[INFO] fetching crate matrixgraph 0.1.0...
[INFO] testing matrixgraph-0.1.0 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate matrixgraph 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate matrixgraph 0.1.0 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d12041aef3642a74e8425fc78a1342a39e799f5756beb6509aee13f5de83a48
[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" "4d12041aef3642a74e8425fc78a1342a39e799f5756beb6509aee13f5de83a48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d12041aef3642a74e8425fc78a1342a39e799f5756beb6509aee13f5de83a48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d12041aef3642a74e8425fc78a1342a39e799f5756beb6509aee13f5de83a48", kill_on_drop: false }`
[INFO] [stdout] 4d12041aef3642a74e8425fc78a1342a39e799f5756beb6509aee13f5de83a48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6605ea34a5e45fe4b6bea273ed2632ccd8bf1e9aae5b2bfb700cc61dcc3bba9e
[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" "6605ea34a5e45fe4b6bea273ed2632ccd8bf1e9aae5b2bfb700cc61dcc3bba9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrixgraph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "6605ea34a5e45fe4b6bea273ed2632ccd8bf1e9aae5b2bfb700cc61dcc3bba9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6605ea34a5e45fe4b6bea273ed2632ccd8bf1e9aae5b2bfb700cc61dcc3bba9e", kill_on_drop: false }`
[INFO] [stdout] 6605ea34a5e45fe4b6bea273ed2632ccd8bf1e9aae5b2bfb700cc61dcc3bba9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 724d63860aebc80e005ae2216064d5e1ecea6e89d95bbb9c5962f7c4bffcbd8b
[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" "724d63860aebc80e005ae2216064d5e1ecea6e89d95bbb9c5962f7c4bffcbd8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrixgraph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: 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] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `matrixgraph`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "724d63860aebc80e005ae2216064d5e1ecea6e89d95bbb9c5962f7c4bffcbd8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "724d63860aebc80e005ae2216064d5e1ecea6e89d95bbb9c5962f7c4bffcbd8b", kill_on_drop: false }`
[INFO] [stdout] 724d63860aebc80e005ae2216064d5e1ecea6e89d95bbb9c5962f7c4bffcbd8b