[INFO] cloning repository https://github.com/codymlewis/dos-attacks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/codymlewis/dos-attacks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodymlewis%2Fdos-attacks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodymlewis%2Fdos-attacks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 102bf52801940a29803b8b52d13aa67f8482031a
[INFO] checking codymlewis/dos-attacks against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodymlewis%2Fdos-attacks" "/workspace/builds/worker-56/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-56/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/codymlewis/dos-attacks on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/codymlewis/dos-attacks
[INFO] finished tweaking git repo https://github.com/codymlewis/dos-attacks
[INFO] tweaked toml for git repo https://github.com/codymlewis/dos-attacks written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] crate git repo https://github.com/codymlewis/dos-attacks already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b269d4539cf8d37744a1a2defc4581c1b847ab5ab08ea08e8f97be61cb334eca
[INFO] running `Command { std: "docker" "start" "-a" "b269d4539cf8d37744a1a2defc4581c1b847ab5ab08ea08e8f97be61cb334eca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b269d4539cf8d37744a1a2defc4581c1b847ab5ab08ea08e8f97be61cb334eca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b269d4539cf8d37744a1a2defc4581c1b847ab5ab08ea08e8f97be61cb334eca", kill_on_drop: false }`
[INFO] [stdout] b269d4539cf8d37744a1a2defc4581c1b847ab5ab08ea08e8f97be61cb334eca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe93eb1ab0d89db810f51666e9a00b656098e27bb861042083037ac8f0370be8
[INFO] running `Command { std: "docker" "start" "-a" "fe93eb1ab0d89db810f51666e9a00b656098e27bb861042083037ac8f0370be8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]     Checking pnet_base v0.26.0
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling pnet v0.26.0
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]     Checking pnet_macros_support v0.26.0
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]     Checking pnet_sys v0.26.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking ipnetwork v0.16.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking pnet_datalink v0.26.0
[INFO] [stderr]     Checking ctrlc v3.1.4
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.26.0
[INFO] [stderr]    Compiling pnet_packet v0.26.0
[INFO] [stderr]     Checking pnet_transport v0.26.0
[INFO] [stderr]     Checking dos-attacks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.42s
[INFO] running `Command { std: "docker" "inspect" "fe93eb1ab0d89db810f51666e9a00b656098e27bb861042083037ac8f0370be8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe93eb1ab0d89db810f51666e9a00b656098e27bb861042083037ac8f0370be8", kill_on_drop: false }`
[INFO] [stdout] fe93eb1ab0d89db810f51666e9a00b656098e27bb861042083037ac8f0370be8