[INFO] fetching crate slice_n 0.0.2...
[INFO] testing slice_n-0.0.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate slice_n 0.0.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate slice_n 0.0.2 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slice_n 0.0.2
[INFO] finished tweaking crates.io crate slice_n 0.0.2
[INFO] tweaked toml for crates.io crate slice_n 0.0.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] aa06910031c5f794ef5e86b6ed81a87cad753709654aa3e2efe9abfbcf0fab22
[INFO] running `Command { std: "docker" "start" "-a" "aa06910031c5f794ef5e86b6ed81a87cad753709654aa3e2efe9abfbcf0fab22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa06910031c5f794ef5e86b6ed81a87cad753709654aa3e2efe9abfbcf0fab22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa06910031c5f794ef5e86b6ed81a87cad753709654aa3e2efe9abfbcf0fab22", kill_on_drop: false }`
[INFO] [stdout] aa06910031c5f794ef5e86b6ed81a87cad753709654aa3e2efe9abfbcf0fab22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26502fc74d7b20ebfff3a296bada83e2ae5c532d46ae7032a3c9e52435afdb07
[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" "26502fc74d7b20ebfff3a296bada83e2ae5c532d46ae7032a3c9e52435afdb07", kill_on_drop: false }`
[INFO] [stderr]    Compiling slice_n v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "26502fc74d7b20ebfff3a296bada83e2ae5c532d46ae7032a3c9e52435afdb07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26502fc74d7b20ebfff3a296bada83e2ae5c532d46ae7032a3c9e52435afdb07", kill_on_drop: false }`
[INFO] [stdout] 26502fc74d7b20ebfff3a296bada83e2ae5c532d46ae7032a3c9e52435afdb07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 7fa2ca6f2c1cdb863d40fc353aad5cc86190210d423c9c04a4dcd7ce46116319
[INFO] running `Command { std: "docker" "start" "-a" "7fa2ca6f2c1cdb863d40fc353aad5cc86190210d423c9c04a4dcd7ce46116319", kill_on_drop: false }`
[INFO] [stderr]    Compiling slice_n v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/slice_n-c4734661282bffda)
[INFO] running `Command { std: "docker" "inspect" "7fa2ca6f2c1cdb863d40fc353aad5cc86190210d423c9c04a4dcd7ce46116319", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fa2ca6f2c1cdb863d40fc353aad5cc86190210d423c9c04a4dcd7ce46116319", kill_on_drop: false }`
[INFO] [stdout] 7fa2ca6f2c1cdb863d40fc353aad5cc86190210d423c9c04a4dcd7ce46116319
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", 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] c5b9dc88a752270ec80c5df843b7ea0b505dd80e9afc5cfa7e175638fff5caff
[INFO] running `Command { std: "docker" "start" "-a" "c5b9dc88a752270ec80c5df843b7ea0b505dd80e9afc5cfa7e175638fff5caff", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/slice_n-c4734661282bffda)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests slice_n
[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" "c5b9dc88a752270ec80c5df843b7ea0b505dd80e9afc5cfa7e175638fff5caff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5b9dc88a752270ec80c5df843b7ea0b505dd80e9afc5cfa7e175638fff5caff", kill_on_drop: false }`
[INFO] [stdout] c5b9dc88a752270ec80c5df843b7ea0b505dd80e9afc5cfa7e175638fff5caff