[INFO] crate graph 0.0.2 is already in cache
[INFO] testing graph-0.0.2 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate graph 0.0.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate graph 0.0.2 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate graph 0.0.2
[INFO] finished tweaking crates.io crate graph 0.0.2
[INFO] tweaked toml for crates.io crate graph 0.0.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] f7504b881b314d8e7e428a5ff8682617141de5a4ceef855b0ab3cde125361074
[INFO] running `"docker" "start" "-a" "f7504b881b314d8e7e428a5ff8682617141de5a4ceef855b0ab3cde125361074"`
[INFO] [stderr]    Compiling graph v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: struct is never constructed: `Node`
[INFO] [stderr]  --> src/lib.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Node;
[INFO] [stderr]   |        ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Edge`
[INFO] [stderr]  --> src/lib.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct Edge;
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Graph`
[INFO] [stderr]  --> src/lib.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct Graph;
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `"docker" "inspect" "f7504b881b314d8e7e428a5ff8682617141de5a4ceef855b0ab3cde125361074"`
[INFO] running `"docker" "rm" "-f" "f7504b881b314d8e7e428a5ff8682617141de5a4ceef855b0ab3cde125361074"`
[INFO] [stdout] f7504b881b314d8e7e428a5ff8682617141de5a4ceef855b0ab3cde125361074
[INFO] running `"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" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4d4f0951447a99abe8a2f3189aada0a9c27214c29d52363578382ac3ac86e94d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "4d4f0951447a99abe8a2f3189aada0a9c27214c29d52363578382ac3ac86e94d"`
[INFO] [stderr]    Compiling graph v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: struct is never constructed: `Node`
[INFO] [stderr]  --> src/lib.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Node;
[INFO] [stderr]   |        ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Edge`
[INFO] [stderr]  --> src/lib.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct Edge;
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Graph`
[INFO] [stderr]  --> src/lib.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct Graph;
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Node`
[INFO] [stderr]  --> src/lib.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Node;
[INFO] [stderr]   |        ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Edge`
[INFO] [stderr]  --> src/lib.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct Edge;
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Graph`
[INFO] [stderr]  --> src/lib.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct Graph;
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "4d4f0951447a99abe8a2f3189aada0a9c27214c29d52363578382ac3ac86e94d"`
[INFO] running `"docker" "rm" "-f" "4d4f0951447a99abe8a2f3189aada0a9c27214c29d52363578382ac3ac86e94d"`
[INFO] [stdout] 4d4f0951447a99abe8a2f3189aada0a9c27214c29d52363578382ac3ac86e94d
[INFO] running `"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" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] ebfa411fc047f9b22e76356081967b830992c2d220c1c61d39b466d1c48d1029
[INFO] running `"docker" "start" "-a" "ebfa411fc047f9b22e76356081967b830992c2d220c1c61d39b466d1c48d1029"`
[INFO] [stderr] warning: struct is never constructed: `Node`
[INFO] [stderr]  --> src/lib.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Node;
[INFO] [stderr]   |        ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Edge`
[INFO] [stderr]  --> src/lib.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct Edge;
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Graph`
[INFO] [stderr]  --> src/lib.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct Graph;
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Node`
[INFO] [stderr]  --> src/lib.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Node;
[INFO] [stderr]   |        ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Edge`
[INFO] [stderr]  --> src/lib.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct Edge;
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Graph`
[INFO] [stderr]  --> src/lib.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct Graph;
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/graph-b43cd3f70c7ebee5
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests graph
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ebfa411fc047f9b22e76356081967b830992c2d220c1c61d39b466d1c48d1029"`
[INFO] running `"docker" "rm" "-f" "ebfa411fc047f9b22e76356081967b830992c2d220c1c61d39b466d1c48d1029"`
[INFO] [stdout] ebfa411fc047f9b22e76356081967b830992c2d220c1c61d39b466d1c48d1029