[INFO] fetching crate potting-helper-database 0.1.1...
[INFO] checking potting-helper-database-0.1.1 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate potting-helper-database 0.1.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate potting-helper-database 0.1.1 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate potting-helper-database 0.1.1
[INFO] finished tweaking crates.io crate potting-helper-database 0.1.1
[INFO] tweaked toml for crates.io crate potting-helper-database 0.1.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3eb61c9b52fb87b2a0a1c437f11ef0fce5e65c420de1c8ac9403e45e1d75e01
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e3eb61c9b52fb87b2a0a1c437f11ef0fce5e65c420de1c8ac9403e45e1d75e01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3eb61c9b52fb87b2a0a1c437f11ef0fce5e65c420de1c8ac9403e45e1d75e01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3eb61c9b52fb87b2a0a1c437f11ef0fce5e65c420de1c8ac9403e45e1d75e01", kill_on_drop: false }`
[INFO] [stdout] e3eb61c9b52fb87b2a0a1c437f11ef0fce5e65c420de1c8ac9403e45e1d75e01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 818865fcd6efa76f9b75bd1808256c66efb3a6ac9fc649c70f3299f9624a10f6
[INFO] running `Command { std: "docker" "start" "-a" "818865fcd6efa76f9b75bd1808256c66efb3a6ac9fc649c70f3299f9624a10f6", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling pq-sys v0.4.6
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.3
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.5
[INFO] [stderr]     Checking r2d2 v0.8.9
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]     Checking diesel v1.4.6
[INFO] [stderr]     Checking potting-helper-database v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `diesel::prelude::*`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use diesel::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `diesel::prelude::*`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use diesel::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 49.59s
[INFO] running `Command { std: "docker" "inspect" "818865fcd6efa76f9b75bd1808256c66efb3a6ac9fc649c70f3299f9624a10f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "818865fcd6efa76f9b75bd1808256c66efb3a6ac9fc649c70f3299f9624a10f6", kill_on_drop: false }`
[INFO] [stdout] 818865fcd6efa76f9b75bd1808256c66efb3a6ac9fc649c70f3299f9624a10f6