[INFO] fetching crate alex-db-client 0.1.0...
[INFO] checking alex-db-client-0.1.0 against master#18a6d911caba59605eb03db1452848a85d2e5879 for pr-112743
[INFO] extracting crate alex-db-client 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate alex-db-client 0.1.0 on toolchain 18a6d911caba59605eb03db1452848a85d2e5879
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate alex-db-client 0.1.0
[INFO] finished tweaking crates.io crate alex-db-client 0.1.0
[INFO] tweaked toml for crates.io crate alex-db-client 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate alex-db-client 0.1.0 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" "+18a6d911caba59605eb03db1452848a85d2e5879" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56f29d5fbf89eff6a2a5682f46477ead2b56362c9cae489e37ac21397da17884
[INFO] running `Command { std: "docker" "start" "-a" "56f29d5fbf89eff6a2a5682f46477ead2b56362c9cae489e37ac21397da17884", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56f29d5fbf89eff6a2a5682f46477ead2b56362c9cae489e37ac21397da17884", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56f29d5fbf89eff6a2a5682f46477ead2b56362c9cae489e37ac21397da17884", kill_on_drop: false }`
[INFO] [stdout] 56f29d5fbf89eff6a2a5682f46477ead2b56362c9cae489e37ac21397da17884
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5be48d2730515787b16bbe9a5f49eb2eeb147aa65197c76114bbf30be3254653
[INFO] running `Command { std: "docker" "start" "-a" "5be48d2730515787b16bbe9a5f49eb2eeb147aa65197c76114bbf30be3254653", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
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[INFO] [stderr]    Compiling unicode-ident v1.0.6
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[INFO] [stderr]    Compiling serde_derive v1.0.152
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[INFO] [stderr]    Compiling parking_lot_core v0.9.7
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[INFO] [stderr]    Compiling pkg-config v0.3.26
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[INFO] [stderr]    Compiling tokio-macros v1.8.2
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[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]    Compiling utoipa-gen v3.0.2
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]    Compiling validator_derive v0.16.0
[INFO] [stderr]     Checking tokio-util v0.7.7
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[INFO] [stderr]     Checking serde_urlencoded v0.7.1
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[INFO] [stderr]     Checking reedline v0.13.0
[INFO] [stderr]     Checking validator v0.16.0
[INFO] [stderr]     Checking utoipa v3.0.2
[INFO] [stderr]     Checking reedline-repl-rs v1.0.3
[INFO] [stderr]     Checking alex-db-lib v0.1.0
[INFO] [stderr]     Checking hyper v0.14.24
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.14
[INFO] [stderr]     Checking alex-db-client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/connect.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     for mut connection in context.connections.iter_mut() {
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/connect.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     for mut connection in context.connections.iter_mut() {
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.88s
[INFO] running `Command { std: "docker" "inspect" "5be48d2730515787b16bbe9a5f49eb2eeb147aa65197c76114bbf30be3254653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5be48d2730515787b16bbe9a5f49eb2eeb147aa65197c76114bbf30be3254653", kill_on_drop: false }`
[INFO] [stdout] 5be48d2730515787b16bbe9a5f49eb2eeb147aa65197c76114bbf30be3254653