[INFO] crate matrixgraph 0.1.0 is already in cache
[INFO] testing matrixgraph-0.1.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate matrixgraph 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate matrixgraph 0.1.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate matrixgraph 0.1.0
[INFO] finished tweaking crates.io crate matrixgraph 0.1.0
[INFO] tweaked toml for crates.io crate matrixgraph 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f94c0b91e6b6b2dd8c962f200965002ffef855ae0c0afe5f7411b783c5e836eb
[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" "f94c0b91e6b6b2dd8c962f200965002ffef855ae0c0afe5f7411b783c5e836eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f94c0b91e6b6b2dd8c962f200965002ffef855ae0c0afe5f7411b783c5e836eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f94c0b91e6b6b2dd8c962f200965002ffef855ae0c0afe5f7411b783c5e836eb", kill_on_drop: false }`
[INFO] [stdout] f94c0b91e6b6b2dd8c962f200965002ffef855ae0c0afe5f7411b783c5e836eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7c505bb6c62af7aeaf9844a4a8db2802221342557a61957b988376ff1027bef9
[INFO] running `Command { std: "docker" "start" "-a" "7c505bb6c62af7aeaf9844a4a8db2802221342557a61957b988376ff1027bef9", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrixgraph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "7c505bb6c62af7aeaf9844a4a8db2802221342557a61957b988376ff1027bef9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c505bb6c62af7aeaf9844a4a8db2802221342557a61957b988376ff1027bef9", kill_on_drop: false }`
[INFO] [stdout] 7c505bb6c62af7aeaf9844a4a8db2802221342557a61957b988376ff1027bef9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 499d8e84d73396387968db79483318ddb4d515b6f59ffbc8c4170ebfb482bdbb
[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" "499d8e84d73396387968db79483318ddb4d515b6f59ffbc8c4170ebfb482bdbb", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrixgraph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/simple_graph.rs:217:33
[INFO] [stdout]     |
[INFO] [stdout] 217 |         g.set_edge((1, 1), Some((1.0f64)));
[INFO] [stdout]     |                                 ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:48:9
[INFO] [stdout]     |
[INFO] [stdout] 48  | #![deny(unused_parens)]
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "499d8e84d73396387968db79483318ddb4d515b6f59ffbc8c4170ebfb482bdbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "499d8e84d73396387968db79483318ddb4d515b6f59ffbc8c4170ebfb482bdbb", kill_on_drop: false }`
[INFO] [stdout] 499d8e84d73396387968db79483318ddb4d515b6f59ffbc8c4170ebfb482bdbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c2054545743003e4853d03449d6755ce05dadf2cfeb05ea8b0570884d90901c4
[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" "c2054545743003e4853d03449d6755ce05dadf2cfeb05ea8b0570884d90901c4", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stdout] running 11 tests
[INFO] [stderr]    --> src/simple_graph.rs:217:33
[INFO] [stdout] test digraph::test::test_graph_construction_3 ... ok
[INFO] [stderr]     |
[INFO] [stdout] test simple_graph::test::test_graph_construction_1 ... ok
[INFO] [stderr] 217 |         g.set_edge((1, 1), Some((1.0f64)));
[INFO] [stdout] test digraph::test::test_graph_construction_1 ... ok
[INFO] [stderr]     |                                 ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] test simple_graph::test::test_graph_construction_3 ... ok
[INFO] [stderr]     |
[INFO] [stdout] test simple_graph::test::test_graph_construction_5 ... ok
[INFO] [stderr] note: the lint level is defined here
[INFO] [stdout] test simple_graph::test::test_graph_construction_6 ... ok
[INFO] [stderr]    --> src/lib.rs:48:9
[INFO] [stderr]     |
[INFO] [stderr] 48  | #![deny(unused_parens)]
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/matrixgraph-7dc75eb6492e73b9
[INFO] [stdout] test digraph::test::test_graph_construction_4 ... ok
[INFO] [stdout] test simple_graph::test::test_graph_construction_4 ... ok
[INFO] [stdout] test simple_graph::test::test_graph_construction_7 ... ok
[INFO] [stdout] test digraph::test::test_graph_construction_2 ... ok
[INFO] [stdout] test simple_graph::test::test_graph_construction_2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests matrixgraph
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 27) ... ok
[INFO] [stdout] test src/lib.rs - (line 32) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c2054545743003e4853d03449d6755ce05dadf2cfeb05ea8b0570884d90901c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2054545743003e4853d03449d6755ce05dadf2cfeb05ea8b0570884d90901c4", kill_on_drop: false }`
[INFO] [stdout] c2054545743003e4853d03449d6755ce05dadf2cfeb05ea8b0570884d90901c4