[INFO] fetching crate dusk-cdf 0.5.0...
[INFO] checking dusk-cdf-0.5.0 against c60b92c03ca8a3b101eb9d57f51e2232690638c7 for pr-164148-crater-rollup
[INFO] extracting crate dusk-cdf 0.5.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate dusk-cdf 0.5.0
[INFO] finished tweaking crates.io crate dusk-cdf 0.5.0
[INFO] tweaked toml for crates.io crate dusk-cdf 0.5.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dusk-cdf 0.5.0 on toolchain c60b92c03ca8a3b101eb9d57f51e2232690638c7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "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" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 60 packages to highest compatible versions
[INFO] [stderr]       Adding dirs v4.0.0 (available: v7.0.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding msgpacker v0.3.1 (available: v0.7.2)
[INFO] [stderr]       Adding rand v0.8.8 (available: v0.10.3)
[INFO] [stderr]       Adding sha2 v0.10.9 (available: v0.11.1)
[INFO] [stderr]       Adding toml v0.5.11 (available: v1.1.8+spec-1.1.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a84df42a6211b75740c2500c5487a96a83c8cfbd6e93555db954d733348c9c3e
[INFO] running `Command { std: "docker" "start" "a84df42a6211b75740c2500c5487a96a83c8cfbd6e93555db954d733348c9c3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a84df42a6211b75740c2500c5487a96a83c8cfbd6e93555db954d733348c9c3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a84df42a6211b75740c2500c5487a96a83c8cfbd6e93555db954d733348c9c3e" "/opt/rustwide/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a84df42a6211b75740c2500c5487a96a83c8cfbd6e93555db954d733348c9c3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a84df42a6211b75740c2500c5487a96a83c8cfbd6e93555db954d733348c9c3e" "/opt/rustwide/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking env_logger v0.11.11
[INFO] [stderr]     Checking serde v1.0.229
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand v0.10.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking rand v0.8.8
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking quickcheck v1.1.0
[INFO] [stderr]    Compiling msgpacker-derive v0.1.2
[INFO] [stderr]     Checking msgpacker v0.3.1
[INFO] [stderr]     Checking dusk-cdf v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/decoder.rs:25:27
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub(crate) fn context(&mut self) -> (DecoderContext, &mut S) {
[INFO] [stdout]    |                           ^^^^^^^^^      ^^^^^^^^^^^^^^  ^^^^^^ the same lifetime is elided here
[INFO] [stdout]    |                           |              |
[INFO] [stdout]    |                           |              the same lifetime is hidden 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] 25 |     pub(crate) fn context(&mut self) -> (DecoderContext<'_>, &mut S) {
[INFO] [stdout]    |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/decoder.rs:122:29
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn fetch_constraint(&mut self, idx: usize) -> io::Result<Constraint> {
[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] 122 |     pub fn fetch_constraint(&mut self, idx: usize) -> io::Result<Constraint<'_>> {
[INFO] [stdout]     |                                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/decoder.rs:137:26
[INFO] [stdout]     |
[INFO] [stdout] 137 |     pub fn fetch_witness(&mut self, idx: usize) -> io::Result<Witness> {
[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] 137 |     pub fn fetch_witness(&mut self, idx: usize) -> io::Result<Witness<'_>> {
[INFO] [stdout]     |                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/zkdb.rs:87:37
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn fetch_current_constraint(&mut self) -> io::Result<Constraint> {
[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] 87 |     pub fn fetch_current_constraint(&mut self) -> io::Result<Constraint<'_>> {
[INFO] [stdout]    |                                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/zkdb.rs:92:29
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn fetch_constraint(&mut self, idx: usize) -> io::Result<Constraint> {
[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] 92 |     pub fn fetch_constraint(&mut self, idx: usize) -> io::Result<Constraint<'_>> {
[INFO] [stdout]    |                                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/zkdb.rs:97:26
[INFO] [stdout]    |
[INFO] [stdout] 97 |     pub fn fetch_witness(&mut self, idx: usize) -> io::Result<Witness> {
[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] 97 |     pub fn fetch_witness(&mut self, idx: usize) -> io::Result<Witness<'_>> {
[INFO] [stdout]    |                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/decoder.rs:25:27
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub(crate) fn context(&mut self) -> (DecoderContext, &mut S) {
[INFO] [stdout]    |                           ^^^^^^^^^      ^^^^^^^^^^^^^^  ^^^^^^ the same lifetime is elided here
[INFO] [stdout]    |                           |              |
[INFO] [stdout]    |                           |              the same lifetime is hidden 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] 25 |     pub(crate) fn context(&mut self) -> (DecoderContext<'_>, &mut S) {
[INFO] [stdout]    |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/decoder.rs:122:29
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn fetch_constraint(&mut self, idx: usize) -> io::Result<Constraint> {
[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] 122 |     pub fn fetch_constraint(&mut self, idx: usize) -> io::Result<Constraint<'_>> {
[INFO] [stdout]     |                                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/decoder.rs:137:26
[INFO] [stdout]     |
[INFO] [stdout] 137 |     pub fn fetch_witness(&mut self, idx: usize) -> io::Result<Witness> {
[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] 137 |     pub fn fetch_witness(&mut self, idx: usize) -> io::Result<Witness<'_>> {
[INFO] [stdout]     |                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `std::string::String` dusk_cdf
[INFO] [stdout]   --> src/encoder/tests.rs:49:54
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let source = EncodableSource::new(line, col, path.into());
[INFO] [stdout]    |                                                      ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 49 -         let source = EncodableSource::new(line, col, path.into());
[INFO] [stdout] 49 +         let source = EncodableSource::new(line, col, path);
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 49 -         let source = EncodableSource::new(line, col, path.into());
[INFO] [stdout] 49 +         let source = EncodableSource::new(line, col, <std::string::String as Into<_>>::into(path));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/zkdb.rs:87:37
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn fetch_current_constraint(&mut self) -> io::Result<Constraint> {
[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] 87 |     pub fn fetch_current_constraint(&mut self) -> io::Result<Constraint<'_>> {
[INFO] [stdout]    |                                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/zkdb.rs:92:29
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn fetch_constraint(&mut self, idx: usize) -> io::Result<Constraint> {
[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] 92 |     pub fn fetch_constraint(&mut self, idx: usize) -> io::Result<Constraint<'_>> {
[INFO] [stdout]    |                                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/zkdb.rs:97:26
[INFO] [stdout]    |
[INFO] [stdout] 97 |     pub fn fetch_witness(&mut self, idx: usize) -> io::Result<Witness> {
[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] 97 |     pub fn fetch_witness(&mut self, idx: usize) -> io::Result<Witness<'_>> {
[INFO] [stdout]    |                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dusk-cdf` (lib test) due to 1 previous error; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "a84df42a6211b75740c2500c5487a96a83c8cfbd6e93555db954d733348c9c3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a84df42a6211b75740c2500c5487a96a83c8cfbd6e93555db954d733348c9c3e", kill_on_drop: false }`
[INFO] [stdout] a84df42a6211b75740c2500c5487a96a83c8cfbd6e93555db954d733348c9c3e
