[INFO] cloning repository https://github.com/IceDynamix/uc_helper_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/IceDynamix/uc_helper_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIceDynamix%2Fuc_helper_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIceDynamix%2Fuc_helper_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1bcc55f220460d3285f280c3218e21426f15d154
[INFO] checking IceDynamix/uc_helper_rust against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIceDynamix%2Fuc_helper_rust" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/IceDynamix/uc_helper_rust on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/IceDynamix/uc_helper_rust
[INFO] finished tweaking git repo https://github.com/IceDynamix/uc_helper_rust
[INFO] tweaked toml for git repo https://github.com/IceDynamix/uc_helper_rust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/IceDynamix/uc_helper_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stdout] 7342ea224c2ce20cb5c53353afc4eeb0c1455c8d3f01d904ffba40ab24b58d54
[INFO] running `Command { std: "docker" "start" "-a" "7342ea224c2ce20cb5c53353afc4eeb0c1455c8d3f01d904ffba40ab24b58d54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7342ea224c2ce20cb5c53353afc4eeb0c1455c8d3f01d904ffba40ab24b58d54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7342ea224c2ce20cb5c53353afc4eeb0c1455c8d3f01d904ffba40ab24b58d54", kill_on_drop: false }`
[INFO] [stdout] 7342ea224c2ce20cb5c53353afc4eeb0c1455c8d3f01d904ffba40ab24b58d54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] 5d05d84467306f7539454c5c5e816b53b5e6ffcbd104c8ec6c20e5348e7ac5bf
[INFO] running `Command { std: "docker" "start" "-a" "5d05d84467306f7539454c5c5e816b53b5e6ffcbd104c8ec6c20e5348e7ac5bf", kill_on_drop: false }`
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[INFO] [stderr]     Checking mongodb v1.1.1
[INFO] [stderr]     Checking uc_helper_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown lint: `inherent_to_string`
[INFO] [stdout]   --> src/database/players.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |     #[allow(inherent_to_string)]
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `inherent_to_string`
[INFO] [stdout]   --> src/database/players.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |     #[allow(inherent_to_string)]
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Database`
[INFO] [stdout]  --> src/database/mod.rs:4:41
[INFO] [stdout]   |
[INFO] [stdout] 4 | use mongodb::{bson, Client, Collection, Database};
[INFO] [stdout]   |                                         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Database`
[INFO] [stdout]  --> src/database/mod.rs:4:41
[INFO] [stdout]   |
[INFO] [stdout] 4 | use mongodb::{bson, Client, Collection, Database};
[INFO] [stdout]   |                                         ^^^^^^^^
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 30s
[INFO] running `Command { std: "docker" "inspect" "5d05d84467306f7539454c5c5e816b53b5e6ffcbd104c8ec6c20e5348e7ac5bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d05d84467306f7539454c5c5e816b53b5e6ffcbd104c8ec6c20e5348e7ac5bf", kill_on_drop: false }`
[INFO] [stdout] 5d05d84467306f7539454c5c5e816b53b5e6ffcbd104c8ec6c20e5348e7ac5bf