[INFO] fetching crate chd 0.3.3...
[INFO] checking chd-0.3.3 against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] extracting crate chd 0.3.3 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate chd 0.3.3
[INFO] finished tweaking crates.io crate chd 0.3.3
[INFO] tweaked toml for crates.io crate chd 0.3.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate chd 0.3.3 on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate chd 0.3.3 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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc45003370a6257020cd60652d17914c7312254d18299035ac566121cfd862de
[INFO] running `Command { std: "docker" "start" "-a" "cc45003370a6257020cd60652d17914c7312254d18299035ac566121cfd862de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc45003370a6257020cd60652d17914c7312254d18299035ac566121cfd862de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc45003370a6257020cd60652d17914c7312254d18299035ac566121cfd862de", kill_on_drop: false }`
[INFO] [stdout] cc45003370a6257020cd60652d17914c7312254d18299035ac566121cfd862de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fb4bb5fc237cf11d71bd0e03665c898e0809332196098b98885372eb45ce1a3
[INFO] running `Command { std: "docker" "start" "-a" "3fb4bb5fc237cf11d71bd0e03665c898e0809332196098b98885372eb45ce1a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]     Checking zlib-rs v0.4.2
[INFO] [stderr]     Checking crc-catalog v2.4.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking twox-hash v2.1.0
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking text_io v0.1.13
[INFO] [stderr]     Checking claxon v0.4.3
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]     Checking bitreader v0.3.11
[INFO] [stderr]     Checking ruzstd v0.8.0
[INFO] [stderr]     Checking crc v3.2.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking lzma-rs-perf-exp v0.2.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking libz-rs-sys v0.4.2
[INFO] [stderr]     Checking flate2 v1.1.0
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]     Checking chd v0.3.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/header.rs:506:26
[INFO] [stdout]     |
[INFO] [stdout] 506 |                 .map(|e| (e.init(self.hunk_size())))
[INFO] [stdout]     |                          ^                        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 506 -                 .map(|e| (e.init(self.hunk_size())))
[INFO] [stdout] 506 +                 .map(|e| e.init(self.hunk_size()))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unsound_owning_iterators`
[INFO] [stdout]    --> src/lib.rs:231:11
[INFO] [stdout]     |
[INFO] [stdout] 231 |     #[cfg(feature = "unsound_owning_iterators")]
[INFO] [stdout]     |           ^^^^^^^^^^--------------------------
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: there is a expected value with a similar name: `"unstable_lending_iterators"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `c_zlib`, `cd_full`, `codec_api`, `default`, `fast_lzma`, `fast_zlib`, `fast_zstd`, `huff_write`, `huffman_api`, `lending-iterator`, `max_perf`, `nonstandard_channel_count`, `nougat`, `std`, `unstable_lending_iterators`, `verify_block_crc`, `want_raw_data_sector`, `want_subcode`, and `zstd-safe`
[INFO] [stdout]     = help: consider adding `unsound_owning_iterators` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unsound_owning_iterators`
[INFO] [stdout]    --> src/lib.rs:276:11
[INFO] [stdout]     |
[INFO] [stdout] 276 |     #[cfg(feature = "unsound_owning_iterators")]
[INFO] [stdout]     |           ^^^^^^^^^^--------------------------
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: there is a expected value with a similar name: `"unstable_lending_iterators"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `c_zlib`, `cd_full`, `codec_api`, `default`, `fast_lzma`, `fast_zlib`, `fast_zstd`, `huff_write`, `huffman_api`, `lending-iterator`, `max_perf`, `nonstandard_channel_count`, `nougat`, `std`, `unstable_lending_iterators`, `verify_block_crc`, `want_raw_data_sector`, `want_subcode`, and `zstd-safe`
[INFO] [stdout]     = help: consider adding `unsound_owning_iterators` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/header.rs:506:26
[INFO] [stdout]     |
[INFO] [stdout] 506 |                 .map(|e| (e.init(self.hunk_size())))
[INFO] [stdout]     |                          ^                        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 506 -                 .map(|e| (e.init(self.hunk_size())))
[INFO] [stdout] 506 +                 .map(|e| e.init(self.hunk_size()))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/compression/zstd.rs:58:23
[INFO] [stdout]    |
[INFO] [stdout] 58 |             .map_err(|e| Error::DecompressionError)?;
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `codec_type` is never used
[INFO] [stdout]   --> src/compression/mod.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub trait CompressionCodecType {
[INFO] [stdout]    |           -------------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 37 |     fn codec_type(&self) -> CodecType
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `clear_ecc` and `verify_ecc` are never used
[INFO] [stdout]    --> src/compression/ecc.rs:744:8
[INFO] [stdout]     |
