[INFO] cloning repository https://github.com/singaraiona/Streams
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/singaraiona/Streams" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsingaraiona%2FStreams", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsingaraiona%2FStreams'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d2b9d48494802b8a8f551f6423024e11f42328ab
[INFO] testing singaraiona/Streams against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsingaraiona%2FStreams" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/singaraiona/Streams 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 git repo https://github.com/singaraiona/Streams
[INFO] finished tweaking git repo https://github.com/singaraiona/Streams
[INFO] tweaked toml for git repo https://github.com/singaraiona/Streams written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/singaraiona/Streams 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] b7444e34fc15aec61a8ce487e2875c90dd743d52e6c565cffd9f73acda059352
[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" "b7444e34fc15aec61a8ce487e2875c90dd743d52e6c565cffd9f73acda059352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7444e34fc15aec61a8ce487e2875c90dd743d52e6c565cffd9f73acda059352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7444e34fc15aec61a8ce487e2875c90dd743d52e6c565cffd9f73acda059352", kill_on_drop: false }`
[INFO] [stdout] b7444e34fc15aec61a8ce487e2875c90dd743d52e6c565cffd9f73acda059352
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 5459bcb146252c4e213517eba802b8e204e100245fe2f5367fe4e87380c5cc3f
[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" "5459bcb146252c4e213517eba802b8e204e100245fe2f5367fe4e87380c5cc3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling stream v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `msg_type`
[INFO] [stdout]  --> src/iter/get.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     msg_type: u32,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `queue_desc`
[INFO] [stdout]   --> src/iter/get.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     queue_desc: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `proto`
[INFO] [stdout]   --> src/iter/get.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     proto: Proto,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "5459bcb146252c4e213517eba802b8e204e100245fe2f5367fe4e87380c5cc3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5459bcb146252c4e213517eba802b8e204e100245fe2f5367fe4e87380c5cc3f", kill_on_drop: false }`
[INFO] [stdout] 5459bcb146252c4e213517eba802b8e204e100245fe2f5367fe4e87380c5cc3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fbeb2cf80357ff8ed16d013c60d263668d6ed1d5cd03a13694c4a43114e0786e
[INFO] running `Command { std: "docker" "start" "-a" "fbeb2cf80357ff8ed16d013c60d263668d6ed1d5cd03a13694c4a43114e0786e", kill_on_drop: false }`
[INFO] [stderr]    Compiling stream v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `msg_type`
[INFO] [stdout]  --> src/iter/get.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     msg_type: u32,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `queue_desc`
[INFO] [stdout]   --> src/iter/get.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     queue_desc: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `proto`
[INFO] [stdout]   --> src/iter/get.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     proto: Proto,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `msg_type`
[INFO] [stdout]  --> src/iter/get.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     msg_type: u32,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `queue_desc`
[INFO] [stdout]   --> src/iter/get.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     queue_desc: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `proto`
[INFO] [stdout]   --> src/iter/get.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     proto: Proto,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "fbeb2cf80357ff8ed16d013c60d263668d6ed1d5cd03a13694c4a43114e0786e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbeb2cf80357ff8ed16d013c60d263668d6ed1d5cd03a13694c4a43114e0786e", kill_on_drop: false }`
[INFO] [stdout] fbeb2cf80357ff8ed16d013c60d263668d6ed1d5cd03a13694c4a43114e0786e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 25e932325b760f0409e9758171a709e124ded82e32369b9546bdc8ae1bc9929e
[INFO] running `Command { std: "docker" "start" "-a" "25e932325b760f0409e9758171a709e124ded82e32369b9546bdc8ae1bc9929e", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `msg_type`
[INFO] [stderr]  --> src/iter/get.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     msg_type: u32,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `queue_desc`
[INFO] [stderr]   --> src/iter/get.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     queue_desc: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `proto`
[INFO] [stderr]   --> src/iter/get.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     proto: Proto,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `msg_type`
[INFO] [stderr]  --> src/iter/get.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     msg_type: u32,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `queue_desc`
[INFO] [stderr]   --> src/iter/get.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     queue_desc: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `proto`
[INFO] [stderr]   --> src/iter/get.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     proto: Proto,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/stream-a4e3e775e03ada25
[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] [stderr]      Running /opt/rustwide/target/debug/deps/stream-b368afb6ba42e2cf
[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] [stderr]    Doc-tests stream
[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" "25e932325b760f0409e9758171a709e124ded82e32369b9546bdc8ae1bc9929e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25e932325b760f0409e9758171a709e124ded82e32369b9546bdc8ae1bc9929e", kill_on_drop: false }`
[INFO] [stdout] 25e932325b760f0409e9758171a709e124ded82e32369b9546bdc8ae1bc9929e