[INFO] cloning repository https://github.com/vinhjaxt/tcp-proxy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vinhjaxt/tcp-proxy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvinhjaxt%2Ftcp-proxy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvinhjaxt%2Ftcp-proxy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 720652fc8f02c45f63d81cb4744be14976f0f695
[INFO] checking vinhjaxt/tcp-proxy against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvinhjaxt%2Ftcp-proxy" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vinhjaxt/tcp-proxy on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vinhjaxt/tcp-proxy
[INFO] finished tweaking git repo https://github.com/vinhjaxt/tcp-proxy
[INFO] tweaked toml for git repo https://github.com/vinhjaxt/tcp-proxy written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/vinhjaxt/tcp-proxy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c26dffa63fbb1e0d8016dda6a359daaa400ca186427b3024fe088cb24e2ebc9
[INFO] running `Command { std: "docker" "start" "-a" "1c26dffa63fbb1e0d8016dda6a359daaa400ca186427b3024fe088cb24e2ebc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c26dffa63fbb1e0d8016dda6a359daaa400ca186427b3024fe088cb24e2ebc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c26dffa63fbb1e0d8016dda6a359daaa400ca186427b3024fe088cb24e2ebc9", kill_on_drop: false }`
[INFO] [stdout] 1c26dffa63fbb1e0d8016dda6a359daaa400ca186427b3024fe088cb24e2ebc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 236941c11663e98319d39fe469a34f1f4514da0e1a18b9277f64e764da9b8c0f
[INFO] running `Command { std: "docker" "start" "-a" "236941c11663e98319d39fe469a34f1f4514da0e1a18b9277f64e764da9b8c0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]     Checking tokio v1.15.0
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking tcp-proxy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.89s
[INFO] running `Command { std: "docker" "inspect" "236941c11663e98319d39fe469a34f1f4514da0e1a18b9277f64e764da9b8c0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "236941c11663e98319d39fe469a34f1f4514da0e1a18b9277f64e764da9b8c0f", kill_on_drop: false }`
[INFO] [stdout] 236941c11663e98319d39fe469a34f1f4514da0e1a18b9277f64e764da9b8c0f
[INFO] checking vinhjaxt/tcp-proxy against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvinhjaxt%2Ftcp-proxy" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vinhjaxt/tcp-proxy on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vinhjaxt/tcp-proxy
[INFO] finished tweaking git repo https://github.com/vinhjaxt/tcp-proxy
[INFO] tweaked toml for git repo https://github.com/vinhjaxt/tcp-proxy written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/vinhjaxt/tcp-proxy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca02dbeda5592fde23237fe4e3c29930dc6e69276b9fa3ca3811052291f62fc2
[INFO] running `Command { std: "docker" "start" "-a" "ca02dbeda5592fde23237fe4e3c29930dc6e69276b9fa3ca3811052291f62fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca02dbeda5592fde23237fe4e3c29930dc6e69276b9fa3ca3811052291f62fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca02dbeda5592fde23237fe4e3c29930dc6e69276b9fa3ca3811052291f62fc2", kill_on_drop: false }`
[INFO] [stdout] ca02dbeda5592fde23237fe4e3c29930dc6e69276b9fa3ca3811052291f62fc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a4c19af4fa78602ad59653c422d77cfb4a5c75c4c127a3f2a5d5eb9a05270ae
[INFO] running `Command { std: "docker" "start" "-a" "9a4c19af4fa78602ad59653c422d77cfb4a5c75c4c127a3f2a5d5eb9a05270ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]     Checking tokio v1.15.0
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking tcp-proxy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.42s
[INFO] running `Command { std: "docker" "inspect" "9a4c19af4fa78602ad59653c422d77cfb4a5c75c4c127a3f2a5d5eb9a05270ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a4c19af4fa78602ad59653c422d77cfb4a5c75c4c127a3f2a5d5eb9a05270ae", kill_on_drop: false }`
[INFO] [stdout] 9a4c19af4fa78602ad59653c422d77cfb4a5c75c4c127a3f2a5d5eb9a05270ae