[INFO] cloning repository https://github.com/clacladev/basic-redis-server-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/clacladev/basic-redis-server-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclacladev%2Fbasic-redis-server-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclacladev%2Fbasic-redis-server-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d8bb44d313c19352bc7b9e918f0779d7cff8df3a
[INFO] checking clacladev/basic-redis-server-rust against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclacladev%2Fbasic-redis-server-rust" "/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/clacladev/basic-redis-server-rust 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/clacladev/basic-redis-server-rust
[INFO] finished tweaking git repo https://github.com/clacladev/basic-redis-server-rust
[INFO] tweaked toml for git repo https://github.com/clacladev/basic-redis-server-rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/clacladev/basic-redis-server-rust 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]     Blocking waiting for file lock on package cache
[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] 826ea4af10a63d96ac6a9d4cef196254d2193c93e4f7671905d6e560624d5116
[INFO] running `Command { std: "docker" "start" "-a" "826ea4af10a63d96ac6a9d4cef196254d2193c93e4f7671905d6e560624d5116", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "826ea4af10a63d96ac6a9d4cef196254d2193c93e4f7671905d6e560624d5116", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "826ea4af10a63d96ac6a9d4cef196254d2193c93e4f7671905d6e560624d5116", kill_on_drop: false }`
[INFO] [stdout] 826ea4af10a63d96ac6a9d4cef196254d2193c93e4f7671905d6e560624d5116
[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] 699cf5146a5bd493ae0c5a8a929e3225437c91b86a14cf9cd6475918d60178e8
[INFO] running `Command { std: "docker" "start" "-a" "699cf5146a5bd493ae0c5a8a929e3225437c91b86a14cf9cd6475918d60178e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling anyhow v1.0.59
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling tokio v1.23.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking mio v0.8.5
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking signal-hook-registry v1.2.2
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling tokio-macros v1.8.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.32
[INFO] [stderr]     Checking thiserror v1.0.32
[INFO] [stderr]     Checking redis-starter-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.44s
[INFO] running `Command { std: "docker" "inspect" "699cf5146a5bd493ae0c5a8a929e3225437c91b86a14cf9cd6475918d60178e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "699cf5146a5bd493ae0c5a8a929e3225437c91b86a14cf9cd6475918d60178e8", kill_on_drop: false }`
[INFO] [stdout] 699cf5146a5bd493ae0c5a8a929e3225437c91b86a14cf9cd6475918d60178e8
[INFO] checking clacladev/basic-redis-server-rust against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclacladev%2Fbasic-redis-server-rust" "/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/clacladev/basic-redis-server-rust on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/clacladev/basic-redis-server-rust
[INFO] finished tweaking git repo https://github.com/clacladev/basic-redis-server-rust
[INFO] tweaked toml for git repo https://github.com/clacladev/basic-redis-server-rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/clacladev/basic-redis-server-rust 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85750dbf7a69b74221ba3040267c2b5f08d5ee96064e75a12ad151f003f5a0a5
[INFO] running `Command { std: "docker" "start" "-a" "85750dbf7a69b74221ba3040267c2b5f08d5ee96064e75a12ad151f003f5a0a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85750dbf7a69b74221ba3040267c2b5f08d5ee96064e75a12ad151f003f5a0a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85750dbf7a69b74221ba3040267c2b5f08d5ee96064e75a12ad151f003f5a0a5", kill_on_drop: false }`
[INFO] [stdout] 85750dbf7a69b74221ba3040267c2b5f08d5ee96064e75a12ad151f003f5a0a5
[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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2f7c84c8a994810d5484e2dc0fc002b49593bf9dd8cd28dd61f7cf1dc391eac
[INFO] running `Command { std: "docker" "start" "-a" "f2f7c84c8a994810d5484e2dc0fc002b49593bf9dd8cd28dd61f7cf1dc391eac", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling anyhow v1.0.59
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling tokio v1.23.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking mio v0.8.5
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.2
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.32
[INFO] [stderr]    Compiling tokio-macros v1.8.2
[INFO] [stderr]     Checking thiserror v1.0.32
[INFO] [stderr]     Checking redis-starter-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.41s
[INFO] running `Command { std: "docker" "inspect" "f2f7c84c8a994810d5484e2dc0fc002b49593bf9dd8cd28dd61f7cf1dc391eac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2f7c84c8a994810d5484e2dc0fc002b49593bf9dd8cd28dd61f7cf1dc391eac", kill_on_drop: false }`
[INFO] [stdout] f2f7c84c8a994810d5484e2dc0fc002b49593bf9dd8cd28dd61f7cf1dc391eac