[INFO] fetching crate ovba 0.4.0...
[INFO] checking ovba-0.4.0 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate ovba 0.4.0 into /workspace/builds/worker-50/source
[INFO] validating manifest of crates.io crate ovba 0.4.0 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ovba 0.4.0
[INFO] finished tweaking crates.io crate ovba 0.4.0
[INFO] tweaked toml for crates.io crate ovba 0.4.0 written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5fff6b8cbcce623954f2cfbc2b71e4022190f922ee12dc559d4699d829bb91de
[INFO] running `Command { std: "docker" "start" "-a" "5fff6b8cbcce623954f2cfbc2b71e4022190f922ee12dc559d4699d829bb91de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fff6b8cbcce623954f2cfbc2b71e4022190f922ee12dc559d4699d829bb91de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fff6b8cbcce623954f2cfbc2b71e4022190f922ee12dc559d4699d829bb91de", kill_on_drop: false }`
[INFO] [stdout] 5fff6b8cbcce623954f2cfbc2b71e4022190f922ee12dc559d4699d829bb91de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 753274c7afd39a76068e53c8d8ee23fcaf392a41c8e5661cb1c3405cb31a2a09
[INFO] running `Command { std: "docker" "start" "-a" "753274c7afd39a76068e53c8d8ee23fcaf392a41c8e5661cb1c3405cb31a2a09", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking cfb v0.3.1
[INFO] [stderr]     Checking lexical-core v0.7.6
[INFO] [stderr]     Checking codepage v0.1.1
[INFO] [stderr]     Checking ovba v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `libid_original`
[INFO] [stdout]    --> src/lib.rs:108:5
[INFO] [stdout]     |
[INFO] [stdout] 108 |     libid_original: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `libid_twiddled`
[INFO] [stdout]    --> src/lib.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 109 |     libid_twiddled: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name_extended`
[INFO] [stdout]    --> src/lib.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 110 |     name_extended: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `libid_extended`
[INFO] [stdout]    --> src/lib.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 111 |     libid_extended: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `guid`
[INFO] [stdout]    --> src/lib.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 |     guid: Vec<u8>, // Should be an `[u8; 16]`, though I'm not sure how to convert &[u8] returned by the parser into an array.
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cookie`
[INFO] [stdout]    --> src/lib.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 |     cookie: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]    --> src/lib.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 123 |     name: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `libid_original`
[INFO] [stdout]    --> src/lib.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 124 |     libid_original: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `libid`
[INFO] [stdout]    --> src/lib.rs:131:5
[INFO] [stdout]     |
[INFO] [stdout] 131 |     libid: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `libid_absolute`
[INFO] [stdout]    --> src/lib.rs:138:5
[INFO] [stdout]     |
[INFO] [stdout] 138 |     libid_absolute: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `libid_relative`
[INFO] [stdout]    --> src/lib.rs:139:5
[INFO] [stdout]     |
[INFO] [stdout] 139 |     libid_relative: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `major_version`
[INFO] [stdout]    --> src/lib.rs:140:5
[INFO] [stdout]     |
[INFO] [stdout] 140 |     major_version: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `minor_version`
[INFO] [stdout]    --> src/lib.rs:141:5
[INFO] [stdout]     |
[INFO] [stdout] 141 |     minor_version: u16,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `lcid`
[INFO] [stdout]    --> src/lib.rs:162:5
[INFO] [stdout]     |
[INFO] [stdout] 162 |     lcid: u32,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `lcid_invoke`
[INFO] [stdout]    --> src/lib.rs:163:5
[INFO] [stdout]     |
[INFO] [stdout] 163 |     lcid_invoke: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]    --> src/lib.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 165 |     name: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `doc_string`
[INFO] [stdout]    --> src/lib.rs:166:5
[INFO] [stdout]     |
[INFO] [stdout] 166 |     doc_string: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `help_file_1`
[INFO] [stdout]    --> src/lib.rs:167:5
[INFO] [stdout]     |
[INFO] [stdout] 167 |     help_file_1: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `help_context`
[INFO] [stdout]    --> src/lib.rs:168:5
[INFO] [stdout]     |
[INFO] [stdout] 168 |     help_context: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `lib_flags`
[INFO] [stdout]    --> src/lib.rs:169:5
[INFO] [stdout]     |
[INFO] [stdout] 169 |     lib_flags: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `version_major`
[INFO] [stdout]    --> src/lib.rs:170:5
[INFO] [stdout]     |
[INFO] [stdout] 170 |     version_major: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `version_minor`
[INFO] [stdout]    --> src/lib.rs:171:5
[INFO] [stdout]     |
[INFO] [stdout] 171 |     version_minor: u16,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `constants`
[INFO] [stdout]    --> src/lib.rs:172:5
[INFO] [stdout]     |
[INFO] [stdout] 172 |     constants: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `libid_original`
[INFO] [stdout]    --> src/lib.rs:108:5
[INFO] [stdout]     |
[INFO] [stdout] 108 |     libid_original: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `libid_twiddled`
[INFO] [stdout]    --> src/lib.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 109 |     libid_twiddled: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name_extended`
[INFO] [stdout]    --> src/lib.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 110 |     name_extended: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `libid_extended`
[INFO] [stdout]    --> src/lib.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 111 |     libid_extended: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `guid`
[INFO] [stdout]    --> src/lib.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 |     guid: Vec<u8>, // Should be an `[u8; 16]`, though I'm not sure how to convert &[u8] returned by the parser into an array.
