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 2.54s
[INFO] running `"docker" "inspect" "300fa92b53ff6857c2a7c6f0adb4347e5c9d3ac4ee0d2c297c97c2de15141dae"`
[INFO] running `"docker" "rm" "-f" "300fa92b53ff6857c2a7c6f0adb4347e5c9d3ac4ee0d2c297c97c2de15141dae"`
[INFO] [stdout] 300fa92b53ff6857c2a7c6f0adb4347e5c9d3ac4ee0d2c297c97c2de15141dae
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9da0c0418bdc122de98fd4005ecf22e093a6d28dc22c7eb9e17c9191c1cf9b15
[INFO] running `"docker" "start" "-a" "9da0c0418bdc122de98fd4005ecf22e093a6d28dc22c7eb9e17c9191c1cf9b15"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused import: `IntoEdges`
[INFO] [stdout] 
[INFO] [stderr]  --> src/graph_algos.rs:1:54
[INFO] [stdout] running 2 tests
[INFO] [stderr]   |
[INFO] [stderr] 1 | use petgraph::visit::{EdgeRef, NodeCompactIndexable, IntoEdges, IntoEdgeReferences};
[INFO] [stderr]   |                                                      ^^^^^^^^^
[INFO] [stderr]   |
[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 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ropship_inspired_lang-2e15e7cb7c4fc254
[INFO] [stdout] test graph_algos::test_brute_force_colors ... ok
[INFO] [stdout] test graph_algos::test_increment_permutation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9da0c0418bdc122de98fd4005ecf22e093a6d28dc22c7eb9e17c9191c1cf9b15"`
[INFO] running `"docker" "rm" "-f" "9da0c0418bdc122de98fd4005ecf22e093a6d28dc22c7eb9e17c9191c1cf9b15"`
[INFO] [stdout] 9da0c0418bdc122de98fd4005ecf22e093a6d28dc22c7eb9e17c9191c1cf9b15