[INFO] fetching crate ztee 0.1.0...
[INFO] testing ztee-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate ztee 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate ztee 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ztee 0.1.0
[INFO] finished tweaking crates.io crate ztee 0.1.0
[INFO] tweaked toml for crates.io crate ztee 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate ztee 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.49.0" "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] ec890daa0a26d37a250d8c1dcf536e1f84c11fcd8ac405b037c27f5b3490ad98
[INFO] running `Command { std: "docker" "start" "-a" "ec890daa0a26d37a250d8c1dcf536e1f84c11fcd8ac405b037c27f5b3490ad98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec890daa0a26d37a250d8c1dcf536e1f84c11fcd8ac405b037c27f5b3490ad98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec890daa0a26d37a250d8c1dcf536e1f84c11fcd8ac405b037c27f5b3490ad98", kill_on_drop: false }`
[INFO] [stdout] ec890daa0a26d37a250d8c1dcf536e1f84c11fcd8ac405b037c27f5b3490ad98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7aff23eec17a5559a28a60e4ba6f08f32766f18295bb9bf4ec5d7751d7ecbfc9
[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" "7aff23eec17a5559a28a60e4ba6f08f32766f18295bb9bf4ec5d7751d7ecbfc9", kill_on_drop: false }`
[INFO] [stderr]    Compiling miniz_oxide v0.3.6
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]    Compiling ztee v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.29s
[INFO] running `Command { std: "docker" "inspect" "7aff23eec17a5559a28a60e4ba6f08f32766f18295bb9bf4ec5d7751d7ecbfc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aff23eec17a5559a28a60e4ba6f08f32766f18295bb9bf4ec5d7751d7ecbfc9", kill_on_drop: false }`
[INFO] [stdout] 7aff23eec17a5559a28a60e4ba6f08f32766f18295bb9bf4ec5d7751d7ecbfc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14a78e4a95943bbcdbfdfe6b272f2e0b299486b5509f211fbd8d6bba5a03ae9e
[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" "14a78e4a95943bbcdbfdfe6b272f2e0b299486b5509f211fbd8d6bba5a03ae9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling ztee v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "14a78e4a95943bbcdbfdfe6b272f2e0b299486b5509f211fbd8d6bba5a03ae9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14a78e4a95943bbcdbfdfe6b272f2e0b299486b5509f211fbd8d6bba5a03ae9e", kill_on_drop: false }`
[INFO] [stdout] 14a78e4a95943bbcdbfdfe6b272f2e0b299486b5509f211fbd8d6bba5a03ae9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a1921d6ce3adeb9acf207d70f774127dc6dc64cde7efe2612956b1e34128d29e
[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" "a1921d6ce3adeb9acf207d70f774127dc6dc64cde7efe2612956b1e34128d29e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ztee-a535a88067546430
[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" "a1921d6ce3adeb9acf207d70f774127dc6dc64cde7efe2612956b1e34128d29e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1921d6ce3adeb9acf207d70f774127dc6dc64cde7efe2612956b1e34128d29e", kill_on_drop: false }`
[INFO] [stdout] a1921d6ce3adeb9acf207d70f774127dc6dc64cde7efe2612956b1e34128d29e