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cookie`
[INFO] [stdout]    --> src/lib.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 |     cookie: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]    --> src/lib.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 123 |     name: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `libid_original`
[INFO] [stdout]    --> src/lib.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 124 |     libid_original: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `libid`
[INFO] [stdout]    --> src/lib.rs:131:5
[INFO] [stdout]     |
[INFO] [stdout] 131 |     libid: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `libid_absolute`
[INFO] [stdout]    --> src/lib.rs:138:5
[INFO] [stdout]     |
[INFO] [stdout] 138 |     libid_absolute: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `libid_relative`
[INFO] [stdout]    --> src/lib.rs:139:5
[INFO] [stdout]     |
[INFO] [stdout] 139 |     libid_relative: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `major_version`
[INFO] [stdout]    --> src/lib.rs:140:5
[INFO] [stdout]     |
[INFO] [stdout] 140 |     major_version: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `minor_version`
[INFO] [stdout]    --> src/lib.rs:141:5
[INFO] [stdout]     |
[INFO] [stdout] 141 |     minor_version: u16,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `lcid`
[INFO] [stdout]    --> src/lib.rs:162:5
[INFO] [stdout]     |
[INFO] [stdout] 162 |     lcid: u32,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `lcid_invoke`
[INFO] [stdout]    --> src/lib.rs:163:5
[INFO] [stdout]     |
[INFO] [stdout] 163 |     lcid_invoke: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]    --> src/lib.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 165 |     name: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `doc_string`
[INFO] [stdout]    --> src/lib.rs:166:5
[INFO] [stdout]     |
[INFO] [stdout] 166 |     doc_string: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `help_file_1`
[INFO] [stdout]    --> src/lib.rs:167:5
[INFO] [stdout]     |
[INFO] [stdout] 167 |     help_file_1: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `help_context`
[INFO] [stdout]    --> src/lib.rs:168:5
[INFO] [stdout]     |
[INFO] [stdout] 168 |     help_context: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `lib_flags`
[INFO] [stdout]    --> src/lib.rs:169:5
[INFO] [stdout]     |
[INFO] [stdout] 169 |     lib_flags: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `version_major`
[INFO] [stdout]    --> src/lib.rs:170:5
[INFO] [stdout]     |
[INFO] [stdout] 170 |     version_major: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `version_minor`
[INFO] [stdout]    --> src/lib.rs:171:5
[INFO] [stdout]     |
[INFO] [stdout] 171 |     version_minor: u16,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `constants`
[INFO] [stdout]    --> src/lib.rs:172:5
[INFO] [stdout]     |
[INFO] [stdout] 172 |     constants: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.33s
[INFO] running `Command { std: "docker" "inspect" "753274c7afd39a76068e53c8d8ee23fcaf392a41c8e5661cb1c3405cb31a2a09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "753274c7afd39a76068e53c8d8ee23fcaf392a41c8e5661cb1c3405cb31a2a09", kill_on_drop: false }`
[INFO] [stdout] 753274c7afd39a76068e53c8d8ee23fcaf392a41c8e5661cb1c3405cb31a2a09