[INFO] fetching crate tagga 0.0.0...
[INFO] checking tagga-0.0.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate tagga 0.0.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate tagga 0.0.0
[INFO] finished tweaking crates.io crate tagga 0.0.0
[INFO] tweaked toml for crates.io crate tagga 0.0.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tagga 0.0.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d901e2577158bcd273a8c424acc12194a62b365cf9be55d4fdea2e836808df9
[INFO] running `Command { std: "docker" "start" "-a" "0d901e2577158bcd273a8c424acc12194a62b365cf9be55d4fdea2e836808df9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d901e2577158bcd273a8c424acc12194a62b365cf9be55d4fdea2e836808df9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d901e2577158bcd273a8c424acc12194a62b365cf9be55d4fdea2e836808df9", kill_on_drop: false }`
[INFO] [stdout] 0d901e2577158bcd273a8c424acc12194a62b365cf9be55d4fdea2e836808df9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e55e4ec58af4a7048d868f0e286738b4618ad4be0b68906ca72421e3f476f19c
[INFO] running `Command { std: "docker" "start" "-a" "e55e4ec58af4a7048d868f0e286738b4618ad4be0b68906ca72421e3f476f19c", kill_on_drop: false }`
[INFO] [stderr]     Checking tagga v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `tags`
[INFO] [stdout]   --> src/lib.rs:45:32
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn search<I, T>(&self, tags: I) -> Vec<FileMeta>
[INFO] [stdout]    |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_tags`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `app_name` and `raw` are never read
[INFO] [stdout]   --> src/lib.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Tagga {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 23 |     app_name: Box<str>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 24 |     raw: RawTagga,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `db_conn` and `storage_folder` are never read
[INFO] [stdout]   --> src/lib.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct RawTagga {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 40 |     db_conn: (),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 41 |     storage_folder: (),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `tags` and `inode` are never read
[INFO] [stdout]   --> src/lib.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct FileMeta {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 55 |     tags: Vec<Tag>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 56 |     inode: u128,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `kind` are never read
[INFO] [stdout]   --> src/lib.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct CustomTag {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 75 |     name: Box<str>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 76 |     kind: CustomKind,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tags`
[INFO] [stdout]   --> src/lib.rs:45:32
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn search<I, T>(&self, tags: I) -> Vec<FileMeta>
[INFO] [stdout]    |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_tags`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `app_name` and `raw` are never read
[INFO] [stdout]   --> src/lib.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Tagga {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 23 |     app_name: Box<str>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 24 |     raw: RawTagga,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `db_conn` and `storage_folder` are never read
[INFO] [stdout]   --> src/lib.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct RawTagga {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 40 |     db_conn: (),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 41 |     storage_folder: (),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `tags` and `inode` are never read
[INFO] [stdout]   --> src/lib.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct FileMeta {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 55 |     tags: Vec<Tag>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 56 |     inode: u128,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `kind` are never read
[INFO] [stdout]   --> src/lib.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct CustomTag {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 75 |     name: Box<str>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 76 |     kind: CustomKind,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "e55e4ec58af4a7048d868f0e286738b4618ad4be0b68906ca72421e3f476f19c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e55e4ec58af4a7048d868f0e286738b4618ad4be0b68906ca72421e3f476f19c", kill_on_drop: false }`
[INFO] [stdout] e55e4ec58af4a7048d868f0e286738b4618ad4be0b68906ca72421e3f476f19c