[INFO] cloning repository https://github.com/wisonzhu/diesel-mysql
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wisonzhu/diesel-mysql" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwisonzhu%2Fdiesel-mysql", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwisonzhu%2Fdiesel-mysql'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ad6a8ca1aece900e4d701c9bee866e144c9715b7
[INFO] checking wisonzhu/diesel-mysql against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwisonzhu%2Fdiesel-mysql" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wisonzhu/diesel-mysql 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/wisonzhu/diesel-mysql
[INFO] finished tweaking git repo https://github.com/wisonzhu/diesel-mysql
[INFO] tweaked toml for git repo https://github.com/wisonzhu/diesel-mysql written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/wisonzhu/diesel-mysql 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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 47e985cc28f1537f6a0d52e1894fc8ed5962251760ecc3915a3e25396eac9beb
[INFO] running `Command { std: "docker" "start" "-a" "47e985cc28f1537f6a0d52e1894fc8ed5962251760ecc3915a3e25396eac9beb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47e985cc28f1537f6a0d52e1894fc8ed5962251760ecc3915a3e25396eac9beb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47e985cc28f1537f6a0d52e1894fc8ed5962251760ecc3915a3e25396eac9beb", kill_on_drop: false }`
[INFO] [stdout] 47e985cc28f1537f6a0d52e1894fc8ed5962251760ecc3915a3e25396eac9beb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 35cf432de06f1eab33fb473e1f6e4d0df655bca41c7ff11c61912d77fe1f36cc
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[INFO] [stdout] warning: the item `tokio` is imported redundantly
[INFO] [stdout]  --> src/bin/testhttp.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tokio; // Import the tokio runtime
[INFO] [stdout]   |     ^^^^^ the item `tokio` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tokio` is imported redundantly
[INFO] [stdout]  --> src/bin/testhttp.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tokio; // Import the tokio runtime
[INFO] [stdout]   |     ^^^^^ the item `tokio` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tokio` is imported redundantly
[INFO] [stdout]  --> src/bin/testhttp.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tokio; // Import the tokio runtime
[INFO] [stdout]   |     ^^^^^ the item `tokio` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tokio` is imported redundantly
[INFO] [stdout]  --> src/bin/testhttp.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tokio; // Import the tokio runtime
[INFO] [stdout]   |     ^^^^^ the item `tokio` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Electronic` is never constructed
[INFO] [stdout]  --> src/bin/testhttp.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 8 | enum Book {
[INFO] [stdout]   |      ---- variant in this enum
[INFO] [stdout] 9 |     Papery, Electronic
[INFO] [stdout]   |             ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Book` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RunQueryDsl` is imported redundantly
[INFO] [stdout]   --> src/services/service.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 3  | use diesel::RunQueryDsl;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 | use diesel::prelude::*;
[INFO] [stdout]    |     ------------------ the item `RunQueryDsl` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Book` is never used
[INFO] [stdout]  --> src/bin/testhttp.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | enum Book {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Animal` is never used
[INFO] [stdout]   --> src/bin/testhttp.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | trait Animal {
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dog` is never constructed
[INFO] [stdout]   --> src/bin/testhttp.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Dog;
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cat` is never constructed
[INFO] [stdout]   --> src/bin/testhttp.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Cat;
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_animal_sound` is never used
[INFO] [stdout]   --> src/bin/testhttp.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn get_animal_sound(is_dog: bool) -> Box<dyn Animal> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Shape` is never used
[INFO] [stdout]   --> src/bin/testhttp.rs:40:7
[INFO] [stdout]    |
[INFO] [stdout] 40 | trait Shape {
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Circle` is never constructed
[INFO] [stdout]   --> src/bin/testhttp.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | struct Circle {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rectangle` is never constructed
[INFO] [stdout]   --> src/bin/testhttp.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | struct Rectangle {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_shape` is never used
[INFO] [stdout]   --> src/bin/testhttp.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn get_shape(is_circle: bool) -> Box<dyn Shape> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]   --> src/bin/testhttp.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn add<T>(a: T, b: T) -> T
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `largest` is never used
[INFO] [stdout]   --> src/bin/testhttp.rs:83:4
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn largest<T>(list: &[T]) -> T where
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/bin/testhttp.rs:99:10
[INFO] [stdout]    |
[INFO] [stdout] 99 | async fn main() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Electronic` is never constructed
[INFO] [stdout]  --> src/bin/testhttp.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 8 | enum Book {
[INFO] [stdout]   |      ---- variant in this enum
[INFO] [stdout] 9 |     Papery, Electronic
[INFO] [stdout]   |             ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Book` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RunQueryDsl` is imported redundantly
[INFO] [stdout]   --> src/services/service.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 3  | use diesel::RunQueryDsl;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 | use diesel::prelude::*;
[INFO] [stdout]    |     ------------------ the item `RunQueryDsl` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Book` is never used
[INFO] [stdout]  --> src/bin/testhttp.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | enum Book {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Animal` is never used
