[INFO] fetching crate piz 0.5.1...
[INFO] checking piz-0.5.1 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate piz 0.5.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate piz 0.5.1 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 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-1-tc1/source/Cargo.toml
[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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "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 stderrlog v0.5.3
[INFO] [stderr]   Downloaded thiserror-impl v1.0.34
[INFO] [stderr]   Downloaded thiserror v1.0.34
[INFO] [stderr]   Downloaded anyhow v1.0.64
[INFO] [stderr]   Downloaded miniz_oxide v0.5.4
[INFO] [stderr]   Downloaded camino v1.1.1
[INFO] [stderr]   Downloaded chrono v0.4.22
[INFO] [stderr]   Downloaded codepage-437 v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 90eb9febcbd6bc0dd34f4554cec211db27472534073b4641422b953abac978b0
[INFO] running `Command { std: "docker" "start" "-a" "90eb9febcbd6bc0dd34f4554cec211db27472534073b4641422b953abac978b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90eb9febcbd6bc0dd34f4554cec211db27472534073b4641422b953abac978b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90eb9febcbd6bc0dd34f4554cec211db27472534073b4641422b953abac978b0", kill_on_drop: false }`
[INFO] [stdout] 90eb9febcbd6bc0dd34f4554cec211db27472534073b4641422b953abac978b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 1c4dd8a84f36fb421a268d10653a555988efbad81b7d99ffc265435df3a91bc5
[INFO] running `Command { std: "docker" "start" "-a" "1c4dd8a84f36fb421a268d10653a555988efbad81b7d99ffc265435df3a91bc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
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[INFO] [stderr]    Compiling num-traits v0.2.15
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[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
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[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking scopeguard v1.1.0
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[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]     Checking regex-syntax v0.6.27
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[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking chrono v0.4.22
[INFO] [stderr]     Checking stderrlog v0.5.3
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling thiserror-impl v1.0.34
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling codepage-437 v0.1.0
[INFO] [stderr]     Checking thiserror v1.0.34
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking piz v0.5.1 (/opt/rustwide/workdir)
[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)]` 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: 4 warnings emitted
[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)]` 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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.46s
[INFO] running `Command { std: "docker" "inspect" "1c4dd8a84f36fb421a268d10653a555988efbad81b7d99ffc265435df3a91bc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c4dd8a84f36fb421a268d10653a555988efbad81b7d99ffc265435df3a91bc5", kill_on_drop: false }`
[INFO] [stdout] 1c4dd8a84f36fb421a268d10653a555988efbad81b7d99ffc265435df3a91bc5