[INFO] fetching crate syn_str 0.1.58...
[INFO] fixing syn_str-0.1.58 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] extracting crate syn_str 0.1.58 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate syn_str 0.1.58
[INFO] finished tweaking crates.io crate syn_str 0.1.58
[INFO] tweaked toml for crates.io crate syn_str 0.1.58 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate syn_str 0.1.58 on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "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" "+622891a4e29178280638a6b63a8908bde2c0c854" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages to latest compatible versions
[INFO] [stderr]       Adding fixed_len_str v0.2.9 (available: v0.3.3)
[INFO] [stderr]       Adding pretty_assertions v0.6.1 (available: v1.4.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fixed_len_str v0.2.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a7d0a01a92de63e78cf59150037485a774a8cd8e3ee4c72e614ce9016452ed1c
[INFO] running `Command { std: "docker" "start" "a7d0a01a92de63e78cf59150037485a774a8cd8e3ee4c72e614ce9016452ed1c", 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" "a7d0a01a92de63e78cf59150037485a774a8cd8e3ee4c72e614ce9016452ed1c" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7d0a01a92de63e78cf59150037485a774a8cd8e3ee4c72e614ce9016452ed1c", 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=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a7d0a01a92de63e78cf59150037485a774a8cd8e3ee4c72e614ce9016452ed1c" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling fixed_len_str v0.2.9
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking syn_str v0.1.58 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/custom_types.rs:55:35
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub(crate) fn get_generics(mut e: &str) -> Result<Vec<Generic>, &'static str> {
[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] 55 | pub(crate) fn get_generics(mut e: &str) -> Result<Vec<Generic<'_>>, &'static str> {
[INFO] [stdout]    |                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/custom_types.rs:108:19
[INFO] [stdout]     |
[INFO] [stdout] 108 |         for s in e.clone().split(|c: char| {
[INFO] [stdout]     |                   ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/custom_types.rs:319:17
[INFO] [stdout]     |
[INFO] [stdout] 319 |     fn generics(&self) -> &Vec<Generic>;
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 319 |     fn generics(&self) -> &Vec<Generic<'_>>;
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/custom_types.rs:702:17
[INFO] [stdout]     |
[INFO] [stdout] 702 |     fn generics(&self) -> &Vec<Generic> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 702 |     fn generics(&self) -> &Vec<Generic<'_>> {
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/custom_types.rs:1375:17
[INFO] [stdout]      |
[INFO] [stdout] 1375 |     fn generics(&self) -> &Vec<Generic> {
[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] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1375 |     fn generics(&self) -> &Vec<Generic<'_>> {
[INFO] [stdout]      |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/custom_types.rs:1650:17
[INFO] [stdout]      |
[INFO] [stdout] 1650 |     fn generics(&self) -> &Vec<Generic> {
[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] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1650 |     fn generics(&self) -> &Vec<Generic<'_>> {
[INFO] [stdout]      |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/custom_types.rs:1719:20
[INFO] [stdout]      |
[INFO] [stdout] 1719 |     pub fn resolve(&self, concrete: &'a str) -> Cow<str> {
[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] 1719 |     pub fn resolve(&self, concrete: &'a str) -> Cow<'_, str> {
[INFO] [stdout]      |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/custom_types.rs:55:35
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub(crate) fn get_generics(mut e: &str) -> Result<Vec<Generic>, &'static str> {
[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] 55 | pub(crate) fn get_generics(mut e: &str) -> Result<Vec<Generic<'_>>, &'static str> {
[INFO] [stdout]    |                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/custom_types.rs:108:19
[INFO] [stdout]     |
[INFO] [stdout] 108 |         for s in e.clone().split(|c: char| {
[INFO] [stdout]     |                   ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/custom_types.rs:319:17
[INFO] [stdout]     |
[INFO] [stdout] 319 |     fn generics(&self) -> &Vec<Generic>;
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 319 |     fn generics(&self) -> &Vec<Generic<'_>>;
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/custom_types.rs:702:17
[INFO] [stdout]     |
[INFO] [stdout] 702 |     fn generics(&self) -> &Vec<Generic> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 702 |     fn generics(&self) -> &Vec<Generic<'_>> {
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/custom_types.rs:1375:17
[INFO] [stdout]      |
[INFO] [stdout] 1375 |     fn generics(&self) -> &Vec<Generic> {
[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] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1375 |     fn generics(&self) -> &Vec<Generic<'_>> {
[INFO] [stdout]      |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/custom_types.rs:1650:17
[INFO] [stdout]      |
[INFO] [stdout] 1650 |     fn generics(&self) -> &Vec<Generic> {
[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] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1650 |     fn generics(&self) -> &Vec<Generic<'_>> {
[INFO] [stdout]      |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/custom_types.rs:1719:20
[INFO] [stdout]      |
[INFO] [stdout] 1719 |     pub fn resolve(&self, concrete: &'a str) -> Cow<str> {
[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] 1719 |     pub fn resolve(&self, concrete: &'a str) -> Cow<'_, str> {
[INFO] [stdout]      |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.94s
[INFO] [stderr] crater-edition-check: all finished
[INFO] running `Command { std: "docker" "inspect" "a7d0a01a92de63e78cf59150037485a774a8cd8e3ee4c72e614ce9016452ed1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7d0a01a92de63e78cf59150037485a774a8cd8e3ee4c72e614ce9016452ed1c", kill_on_drop: false }`
[INFO] [stdout] a7d0a01a92de63e78cf59150037485a774a8cd8e3ee4c72e614ce9016452ed1c
