[INFO] cloning repository https://github.com/cfzimmerman/prim
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cfzimmerman/prim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfzimmerman%2Fprim", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfzimmerman%2Fprim'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a0d3d8f301c2f43fe276f624b8fbce996a994e3
[INFO] testing cfzimmerman/prim against master#ebf0cf75d368c035f4c7e7246d203bd469ee4a51 for pr-137940
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfzimmerman%2Fprim" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cfzimmerman/prim on toolchain ebf0cf75d368c035f4c7e7246d203bd469ee4a51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cfzimmerman/prim
[INFO] finished tweaking git repo https://github.com/cfzimmerman/prim
[INFO] tweaked toml for git repo https://github.com/cfzimmerman/prim written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cfzimmerman/prim already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6b775b906193c6d3ed03453c087677c8da3afba6e5a56a143de9bcb2cf666f4
[INFO] running `Command { std: "docker" "start" "-a" "d6b775b906193c6d3ed03453c087677c8da3afba6e5a56a143de9bcb2cf666f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6b775b906193c6d3ed03453c087677c8da3afba6e5a56a143de9bcb2cf666f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6b775b906193c6d3ed03453c087677c8da3afba6e5a56a143de9bcb2cf666f4", kill_on_drop: false }`
[INFO] [stdout] d6b775b906193c6d3ed03453c087677c8da3afba6e5a56a143de9bcb2cf666f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfed52a311c18ecf23b11a217411431c5e170ad7302094815139842d615d4085
[INFO] running `Command { std: "docker" "start" "-a" "bfed52a311c18ecf23b11a217411431c5e170ad7302094815139842d615d4085", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling csv v1.3.0
[INFO] [stderr]    Compiling progset1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.48s
[INFO] running `Command { std: "docker" "inspect" "bfed52a311c18ecf23b11a217411431c5e170ad7302094815139842d615d4085", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfed52a311c18ecf23b11a217411431c5e170ad7302094815139842d615d4085", kill_on_drop: false }`
[INFO] [stdout] bfed52a311c18ecf23b11a217411431c5e170ad7302094815139842d615d4085
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3abebac18643f5438a298893765c6831357f71cb3465e35e3519bbe5fdb0bc9d
[INFO] running `Command { std: "docker" "start" "-a" "3abebac18643f5438a298893765c6831357f71cb3465e35e3519bbe5fdb0bc9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling progset1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `HeaviestEdge` is never constructed
[INFO] [stdout]    --> src/mst.rs:243:12
[INFO] [stdout]     |
[INFO] [stdout] 243 |     struct HeaviestEdge {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.60s
[INFO] running `Command { std: "docker" "inspect" "3abebac18643f5438a298893765c6831357f71cb3465e35e3519bbe5fdb0bc9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3abebac18643f5438a298893765c6831357f71cb3465e35e3519bbe5fdb0bc9d", kill_on_drop: false }`
[INFO] [stdout] 3abebac18643f5438a298893765c6831357f71cb3465e35e3519bbe5fdb0bc9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 53ced041b26a2b76d2aa770430fba10c668450fa91e19a0e8c432959218ebb5c
[INFO] running `Command { std: "docker" "start" "-a" "53ced041b26a2b76d2aa770430fba10c668450fa91e19a0e8c432959218ebb5c", kill_on_drop: false }`
[INFO] [stderr] warning: struct `HeaviestEdge` is never constructed
[INFO] [stderr]    --> src/mst.rs:243:12
[INFO] [stderr]     |
[INFO] [stderr] 243 |     struct HeaviestEdge {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `progset1` (lib test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/progset1-46bd7421653ae24e)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test decimal::decimal_tests::decimal_ops ... ok
[INFO] [stdout] test mst::mst_tests::mst_known_graph ... ok
[INFO] [stdout] test graph_gen::graph_tests::gen_graphs ... ok
[INFO] [stdout] test prim_heap::heap_tests::heapsort_by_weight ... ok
[INFO] [stdout] test mst::mst_tests::mst_0d_graph ... ok
[INFO] [stdout] test prim_heap::heap_tests::heapsort_by_val ... ok
[INFO] [stdout] test mst::mst_tests::mst_3d_graph ... ok
[INFO] [stdout] test mst::mst_tests::mst_2d_graph ... ok
[INFO] [stdout] test mst::mst_tests::mst_4d_graph ... ok
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/progset1-cb4b13aa467faa72)
[INFO] [stderr]    Doc-tests progset1
[INFO] [stdout] test mst::mst_tests::heaviest_edge ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 11.14s
[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] [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" "53ced041b26a2b76d2aa770430fba10c668450fa91e19a0e8c432959218ebb5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53ced041b26a2b76d2aa770430fba10c668450fa91e19a0e8c432959218ebb5c", kill_on_drop: false }`
[INFO] [stdout] 53ced041b26a2b76d2aa770430fba10c668450fa91e19a0e8c432959218ebb5c