[INFO] cloning repository https://github.com/Reiuji-ch/retain-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Reiuji-ch/retain-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FReiuji-ch%2Fretain-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FReiuji-ch%2Fretain-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e603a4fbda90eac1a658879750d937d46822dce8
[INFO] checking Reiuji-ch/retain-rs/e603a4fbda90eac1a658879750d937d46822dce8 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FReiuji-ch%2Fretain-rs" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Reiuji-ch/retain-rs on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Reiuji-ch/retain-rs
[INFO] finished tweaking git repo https://github.com/Reiuji-ch/retain-rs
[INFO] tweaked toml for git repo https://github.com/Reiuji-ch/retain-rs written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Reiuji-ch/retain-rs 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strmap v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d58892a1a0a0cdf0d57d7d394bf9bea2b8e5ae05424e6dd000aaa13aa399200a
[INFO] running `Command { std: "docker" "start" "-a" "d58892a1a0a0cdf0d57d7d394bf9bea2b8e5ae05424e6dd000aaa13aa399200a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d58892a1a0a0cdf0d57d7d394bf9bea2b8e5ae05424e6dd000aaa13aa399200a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d58892a1a0a0cdf0d57d7d394bf9bea2b8e5ae05424e6dd000aaa13aa399200a", kill_on_drop: false }`
[INFO] [stdout] d58892a1a0a0cdf0d57d7d394bf9bea2b8e5ae05424e6dd000aaa13aa399200a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6c318eb94f7119e18d1cc8c2e4d41f131f7d974700eeda095f23d415c078187
[INFO] running `Command { std: "docker" "start" "-a" "d6c318eb94f7119e18d1cc8c2e4d41f131f7d974700eeda095f23d415c078187", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.1.6
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[INFO] [stderr]     Checking mio v1.0.1
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[INFO] [stderr]     Checking backblaze-api v0.1.0 (/opt/rustwide/workdir/backblaze-api)
[INFO] [stdout] warning: fields `files` and `next_file_name` are never read
[INFO] [stdout]   --> backblaze-api/src/api/b2_upload_file.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub struct FileList {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 81 |     pub files: Vec<B2File>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 82 |     pub next_file_name: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FileList` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `files` and `next_file_name` are never read
[INFO] [stdout]   --> backblaze-api/src/api/b2_upload_file.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub struct FileList {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 81 |     pub files: Vec<B2File>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 82 |     pub next_file_name: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FileList` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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]     Checking retain-rs v0.1.0 (/opt/rustwide/workdir/retain-rs)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.33s
[INFO] running `Command { std: "docker" "inspect" "d6c318eb94f7119e18d1cc8c2e4d41f131f7d974700eeda095f23d415c078187", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6c318eb94f7119e18d1cc8c2e4d41f131f7d974700eeda095f23d415c078187", kill_on_drop: false }`
[INFO] [stdout] d6c318eb94f7119e18d1cc8c2e4d41f131f7d974700eeda095f23d415c078187