[INFO] fetching crate declutter 0.1.0...
[INFO] checking declutter-0.1.0 against master#0e517d38ad0e72f93c734b14fabd4bb9b7441de6 for pr-140557
[INFO] extracting crate declutter 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate declutter 0.1.0 on toolchain 0e517d38ad0e72f93c734b14fabd4bb9b7441de6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0e517d38ad0e72f93c734b14fabd4bb9b7441de6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate declutter 0.1.0
[INFO] finished tweaking crates.io crate declutter 0.1.0
[INFO] tweaked toml for crates.io crate declutter 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0e517d38ad0e72f93c734b14fabd4bb9b7441de6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0e517d38ad0e72f93c734b14fabd4bb9b7441de6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+0e517d38ad0e72f93c734b14fabd4bb9b7441de6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8731b05332c42fd58beddb2f8c192e83e5c5883d04c47070f77b87d4bf77c4dd
[INFO] running `Command { std: "docker" "start" "-a" "8731b05332c42fd58beddb2f8c192e83e5c5883d04c47070f77b87d4bf77c4dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8731b05332c42fd58beddb2f8c192e83e5c5883d04c47070f77b87d4bf77c4dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8731b05332c42fd58beddb2f8c192e83e5c5883d04c47070f77b87d4bf77c4dd", kill_on_drop: false }`
[INFO] [stdout] 8731b05332c42fd58beddb2f8c192e83e5c5883d04c47070f77b87d4bf77c4dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+0e517d38ad0e72f93c734b14fabd4bb9b7441de6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0da39a0e837bac57285b4d23eabd27678643b8ab3eb19a515f8a9a96405d9386
[INFO] running `Command { std: "docker" "start" "-a" "0da39a0e837bac57285b4d23eabd27678643b8ab3eb19a515f8a9a96405d9386", kill_on_drop: false }`
[INFO] [stderr]     Checking declutter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `allow_extensionless`, `allow_extensions`, `deny_extensions`, and `deny_keywords` are never read
[INFO] [stdout]   --> src/lib.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Budget<'b> {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 24 |     allow_extensionless: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     allow_extensions: Option<&'b [&'b str]>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     deny_extensions: Option<&'b [&'b str]>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     deny_keywords: Option<&'b [&'b str]>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `budget` is never read
[INFO] [stdout]   --> src/lib.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub struct Declutter<'b> {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 60 |     budget: Budget<'b>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `allow_extensionless`, `allow_extensions`, `deny_extensions`, and `deny_keywords` are never read
[INFO] [stdout]   --> src/lib.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Budget<'b> {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 24 |     allow_extensionless: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     allow_extensions: Option<&'b [&'b str]>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     deny_extensions: Option<&'b [&'b str]>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     deny_keywords: Option<&'b [&'b str]>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `budget` is never read
[INFO] [stdout]   --> src/lib.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub struct Declutter<'b> {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 60 |     budget: Budget<'b>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "0da39a0e837bac57285b4d23eabd27678643b8ab3eb19a515f8a9a96405d9386", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0da39a0e837bac57285b4d23eabd27678643b8ab3eb19a515f8a9a96405d9386", kill_on_drop: false }`
[INFO] [stdout] 0da39a0e837bac57285b4d23eabd27678643b8ab3eb19a515f8a9a96405d9386