[INFO] fetching crate mm0b_parser 0.1.4...
[INFO] checking mm0b_parser-0.1.4 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate mm0b_parser 0.1.4 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate mm0b_parser 0.1.4 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 mm0b_parser 0.1.4
[INFO] finished tweaking crates.io crate mm0b_parser 0.1.4
[INFO] tweaked toml for crates.io crate mm0b_parser 0.1.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "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 11 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.6.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] [stderr]       Adding zerocopy v0.5.2 (latest: v0.7.35)
[INFO] [stderr]       Adding zerocopy-derive v0.3.2 (latest: v0.7.35)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded mm0_util v0.1.4
[INFO] [stderr]   Downloaded zerocopy v0.5.2
[INFO] [stderr]   Downloaded zerocopy-derive v0.3.2
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86fe6da782fd7e125c2db3291e2f0dd7d3437c21c0499c9197cea9faab463e10
[INFO] running `Command { std: "docker" "start" "-a" "86fe6da782fd7e125c2db3291e2f0dd7d3437c21c0499c9197cea9faab463e10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86fe6da782fd7e125c2db3291e2f0dd7d3437c21c0499c9197cea9faab463e10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86fe6da782fd7e125c2db3291e2f0dd7d3437c21c0499c9197cea9faab463e10", kill_on_drop: false }`
[INFO] [stdout] 86fe6da782fd7e125c2db3291e2f0dd7d3437c21c0499c9197cea9faab463e10
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 524e105f31621b53b392c2df7497e53a9009800d2684cd15b153af64c6b76f4d
[INFO] running `Command { std: "docker" "start" "-a" "524e105f31621b53b392c2df7497e53a9009800d2684cd15b153af64c6b76f4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking mm0_util v0.1.4
[INFO] [stderr]    Compiling zerocopy-derive v0.3.2
[INFO] [stderr]     Checking zerocopy v0.5.2
[INFO] [stderr]     Checking mm0b_parser v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `buf` is never read
[INFO] [stdout]     --> src/parser.rs:1020:3
[INFO] [stdout]      |
[INFO] [stdout] 1018 | pub struct HypsEntryRef<'a> {
[INFO] [stdout]      |            ------------ field in this struct
[INFO] [stdout] 1019 |   /// The full file
[INFO] [stdout] 1020 |   buf: &'a [u8],
[INFO] [stdout]      |   ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `HypsEntryRef` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]     --> src/lib.rs:18:3
[INFO] [stdout]      |
[INFO] [stdout] 18   |   unused,
[INFO] [stdout]      |   ^^^^^^
[INFO] [stdout]      = note: `#[warn(dead_code)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `buf` is never read
[INFO] [stdout]     --> src/parser.rs:1020:3
[INFO] [stdout]      |
[INFO] [stdout] 1018 | pub struct HypsEntryRef<'a> {
[INFO] [stdout]      |            ------------ field in this struct
[INFO] [stdout] 1019 |   /// The full file
[INFO] [stdout] 1020 |   buf: &'a [u8],
[INFO] [stdout]      |   ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `HypsEntryRef` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]     --> src/lib.rs:18:3
[INFO] [stdout]      |
[INFO] [stdout] 18   |   unused,
[INFO] [stdout]      |   ^^^^^^
[INFO] [stdout]      = note: `#[warn(dead_code)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.64s
[INFO] running `Command { std: "docker" "inspect" "524e105f31621b53b392c2df7497e53a9009800d2684cd15b153af64c6b76f4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "524e105f31621b53b392c2df7497e53a9009800d2684cd15b153af64c6b76f4d", kill_on_drop: false }`
[INFO] [stdout] 524e105f31621b53b392c2df7497e53a9009800d2684cd15b153af64c6b76f4d