[INFO] fetching crate rr-mux 0.10.1...
[INFO] testing rr-mux-0.10.1 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate rr-mux 0.10.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate rr-mux 0.10.1 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rr-mux 0.10.1
[INFO] finished tweaking crates.io crate rr-mux 0.10.1
[INFO] tweaked toml for crates.io crate rr-mux 0.10.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7303e53ce8503905a654ba4798d22d830576546c1869279d207cd822c3500e46
[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" "7303e53ce8503905a654ba4798d22d830576546c1869279d207cd822c3500e46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7303e53ce8503905a654ba4798d22d830576546c1869279d207cd822c3500e46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7303e53ce8503905a654ba4798d22d830576546c1869279d207cd822c3500e46", kill_on_drop: false }`
[INFO] [stdout] 7303e53ce8503905a654ba4798d22d830576546c1869279d207cd822c3500e46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3b9dc25d1e205d97886298f28b8a6472a4b807bdef24c09522859406f922028
[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" "d3b9dc25d1e205d97886298f28b8a6472a4b807bdef24c09522859406f922028", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling futures-sink v0.3.6
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]    Compiling futures-core v0.3.6
[INFO] [stderr]    Compiling futures-io v0.3.6
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]    Compiling futures-channel v0.3.6
[INFO] [stderr]    Compiling futures-task v0.3.6
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling futures-macro v0.3.6
[INFO] [stderr]    Compiling async-trait v0.1.41
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]    Compiling pin-project v0.4.27
[INFO] [stderr]    Compiling futures-util v0.3.6
[INFO] [stderr]    Compiling futures-executor v0.3.6
[INFO] [stderr]    Compiling futures v0.3.6
[INFO] [stderr]    Compiling rr-mux v0.10.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.67s
[INFO] running `Command { std: "docker" "inspect" "d3b9dc25d1e205d97886298f28b8a6472a4b807bdef24c09522859406f922028", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3b9dc25d1e205d97886298f28b8a6472a4b807bdef24c09522859406f922028", kill_on_drop: false }`
[INFO] [stdout] d3b9dc25d1e205d97886298f28b8a6472a4b807bdef24c09522859406f922028
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d19e6f15a9d5cfbb7765a3e5308c413e511529ff977efb6a445a03d3200b5d5c
[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" "d19e6f15a9d5cfbb7765a3e5308c413e511529ff977efb6a445a03d3200b5d5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rr-mux v0.10.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `ctx_in`
[INFO] [stdout]    --> src/mux.rs:203:13
[INFO] [stdout]     |
[INFO] [stdout] 203 |         let ctx_in = C(50);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ctx_in`
[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 3.65s
[INFO] running `Command { std: "docker" "inspect" "d19e6f15a9d5cfbb7765a3e5308c413e511529ff977efb6a445a03d3200b5d5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d19e6f15a9d5cfbb7765a3e5308c413e511529ff977efb6a445a03d3200b5d5c", kill_on_drop: false }`
[INFO] [stdout] d19e6f15a9d5cfbb7765a3e5308c413e511529ff977efb6a445a03d3200b5d5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 54a00add43f03c0e16248b25e4d09326730b4bb5c1843206222ce65f8df95fec
[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" "54a00add43f03c0e16248b25e4d09326730b4bb5c1843206222ce65f8df95fec", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `ctx_in`
[INFO] [stderr]    --> src/mux.rs:203:13
[INFO] [stderr]     |
[INFO] [stderr] 203 |         let ctx_in = C(50);
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ctx_in`
[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 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rr_mux-94f91371769d6221
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test wire::tests::test_wiring ... ok
[INFO] [stdout] test mux::tests::test_mux ... ok
[INFO] [stdout] test mapped::tests::test_mapping ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rr-mux
[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" "54a00add43f03c0e16248b25e4d09326730b4bb5c1843206222ce65f8df95fec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54a00add43f03c0e16248b25e4d09326730b4bb5c1843206222ce65f8df95fec", kill_on_drop: false }`
[INFO] [stdout] 54a00add43f03c0e16248b25e4d09326730b4bb5c1843206222ce65f8df95fec
