[INFO] fetching crate woff2 0.3.0...
[INFO] checking woff2-0.3.0 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate woff2 0.3.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate woff2 0.3.0
[INFO] finished tweaking crates.io crate woff2 0.3.0
[INFO] tweaked toml for crates.io crate woff2 0.3.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate woff2 0.3.0 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate woff2 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--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]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror v1.0.30
[INFO] [stderr]   Downloaded bytes v1.1.0
[INFO] [stderr]   Downloaded quote v1.0.17
[INFO] [stderr]   Downloaded funty v2.0.0
[INFO] [stderr]   Downloaded paste v1.0.7
[INFO] [stderr]   Downloaded radium v0.7.0
[INFO] [stderr]   Downloaded alloc-stdlib v0.2.1
[INFO] [stderr]   Downloaded termcolor v1.1.3
[INFO] [stderr]   Downloaded four-cc v0.1.0
[INFO] [stderr]   Downloaded tap v1.0.1
[INFO] [stderr]   Downloaded alloc-no-stdlib v2.0.3
[INFO] [stderr]   Downloaded hermit-abi v0.1.19
[INFO] [stderr]   Downloaded wyz v0.5.0
[INFO] [stderr]   Downloaded indexmap v1.8.1
[INFO] [stderr]   Downloaded textwrap v0.15.0
[INFO] [stderr]   Downloaded clap_derive v3.1.7
[INFO] [stderr]   Downloaded proc-macro2 v1.0.37
[INFO] [stderr]   Downloaded ttf-parser v0.15.0
[INFO] [stderr]   Downloaded heck v0.4.0
[INFO] [stderr]   Downloaded version_check v0.9.4
[INFO] [stderr]   Downloaded brotli-decompressor v2.3.2
[INFO] [stderr]   Downloaded syn v1.0.91
[INFO] [stderr]   Downloaded clap v3.1.8
[INFO] [stderr]   Downloaded autocfg v1.1.0
[INFO] [stderr]   Downloaded bitvec v1.0.0
[INFO] [stderr]   Downloaded safer-bytes v0.2.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.30
[INFO] [stderr]   Downloaded libc v0.2.121
[INFO] [stderr]   Downloaded brotli v3.3.4
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd3251b7ebce868e17399adf55275d55a5c2e110815072cf86fe05b5f65f2d6c
[INFO] running `Command { std: "docker" "start" "-a" "fd3251b7ebce868e17399adf55275d55a5c2e110815072cf86fe05b5f65f2d6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd3251b7ebce868e17399adf55275d55a5c2e110815072cf86fe05b5f65f2d6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd3251b7ebce868e17399adf55275d55a5c2e110815072cf86fe05b5f65f2d6c", kill_on_drop: false }`
[INFO] [stdout] fd3251b7ebce868e17399adf55275d55a5c2e110815072cf86fe05b5f65f2d6c
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6090167f5a452070186c3c11ad491260405be3bac589c7dc81b04e3757060d69
[INFO] running `Command { std: "docker" "start" "-a" "6090167f5a452070186c3c11ad491260405be3bac589c7dc81b04e3757060d69", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.3
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking alloc-stdlib v0.2.1
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking wyz v0.5.0
[INFO] [stderr]     Checking brotli-decompressor v2.3.2
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking four-cc v0.1.0
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking ttf-parser v0.15.0
[INFO] [stderr]     Checking bitvec v1.0.0
[INFO] [stderr]     Checking brotli v3.3.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling clap_derive v3.1.7
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking safer-bytes v0.2.0
[INFO] [stderr]     Checking woff2 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `version` is never read
[INFO] [stdout]   --> src/woff2/collection_directory.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub struct CollectionHeader {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] 48 |     pub version: CollectionHeaderVersion,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/woff2/header.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Woff2Header {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub length: u32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 25 |     pub num_tables: u16,
[INFO] [stdout] 26 |     pub reserved: u16,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub major_version: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 30 |     pub minor_version: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 31 |     pub meta_offset: u32,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 32 |     pub meta_length: u32,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 33 |     pub meta_orig_length: u32,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 34 |     pub private_offset: u32,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 35 |     pub private_length: u32,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `dest_length` is never read
[INFO] [stdout]    --> src/woff2/table_directory.rs:167:9
[INFO] [stdout]     |
[INFO] [stdout] 163 | pub struct TableDirectoryEntry {
[INFO] [stdout]     |            ------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 167 |     pub dest_length: u32,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TableDirectoryEntry` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking clap v3.1.8
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.92s
[INFO] [stdout] warning: field `version` is never read
[INFO] [stdout]   --> src/woff2/collection_directory.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub struct CollectionHeader {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] 48 |     pub version: CollectionHeaderVersion,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/woff2/header.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Woff2Header {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub length: u32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 25 |     pub num_tables: u16,
[INFO] [stdout] 26 |     pub reserved: u16,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub major_version: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 30 |     pub minor_version: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 31 |     pub meta_offset: u32,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 32 |     pub meta_length: u32,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 33 |     pub meta_orig_length: u32,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 34 |     pub private_offset: u32,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 35 |     pub private_length: u32,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `dest_length` is never read
[INFO] [stdout]    --> src/woff2/table_directory.rs:167:9
[INFO] [stdout]     |
[INFO] [stdout] 163 | pub struct TableDirectoryEntry {
[INFO] [stdout]     |            ------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 167 |     pub dest_length: u32,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TableDirectoryEntry` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6090167f5a452070186c3c11ad491260405be3bac589c7dc81b04e3757060d69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6090167f5a452070186c3c11ad491260405be3bac589c7dc81b04e3757060d69", kill_on_drop: false }`
[INFO] [stdout] 6090167f5a452070186c3c11ad491260405be3bac589c7dc81b04e3757060d69
