[INFO] cloning repository https://github.com/max-block/learn__crate__toml
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/max-block/learn__crate__toml" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmax-block%2Flearn__crate__toml", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmax-block%2Flearn__crate__toml'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28fd05fda40e0fcf1ba39dff9d2fb97f442ecb40
[INFO] checking max-block/learn__crate__toml against master#a932eb36f8adf6c8cdfc450f063943da3112d621 for pr-140209-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmax-block%2Flearn__crate__toml" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/max-block/learn__crate__toml on toolchain a932eb36f8adf6c8cdfc450f063943da3112d621
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a932eb36f8adf6c8cdfc450f063943da3112d621" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/max-block/learn__crate__toml
[INFO] finished tweaking git repo https://github.com/max-block/learn__crate__toml
[INFO] tweaked toml for git repo https://github.com/max-block/learn__crate__toml written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/max-block/learn__crate__toml 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" "+a932eb36f8adf6c8cdfc450f063943da3112d621" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+a932eb36f8adf6c8cdfc450f063943da3112d621" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7ab02a1ed716875486c4bdd0414e99125165b699a8248274414db348b474658
[INFO] running `Command { std: "docker" "start" "-a" "f7ab02a1ed716875486c4bdd0414e99125165b699a8248274414db348b474658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7ab02a1ed716875486c4bdd0414e99125165b699a8248274414db348b474658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7ab02a1ed716875486c4bdd0414e99125165b699a8248274414db348b474658", kill_on_drop: false }`
[INFO] [stdout] f7ab02a1ed716875486c4bdd0414e99125165b699a8248274414db348b474658
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+a932eb36f8adf6c8cdfc450f063943da3112d621" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8c4153520350853b14c60c0b8d74010254ffa45a809791ddc01ce163b1f2ecb
[INFO] running `Command { std: "docker" "start" "-a" "f8c4153520350853b14c60c0b8d74010254ffa45a809791ddc01ce163b1f2ecb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking learn__crate__toml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `name`, `group`, `link`, `description`, and `created_at` are never read
[INFO] [stdout]   --> src/bin/basics.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | struct Data {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 8  |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 9  |     group: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 10 |     link: Option<String>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 11 |     description: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 12 |     created_at: Datetime,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Data` 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 `data` and `group_links` are never read
[INFO] [stdout]   --> src/bin/basics.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct DataRoot {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 17 |     data: Vec<Data>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 18 |     group_links: HashMap<String, String>
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DataRoot` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `group`, `link`, `description`, and `created_at` are never read
[INFO] [stdout]   --> src/bin/basics.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | struct Data {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 8  |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 9  |     group: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 10 |     link: Option<String>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 11 |     description: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 12 |     created_at: Datetime,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Data` 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 `data` and `group_links` are never read
[INFO] [stdout]   --> src/bin/basics.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct DataRoot {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 17 |     data: Vec<Data>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 18 |     group_links: HashMap<String, String>
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DataRoot` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.36s
[INFO] running `Command { std: "docker" "inspect" "f8c4153520350853b14c60c0b8d74010254ffa45a809791ddc01ce163b1f2ecb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8c4153520350853b14c60c0b8d74010254ffa45a809791ddc01ce163b1f2ecb", kill_on_drop: false }`
[INFO] [stdout] f8c4153520350853b14c60c0b8d74010254ffa45a809791ddc01ce163b1f2ecb