[INFO] fetching crate tcpproxy 0.1.0...
[INFO] testing tcpproxy-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate tcpproxy 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tcpproxy 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 tcpproxy 0.1.0
[INFO] finished tweaking crates.io crate tcpproxy 0.1.0
[INFO] tweaked toml for crates.io crate tcpproxy 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 6819911d43b5b770b96c1465ad9326a02a2c036b205632ce3f59e14b637075e8
[INFO] running `Command { std: "docker" "start" "-a" "6819911d43b5b770b96c1465ad9326a02a2c036b205632ce3f59e14b637075e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6819911d43b5b770b96c1465ad9326a02a2c036b205632ce3f59e14b637075e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6819911d43b5b770b96c1465ad9326a02a2c036b205632ce3f59e14b637075e8", kill_on_drop: false }`
[INFO] [stdout] 6819911d43b5b770b96c1465ad9326a02a2c036b205632ce3f59e14b637075e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a4de2906996b3bbf3e3907f9358c3a247f123bba13c0e97abff9946a51401a86
[INFO] running `Command { std: "docker" "start" "-a" "a4de2906996b3bbf3e3907f9358c3a247f123bba13c0e97abff9946a51401a86", kill_on_drop: false }`
[INFO] [stderr]    Compiling tcpproxy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `timeouts` is never read
[INFO] [stdout]    --> src/main.rs:138:29
[INFO] [stdout]     |
[INFO] [stdout] 138 | ...                   timeouts = 0; //reset timeout count
[INFO] [stdout]     |                       ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timeouts`
[INFO] [stdout]    --> src/main.rs:138:29
[INFO] [stdout]     |
[INFO] [stdout] 138 | ...                   timeouts = 0; //reset timeout count
[INFO] [stdout]     |                       ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.37s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a4de2906996b3bbf3e3907f9358c3a247f123bba13c0e97abff9946a51401a86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4de2906996b3bbf3e3907f9358c3a247f123bba13c0e97abff9946a51401a86", kill_on_drop: false }`
[INFO] [stdout] a4de2906996b3bbf3e3907f9358c3a247f123bba13c0e97abff9946a51401a86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 2cb44c86aa4a77721245f9d122907ea40f2914d0fd34f19d4bdab27d60a5cf4c
[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" "2cb44c86aa4a77721245f9d122907ea40f2914d0fd34f19d4bdab27d60a5cf4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling tcpproxy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `timeouts` is never read
[INFO] [stdout]    --> src/main.rs:138:29
[INFO] [stdout]     |
[INFO] [stdout] 138 | ...                   timeouts = 0; //reset timeout count
[INFO] [stdout]     |                       ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timeouts`
[INFO] [stdout]    --> src/main.rs:138:29
[INFO] [stdout]     |
[INFO] [stdout] 138 | ...                   timeouts = 0; //reset timeout count
[INFO] [stdout]     |                       ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "2cb44c86aa4a77721245f9d122907ea40f2914d0fd34f19d4bdab27d60a5cf4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cb44c86aa4a77721245f9d122907ea40f2914d0fd34f19d4bdab27d60a5cf4c", kill_on_drop: false }`
[INFO] [stdout] 2cb44c86aa4a77721245f9d122907ea40f2914d0fd34f19d4bdab27d60a5cf4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] b1c9c6b970fca2a15c1c38b9cf9882862fb9e47456abbd424bfaa3e3029f0c05
[INFO] running `Command { std: "docker" "start" "-a" "b1c9c6b970fca2a15c1c38b9cf9882862fb9e47456abbd424bfaa3e3029f0c05", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: value assigned to `timeouts` is never read
[INFO] [stdout] running 0 tests
[INFO] [stderr]    --> src/main.rs:138:29
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 138 | ...                   timeouts = 0; //reset timeout count
[INFO] [stdout] 
[INFO] [stderr]     |                       ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `timeouts`
[INFO] [stderr]    --> src/main.rs:138:29
[INFO] [stderr]     |
[INFO] [stderr] 138 | ...                   timeouts = 0; //reset timeout count
[INFO] [stderr]     |                       ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]     = help: did you mean to capture by reference instead?
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tcpproxy-32e192ffe58fd7e2
[INFO] running `Command { std: "docker" "inspect" "b1c9c6b970fca2a15c1c38b9cf9882862fb9e47456abbd424bfaa3e3029f0c05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1c9c6b970fca2a15c1c38b9cf9882862fb9e47456abbd424bfaa3e3029f0c05", kill_on_drop: false }`
[INFO] [stdout] b1c9c6b970fca2a15c1c38b9cf9882862fb9e47456abbd424bfaa3e3029f0c05