[INFO] fetching crate gray-codes 0.1.1...
[INFO] testing gray-codes-0.1.1 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate gray-codes 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate gray-codes 0.1.1 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gray-codes 0.1.1
[INFO] finished tweaking crates.io crate gray-codes 0.1.1
[INFO] tweaked toml for crates.io crate gray-codes 0.1.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", 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] e419a13c455b284e36f3054643ede33f0a5fcdf0b3c4524320e9d592db012ec1
[INFO] running `Command { std: "docker" "start" "-a" "e419a13c455b284e36f3054643ede33f0a5fcdf0b3c4524320e9d592db012ec1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e419a13c455b284e36f3054643ede33f0a5fcdf0b3c4524320e9d592db012ec1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e419a13c455b284e36f3054643ede33f0a5fcdf0b3c4524320e9d592db012ec1", kill_on_drop: false }`
[INFO] [stdout] e419a13c455b284e36f3054643ede33f0a5fcdf0b3c4524320e9d592db012ec1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4aeaed64b6e39e1d2b465bb55988fe4e0fddb5e13c1acd61b3585e9f4a039f3b
[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" "4aeaed64b6e39e1d2b465bb55988fe4e0fddb5e13c1acd61b3585e9f4a039f3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling gray-codes v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "4aeaed64b6e39e1d2b465bb55988fe4e0fddb5e13c1acd61b3585e9f4a039f3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aeaed64b6e39e1d2b465bb55988fe4e0fddb5e13c1acd61b3585e9f4a039f3b", kill_on_drop: false }`
[INFO] [stdout] 4aeaed64b6e39e1d2b465bb55988fe4e0fddb5e13c1acd61b3585e9f4a039f3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] bc39948cf598b5f50c2f85832a2d5d96fcf6bf231c83a181033c702c953387db
[INFO] running `Command { std: "docker" "start" "-a" "bc39948cf598b5f50c2f85832a2d5d96fcf6bf231c83a181033c702c953387db", kill_on_drop: false }`
[INFO] [stderr]    Compiling gray-codes v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "bc39948cf598b5f50c2f85832a2d5d96fcf6bf231c83a181033c702c953387db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc39948cf598b5f50c2f85832a2d5d96fcf6bf231c83a181033c702c953387db", kill_on_drop: false }`
[INFO] [stdout] bc39948cf598b5f50c2f85832a2d5d96fcf6bf231c83a181033c702c953387db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c109361dd73b99fb7583d053d7c8406d96822148d6fb894662617189c97ee7c5
[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" "c109361dd73b99fb7583d053d7c8406d96822148d6fb894662617189c97ee7c5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gray_codes-f4cf37a6dab1757f)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test gray_code_8 ... ok
[INFO] [stdout] test inclusion_exclusion ... ok
[INFO] [stdout] test subsets ... ok
[INFO] [stdout] test gray_code_16 ... ok
[INFO] [stdout] test gray_code_32 ... ok
[INFO] [stdout] test gray_code_64 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests gray-codes
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/lib.rs - GrayCode8 (line 248) ... ok
[INFO] [stdout] test src/lib.rs - GrayCode8 (line 223) ... ok
[INFO] [stdout] test src/lib.rs - GrayCode64 (line 229) ... ok
[INFO] [stdout] test src/lib.rs - GrayCode16 (line 250) ... ok
[INFO] [stdout] test src/lib.rs - GrayCode32 (line 252) ... ok
[INFO] [stdout] test src/lib.rs - Subsets (line 420) ... ok
[INFO] [stdout] test src/lib.rs - InclusionExclusion (line 276) ... ok
[INFO] [stdout] test src/lib.rs - GrayCode32 (line 227) ... ok
[INFO] [stdout] test src/lib.rs - Subsets (line 394) ... ok
[INFO] [stdout] test src/lib.rs - GrayCode64 (line 254) ... ok
[INFO] [stdout] test src/lib.rs - GrayCode16 (line 225) ... ok
[INFO] [stdout] test src/lib.rs - InclusionExclusion (line 250) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.26s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c109361dd73b99fb7583d053d7c8406d96822148d6fb894662617189c97ee7c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c109361dd73b99fb7583d053d7c8406d96822148d6fb894662617189c97ee7c5", kill_on_drop: false }`
[INFO] [stdout] c109361dd73b99fb7583d053d7c8406d96822148d6fb894662617189c97ee7c5