[INFO] fetching crate rscat 0.1.1...
[INFO] testing rscat-0.1.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate rscat 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rscat 0.1.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rscat 0.1.1
[INFO] finished tweaking crates.io crate rscat 0.1.1
[INFO] tweaked toml for crates.io crate rscat 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 177f9ffbcb1e1cde3fd169f6f8b65bc2f1405cedd3d83241ba539c369b4945c0
[INFO] running `Command { std: "docker" "start" "-a" "177f9ffbcb1e1cde3fd169f6f8b65bc2f1405cedd3d83241ba539c369b4945c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "177f9ffbcb1e1cde3fd169f6f8b65bc2f1405cedd3d83241ba539c369b4945c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "177f9ffbcb1e1cde3fd169f6f8b65bc2f1405cedd3d83241ba539c369b4945c0", kill_on_drop: false }`
[INFO] [stdout] 177f9ffbcb1e1cde3fd169f6f8b65bc2f1405cedd3d83241ba539c369b4945c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ca54d0e1faa400d421c73785dc1ea484bbbb3f83baf56b9bccedb5e862501de
[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" "5ca54d0e1faa400d421c73785dc1ea484bbbb3f83baf56b9bccedb5e862501de", kill_on_drop: false }`
[INFO] [stderr]    Compiling rscat v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "5ca54d0e1faa400d421c73785dc1ea484bbbb3f83baf56b9bccedb5e862501de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ca54d0e1faa400d421c73785dc1ea484bbbb3f83baf56b9bccedb5e862501de", kill_on_drop: false }`
[INFO] [stdout] 5ca54d0e1faa400d421c73785dc1ea484bbbb3f83baf56b9bccedb5e862501de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c57948ce0cbf86a5eab5d971c599d70c2c7aceaee08ce08ed3a7150c56f7f321
[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" "c57948ce0cbf86a5eab5d971c599d70c2c7aceaee08ce08ed3a7150c56f7f321", kill_on_drop: false }`
[INFO] [stderr]    Compiling rscat v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "c57948ce0cbf86a5eab5d971c599d70c2c7aceaee08ce08ed3a7150c56f7f321", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c57948ce0cbf86a5eab5d971c599d70c2c7aceaee08ce08ed3a7150c56f7f321", kill_on_drop: false }`
[INFO] [stdout] c57948ce0cbf86a5eab5d971c599d70c2c7aceaee08ce08ed3a7150c56f7f321
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3348d65604df1c596eaaf426201157d305e4ccee589619619556ae636990ae2a
[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" "3348d65604df1c596eaaf426201157d305e4ccee589619619556ae636990ae2a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rscat-32bf17efd88fbf45
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::read_and_compare ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3348d65604df1c596eaaf426201157d305e4ccee589619619556ae636990ae2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3348d65604df1c596eaaf426201157d305e4ccee589619619556ae636990ae2a", kill_on_drop: false }`
[INFO] [stdout] 3348d65604df1c596eaaf426201157d305e4ccee589619619556ae636990ae2a