[INFO] cloning repository https://github.com/fimac/prop_testing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fimac/prop_testing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffimac%2Fprop_testing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffimac%2Fprop_testing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28c9b33d26415516906952c42885a75305613995
[INFO] checking fimac/prop_testing against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffimac%2Fprop_testing" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fimac/prop_testing 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/fimac/prop_testing
[INFO] finished tweaking git repo https://github.com/fimac/prop_testing
[INFO] tweaked toml for git repo https://github.com/fimac/prop_testing written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/fimac/prop_testing 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 }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 }`
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[INFO] running `Command { std: "docker" "start" "-a" "f702652b70a720a20949db4039cbc0151227b4a1d5224a4369cf945ae83414b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f702652b70a720a20949db4039cbc0151227b4a1d5224a4369cf945ae83414b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f702652b70a720a20949db4039cbc0151227b4a1d5224a4369cf945ae83414b0", kill_on_drop: false }`
[INFO] [stdout] f702652b70a720a20949db4039cbc0151227b4a1d5224a4369cf945ae83414b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 8674c0fac0b284726e395f0f5ab61131a29c847705812a652ec22fa52eb4e4f1
[INFO] running `Command { std: "docker" "start" "-a" "8674c0fac0b284726e395f0f5ab61131a29c847705812a652ec22fa52eb4e4f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling typenum v1.16.0
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[INFO] [stderr]     Checking tokio-postgres v0.7.8
[INFO] [stderr]     Checking postgres v0.19.5
[INFO] [stderr]     Checking quickcheck-testing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `number` is never read
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct InsertInt {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 12 |     number: i32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InsertInt` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `insert_and_verify` is never used
[INFO] [stdout]   --> src/main.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn insert_and_verify(data_1: InsertInt) -> Result<bool, postgres::Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.55s
[INFO] running `Command { std: "docker" "inspect" "8674c0fac0b284726e395f0f5ab61131a29c847705812a652ec22fa52eb4e4f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8674c0fac0b284726e395f0f5ab61131a29c847705812a652ec22fa52eb4e4f1", kill_on_drop: false }`
[INFO] [stdout] 8674c0fac0b284726e395f0f5ab61131a29c847705812a652ec22fa52eb4e4f1
[INFO] checking fimac/prop_testing against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffimac%2Fprop_testing" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fimac/prop_testing 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/fimac/prop_testing
[INFO] finished tweaking git repo https://github.com/fimac/prop_testing
[INFO] tweaked toml for git repo https://github.com/fimac/prop_testing written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/fimac/prop_testing 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e8f4996c6dff003d0af0f8a0f44e19f02e33bd5f83ce0c757a0861a2d2dd254c
[INFO] running `Command { std: "docker" "start" "-a" "e8f4996c6dff003d0af0f8a0f44e19f02e33bd5f83ce0c757a0861a2d2dd254c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8f4996c6dff003d0af0f8a0f44e19f02e33bd5f83ce0c757a0861a2d2dd254c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8f4996c6dff003d0af0f8a0f44e19f02e33bd5f83ce0c757a0861a2d2dd254c", kill_on_drop: false }`
[INFO] [stdout] e8f4996c6dff003d0af0f8a0f44e19f02e33bd5f83ce0c757a0861a2d2dd254c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] cf99f61152c30ca8d383d11a6823d5343e9b8de9d605ecaf43bd2cfd5c4acfac
[INFO] running `Command { std: "docker" "start" "-a" "cf99f61152c30ca8d383d11a6823d5343e9b8de9d605ecaf43bd2cfd5c4acfac", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
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[INFO] [stderr]     Checking unicode-normalization v0.1.22
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[INFO] [stderr]     Checking tracing-core v0.1.31
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[INFO] [stderr]     Checking base64 v0.21.2
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[INFO] [stderr]     Checking siphasher v0.3.10
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[INFO] [stderr]     Checking rand_chacha v0.3.1
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[INFO] [stderr]     Checking md-5 v0.10.5
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[INFO] [stdout] warning: field `number` is never read
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct InsertInt {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 12 |     number: i32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InsertInt` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `insert_and_verify` is never used
[INFO] [stdout]   --> src/main.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn insert_and_verify(data_1: InsertInt) -> Result<bool, postgres::Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.40s
[INFO] running `Command { std: "docker" "inspect" "cf99f61152c30ca8d383d11a6823d5343e9b8de9d605ecaf43bd2cfd5c4acfac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf99f61152c30ca8d383d11a6823d5343e9b8de9d605ecaf43bd2cfd5c4acfac", kill_on_drop: false }`
[INFO] [stdout] cf99f61152c30ca8d383d11a6823d5343e9b8de9d605ecaf43bd2cfd5c4acfac