[INFO] fetching crate eziter 0.1.2...
[INFO] checking eziter-0.1.2 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate eziter 0.1.2 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate eziter 0.1.2 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate eziter 0.1.2
[INFO] finished tweaking crates.io crate eziter 0.1.2
[INFO] tweaked toml for crates.io crate eziter 0.1.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6524bc08958e40de6ecf97abc6719217c9f689caa86995a8040825c6ce38a48
[INFO] running `Command { std: "docker" "start" "-a" "b6524bc08958e40de6ecf97abc6719217c9f689caa86995a8040825c6ce38a48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6524bc08958e40de6ecf97abc6719217c9f689caa86995a8040825c6ce38a48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6524bc08958e40de6ecf97abc6719217c9f689caa86995a8040825c6ce38a48", kill_on_drop: false }`
[INFO] [stdout] b6524bc08958e40de6ecf97abc6719217c9f689caa86995a8040825c6ce38a48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fb45b67ec8edcefef57404d8d1a03ac230ce7a57a624c02dff847d642c6396e
[INFO] running `Command { std: "docker" "start" "-a" "1fb45b67ec8edcefef57404d8d1a03ac230ce7a57a624c02dff847d642c6396e", kill_on_drop: false }`
[INFO] [stderr]     Checking eziter v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/lib.rs:66:68
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub trait RefIterator<'a> {
[INFO] [stdout]    |                       -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 66 |     fn iter_ref(&'a self) -> Box<dyn Iterator<Item = Self::Item> + '_>;
[INFO] [stdout]    |                                                                    ^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/lib.rs:72:72
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub trait MutIterator<'a> {
[INFO] [stdout]    |                       -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 72 |     fn mut_iter(&'a mut self) -> Box<dyn Iterator<Item = Self::Item> + '_>;
[INFO] [stdout]    |                                                                        ^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/lib.rs:84:80
[INFO] [stdout]     |
[INFO] [stdout] 80  |               impl<'a, $($param: 'a),*> RefIterator<'a> for $name {
[INFO] [stdout]     |                    -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 84  |                   fn iter_ref(&'a self) -> Box<dyn Iterator<Item = Self::Item> + '_> {
[INFO] [stdout]     |                                                                                  ^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] ...
[INFO] [stdout] 92  | / impl_eziter_ref! {
[INFO] [stdout] 93  | |     HashMap<K, V>{K, V},
[INFO] [stdout] 94  | |     BTreeMap<K, V>{K, V},
[INFO] [stdout] 95  | |     HashSet<K>{K},
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     VecDeque<T>{T},
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_eziter_ref` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/lib.rs:112:84
[INFO] [stdout]     |
[INFO] [stdout] 108 |               impl<'a, $($param: 'a),*> MutIterator<'a> for $name {
[INFO] [stdout]     |                    -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 112 |                   fn mut_iter(&'a mut self) -> Box<dyn Iterator<Item = Self::Item> + '_> {
[INFO] [stdout]     |                                                                                      ^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] ...
[INFO] [stdout] 120 | / impl_eziter_mut! {
[INFO] [stdout] 121 | |     HashMap<K, V>{K, V}(&'a K, &'a mut V),
[INFO] [stdout] 122 | |     BTreeMap<K, V>{K, V}(&'a K, &'a mut V),
[INFO] [stdout] 123 | |     LinkedList<T>{T}(&'a mut T),
[INFO] [stdout] 124 | |     Vec<T>{T}(&'a mut T),
[INFO] [stdout] 125 | |     VecDeque<T>{T}(&'a mut T),
[INFO] [stdout] 126 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_eziter_mut` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/lib.rs:66:68
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub trait RefIterator<'a> {
[INFO] [stdout]    |                       -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 66 |     fn iter_ref(&'a self) -> Box<dyn Iterator<Item = Self::Item> + '_>;
[INFO] [stdout]    |                                                                    ^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/lib.rs:72:72
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub trait MutIterator<'a> {
[INFO] [stdout]    |                       -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 72 |     fn mut_iter(&'a mut self) -> Box<dyn Iterator<Item = Self::Item> + '_>;
[INFO] [stdout]    |                                                                        ^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/lib.rs:84:80
[INFO] [stdout]     |
[INFO] [stdout] 80  |               impl<'a, $($param: 'a),*> RefIterator<'a> for $name {
[INFO] [stdout]     |                    -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 84  |                   fn iter_ref(&'a self) -> Box<dyn Iterator<Item = Self::Item> + '_> {
[INFO] [stdout]     |                                                                                  ^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] ...
[INFO] [stdout] 92  | / impl_eziter_ref! {
[INFO] [stdout] 93  | |     HashMap<K, V>{K, V},
[INFO] [stdout] 94  | |     BTreeMap<K, V>{K, V},
[INFO] [stdout] 95  | |     HashSet<K>{K},
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     VecDeque<T>{T},
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_eziter_ref` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/lib.rs:112:84
[INFO] [stdout]     |
[INFO] [stdout] 108 |               impl<'a, $($param: 'a),*> MutIterator<'a> for $name {
[INFO] [stdout]     |                    -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 112 |                   fn mut_iter(&'a mut self) -> Box<dyn Iterator<Item = Self::Item> + '_> {
[INFO] [stdout]     |                                                                                      ^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] ...
[INFO] [stdout] 120 | / impl_eziter_mut! {
[INFO] [stdout] 121 | |     HashMap<K, V>{K, V}(&'a K, &'a mut V),
[INFO] [stdout] 122 | |     BTreeMap<K, V>{K, V}(&'a K, &'a mut V),
[INFO] [stdout] 123 | |     LinkedList<T>{T}(&'a mut T),
[INFO] [stdout] 124 | |     Vec<T>{T}(&'a mut T),
[INFO] [stdout] 125 | |     VecDeque<T>{T}(&'a mut T),
[INFO] [stdout] 126 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_eziter_mut` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "1fb45b67ec8edcefef57404d8d1a03ac230ce7a57a624c02dff847d642c6396e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fb45b67ec8edcefef57404d8d1a03ac230ce7a57a624c02dff847d642c6396e", kill_on_drop: false }`
[INFO] [stdout] 1fb45b67ec8edcefef57404d8d1a03ac230ce7a57a624c02dff847d642c6396e