[INFO] fetching crate classy 0.1.2...
[INFO] checking classy-0.1.2 against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] extracting crate classy 0.1.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate classy 0.1.2 on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate classy 0.1.2
[INFO] finished tweaking crates.io crate classy 0.1.2
[INFO] tweaked toml for crates.io crate classy 0.1.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate classy 0.1.2 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" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zip v0.6.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd36144410d60bfe2c9b4eeb0d127c999c7ff57634ee110597860798c9f6b879
[INFO] running `Command { std: "docker" "start" "-a" "fd36144410d60bfe2c9b4eeb0d127c999c7ff57634ee110597860798c9f6b879", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd36144410d60bfe2c9b4eeb0d127c999c7ff57634ee110597860798c9f6b879", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd36144410d60bfe2c9b4eeb0d127c999c7ff57634ee110597860798c9f6b879", kill_on_drop: false }`
[INFO] [stdout] fd36144410d60bfe2c9b4eeb0d127c999c7ff57634ee110597860798c9f6b879
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36b0f366e395c578ec0beb8a7ffaf1242f01e7f58adf51d21f4dc20ab803b517
[INFO] running `Command { std: "docker" "start" "-a" "36b0f366e395c578ec0beb8a7ffaf1242f01e7f58adf51d21f4dc20ab803b517", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling proc-macro2 v1.0.57
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]     Checking cpufeatures v0.2.7
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking time-core v0.1.1
[INFO] [stderr]     Checking aho-corasick v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.7.1
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking time v0.3.21
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking password-hash v0.4.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]    Compiling jobserver v0.1.26
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling zstd-sys v2.0.8+zstd.1.5.5
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking regex v1.8.1
[INFO] [stderr]     Checking digest v0.10.6
[INFO] [stderr]     Checking bzip2 v0.4.4
[INFO] [stderr]     Checking aes v0.7.5
[INFO] [stderr]     Checking sha2 v0.10.6
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha1 v0.10.5
[INFO] [stderr]     Checking pbkdf2 v0.11.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking zstd v0.11.2+zstd.1.5.2
[INFO] [stderr]     Checking zip v0.6.5
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking classy v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `minor_version`, `major_version`, `access_flags`, `super_class`, `interfaces`, and `attributes` are never read
[INFO] [stdout]    --> src/lib.rs:341:5
[INFO] [stdout]     |
[INFO] [stdout] 340 | pub struct ClassFile {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 341 |     minor_version: u16,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 342 |     major_version: u16,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 343 |     constant_pool: Vec<Constant>,
[INFO] [stdout] 344 |     access_flags: u16,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 345 |     this_class: u16,
[INFO] [stdout] 346 |     super_class: u16,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 347 |     interfaces: Vec<u16>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 350 |     attributes: Vec<Attribute>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ClassFile` 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: fields `access_flags` and `attributes` are never read
[INFO] [stdout]    --> src/lib.rs:411:5
[INFO] [stdout]     |
[INFO] [stdout] 410 | pub struct FieldInfo {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 411 |     access_flags: u16,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 414 |     attributes: Vec<Attribute>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FieldInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `access_flags` and `attributes` are never read
[INFO] [stdout]    --> src/lib.rs:419:5
[INFO] [stdout]     |
[INFO] [stdout] 418 | pub struct MethodInfo {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 419 |     access_flags: u16,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 422 |     attributes: Vec<Attribute>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MethodInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `start_pc`, `end_pc`, `handler_pc`, and `catch_type` are never read
[INFO] [stdout]    --> src/lib.rs:444:5
[INFO] [stdout]     |
[INFO] [stdout] 443 | pub struct ExceptionTable {
[INFO] [stdout]     |            -------------- fields in this struct
[INFO] [stdout] 444 |     start_pc: u16,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 445 |     end_pc: u16,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 446 |     handler_pc: u16,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 447 |     catch_type: u16,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ExceptionTable` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `access_flags`, `super_class`, `interfaces`, and `attributes` are never read
[INFO] [stdout]    --> src/lib.rs:344:5
[INFO] [stdout]     |
[INFO] [stdout] 340 | pub struct ClassFile {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 344 |     access_flags: u16,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 345 |     this_class: u16,
[INFO] [stdout] 346 |     super_class: u16,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 347 |     interfaces: Vec<u16>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 350 |     attributes: Vec<Attribute>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ClassFile` 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: fields `access_flags` and `attributes` are never read
[INFO] [stdout]    --> src/lib.rs:411:5
[INFO] [stdout]     |
[INFO] [stdout] 410 | pub struct FieldInfo {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 411 |     access_flags: u16,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 414 |     attributes: Vec<Attribute>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FieldInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `access_flags` and `attributes` are never read
[INFO] [stdout]    --> src/lib.rs:419:5
[INFO] [stdout]     |
[INFO] [stdout] 418 | pub struct MethodInfo {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 419 |     access_flags: u16,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 422 |     attributes: Vec<Attribute>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MethodInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `start_pc`, `end_pc`, `handler_pc`, and `catch_type` are never read
[INFO] [stdout]    --> src/lib.rs:444:5
[INFO] [stdout]     |
[INFO] [stdout] 443 | pub struct ExceptionTable {
[INFO] [stdout]     |            -------------- fields in this struct
[INFO] [stdout] 444 |     start_pc: u16,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 445 |     end_pc: u16,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 446 |     handler_pc: u16,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 447 |     catch_type: u16,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ExceptionTable` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.37s
[INFO] running `Command { std: "docker" "inspect" "36b0f366e395c578ec0beb8a7ffaf1242f01e7f58adf51d21f4dc20ab803b517", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36b0f366e395c578ec0beb8a7ffaf1242f01e7f58adf51d21f4dc20ab803b517", kill_on_drop: false }`
[INFO] [stdout] 36b0f366e395c578ec0beb8a7ffaf1242f01e7f58adf51d21f4dc20ab803b517
