[INFO] fetching crate display_enum 0.1.5...
[INFO] checking display_enum-0.1.5 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate display_enum 0.1.5 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate display_enum 0.1.5
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate display_enum 0.1.5
[INFO] tweaked toml for crates.io crate display_enum 0.1.5 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate display_enum 0.1.5 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[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] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55dd3a033acd23c47322fb339185455603928db733e752756d67121da646ee28
[INFO] running `Command { std: "docker" "start" "-a" "55dd3a033acd23c47322fb339185455603928db733e752756d67121da646ee28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55dd3a033acd23c47322fb339185455603928db733e752756d67121da646ee28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55dd3a033acd23c47322fb339185455603928db733e752756d67121da646ee28", kill_on_drop: false }`
[INFO] [stdout] 55dd3a033acd23c47322fb339185455603928db733e752756d67121da646ee28
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f2fc118932b8e1a714997ee3246dd0b8bd93f2619fa1322c45d41212ff51fdc
[INFO] running `Command { std: "docker" "start" "-a" "0f2fc118932b8e1a714997ee3246dd0b8bd93f2619fa1322c45d41212ff51fdc", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking syn v2.0.104
[INFO] [stderr]     Checking display_enum v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr] 111:
[INFO] [stderr] 111:
[INFO] [stderr] 111:
[INFO] [stderr] 111:
[INFO] [stderr] 111:
[INFO] [stderr] 111:name
[INFO] [stderr] 111:test
[INFO] [stderr] 111:name
[INFO] [stderr] 111:test
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> tests/lib.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Data{name: Data, test: i64},
[INFO] [stdout]    |          ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test`
[INFO] [stdout]   --> tests/lib.rs:13:22
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Data{name: Data, test: i64},
[INFO] [stdout]    |                      ^^^^ help: try ignoring the field: `test: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `A` and `TestA` are never constructed
[INFO] [stdout]   --> tests/lib.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | enum Test{
[INFO] [stdout]    |      ---- variants in this enum
[INFO] [stdout] 7  |     A(i32),
[INFO] [stdout]    |     ^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     TestA,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `test` is never read
[INFO] [stdout]   --> tests/lib.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct Data {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 19 |     test: i32
[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] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.38s
[INFO] running `Command { std: "docker" "inspect" "0f2fc118932b8e1a714997ee3246dd0b8bd93f2619fa1322c45d41212ff51fdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f2fc118932b8e1a714997ee3246dd0b8bd93f2619fa1322c45d41212ff51fdc", kill_on_drop: false }`
[INFO] [stdout] 0f2fc118932b8e1a714997ee3246dd0b8bd93f2619fa1322c45d41212ff51fdc