[INFO] fetching crate travis-rust-demo 0.1.0...
[INFO] testing travis-rust-demo-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate travis-rust-demo 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate travis-rust-demo 0.1.0 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 travis-rust-demo 0.1.0
[INFO] finished tweaking crates.io crate travis-rust-demo 0.1.0
[INFO] tweaked toml for crates.io crate travis-rust-demo 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate travis-rust-demo 0.1.0 already has a lockfile, it will not be regenerated
[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] [stdout] f24d4f808140d9aafe7bb36915d3e3d8d30de460ad5ca63add4400f2ff20d21f
[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" "f24d4f808140d9aafe7bb36915d3e3d8d30de460ad5ca63add4400f2ff20d21f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f24d4f808140d9aafe7bb36915d3e3d8d30de460ad5ca63add4400f2ff20d21f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f24d4f808140d9aafe7bb36915d3e3d8d30de460ad5ca63add4400f2ff20d21f", kill_on_drop: false }`
[INFO] [stdout] f24d4f808140d9aafe7bb36915d3e3d8d30de460ad5ca63add4400f2ff20d21f
[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] 5ab3252b0176d1f00ed2eb33552ebeaa564c474cd2d2dad01f0ac0d7df3ee8c1
[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" "5ab3252b0176d1f00ed2eb33552ebeaa564c474cd2d2dad01f0ac0d7df3ee8c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling travis-rust-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "5ab3252b0176d1f00ed2eb33552ebeaa564c474cd2d2dad01f0ac0d7df3ee8c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ab3252b0176d1f00ed2eb33552ebeaa564c474cd2d2dad01f0ac0d7df3ee8c1", kill_on_drop: false }`
[INFO] [stdout] 5ab3252b0176d1f00ed2eb33552ebeaa564c474cd2d2dad01f0ac0d7df3ee8c1
[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] 4f11fe55252282c07cbd30d4816633bb73fc6d569ce155b383f19bcfc562fb62
[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" "4f11fe55252282c07cbd30d4816633bb73fc6d569ce155b383f19bcfc562fb62", kill_on_drop: false }`
[INFO] [stderr]    Compiling travis-rust-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "4f11fe55252282c07cbd30d4816633bb73fc6d569ce155b383f19bcfc562fb62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f11fe55252282c07cbd30d4816633bb73fc6d569ce155b383f19bcfc562fb62", kill_on_drop: false }`
[INFO] [stdout] 4f11fe55252282c07cbd30d4816633bb73fc6d569ce155b383f19bcfc562fb62
[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] bb451a65ee55d76b971cc86daffeb4f6bd5ff663c86e4f27c3a0286c3e6bdafb
[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" "bb451a65ee55d76b971cc86daffeb4f6bd5ff663c86e4f27c3a0286c3e6bdafb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/travis_rust_demo-1f71e65290f78349
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bb451a65ee55d76b971cc86daffeb4f6bd5ff663c86e4f27c3a0286c3e6bdafb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb451a65ee55d76b971cc86daffeb4f6bd5ff663c86e4f27c3a0286c3e6bdafb", kill_on_drop: false }`
[INFO] [stdout] bb451a65ee55d76b971cc86daffeb4f6bd5ff663c86e4f27c3a0286c3e6bdafb