[INFO] fetching crate igs 0.1.4...
[INFO] checking igs-0.1.4 against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] extracting crate igs 0.1.4 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate igs 0.1.4
[INFO] finished tweaking crates.io crate igs 0.1.4
[INFO] tweaked toml for crates.io crate igs 0.1.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate igs 0.1.4 on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 95 packages to latest compatible versions
[INFO] [stderr]       Adding binout v0.2.1 (available: v0.3.1)
[INFO] [stderr]       Adding bitm v0.3.1 (available: v0.5.2)
[INFO] [stderr]       Adding nauty-Traces-sys v0.2.0 (available: v0.11.0)
[INFO] [stderr]       Adding ph v0.8.5 (available: v0.11.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41cb9953c7ec65970364f970771798fdbbaa9d26fbf1b63675beee43fe4dd474
[INFO] running `Command { std: "docker" "start" "-a" "41cb9953c7ec65970364f970771798fdbbaa9d26fbf1b63675beee43fe4dd474", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41cb9953c7ec65970364f970771798fdbbaa9d26fbf1b63675beee43fe4dd474", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41cb9953c7ec65970364f970771798fdbbaa9d26fbf1b63675beee43fe4dd474", kill_on_drop: false }`
[INFO] [stdout] 41cb9953c7ec65970364f970771798fdbbaa9d26fbf1b63675beee43fe4dd474
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7db160e1b6e7bd4fe5dbf531ba9d537d598df0534ad589c6e17c351a2da12e4
[INFO] running `Command { std: "docker" "start" "-a" "c7db160e1b6e7bd4fe5dbf531ba9d537d598df0534ad589c6e17c351a2da12e4", kill_on_drop: false }`
[INFO] [stderr]     Checking dyn_size_of v0.4.5
[INFO] [stderr]     Checking binout v0.3.1
[INFO] [stderr]     Checking xxhash-rust v0.8.15
[INFO] [stderr]     Checking either v1.16.0
[INFO] [stderr]     Checking fsum v0.1.3
[INFO] [stderr]     Checking co_sort v0.2.0
[INFO] [stderr]    Compiling igs v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking binout v0.2.1
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking wyhash v0.5.0
[INFO] [stderr]     Checking cpu-time v1.0.0
[INFO] [stderr]     Checking seedable_hash v0.1.7
[INFO] [stderr]     Checking bitm v0.4.3
[INFO] [stderr]     Checking bitm v0.3.1
[INFO] [stderr]     Checking rayon v1.12.0
[INFO] [stderr]     Checking minimum_redundancy v0.3.3
[INFO] [stderr]     Checking ph v0.8.5
[INFO] [stderr]     Checking csf v0.1.14
[INFO] [stdout] error: struct `SliceIterator` is never constructed
[INFO] [stdout]    --> src/games/chomp.rs:352:12
[INFO] [stdout]     |
[INFO] [stdout] 352 | pub struct SliceIterator<'a> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]     = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/games/chomp.rs:236:19
[INFO] [stdout]     |
[INFO] [stdout] 236 |     fn new(chomp: &Chomp, position: u64) -> ChompMovesIterator {
[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] 236 |     fn new(chomp: &Chomp, position: u64) -> ChompMovesIterator<'_> {
[INFO] [stdout]     |                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/games/cram/slices_provider.rs:15:22
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(cram: &Cram, slice_index: usize, max_end: u64) -> SliceIterator {
[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] 15 |     pub fn new(cram: &Cram, slice_index: usize, max_end: u64) -> SliceIterator<'_> {
[INFO] [stdout]    |                                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/games/cram/slices_provider.rs:113:22
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn new(cram: &Cram, slice_index: usize, max_end: u64, number_of_columns_in_end_db: u8) -> LimitedColumnsSliceIterator {
[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] 113 |     pub fn new(cram: &Cram, slice_index: usize, max_end: u64, number_of_columns_in_end_db: u8) -> LimitedColumnsSliceIterator<'_> {
[INFO] [stdout]     |                                                                                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `igs` (lib) due to 1 previous error; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `SliceIterator` is never constructed
[INFO] [stdout]    --> src/games/chomp.rs:352:12
[INFO] [stdout]     |
[INFO] [stdout] 352 | pub struct SliceIterator<'a> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]     = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/games/chomp.rs:236:19
[INFO] [stdout]     |
[INFO] [stdout] 236 |     fn new(chomp: &Chomp, position: u64) -> ChompMovesIterator {
[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] 236 |     fn new(chomp: &Chomp, position: u64) -> ChompMovesIterator<'_> {
[INFO] [stdout]     |                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/games/cram/slices_provider.rs:15:22
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(cram: &Cram, slice_index: usize, max_end: u64) -> SliceIterator {
[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] 15 |     pub fn new(cram: &Cram, slice_index: usize, max_end: u64) -> SliceIterator<'_> {
[INFO] [stdout]    |                                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/games/cram/slices_provider.rs:113:22
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn new(cram: &Cram, slice_index: usize, max_end: u64, number_of_columns_in_end_db: u8) -> LimitedColumnsSliceIterator {
[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] 113 |     pub fn new(cram: &Cram, slice_index: usize, max_end: u64, number_of_columns_in_end_db: u8) -> LimitedColumnsSliceIterator<'_> {
[INFO] [stdout]     |                                                                                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `igs` (lib test) due to 1 previous error; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "c7db160e1b6e7bd4fe5dbf531ba9d537d598df0534ad589c6e17c351a2da12e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7db160e1b6e7bd4fe5dbf531ba9d537d598df0534ad589c6e17c351a2da12e4", kill_on_drop: false }`
[INFO] [stdout] c7db160e1b6e7bd4fe5dbf531ba9d537d598df0534ad589c6e17c351a2da12e4
