[INFO] cloning repository https://github.com/chasangchual/rust-git-pr-comments-collect
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chasangchual/rust-git-pr-comments-collect" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchasangchual%2Frust-git-pr-comments-collect", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchasangchual%2Frust-git-pr-comments-collect'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 55c7d172705193a2ba6d649bf5541807ef08e4b8
[INFO] checking chasangchual/rust-git-pr-comments-collect against try#ff044a3d65d25a17c3e14c1530004e1540179ba7 for pr-78338
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchasangchual%2Frust-git-pr-comments-collect" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chasangchual/rust-git-pr-comments-collect on toolchain ff044a3d65d25a17c3e14c1530004e1540179ba7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chasangchual/rust-git-pr-comments-collect
[INFO] finished tweaking git repo https://github.com/chasangchual/rust-git-pr-comments-collect
[INFO] tweaked toml for git repo https://github.com/chasangchual/rust-git-pr-comments-collect written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/chasangchual/rust-git-pr-comments-collect already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stderr]   Downloaded tokio-util v0.4.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eda3fb82f8b19f90d8cc6335404328684a33a0ef39bd9b44a47281f42c4116d9
[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" "eda3fb82f8b19f90d8cc6335404328684a33a0ef39bd9b44a47281f42c4116d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eda3fb82f8b19f90d8cc6335404328684a33a0ef39bd9b44a47281f42c4116d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eda3fb82f8b19f90d8cc6335404328684a33a0ef39bd9b44a47281f42c4116d9", kill_on_drop: false }`
[INFO] [stdout] eda3fb82f8b19f90d8cc6335404328684a33a0ef39bd9b44a47281f42c4116d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c643ce01716b40c8ab0736e34dc373f8bdc007ffe7bf1962ef409d6d43ce9a19
[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" "c643ce01716b40c8ab0736e34dc373f8bdc007ffe7bf1962ef409d6d43ce9a19", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `to_string_pretty`
[INFO] [stdout]  --> src/github/pull_request.rs:3:35
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde_json::{from_str, Value, to_string_pretty};
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `to_string_pretty`
[INFO] [stdout]  --> src/github/pull_request.rs:3:35
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde_json::{from_str, Value, to_string_pretty};
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/db/connection.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/github/pull_request.rs:70:25
[INFO] [stdout]    |
[INFO] [stdout] 70 |                         collect_commits(_owner, _repository, href.as_str().unwrap()).await;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/db/connection.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/github/pull_request.rs:70:25
[INFO] [stdout]    |
[INFO] [stdout] 70 |                         collect_commits(_owner, _repository, href.as_str().unwrap()).await;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 34s
[INFO] running `Command { std: "docker" "inspect" "c643ce01716b40c8ab0736e34dc373f8bdc007ffe7bf1962ef409d6d43ce9a19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c643ce01716b40c8ab0736e34dc373f8bdc007ffe7bf1962ef409d6d43ce9a19", kill_on_drop: false }`
[INFO] [stdout] c643ce01716b40c8ab0736e34dc373f8bdc007ffe7bf1962ef409d6d43ce9a19