[INFO] fetching crate slingr 0.1.0...
[INFO] testing slingr-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate slingr 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate slingr 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 slingr 0.1.0
[INFO] finished tweaking crates.io crate slingr 0.1.0
[INFO] tweaked toml for crates.io crate slingr 0.1.0 written to /workspace/builds/worker-4/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] e545767841bc232942bd3470ca1b8f8cd414e64390c657b4a484ba86663d8915
[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" "e545767841bc232942bd3470ca1b8f8cd414e64390c657b4a484ba86663d8915", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e545767841bc232942bd3470ca1b8f8cd414e64390c657b4a484ba86663d8915", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e545767841bc232942bd3470ca1b8f8cd414e64390c657b4a484ba86663d8915", kill_on_drop: false }`
[INFO] [stdout] e545767841bc232942bd3470ca1b8f8cd414e64390c657b4a484ba86663d8915
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 559acbbbcff5c8ab6df573f6f08b7daf9a1195a9d2af10e2d3ee6fdaf8ab293f
[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" "559acbbbcff5c8ab6df573f6f08b7daf9a1195a9d2af10e2d3ee6fdaf8ab293f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling termios v0.3.3
[INFO] [stderr]    Compiling slingr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `new_termios`
[INFO] [stdout]  --> src/cli.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     new_termios: Termios,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.28s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "559acbbbcff5c8ab6df573f6f08b7daf9a1195a9d2af10e2d3ee6fdaf8ab293f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "559acbbbcff5c8ab6df573f6f08b7daf9a1195a9d2af10e2d3ee6fdaf8ab293f", kill_on_drop: false }`
[INFO] [stdout] 559acbbbcff5c8ab6df573f6f08b7daf9a1195a9d2af10e2d3ee6fdaf8ab293f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 5293e0175939294be69ed706e1a7eee35b140a5af6a22fe2f7289f01325f758d
[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" "5293e0175939294be69ed706e1a7eee35b140a5af6a22fe2f7289f01325f758d", kill_on_drop: false }`
[INFO] [stderr]    Compiling slingr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `new_termios`
[INFO] [stdout]  --> src/cli.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     new_termios: Termios,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "5293e0175939294be69ed706e1a7eee35b140a5af6a22fe2f7289f01325f758d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5293e0175939294be69ed706e1a7eee35b140a5af6a22fe2f7289f01325f758d", kill_on_drop: false }`
[INFO] [stdout] 5293e0175939294be69ed706e1a7eee35b140a5af6a22fe2f7289f01325f758d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] e951b289eb75d5c3daa4c815b72fef999bd9a2e301f00ae9b6cc8c4c8e948e17
[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" "e951b289eb75d5c3daa4c815b72fef999bd9a2e301f00ae9b6cc8c4c8e948e17", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `new_termios`
[INFO] [stderr]  --> src/cli.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     new_termios: Termios,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/slingr-d6feb1dd319bb77b
[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" "e951b289eb75d5c3daa4c815b72fef999bd9a2e301f00ae9b6cc8c4c8e948e17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e951b289eb75d5c3daa4c815b72fef999bd9a2e301f00ae9b6cc8c4c8e948e17", kill_on_drop: false }`
[INFO] [stdout] e951b289eb75d5c3daa4c815b72fef999bd9a2e301f00ae9b6cc8c4c8e948e17