[INFO] fetching crate abstractgraph 0.1.4...
[INFO] testing abstractgraph-0.1.4 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate abstractgraph 0.1.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate abstractgraph 0.1.4 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate abstractgraph 0.1.4
[INFO] finished tweaking crates.io crate abstractgraph 0.1.4
[INFO] tweaked toml for crates.io crate abstractgraph 0.1.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded priority-queue v0.5.4
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 008dc734c59d2e6a95079ecffe319c757ee6f427f9af7a17fa0e827f22939022
[INFO] running `Command { std: "docker" "start" "-a" "008dc734c59d2e6a95079ecffe319c757ee6f427f9af7a17fa0e827f22939022", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "008dc734c59d2e6a95079ecffe319c757ee6f427f9af7a17fa0e827f22939022", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "008dc734c59d2e6a95079ecffe319c757ee6f427f9af7a17fa0e827f22939022", kill_on_drop: false }`
[INFO] [stdout] 008dc734c59d2e6a95079ecffe319c757ee6f427f9af7a17fa0e827f22939022
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8c7c5589108b6a7fdfd7563d4e8a9151bcd84178f62cde8604cd0e2152f42c9
[INFO] running `Command { std: "docker" "start" "-a" "b8c7c5589108b6a7fdfd7563d4e8a9151bcd84178f62cde8604cd0e2152f42c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v0.4.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling priority-queue v0.5.4
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling abstractgraph v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.59s
[INFO] running `Command { std: "docker" "inspect" "b8c7c5589108b6a7fdfd7563d4e8a9151bcd84178f62cde8604cd0e2152f42c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8c7c5589108b6a7fdfd7563d4e8a9151bcd84178f62cde8604cd0e2152f42c9", kill_on_drop: false }`
[INFO] [stdout] b8c7c5589108b6a7fdfd7563d4e8a9151bcd84178f62cde8604cd0e2152f42c9
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 879233e45253d3a7d65cd13806c4089f72807f1709432c3456111a5ca8f02431
[INFO] running `Command { std: "docker" "start" "-a" "879233e45253d3a7d65cd13806c4089f72807f1709432c3456111a5ca8f02431", kill_on_drop: false }`
[INFO] [stderr]    Compiling abstractgraph v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/dijkstra.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let mut last_distance: W;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.18s
[INFO] running `Command { std: "docker" "inspect" "879233e45253d3a7d65cd13806c4089f72807f1709432c3456111a5ca8f02431", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "879233e45253d3a7d65cd13806c4089f72807f1709432c3456111a5ca8f02431", kill_on_drop: false }`
[INFO] [stdout] 879233e45253d3a7d65cd13806c4089f72807f1709432c3456111a5ca8f02431
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 971aeb7ebdaeabc6ddce612bfdfa36b0994fa81bc66e79777c6980b8951c2a30
[INFO] running `Command { std: "docker" "start" "-a" "971aeb7ebdaeabc6ddce612bfdfa36b0994fa81bc66e79777c6980b8951c2a30", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/dijkstra.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 |     let mut last_distance: W;
[INFO] [stderr]    |         ----^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/abstractgraph-fd2010b785e58251)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/adjacency.rs (/opt/rustwide/target/debug/deps/adjacency-6d73f671a0c3da89)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test chain8 ... ok
[INFO] [stdout] test grid3_full ... ok
[INFO] [stdout] test parallel2 ... ok
[INFO] [stdout] test full5 ... ok
[INFO] [stdout] test grid3_rightdown ... ok
[INFO] [stdout] test trivial ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/bfs.rs (/opt/rustwide/target/debug/deps/bfs-7f3a51c0e28afe47)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test chain8 ... ok
[INFO] [stdout] test parallel2 ... ok
[INFO] [stdout] test grid3_full ... ok
[INFO] [stdout] test trivial ... ok
[INFO] [stdout] test full5 ... ok
[INFO] [stdout] test grid3_rightdown ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/dfs.rs (/opt/rustwide/target/debug/deps/dfs-60ef6e90bc1e4bae)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/dijkstra.rs (/opt/rustwide/target/debug/deps/dijkstra-df62082ceb8fac8e)
[INFO] [stdout] running 6 tests
[INFO] [stdout] test chain8 ... ok
[INFO] [stdout] test trivial ... ok
[INFO] [stdout] test parallel2 ... ok
[INFO] [stdout] test grid3_rightdown ... ok
[INFO] [stdout] test full5 ... ok
[INFO] [stdout] test grid3_full ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test chain8 ... ok
[INFO] [stdout] test full5 ... ok
[INFO] [stdout] test parallel2 ... ok
[INFO] [stderr]    Doc-tests abstractgraph
[INFO] [stdout] test trivial ... ok
[INFO] [stdout] test grid3_rightdown ... ok
[INFO] [stdout] test grid3_full ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "971aeb7ebdaeabc6ddce612bfdfa36b0994fa81bc66e79777c6980b8951c2a30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "971aeb7ebdaeabc6ddce612bfdfa36b0994fa81bc66e79777c6980b8951c2a30", kill_on_drop: false }`
[INFO] [stdout] 971aeb7ebdaeabc6ddce612bfdfa36b0994fa81bc66e79777c6980b8951c2a30