[INFO] fetching crate io-mux 1.3.0...
[INFO] testing io-mux-1.3.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate io-mux 1.3.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate io-mux 1.3.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate io-mux 1.3.0
[INFO] finished tweaking crates.io crate io-mux 1.3.0
[INFO] tweaked toml for crates.io crate io-mux 1.3.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5dfcd388661d93c4584fa50258eafe41e09abd264a88db7132ffc106f68e4fb
[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" "d5dfcd388661d93c4584fa50258eafe41e09abd264a88db7132ffc106f68e4fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5dfcd388661d93c4584fa50258eafe41e09abd264a88db7132ffc106f68e4fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5dfcd388661d93c4584fa50258eafe41e09abd264a88db7132ffc106f68e4fb", kill_on_drop: false }`
[INFO] [stdout] d5dfcd388661d93c4584fa50258eafe41e09abd264a88db7132ffc106f68e4fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a02dabeee9cb3f5b277f61645e8b58e32982a357e0d8bfce894e8e99ba14479
[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" "3a02dabeee9cb3f5b277f61645e8b58e32982a357e0d8bfce894e8e99ba14479", kill_on_drop: false }`
[INFO] [stderr]    Compiling io-mux v1.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "3a02dabeee9cb3f5b277f61645e8b58e32982a357e0d8bfce894e8e99ba14479", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a02dabeee9cb3f5b277f61645e8b58e32982a357e0d8bfce894e8e99ba14479", kill_on_drop: false }`
[INFO] [stdout] 3a02dabeee9cb3f5b277f61645e8b58e32982a357e0d8bfce894e8e99ba14479
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 250ef6c2a1825588323dc9570aa4a1fa8d784d0b5de16e93f5656dbc6aff56d8
[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" "250ef6c2a1825588323dc9570aa4a1fa8d784d0b5de16e93f5656dbc6aff56d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling vec-arena v0.5.2
[INFO] [stderr]    Compiling socket2 v0.3.15
[INFO] [stderr]    Compiling signal-hook v0.1.16
[INFO] [stderr]    Compiling futures-lite v0.1.11
[INFO] [stderr]    Compiling polling v0.1.9
[INFO] [stderr]    Compiling async-io v0.2.7
[INFO] [stderr]    Compiling async-process v0.1.3
[INFO] [stderr]    Compiling io-mux v1.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.33s
[INFO] running `Command { std: "docker" "inspect" "250ef6c2a1825588323dc9570aa4a1fa8d784d0b5de16e93f5656dbc6aff56d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "250ef6c2a1825588323dc9570aa4a1fa8d784d0b5de16e93f5656dbc6aff56d8", kill_on_drop: false }`
[INFO] [stdout] 250ef6c2a1825588323dc9570aa4a1fa8d784d0b5de16e93f5656dbc6aff56d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2752a65bb8cae20fe92d86fbfc209467249dcc6e830d31ac8cc8e84725f80f2a
[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" "2752a65bb8cae20fe92d86fbfc209467249dcc6e830d31ac8cc8e84725f80f2a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/io_mux-c2a591f067238d7b
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test::test_path_separator ... ok
[INFO] [stdout] test test::test_new_in ... ok
[INFO] [stderr]    Doc-tests io-mux
[INFO] [stdout] test test::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2752a65bb8cae20fe92d86fbfc209467249dcc6e830d31ac8cc8e84725f80f2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2752a65bb8cae20fe92d86fbfc209467249dcc6e830d31ac8cc8e84725f80f2a", kill_on_drop: false }`
[INFO] [stdout] 2752a65bb8cae20fe92d86fbfc209467249dcc6e830d31ac8cc8e84725f80f2a
