[INFO] updating cached repository https://github.com/tibi-p/rubik
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a658400d5d7cd023797597039bc9b9c7ad2e1759
[INFO] testing tibi-p/rubik against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftibi-p%2Frubik" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tibi-p/rubik on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tibi-p/rubik
[INFO] finished tweaking git repo https://github.com/tibi-p/rubik
[INFO] tweaked toml for git repo https://github.com/tibi-p/rubik written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/tibi-p/rubik already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1456acc1e748d050868414e5090c652c20f1315a419ffeb1059b0a780c16d7c
[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" "a1456acc1e748d050868414e5090c652c20f1315a419ffeb1059b0a780c16d7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1456acc1e748d050868414e5090c652c20f1315a419ffeb1059b0a780c16d7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1456acc1e748d050868414e5090c652c20f1315a419ffeb1059b0a780c16d7c", kill_on_drop: false }`
[INFO] [stdout] a1456acc1e748d050868414e5090c652c20f1315a419ffeb1059b0a780c16d7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fca587fecdb5f6f45fb42ff1d6dee4e3067115f6eec914fc60ede83a93a198c7
[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" "fca587fecdb5f6f45fb42ff1d6dee4e3067115f6eec914fc60ede83a93a198c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling rubik v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `edges`
[INFO] [stdout]   --> src/representation/mod.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let edges = [
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_edges`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "fca587fecdb5f6f45fb42ff1d6dee4e3067115f6eec914fc60ede83a93a198c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fca587fecdb5f6f45fb42ff1d6dee4e3067115f6eec914fc60ede83a93a198c7", kill_on_drop: false }`
[INFO] [stdout] fca587fecdb5f6f45fb42ff1d6dee4e3067115f6eec914fc60ede83a93a198c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--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] 02008baefed32b90a49cd4e8c4482d63b3c73e4b9ddd97053e332edc294f95a7
[INFO] running `Command { std: "docker" "start" "-a" "02008baefed32b90a49cd4e8c4482d63b3c73e4b9ddd97053e332edc294f95a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling rubik v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `edges`
[INFO] [stdout]   --> src/representation/mod.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let edges = [
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_edges`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 0.66s
[INFO] running `Command { std: "docker" "inspect" "02008baefed32b90a49cd4e8c4482d63b3c73e4b9ddd97053e332edc294f95a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02008baefed32b90a49cd4e8c4482d63b3c73e4b9ddd97053e332edc294f95a7", kill_on_drop: false }`
[INFO] [stdout] 02008baefed32b90a49cd4e8c4482d63b3c73e4b9ddd97053e332edc294f95a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 21d5cee7338a45be52d1cc1dc8a94522e4cd1850357e5120585a6fcdc565f7c7
[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" "21d5cee7338a45be52d1cc1dc8a94522e4cd1850357e5120585a6fcdc565f7c7", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `edges`
[INFO] [stderr]   --> src/representation/mod.rs:58:13
[INFO] [stderr]    |
[INFO] [stderr] 58 |         let edges = [
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_edges`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` 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 /opt/rustwide/target/debug/deps/rubik-44303724b5544e2b
[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 `Command { std: "docker" "inspect" "21d5cee7338a45be52d1cc1dc8a94522e4cd1850357e5120585a6fcdc565f7c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21d5cee7338a45be52d1cc1dc8a94522e4cd1850357e5120585a6fcdc565f7c7", kill_on_drop: false }`
[INFO] [stdout] 21d5cee7338a45be52d1cc1dc8a94522e4cd1850357e5120585a6fcdc565f7c7