[INFO] [stdout] 742 | pub(crate) trait ErrorCorrectedSector {
[INFO] [stdout]     |                  -------------------- methods in this trait
[INFO] [stdout] 743 |     /// Reset the ECC P and Q codes to 0 within a sector
[INFO] [stdout] 744 |     fn clear_ecc(&mut self);
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 750 |     fn verify_ecc(&self) -> bool;
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/chdfile.rs:83:26
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn metadata_refs(&mut self) -> MetadataRefs<F> {
[INFO] [stdout]    |                          ^^^^^^^^^     --------------- the same lifetime is hidden here
[INFO] [stdout]    |                          |
[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] 83 |     pub fn metadata_refs(&mut self) -> MetadataRefs<'_, F> {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/chdfile.rs:110:17
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn hunk(&mut self, hunk_num: u32) -> Result<Hunk<F>> {
[INFO] [stdout]     |                 ^^^^^^^^^                           ------- the same lifetime is hidden here
[INFO] [stdout]     |                 |
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn hunk(&mut self, hunk_num: u32) -> Result<Hunk<'_, F>> {
[INFO] [stdout]     |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/map.rs:317:22
[INFO] [stdout]     |
[INFO] [stdout] 317 |     pub fn get_entry(&self, hunk_num: usize) -> Option<MapEntry> {
[INFO] [stdout]     |                      ^^^^^ the lifetime is elided here -------- the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 317 |     pub fn get_entry(&self, hunk_num: usize) -> Option<MapEntry<'_>> {
[INFO] [stdout]     |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/map.rs:342:17
[INFO] [stdout]     |
[INFO] [stdout] 342 |     pub fn iter(&self) -> MapEntries {
[INFO] [stdout]     |                 ^^^^^     ---------- the same lifetime is hidden here
[INFO] [stdout]     |                 |
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 342 |     pub fn iter(&self) -> MapEntries<'_> {
[INFO] [stdout]     |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/compression/zstd.rs:58:23
[INFO] [stdout]    |
[INFO] [stdout] 58 |             .map_err(|e| Error::DecompressionError)?;
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `codec_type` is never used
[INFO] [stdout]   --> src/compression/mod.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub trait CompressionCodecType {
[INFO] [stdout]    |           -------------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 37 |     fn codec_type(&self) -> CodecType
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `clear_ecc` and `verify_ecc` are never used
[INFO] [stdout]    --> src/compression/ecc.rs:744:8
[INFO] [stdout]     |
[INFO] [stdout] 742 | pub(crate) trait ErrorCorrectedSector {
[INFO] [stdout]     |                  -------------------- methods in this trait
[INFO] [stdout] 743 |     /// Reset the ECC P and Q codes to 0 within a sector
[INFO] [stdout] 744 |     fn clear_ecc(&mut self);
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 750 |     fn verify_ecc(&self) -> bool;
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/chdfile.rs:83:26
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn metadata_refs(&mut self) -> MetadataRefs<F> {
[INFO] [stdout]    |                          ^^^^^^^^^     --------------- the same lifetime is hidden here
[INFO] [stdout]    |                          |
[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] 83 |     pub fn metadata_refs(&mut self) -> MetadataRefs<'_, F> {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/chdfile.rs:110:17
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn hunk(&mut self, hunk_num: u32) -> Result<Hunk<F>> {
[INFO] [stdout]     |                 ^^^^^^^^^                           ------- the same lifetime is hidden here
[INFO] [stdout]     |                 |
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn hunk(&mut self, hunk_num: u32) -> Result<Hunk<'_, F>> {
[INFO] [stdout]     |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/map.rs:317:22
[INFO] [stdout]     |
[INFO] [stdout] 317 |     pub fn get_entry(&self, hunk_num: usize) -> Option<MapEntry> {
[INFO] [stdout]     |                      ^^^^^ the lifetime is elided here -------- the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 317 |     pub fn get_entry(&self, hunk_num: usize) -> Option<MapEntry<'_>> {
[INFO] [stdout]     |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/map.rs:342:17
[INFO] [stdout]     |
[INFO] [stdout] 342 |     pub fn iter(&self) -> MapEntries {
[INFO] [stdout]     |                 ^^^^^     ---------- the same lifetime is hidden here
[INFO] [stdout]     |                 |
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 342 |     pub fn iter(&self) -> MapEntries<'_> {
[INFO] [stdout]     |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.41s
[INFO] running `Command { std: "docker" "inspect" "3fb4bb5fc237cf11d71bd0e03665c898e0809332196098b98885372eb45ce1a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fb4bb5fc237cf11d71bd0e03665c898e0809332196098b98885372eb45ce1a3", kill_on_drop: false }`
[INFO] [stdout] 3fb4bb5fc237cf11d71bd0e03665c898e0809332196098b98885372eb45ce1a3
