[INFO] cloning repository https://github.com/rbran/pwn-proxy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rbran/pwn-proxy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frbran%2Fpwn-proxy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frbran%2Fpwn-proxy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 21994889b554ef52b05670a25b697ab6f44625fb
[INFO] checking rbran/pwn-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%2Frbran%2Fpwn-proxy" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rbran/pwn-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/rbran/pwn-proxy
[INFO] finished tweaking git repo https://github.com/rbran/pwn-proxy
[INFO] tweaked toml for git repo https://github.com/rbran/pwn-proxy written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rbran/pwn-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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wyz v0.5.0
[INFO] [stderr]   Downloaded bytes v1.2.0
[INFO] [stderr]   Downloaded serde_yaml v0.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7102fba4f5a646260de6cf9fb0bdfca72715dfd969c1ea973d4ae74e0956a453
[INFO] running `Command { std: "docker" "start" "-a" "7102fba4f5a646260de6cf9fb0bdfca72715dfd969c1ea973d4ae74e0956a453", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7102fba4f5a646260de6cf9fb0bdfca72715dfd969c1ea973d4ae74e0956a453", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7102fba4f5a646260de6cf9fb0bdfca72715dfd969c1ea973d4ae74e0956a453", kill_on_drop: false }`
[INFO] [stdout] 7102fba4f5a646260de6cf9fb0bdfca72715dfd969c1ea973d4ae74e0956a453
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 77abbb36c6c8a4dfa0601986f6fe1080d9c2cf3361f6fe55420fe1efef9ad5d2
[INFO] running `Command { std: "docker" "start" "-a" "77abbb36c6c8a4dfa0601986f6fe1080d9c2cf3361f6fe55420fe1efef9ad5d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling serde_derive v1.0.140
[INFO] [stderr]    Compiling serde v1.0.140
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling tokio v1.20.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]    Compiling async-trait v0.1.56
[INFO] [stderr]     Checking wyz v0.5.0
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking bytes v1.2.0
[INFO] [stderr]     Checking unsafe-libyaml v0.2.1
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking parking_lot_core v0.9.3
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]     Checking serde_yaml v0.9.1
[INFO] [stderr]     Checking pwn-proxy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.00s
[INFO] running `Command { std: "docker" "inspect" "77abbb36c6c8a4dfa0601986f6fe1080d9c2cf3361f6fe55420fe1efef9ad5d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77abbb36c6c8a4dfa0601986f6fe1080d9c2cf3361f6fe55420fe1efef9ad5d2", kill_on_drop: false }`
[INFO] [stdout] 77abbb36c6c8a4dfa0601986f6fe1080d9c2cf3361f6fe55420fe1efef9ad5d2
[INFO] checking rbran/pwn-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%2Frbran%2Fpwn-proxy" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rbran/pwn-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/rbran/pwn-proxy
[INFO] finished tweaking git repo https://github.com/rbran/pwn-proxy
[INFO] tweaked toml for git repo https://github.com/rbran/pwn-proxy written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rbran/pwn-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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 8bf26306549638de76833a2bfdc137e05308591814a7f5c1cc6fc8a5deb04ebc
[INFO] running `Command { std: "docker" "start" "-a" "8bf26306549638de76833a2bfdc137e05308591814a7f5c1cc6fc8a5deb04ebc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bf26306549638de76833a2bfdc137e05308591814a7f5c1cc6fc8a5deb04ebc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bf26306549638de76833a2bfdc137e05308591814a7f5c1cc6fc8a5deb04ebc", kill_on_drop: false }`
[INFO] [stdout] 8bf26306549638de76833a2bfdc137e05308591814a7f5c1cc6fc8a5deb04ebc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 4f3a5e667bd29f3222c6df81aba71d798732745baa7ad7937ac58c5acc8d4ed9
[INFO] running `Command { std: "docker" "start" "-a" "4f3a5e667bd29f3222c6df81aba71d798732745baa7ad7937ac58c5acc8d4ed9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling serde_derive v1.0.140
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling serde v1.0.140
[INFO] [stderr]    Compiling tokio v1.20.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]    Compiling async-trait v0.1.56
[INFO] [stderr]     Checking wyz v0.5.0
[INFO] [stderr]     Checking bytes v1.2.0
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking unsafe-libyaml v0.2.1
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking parking_lot_core v0.9.3
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]     Checking serde_yaml v0.9.1
[INFO] [stderr]     Checking pwn-proxy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.71s
[INFO] running `Command { std: "docker" "inspect" "4f3a5e667bd29f3222c6df81aba71d798732745baa7ad7937ac58c5acc8d4ed9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f3a5e667bd29f3222c6df81aba71d798732745baa7ad7937ac58c5acc8d4ed9", kill_on_drop: false }`
[INFO] [stdout] 4f3a5e667bd29f3222c6df81aba71d798732745baa7ad7937ac58c5acc8d4ed9