[INFO] [stdout]   --> src/bin/testhttp.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | trait Animal {
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dog` is never constructed
[INFO] [stdout]   --> src/bin/testhttp.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Dog;
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cat` is never constructed
[INFO] [stdout]   --> src/bin/testhttp.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Cat;
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_animal_sound` is never used
[INFO] [stdout]   --> src/bin/testhttp.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn get_animal_sound(is_dog: bool) -> Box<dyn Animal> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Shape` is never used
[INFO] [stdout]   --> src/bin/testhttp.rs:40:7
[INFO] [stdout]    |
[INFO] [stdout] 40 | trait Shape {
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Circle` is never constructed
[INFO] [stdout]   --> src/bin/testhttp.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | struct Circle {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rectangle` is never constructed
[INFO] [stdout]   --> src/bin/testhttp.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | struct Rectangle {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_shape` is never used
[INFO] [stdout]   --> src/bin/testhttp.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn get_shape(is_circle: bool) -> Box<dyn Shape> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]   --> src/bin/testhttp.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn add<T>(a: T, b: T) -> T
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `largest` is never used
[INFO] [stdout]   --> src/bin/testhttp.rs:83:4
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn largest<T>(list: &[T]) -> T where
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/bin/testhttp.rs:99:10
[INFO] [stdout]    |
[INFO] [stdout] 99 | async fn main() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/routes/route.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let result = create_userdata(&pool, user).await.map_err(|_e| {
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/routes/route.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let result = delete_userdata(&pool, user_id).await.map_err(|_e| {
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/routes/route.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let result = create_userdata(&pool, user).await.map_err(|_e| {
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/routes/route.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let result= update_userdata(&pool, *user_id, &updated_info).await.map_err(|_e| {
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/routes/route.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let result = delete_userdata(&pool, user_id).await.map_err(|_e| {
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/routes/route.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let result= update_userdata(&pool, *user_id, &updated_info).await.map_err(|_e| {
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "35cf432de06f1eab33fb473e1f6e4d0df655bca41c7ff11c61912d77fe1f36cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35cf432de06f1eab33fb473e1f6e4d0df655bca41c7ff11c61912d77fe1f36cc", kill_on_drop: false }`
[INFO] [stdout] 35cf432de06f1eab33fb473e1f6e4d0df655bca41c7ff11c61912d77fe1f36cc
[INFO] checking wisonzhu/diesel-mysql against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwisonzhu%2Fdiesel-mysql" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wisonzhu/diesel-mysql 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/wisonzhu/diesel-mysql
[INFO] finished tweaking git repo https://github.com/wisonzhu/diesel-mysql
[INFO] tweaked toml for git repo https://github.com/wisonzhu/diesel-mysql written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/wisonzhu/diesel-mysql 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 36ef8dc9650b1284c70108c41e93ae130f8b18847e741bc601a465ea594c8b5b
[INFO] running `Command { std: "docker" "start" "-a" "36ef8dc9650b1284c70108c41e93ae130f8b18847e741bc601a465ea594c8b5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36ef8dc9650b1284c70108c41e93ae130f8b18847e741bc601a465ea594c8b5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36ef8dc9650b1284c70108c41e93ae130f8b18847e741bc601a465ea594c8b5b", kill_on_drop: false }`
[INFO] [stdout] 36ef8dc9650b1284c70108c41e93ae130f8b18847e741bc601a465ea594c8b5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 65c683719b932e049e31e19aa23dfe999fe4c038b56e87c71eeb5fe1779f842e
[INFO] running `Command { std: "docker" "start" "-a" "65c683719b932e049e31e19aa23dfe999fe4c038b56e87c71eeb5fe1779f842e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
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[INFO] [stdout] warning: the item `tokio` is imported redundantly
[INFO] [stdout]  --> src/bin/testhttp.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tokio; // Import the tokio runtime
[INFO] [stdout]   |     ^^^^^ the item `tokio` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tokio` is imported redundantly
[INFO] [stdout]  --> src/bin/testhttp.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tokio; // Import the tokio runtime
[INFO] [stdout]   |     ^^^^^ the item `tokio` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tokio` is imported redundantly
[INFO] [stdout]  --> src/bin/testhttp.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tokio; // Import the tokio runtime
[INFO] [stdout]   |     ^^^^^ the item `tokio` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tokio` is imported redundantly
[INFO] [stdout]  --> src/bin/testhttp.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tokio; // Import the tokio runtime
[INFO] [stdout]   |     ^^^^^ the item `tokio` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Electronic` is never constructed
[INFO] [stdout]  --> src/bin/testhttp.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 8 | enum Book {
[INFO] [stdout]   |      ---- variant in this enum
[INFO] [stdout] 9 |     Papery, Electronic
[INFO] [stdout]   |             ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Book` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RunQueryDsl` is imported redundantly
[INFO] [stdout]   --> src/services/service.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 3  | use diesel::RunQueryDsl;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 | use diesel::prelude::*;
[INFO] [stdout]    |     ------------------ the item `RunQueryDsl` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Book` is never used
