[INFO] cloning repository https://github.com/Valtis/YATCP
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Valtis/YATCP" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FValtis%2FYATCP", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FValtis%2FYATCP'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9dad6426eb096317800902ab77f13e3733ca5107
[INFO] checking Valtis/YATCP against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FValtis%2FYATCP" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Valtis/YATCP on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Valtis/YATCP
[INFO] finished tweaking git repo https://github.com/Valtis/YATCP
[INFO] tweaked toml for git repo https://github.com/Valtis/YATCP written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Valtis/YATCP already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.1
[INFO] [stderr]   Downloaded argparse v0.2.2
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.1
[INFO] [stderr]   Downloaded took v0.1.2
[INFO] [stderr]   Downloaded const_fn v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b666b47ca21273af31be9121b11133302aee7788e1e8138b75344dce1233e6d
[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" "3b666b47ca21273af31be9121b11133302aee7788e1e8138b75344dce1233e6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b666b47ca21273af31be9121b11133302aee7788e1e8138b75344dce1233e6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b666b47ca21273af31be9121b11133302aee7788e1e8138b75344dce1233e6d", kill_on_drop: false }`
[INFO] [stdout] 3b666b47ca21273af31be9121b11133302aee7788e1e8138b75344dce1233e6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43d78065566594c7d35e52c4d19aa4ff1ad7129dd2cdad58058025a6bca8f855
[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" "43d78065566594c7d35e52c4d19aa4ff1ad7129dd2cdad58058025a6bca8f855", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking argparse v0.2.2
[INFO] [stderr]     Checking took v0.1.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking compiler v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `R10`
[INFO] [stdout]   --> src/backend/code_generator/x64/x64_register.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     R10,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `R11`
[INFO] [stdout]   --> src/backend/code_generator/x64/x64_register.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     R11,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `R12`
[INFO] [stdout]   --> src/backend/code_generator/x64/x64_register.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     R12,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `R13`
[INFO] [stdout]   --> src/backend/code_generator/x64/x64_register.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     R13,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `R14`
[INFO] [stdout]   --> src/backend/code_generator/x64/x64_register.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     R14,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `R15`
[INFO] [stdout]   --> src/backend/code_generator/x64/x64_register.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     R15,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ESP`
[INFO] [stdout]   --> src/backend/code_generator/x64/x64_register.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     ESP,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `EBP`
[INFO] [stdout]   --> src/backend/code_generator/x64/x64_register.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     EBP,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `R10`
[INFO] [stdout]   --> src/backend/code_generator/x64/x64_register.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     R10,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `R11`
[INFO] [stdout]   --> src/backend/code_generator/x64/x64_register.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     R11,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `R12`
[INFO] [stdout]   --> src/backend/code_generator/x64/x64_register.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     R12,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `R13`
[INFO] [stdout]   --> src/backend/code_generator/x64/x64_register.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     R13,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `R14`
[INFO] [stdout]   --> src/backend/code_generator/x64/x64_register.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     R14,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `R15`
[INFO] [stdout]   --> src/backend/code_generator/x64/x64_register.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     R15,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ESP`
[INFO] [stdout]   --> src/backend/code_generator/x64/x64_register.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     ESP,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `EBP`
[INFO] [stdout]   --> src/backend/code_generator/x64/x64_register.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     EBP,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.72s
[INFO] running `Command { std: "docker" "inspect" "43d78065566594c7d35e52c4d19aa4ff1ad7129dd2cdad58058025a6bca8f855", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43d78065566594c7d35e52c4d19aa4ff1ad7129dd2cdad58058025a6bca8f855", kill_on_drop: false }`
[INFO] [stdout] 43d78065566594c7d35e52c4d19aa4ff1ad7129dd2cdad58058025a6bca8f855