[INFO] fetching crate rustorm 0.20.0...
[INFO] testing rustorm-0.20.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate rustorm 0.20.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate rustorm 0.20.0
[INFO] finished tweaking crates.io crate rustorm 0.20.0
[INFO] tweaked toml for crates.io crate rustorm 0.20.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustorm 0.20.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rustorm 0.20.0 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b7231e4861f63338a8d6774e53486b841f98530eaa172603d5d3677a563d44f
[INFO] running `Command { std: "docker" "start" "-a" "2b7231e4861f63338a8d6774e53486b841f98530eaa172603d5d3677a563d44f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b7231e4861f63338a8d6774e53486b841f98530eaa172603d5d3677a563d44f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b7231e4861f63338a8d6774e53486b841f98530eaa172603d5d3677a563d44f", kill_on_drop: false }`
[INFO] [stdout] 2b7231e4861f63338a8d6774e53486b841f98530eaa172603d5d3677a563d44f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e09107a3dfa6e2dce539423db2f446367f2452b8070628d8ab59f04f03fb2b92
[INFO] running `Command { std: "docker" "start" "-a" "e09107a3dfa6e2dce539423db2f446367f2452b8070628d8ab59f04f03fb2b92", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling smallvec v1.5.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling tinyvec v1.1.0
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling nom v1.2.4
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling meval v0.1.0
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling unicode-normalization v0.1.16
[INFO] [stderr]    Compiling scheduled-thread-pool v0.2.5
[INFO] [stderr]    Compiling r2d2 v0.8.9
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling thiserror v1.0.22
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling uuid v0.5.1
[INFO] [stderr]    Compiling bigdecimal v0.0.14
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling geo v0.4.13
[INFO] [stderr]    Compiling rustorm_dao v0.20.0
[INFO] [stderr]    Compiling rustorm_codegen v0.20.0
[INFO] [stderr]    Compiling rustorm v0.20.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `rustorm` (lib) due to 2 previous errors
[INFO] [stdout] error: field `0` is never read
[INFO] [stdout]   --> src/pool.rs:27:17
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Pool(BTreeMap<String, ConnPool>);
[INFO] [stdout]    |            ---- ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout]  1 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(dead_code)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/table.rs:137:19
[INFO] [stdout]     |
[INFO] [stdout] 137 |         for fk in &foreign_keys {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(for_loops_over_fallibles)]` implied by `#[deny(warnings)]`
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 137 -         for fk in &foreign_keys {
[INFO] [stdout] 137 +         while let Some(fk) = &foreign_keys {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 137 -         for fk in &foreign_keys {
[INFO] [stdout] 137 +         if let Some(fk) = &foreign_keys {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e09107a3dfa6e2dce539423db2f446367f2452b8070628d8ab59f04f03fb2b92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e09107a3dfa6e2dce539423db2f446367f2452b8070628d8ab59f04f03fb2b92", kill_on_drop: false }`
[INFO] [stdout] e09107a3dfa6e2dce539423db2f446367f2452b8070628d8ab59f04f03fb2b92