[INFO] fetching crate piz 0.5.1...
[INFO] checking piz-0.5.1 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate piz 0.5.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate piz 0.5.1
[INFO] finished tweaking crates.io crate piz 0.5.1
[INFO] tweaked toml for crates.io crate piz 0.5.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate piz 0.5.1 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate piz 0.5.1 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eba1a9758be36c61bdd390c8cefefe1ee553962cdf75d6215db4c6aeebf4f75d
[INFO] running `Command { std: "docker" "start" "-a" "eba1a9758be36c61bdd390c8cefefe1ee553962cdf75d6215db4c6aeebf4f75d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eba1a9758be36c61bdd390c8cefefe1ee553962cdf75d6215db4c6aeebf4f75d", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df4f0b4b66e538a71a107c0d12946e7be61274b160e94158fbf70dc9179bcda6
[INFO] running `Command { std: "docker" "start" "-a" "df4f0b4b66e538a71a107c0d12946e7be61274b160e94158fbf70dc9179bcda6", kill_on_drop: false }`
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[INFO] [stdout] warning: field `file_comment` is never read
[INFO] [stdout]    --> src/spec.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub struct EndOfCentralDirectory<'a> {
[INFO] [stdout]     |            --------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 130 |     pub file_comment: &'a [u8],
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `EndOfCentralDirectory` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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/spec.rs:236:9
[INFO] [stdout]     |
[INFO] [stdout] 235 | pub struct Zip64EndOfCentralDirectory<'a> {
[INFO] [stdout]     |            -------------------------- fields in this struct
[INFO] [stdout] 236 |     pub source_version: u16,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 237 |     pub minimum_extract_version: u16,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 238 |     pub disk_number: u32,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 239 |     pub disk_with_central_directory: u32,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 240 |     pub entries_on_this_disk: u64,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 241 |     pub entries: u64,
[INFO] [stdout] 242 |     pub central_directory_size: u64,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 243 |     pub central_directory_offset: u64,
[INFO] [stdout] 244 |     pub extensible_data: &'a [u8],
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Zip64EndOfCentralDirectory` 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 `minimum_extract_version`, `internal_file_attributes`, and `file_comment` are never read
[INFO] [stdout]    --> src/spec.rs:343:9
[INFO] [stdout]     |
[INFO] [stdout] 341 | pub struct CentralDirectoryEntry<'a> {
[INFO] [stdout]     |            --------------------- fields in this struct
[INFO] [stdout] 342 |     pub source_version: u16,
[INFO] [stdout] 343 |     pub minimum_extract_version: u16,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 352 |     pub internal_file_attributes: u16,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 357 |     pub file_comment: &'a [u8],
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CentralDirectoryEntry` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `minimum_extract_version` is never read
[INFO] [stdout]    --> src/spec.rs:630:9
[INFO] [stdout]     |
[INFO] [stdout] 629 | pub struct LocalFileHeader<'a> {
[INFO] [stdout]     |            --------------- field in this struct
[INFO] [stdout] 630 |     pub minimum_extract_version: u16,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `LocalFileHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/read.rs:261:20
[INFO] [stdout]     |
[INFO] [stdout] 261 |     pub fn entries(&self) -> &[FileMetadata] {
[INFO] [stdout]     |                    ^^^^^     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |                    |         | |
[INFO] [stdout]     |                    |         | the same lifetime is hidden here
[INFO] [stdout]     |                    |         the same lifetime is elided here
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 261 |     pub fn entries(&self) -> &[FileMetadata<'_>] {
[INFO] [stdout]     |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `file_comment` is never read
[INFO] [stdout]    --> src/spec.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub struct EndOfCentralDirectory<'a> {
[INFO] [stdout]     |            --------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 130 |     pub file_comment: &'a [u8],
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `EndOfCentralDirectory` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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/spec.rs:236:9
[INFO] [stdout]     |
[INFO] [stdout] 235 | pub struct Zip64EndOfCentralDirectory<'a> {
[INFO] [stdout]     |            -------------------------- fields in this struct
[INFO] [stdout] 236 |     pub source_version: u16,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 237 |     pub minimum_extract_version: u16,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 238 |     pub disk_number: u32,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 239 |     pub disk_with_central_directory: u32,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 240 |     pub entries_on_this_disk: u64,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 241 |     pub entries: u64,
[INFO] [stdout] 242 |     pub central_directory_size: u64,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 243 |     pub central_directory_offset: u64,
[INFO] [stdout] 244 |     pub extensible_data: &'a [u8],
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Zip64EndOfCentralDirectory` 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 `minimum_extract_version`, `internal_file_attributes`, and `file_comment` are never read
[INFO] [stdout]    --> src/spec.rs:343:9
[INFO] [stdout]     |
[INFO] [stdout] 341 | pub struct CentralDirectoryEntry<'a> {
[INFO] [stdout]     |            --------------------- fields in this struct
[INFO] [stdout] 342 |     pub source_version: u16,
[INFO] [stdout] 343 |     pub minimum_extract_version: u16,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 352 |     pub internal_file_attributes: u16,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 357 |     pub file_comment: &'a [u8],
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CentralDirectoryEntry` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `minimum_extract_version` is never read
[INFO] [stdout]    --> src/spec.rs:630:9
[INFO] [stdout]     |
[INFO] [stdout] 629 | pub struct LocalFileHeader<'a> {
[INFO] [stdout]     |            --------------- field in this struct
[INFO] [stdout] 630 |     pub minimum_extract_version: u16,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `LocalFileHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/read.rs:261:20
[INFO] [stdout]     |
[INFO] [stdout] 261 |     pub fn entries(&self) -> &[FileMetadata] {
[INFO] [stdout]     |                    ^^^^^     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |                    |         | |
[INFO] [stdout]     |                    |         | the same lifetime is hidden here
[INFO] [stdout]     |                    |         the same lifetime is elided here
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 261 |     pub fn entries(&self) -> &[FileMetadata<'_>] {
[INFO] [stdout]     |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.73s
[INFO] running `Command { std: "docker" "inspect" "df4f0b4b66e538a71a107c0d12946e7be61274b160e94158fbf70dc9179bcda6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df4f0b4b66e538a71a107c0d12946e7be61274b160e94158fbf70dc9179bcda6", kill_on_drop: false }`
[INFO] [stdout] df4f0b4b66e538a71a107c0d12946e7be61274b160e94158fbf70dc9179bcda6
