[INFO] cloning repository https://github.com/neosmart/tcpproxy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/neosmart/tcpproxy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneosmart%2Ftcpproxy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneosmart%2Ftcpproxy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 44b8380ad8dec66a10eb6c3f20fef436f91a615d
[INFO] checking neosmart/tcpproxy against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneosmart%2Ftcpproxy" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/neosmart/tcpproxy on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/neosmart/tcpproxy
[INFO] finished tweaking git repo https://github.com/neosmart/tcpproxy
[INFO] tweaked toml for git repo https://github.com/neosmart/tcpproxy written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/neosmart/tcpproxy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v0.3.0
[INFO] [stderr]   Downloaded mio v0.7.4
[INFO] [stderr]   Downloaded tokio v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2dc0aaa53c608f559981bbd6e5d6d4986337538ffcb58e0cb2a7b54564387e40
[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" "2dc0aaa53c608f559981bbd6e5d6d4986337538ffcb58e0cb2a7b54564387e40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2dc0aaa53c608f559981bbd6e5d6d4986337538ffcb58e0cb2a7b54564387e40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dc0aaa53c608f559981bbd6e5d6d4986337538ffcb58e0cb2a7b54564387e40", kill_on_drop: false }`
[INFO] [stdout] 2dc0aaa53c608f559981bbd6e5d6d4986337538ffcb58e0cb2a7b54564387e40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--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] 498aa396014b6412e9bab08bb357176083df757713f0fd9a9ab65d6ba430de1a
[INFO] running `Command { std: "docker" "start" "-a" "498aa396014b6412e9bab08bb357176083df757713f0fd9a9ab65d6ba430de1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling syn v1.0.46
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-core v0.3.6
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking futures-sink v0.3.6
[INFO] [stderr]     Checking futures-io v0.3.6
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking object v0.21.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking bytes v0.6.0
[INFO] [stderr]     Checking futures-task v0.3.6
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking instant v0.1.7
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking futures-channel v0.3.6
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking mio v0.7.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking resolv-conf v0.6.3
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking backtrace v0.3.53
[INFO] [stderr]    Compiling futures-macro v0.3.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling async-trait v0.1.41
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling tokio-macros v0.3.0
[INFO] [stderr]     Checking tokio v0.3.1
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking futures-util v0.3.6
[INFO] [stderr]     Checking futures-executor v0.3.6
[INFO] [stderr]     Checking futures v0.3.6
[INFO] [stderr]     Checking trust-dns-proto v0.19.5
[INFO] [stderr]     Checking trust-dns-resolver v0.19.5
[INFO] [stderr]     Checking tcpproxy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.41s
[INFO] running `Command { std: "docker" "inspect" "498aa396014b6412e9bab08bb357176083df757713f0fd9a9ab65d6ba430de1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "498aa396014b6412e9bab08bb357176083df757713f0fd9a9ab65d6ba430de1a", kill_on_drop: false }`
[INFO] [stdout] 498aa396014b6412e9bab08bb357176083df757713f0fd9a9ab65d6ba430de1a