[INFO] fetching crate practise 0.1.1...
[INFO] testing practise-0.1.1 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate practise 0.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate practise 0.1.1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate practise 0.1.1
[INFO] finished tweaking crates.io crate practise 0.1.1
[INFO] tweaked toml for crates.io crate practise 0.1.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate practise 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9b3a584741b20451b65e5c5c02a394a6b853d980fd1503f77df07efcb791dfb
[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" "e9b3a584741b20451b65e5c5c02a394a6b853d980fd1503f77df07efcb791dfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9b3a584741b20451b65e5c5c02a394a6b853d980fd1503f77df07efcb791dfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9b3a584741b20451b65e5c5c02a394a6b853d980fd1503f77df07efcb791dfb", kill_on_drop: false }`
[INFO] [stdout] e9b3a584741b20451b65e5c5c02a394a6b853d980fd1503f77df07efcb791dfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--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] 3f6d563dd937c6091b591dd68b9fb8249735a563a12c857d917bf4e6a4c6cba1
[INFO] running `Command { std: "docker" "start" "-a" "3f6d563dd937c6091b591dd68b9fb8249735a563a12c857d917bf4e6a4c6cba1", kill_on_drop: false }`
[INFO] [stderr]    Compiling practise v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "3f6d563dd937c6091b591dd68b9fb8249735a563a12c857d917bf4e6a4c6cba1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f6d563dd937c6091b591dd68b9fb8249735a563a12c857d917bf4e6a4c6cba1", kill_on_drop: false }`
[INFO] [stdout] 3f6d563dd937c6091b591dd68b9fb8249735a563a12c857d917bf4e6a4c6cba1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11e7824268e6c3fdf8bf37afe3a130f04e75c2376f2e6754323ce953f9fb95dd
[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" "11e7824268e6c3fdf8bf37afe3a130f04e75c2376f2e6754323ce953f9fb95dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling practise v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "11e7824268e6c3fdf8bf37afe3a130f04e75c2376f2e6754323ce953f9fb95dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11e7824268e6c3fdf8bf37afe3a130f04e75c2376f2e6754323ce953f9fb95dd", kill_on_drop: false }`
[INFO] [stdout] 11e7824268e6c3fdf8bf37afe3a130f04e75c2376f2e6754323ce953f9fb95dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 0d89f5ce359607966481ae5e7e6fb0245b9aa5e28a47da39b7fc249f0d53c9d4
[INFO] running `Command { std: "docker" "start" "-a" "0d89f5ce359607966481ae5e7e6fb0245b9aa5e28a47da39b7fc249f0d53c9d4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/practise-1ed7b811cb2966d0
[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" "0d89f5ce359607966481ae5e7e6fb0245b9aa5e28a47da39b7fc249f0d53c9d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d89f5ce359607966481ae5e7e6fb0245b9aa5e28a47da39b7fc249f0d53c9d4", kill_on_drop: false }`
[INFO] [stdout] 0d89f5ce359607966481ae5e7e6fb0245b9aa5e28a47da39b7fc249f0d53c9d4