[INFO] fetching crate signalo_sources 0.5.2...
[INFO] testing signalo_sources-0.5.2 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate signalo_sources 0.5.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate signalo_sources 0.5.2 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate signalo_sources 0.5.2
[INFO] finished tweaking crates.io crate signalo_sources 0.5.2
[INFO] tweaked toml for crates.io crate signalo_sources 0.5.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nearly_eq v0.2.4
[INFO] [stderr]   Downloaded signalo_traits v0.5.0
[INFO] [stderr]   Downloaded dimensioned v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d289aa7a6e0075959d1f5a62a3191392fd2086dc78575dbed19ab1d993cde61d
[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" "d289aa7a6e0075959d1f5a62a3191392fd2086dc78575dbed19ab1d993cde61d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d289aa7a6e0075959d1f5a62a3191392fd2086dc78575dbed19ab1d993cde61d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d289aa7a6e0075959d1f5a62a3191392fd2086dc78575dbed19ab1d993cde61d", kill_on_drop: false }`
[INFO] [stdout] d289aa7a6e0075959d1f5a62a3191392fd2086dc78575dbed19ab1d993cde61d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9068c17511b88509fd9ec073cff9790062b5c7a48b4c6234d09e897a05592be
[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" "f9068c17511b88509fd9ec073cff9790062b5c7a48b4c6234d09e897a05592be", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling guts v0.1.1
[INFO] [stderr]    Compiling replace_with v0.1.7
[INFO] [stderr]    Compiling signalo_traits v0.5.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling signalo_sources v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.12s
[INFO] running `Command { std: "docker" "inspect" "f9068c17511b88509fd9ec073cff9790062b5c7a48b4c6234d09e897a05592be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9068c17511b88509fd9ec073cff9790062b5c7a48b4c6234d09e897a05592be", kill_on_drop: false }`
[INFO] [stdout] f9068c17511b88509fd9ec073cff9790062b5c7a48b4c6234d09e897a05592be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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] 175427bab6a80d7d4dffa6c493fcdb4431269df8d7b0402b6a82589cc73d805a
[INFO] running `Command { std: "docker" "start" "-a" "175427bab6a80d7d4dffa6c493fcdb4431269df8d7b0402b6a82589cc73d805a", kill_on_drop: false }`
[INFO] [stderr]    Compiling nearly_eq v0.2.4
[INFO] [stderr]    Compiling signalo_sources v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `Command { std: "docker" "inspect" "175427bab6a80d7d4dffa6c493fcdb4431269df8d7b0402b6a82589cc73d805a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "175427bab6a80d7d4dffa6c493fcdb4431269df8d7b0402b6a82589cc73d805a", kill_on_drop: false }`
[INFO] [stdout] 175427bab6a80d7d4dffa6c493fcdb4431269df8d7b0402b6a82589cc73d805a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ffc2f713bfa60a5720a91b1a5c63547fe8a01395f63f96d9f7671d41d8de7af7
[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" "ffc2f713bfa60a5720a91b1a5c63547fe8a01395f63f96d9f7671d41d8de7af7", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 17 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/signalo_sources-b13510281859b178)
[INFO] [stdout] test cache::tests::test ... ok
[INFO] [stdout] test chain::tests::head_empty ... ok
[INFO] [stdout] test chain::tests::non_empty ... ok
[INFO] [stdout] test chain::tests::tail_empty ... ok
[INFO] [stdout] test constant::tests::test ... ok
[INFO] [stdout] test cycle::tests::non_empty ... ok
[INFO] [stdout] test increment::tests::test ... ok
[INFO] [stdout] test from_iter::tests::test ... ok
[INFO] [stdout] test into_iter::tests::test ... ok
[INFO] [stdout] test pad::constant::tests::empty ... ok
[INFO] [stdout] test pad::constant::tests::non_empty ... ok
[INFO] [stdout] test pad::edge::tests::non_empty ... ok
[INFO] [stdout] test peek::tests::test ... ok
[INFO] [stdout] test repeat::tests::test ... ok
[INFO] [stdout] test take::tests::test ... ok
[INFO] [stdout] test pad::edge::tests::empty ... ok
[INFO] [stdout] test skip::tests::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests signalo_sources
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/take.rs - take::Take (line 13) ... ok
[INFO] [stdout] test src/chain.rs - chain::Chain (line 22) ... ok
[INFO] [stdout] test src/constant.rs - constant::Constant (line 13) ... ok
[INFO] [stdout] test src/repeat.rs - repeat::Repeat (line 16) ... ok
[INFO] [stdout] test src/pad/edge.rs - pad::edge::Pad (line 29) ... ok
[INFO] [stdout] test src/skip.rs - skip::Skip (line 14) ... ok
[INFO] [stdout] test src/pad/constant.rs - pad::constant::Pad (line 25) ... ok
[INFO] [stdout] test src/into_iter.rs - into_iter::IntoIter (line 13) ... ok
[INFO] [stdout] test src/increment.rs - increment::Increment (line 15) ... ok
[INFO] [stdout] test src/from_iter.rs - from_iter::FromIter (line 13) ... ok
[INFO] [stdout] test src/cycle.rs - cycle::Cycle (line 13) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.82s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ffc2f713bfa60a5720a91b1a5c63547fe8a01395f63f96d9f7671d41d8de7af7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffc2f713bfa60a5720a91b1a5c63547fe8a01395f63f96d9f7671d41d8de7af7", kill_on_drop: false }`
[INFO] [stdout] ffc2f713bfa60a5720a91b1a5c63547fe8a01395f63f96d9f7671d41d8de7af7