[INFO] fetching crate etk-asm 0.3.0...
[INFO] checking etk-asm-0.3.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate etk-asm 0.3.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate etk-asm 0.3.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate etk-asm 0.3.0
[INFO] finished tweaking crates.io crate etk-asm 0.3.0
[INFO] tweaked toml for crates.io crate etk-asm 0.3.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate etk-asm 0.3.0 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap_derive v3.1.18
[INFO] [stderr]   Downloaded snafu-derive v0.7.1
[INFO] [stderr]   Downloaded etk-cli v0.3.0
[INFO] [stderr]   Downloaded etk-ops v0.3.0
[INFO] [stderr]   Downloaded miniz_oxide v0.5.1
[INFO] [stderr]   Downloaded snafu v0.7.1
[INFO] [stderr]   Downloaded syn v1.0.93
[INFO] [stderr]   Downloaded sha3 v0.10.1
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6236b7939cd5138e5bb33c65a1bf2b97c2e81c8f7da1fe5267b85f08c55c0c39
[INFO] running `Command { std: "docker" "start" "-a" "6236b7939cd5138e5bb33c65a1bf2b97c2e81c8f7da1fe5267b85f08c55c0c39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6236b7939cd5138e5bb33c65a1bf2b97c2e81c8f7da1fe5267b85f08c55c0c39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6236b7939cd5138e5bb33c65a1bf2b97c2e81c8f7da1fe5267b85f08c55c0c39", kill_on_drop: false }`
[INFO] [stdout] 6236b7939cd5138e5bb33c65a1bf2b97c2e81c8f7da1fe5267b85f08c55c0c39
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 953bb875d0d07b6d4ff0a1146412c0942e267e38c3891dfb8a326181ba79d8d7
[INFO] running `Command { std: "docker" "start" "-a" "953bb875d0d07b6d4ff0a1146412c0942e267e38c3891dfb8a326181ba79d8d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.93
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]    Compiling hex-literal v0.3.4
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking sha3 v0.10.1
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling enum-ordinalize v3.1.11
[INFO] [stderr]    Compiling snafu-derive v0.7.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling educe v0.4.19
[INFO] [stderr]     Checking snafu v0.7.1
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling etk-ops v0.3.0
[INFO] [stderr]     Checking etk-asm v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Label` is never constructed
[INFO] [stdout]   --> src/parse/args.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub(super) struct Label(pub(super) String);
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Label` is never constructed
[INFO] [stdout]   --> src/parse/args.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub(super) struct Label(pub(super) String);
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout]    |
[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 32.41s
[INFO] running `Command { std: "docker" "inspect" "953bb875d0d07b6d4ff0a1146412c0942e267e38c3891dfb8a326181ba79d8d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "953bb875d0d07b6d4ff0a1146412c0942e267e38c3891dfb8a326181ba79d8d7", kill_on_drop: false }`
[INFO] [stdout] 953bb875d0d07b6d4ff0a1146412c0942e267e38c3891dfb8a326181ba79d8d7