[INFO] cloning repository https://github.com/lucioreyli/postgres-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lucioreyli/postgres-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucioreyli%2Fpostgres-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucioreyli%2Fpostgres-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 84c323635ab3197d3f561b744a8adca27b60d582
[INFO] checking lucioreyli/postgres-rust against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucioreyli%2Fpostgres-rust" "/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/lucioreyli/postgres-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/lucioreyli/postgres-rust
[INFO] finished tweaking git repo https://github.com/lucioreyli/postgres-rust
[INFO] tweaked toml for git repo https://github.com/lucioreyli/postgres-rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/lucioreyli/postgres-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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded postgres-openssl v0.5.0
[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] 7b77189aaa59ed317ac4cbce49a2193c8c38cb25ade6ca6a4e58c82e4c8ea166
[INFO] running `Command { std: "docker" "start" "-a" "7b77189aaa59ed317ac4cbce49a2193c8c38cb25ade6ca6a4e58c82e4c8ea166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b77189aaa59ed317ac4cbce49a2193c8c38cb25ade6ca6a4e58c82e4c8ea166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b77189aaa59ed317ac4cbce49a2193c8c38cb25ade6ca6a4e58c82e4c8ea166", kill_on_drop: false }`
[INFO] [stdout] 7b77189aaa59ed317ac4cbce49a2193c8c38cb25ade6ca6a4e58c82e4c8ea166
[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] debe174345733a55b2ee3108aa97b90db4d502a40f50957bf2497a1ebd033414
[INFO] running `Command { std: "docker" "start" "-a" "debe174345733a55b2ee3108aa97b90db4d502a40f50957bf2497a1ebd033414", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking socket2 v0.5.3
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking finl_unicode v1.2.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking base64 v0.21.3
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]    Compiling async-trait v0.1.73
[INFO] [stderr]     Checking siphasher v0.3.11
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling syn v2.0.31
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking phf_shared v0.11.2
[INFO] [stderr]    Compiling openssl v0.10.57
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking whoami v1.4.1
[INFO] [stderr]    Compiling tokio-openssl v0.6.3
[INFO] [stderr]     Checking sha2 v0.10.7
[INFO] [stderr]     Checking md-5 v0.10.5
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking phf v0.11.2
[INFO] [stderr]     Checking stringprep v0.1.4
[INFO] [stderr]     Checking postgres-protocol v0.6.6
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking postgres-types v0.2.6
[INFO] [stderr]    Compiling openssl-sys v0.9.93
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking tokio-postgres v0.7.10
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking postgres-openssl v0.5.0
[INFO] [stderr]     Checking postgres v0.19.7
[INFO] [stderr]     Checking postgres v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `query_result`
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let query_result = client.query(
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_query_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `query_result`
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let query_result = client.query(
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_query_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]   --> src/main.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let response: Vec<String> = query.into_iter().map(|row| row.get(0)).collect();
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]   --> src/main.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let response: Vec<String> = query.into_iter().map(|row| row.get(0)).collect();
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.23s
[INFO] running `Command { std: "docker" "inspect" "debe174345733a55b2ee3108aa97b90db4d502a40f50957bf2497a1ebd033414", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "debe174345733a55b2ee3108aa97b90db4d502a40f50957bf2497a1ebd033414", kill_on_drop: false }`
[INFO] [stdout] debe174345733a55b2ee3108aa97b90db4d502a40f50957bf2497a1ebd033414
[INFO] checking lucioreyli/postgres-rust against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucioreyli%2Fpostgres-rust" "/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/lucioreyli/postgres-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/lucioreyli/postgres-rust
[INFO] finished tweaking git repo https://github.com/lucioreyli/postgres-rust
[INFO] tweaked toml for git repo https://github.com/lucioreyli/postgres-rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/lucioreyli/postgres-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-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d89596ff36d854e7b3257c8af572f8d753fdbf6acde0000bb0f7dc1b12687b82
[INFO] running `Command { std: "docker" "start" "-a" "d89596ff36d854e7b3257c8af572f8d753fdbf6acde0000bb0f7dc1b12687b82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d89596ff36d854e7b3257c8af572f8d753fdbf6acde0000bb0f7dc1b12687b82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d89596ff36d854e7b3257c8af572f8d753fdbf6acde0000bb0f7dc1b12687b82", kill_on_drop: false }`
[INFO] [stdout] d89596ff36d854e7b3257c8af572f8d753fdbf6acde0000bb0f7dc1b12687b82
[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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b22b55a9fd0b276c2231a95f226ff66074f71333c7d0c8d3caed0f25507bf9f5
[INFO] running `Command { std: "docker" "start" "-a" "b22b55a9fd0b276c2231a95f226ff66074f71333c7d0c8d3caed0f25507bf9f5", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking socket2 v0.5.3
[INFO] [stderr]     Checking finl_unicode v1.2.0
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking base64 v0.21.3
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]    Compiling async-trait v0.1.73
[INFO] [stderr]     Checking siphasher v0.3.11
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking phf_shared v0.11.2
[INFO] [stderr]    Compiling openssl v0.10.57
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling tokio-openssl v0.6.3
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha2 v0.10.7
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking md-5 v0.10.5
[INFO] [stderr]     Checking phf v0.11.2
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking whoami v1.4.1
[INFO] [stderr]    Compiling syn v2.0.31
[INFO] [stderr]     Checking stringprep v0.1.4
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking postgres-protocol v0.6.6
[INFO] [stderr]     Checking postgres-types v0.2.6
[INFO] [stderr]    Compiling openssl-sys v0.9.93
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking tokio-postgres v0.7.10
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking postgres v0.19.7
[INFO] [stderr]     Checking postgres-openssl v0.5.0
[INFO] [stderr]     Checking postgres v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `query_result`
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let query_result = client.query(
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_query_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]   --> src/main.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let response: Vec<String> = query.into_iter().map(|row| row.get(0)).collect();
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `query_result`
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let query_result = client.query(
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_query_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]   --> src/main.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let response: Vec<String> = query.into_iter().map(|row| row.get(0)).collect();
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.66s
[INFO] running `Command { std: "docker" "inspect" "b22b55a9fd0b276c2231a95f226ff66074f71333c7d0c8d3caed0f25507bf9f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b22b55a9fd0b276c2231a95f226ff66074f71333c7d0c8d3caed0f25507bf9f5", kill_on_drop: false }`
[INFO] [stdout] b22b55a9fd0b276c2231a95f226ff66074f71333c7d0c8d3caed0f25507bf9f5