[INFO] [stdout]  --> src/bin/testhttp.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | enum Book {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Animal` is never used
[INFO] [stdout]   --> src/bin/testhttp.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | trait Animal {
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dog` is never constructed
[INFO] [stdout]   --> src/bin/testhttp.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Dog;
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cat` is never constructed
[INFO] [stdout]   --> src/bin/testhttp.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Cat;
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_animal_sound` is never used
[INFO] [stdout]   --> src/bin/testhttp.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn get_animal_sound(is_dog: bool) -> Box<dyn Animal> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Shape` is never used
[INFO] [stdout]   --> src/bin/testhttp.rs:40:7
[INFO] [stdout]    |
[INFO] [stdout] 40 | trait Shape {
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Circle` is never constructed
[INFO] [stdout]   --> src/bin/testhttp.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | struct Circle {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rectangle` is never constructed
[INFO] [stdout]   --> src/bin/testhttp.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | struct Rectangle {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_shape` is never used
[INFO] [stdout]   --> src/bin/testhttp.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn get_shape(is_circle: bool) -> Box<dyn Shape> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]   --> src/bin/testhttp.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn add<T>(a: T, b: T) -> T
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `largest` is never used
[INFO] [stdout]   --> src/bin/testhttp.rs:83:4
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn largest<T>(list: &[T]) -> T where
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/bin/testhttp.rs:99:10
[INFO] [stdout]    |
[INFO] [stdout] 99 | async fn main() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RunQueryDsl` is imported redundantly
[INFO] [stdout]   --> src/services/service.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 3  | use diesel::RunQueryDsl;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 | use diesel::prelude::*;
[INFO] [stdout]    |     ------------------ the item `RunQueryDsl` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Book` is never used
[INFO] [stdout]  --> src/bin/testhttp.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | enum Book {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Animal` is never used
[INFO] [stdout]   --> src/bin/testhttp.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | trait Animal {
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dog` is never constructed
[INFO] [stdout]   --> src/bin/testhttp.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Dog;
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cat` is never constructed
[INFO] [stdout]   --> src/bin/testhttp.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Cat;
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_animal_sound` is never used
[INFO] [stdout]   --> src/bin/testhttp.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn get_animal_sound(is_dog: bool) -> Box<dyn Animal> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Shape` is never used
[INFO] [stdout]   --> src/bin/testhttp.rs:40:7
[INFO] [stdout]    |
[INFO] [stdout] 40 | trait Shape {
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Circle` is never constructed
[INFO] [stdout]   --> src/bin/testhttp.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | struct Circle {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rectangle` is never constructed
[INFO] [stdout]   --> src/bin/testhttp.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | struct Rectangle {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_shape` is never used
[INFO] [stdout]   --> src/bin/testhttp.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn get_shape(is_circle: bool) -> Box<dyn Shape> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]   --> src/bin/testhttp.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn add<T>(a: T, b: T) -> T
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `largest` is never used
[INFO] [stdout]   --> src/bin/testhttp.rs:83:4
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn largest<T>(list: &[T]) -> T where
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/bin/testhttp.rs:99:10
[INFO] [stdout]    |
[INFO] [stdout] 99 | async fn main() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Electronic` is never constructed
[INFO] [stdout]  --> src/bin/testhttp.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 8 | enum Book {
[INFO] [stdout]   |      ---- variant in this enum
[INFO] [stdout] 9 |     Papery, Electronic
[INFO] [stdout]   |             ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Book` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/routes/route.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let result = create_userdata(&pool, user).await.map_err(|_e| {
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/routes/route.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let result = delete_userdata(&pool, user_id).await.map_err(|_e| {
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/routes/route.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let result = create_userdata(&pool, user).await.map_err(|_e| {
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/routes/route.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let result= update_userdata(&pool, *user_id, &updated_info).await.map_err(|_e| {
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/routes/route.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let result = delete_userdata(&pool, user_id).await.map_err(|_e| {
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/routes/route.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let result= update_userdata(&pool, *user_id, &updated_info).await.map_err(|_e| {
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 15s
[INFO] running `Command { std: "docker" "inspect" "65c683719b932e049e31e19aa23dfe999fe4c038b56e87c71eeb5fe1779f842e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65c683719b932e049e31e19aa23dfe999fe4c038b56e87c71eeb5fe1779f842e", kill_on_drop: false }`
[INFO] [stdout] 65c683719b932e049e31e19aa23dfe999fe4c038b56e87c71eeb5fe1779f842e