[INFO] fetching crate clean_cli 0.1.2...
[INFO] checking clean_cli-0.1.2 against master#f167efad2f51088d86180ee89177b3d7c9e7c2f5 for pr-129543
[INFO] extracting crate clean_cli 0.1.2 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate clean_cli 0.1.2 on toolchain f167efad2f51088d86180ee89177b3d7c9e7c2f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate clean_cli 0.1.2
[INFO] finished tweaking crates.io crate clean_cli 0.1.2
[INFO] tweaked toml for crates.io crate clean_cli 0.1.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages to latest compatible versions
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97eb0bbf2c684623e5824219b820535c4c9fe6ac65a0355f804e942728851a08
[INFO] running `Command { std: "docker" "start" "-a" "97eb0bbf2c684623e5824219b820535c4c9fe6ac65a0355f804e942728851a08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97eb0bbf2c684623e5824219b820535c4c9fe6ac65a0355f804e942728851a08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97eb0bbf2c684623e5824219b820535c4c9fe6ac65a0355f804e942728851a08", kill_on_drop: false }`
[INFO] [stdout] 97eb0bbf2c684623e5824219b820535c4c9fe6ac65a0355f804e942728851a08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b81a07848d2bb061066e72aac8bb7a07953c7d334188b2b1618072185749c60
[INFO] running `Command { std: "docker" "start" "-a" "9b81a07848d2bb061066e72aac8bb7a07953c7d334188b2b1618072185749c60", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking clean_cli v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `description` is never read
[INFO] [stdout]   --> src/parameter.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Parameter {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub(super) description: String
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Parameter` 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] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stdout] warning: field `description` is never read
[INFO] [stdout]   --> src/parameter.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Parameter {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub(super) description: String
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Parameter` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.10s
[INFO] running `Command { std: "docker" "inspect" "9b81a07848d2bb061066e72aac8bb7a07953c7d334188b2b1618072185749c60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b81a07848d2bb061066e72aac8bb7a07953c7d334188b2b1618072185749c60", kill_on_drop: false }`
[INFO] [stdout] 9b81a07848d2bb061066e72aac8bb7a07953c7d334188b2b1618072185749c60