[INFO] cloning repository https://github.com/kriomant/pipec
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kriomant/pipec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkriomant%2Fpipec", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bad8c25c44ea07def06b03a4870f806c41455a6d
[INFO] checking kriomant/pipec against try#163937523761cc0def32f1ba9ed63fdf65ad3478 for pr-156749
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkriomant%2Fpipec" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/kriomant/pipec
[INFO] finished tweaking git repo https://github.com/kriomant/pipec
[INFO] tweaked toml for git repo https://github.com/kriomant/pipec written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kriomant/pipec on toolchain 163937523761cc0def32f1ba9ed63fdf65ad3478
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kriomant/pipec 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" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "cbd6b5d8d89a98c02c5e52f267169cab161264db107885e7a03256ed40761ec1", kill_on_drop: false }`
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[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/main.rs:1:42
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(result_option_map_or_default, box_patterns, import_trait_associated_functions, exit_status_error)]
[INFO] [stdout]   |                                          ^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in CURRENT_RUSTC_VERSION
[INFO] [stdout]   = note: superseded by `deref_patterns`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/main.rs:1:42
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(result_option_map_or_default, box_patterns, import_trait_associated_functions, exit_status_error)]
[INFO] [stdout]   |                                          ^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in CURRENT_RUSTC_VERSION
[INFO] [stdout]   = note: superseded by `deref_patterns`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/main.rs:1054:60
[INFO] [stdout]      |
[INFO] [stdout] 1054 |     let mut lines = std::mem::take(&mut cache.lines_cache).recycle();
[INFO] [stdout]      |                                                            ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `recycle(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]      = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] help: add `#![feature(vec_recycle)]` to the crate attributes to enable `Vec::<T, A>::recycle`
[INFO] [stdout]      |
[INFO] [stdout]    3 + #![feature(vec_recycle)]
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/main.rs:1055:71
[INFO] [stdout]      |
[INFO] [stdout] 1055 |     lines.extend(cache.spans_caches.drain(..).map(|v| Line { spans: v.recycle(), ..Default::default() }));
[INFO] [stdout]      |                                                                       ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `recycle(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] help: add `#![feature(vec_recycle)]` to the crate attributes to enable `Vec::<T, A>::recycle`
[INFO] [stdout]      |
[INFO] [stdout]    3 + #![feature(vec_recycle)]
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/main.rs:1063:96
[INFO] [stdout]      |
[INFO] [stdout] 1063 |     cache.spans_caches.extend(text.lines.iter_mut().map(|line| std::mem::take(&mut line.spans).recycle()));
[INFO] [stdout]      |                                                                                                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `recycle(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] help: add `#![feature(vec_recycle)]` to the crate attributes to enable `Vec::<T, A>::recycle`
[INFO] [stdout]      |
[INFO] [stdout]    3 + #![feature(vec_recycle)]
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/main.rs:1064:36
[INFO] [stdout]      |
[INFO] [stdout] 1064 |     cache.lines_cache = text.lines.recycle();
[INFO] [stdout]      |                                    ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `recycle(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] help: add `#![feature(vec_recycle)]` to the crate attributes to enable `Vec::<T, A>::recycle`
[INFO] [stdout]      |
[INFO] [stdout]    3 + #![feature(vec_recycle)]
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iterations` is never read
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/pipec-e60d259c0589c7d7/out/pipeline_ebnf.rs:6:4784
[INFO] [stdout]   |
[INFO] [stdout] 6 | ...r) => { state = state . record_error (err) ; break ; } } iterations += 1 ; } Ok (ParseOk { result : rest_commands , state }) } pub...
[INFO] [stdout]   |                                                             ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iterations` is never read
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/pipec-e60d259c0589c7d7/out/pipeline_ebnf.rs:6:7773
[INFO] [stdout]   |
[INFO] [stdout] 6 | ...r) => { state = state . record_error (err) ; break ; } } iterations += 1 ; } Ok (ParseOk { result : () , state }) } pub type Parse...
[INFO] [stdout]   |                                                             ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iterations` is never read
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/pipec-e60d259c0589c7d7/out/pipeline_ebnf.rs:6:17710
[INFO] [stdout]   |
[INFO] [stdout] 6 | ...r) => { state = state . record_error (err) ; break ; } } iterations += 1 ; } Ok (ParseOk { result : () , state }) } pub type Parse...
[INFO] [stdout]   |                                                             ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iterations` is never read
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/pipec-e60d259c0589c7d7/out/pipeline_ebnf.rs:6:20496
[INFO] [stdout]   |
[INFO] [stdout] 6 | ...r) => { state = state . record_error (err) ; break ; } } iterations += 1 ; } Ok (ParseOk { result : () , state }) } pub type Parse...
[INFO] [stdout]   |                                                             ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iterations` is never read
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/pipec-e60d259c0589c7d7/out/pipeline_ebnf.rs:6:22414
[INFO] [stdout]   |
[INFO] [stdout] 6 | ...r) => { state = state . record_error (err) ; break ; } } iterations += 1 ; } Ok (ParseOk { result : () , state }) } pub type Parse...
[INFO] [stdout]   |                                                             ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/main.rs:1054:60
[INFO] [stdout]      |
[INFO] [stdout] 1054 |     let mut lines = std::mem::take(&mut cache.lines_cache).recycle();
[INFO] [stdout]      |                                                            ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `recycle(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]      = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] help: add `#![feature(vec_recycle)]` to the crate attributes to enable `Vec::<T, A>::recycle`
[INFO] [stdout]      |
[INFO] [stdout]    3 + #![feature(vec_recycle)]
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/main.rs:1055:71
[INFO] [stdout]      |
[INFO] [stdout] 1055 |     lines.extend(cache.spans_caches.drain(..).map(|v| Line { spans: v.recycle(), ..Default::default() }));
[INFO] [stdout]      |                                                                       ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `recycle(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] help: add `#![feature(vec_recycle)]` to the crate attributes to enable `Vec::<T, A>::recycle`
[INFO] [stdout]      |
[INFO] [stdout]    3 + #![feature(vec_recycle)]
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/main.rs:1063:96
[INFO] [stdout]      |
[INFO] [stdout] 1063 |     cache.spans_caches.extend(text.lines.iter_mut().map(|line| std::mem::take(&mut line.spans).recycle()));
[INFO] [stdout]      |                                                                                                ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `recycle(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] help: add `#![feature(vec_recycle)]` to the crate attributes to enable `Vec::<T, A>::recycle`
[INFO] [stdout]      |
[INFO] [stdout]    3 + #![feature(vec_recycle)]
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/main.rs:1064:36
[INFO] [stdout]      |
[INFO] [stdout] 1064 |     cache.lines_cache = text.lines.recycle();
[INFO] [stdout]      |                                    ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `recycle(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] help: add `#![feature(vec_recycle)]` to the crate attributes to enable `Vec::<T, A>::recycle`
[INFO] [stdout]      |
[INFO] [stdout]    3 + #![feature(vec_recycle)]
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iterations` is never read
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/pipec-e60d259c0589c7d7/out/pipeline_ebnf.rs:6:4784
[INFO] [stdout]   |
[INFO] [stdout] 6 | ...r) => { state = state . record_error (err) ; break ; } } iterations += 1 ; } Ok (ParseOk { result : rest_commands , state }) } pub...
[INFO] [stdout]   |                                                             ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iterations` is never read
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/pipec-e60d259c0589c7d7/out/pipeline_ebnf.rs:6:7773
[INFO] [stdout]   |
[INFO] [stdout] 6 | ...r) => { state = state . record_error (err) ; break ; } } iterations += 1 ; } Ok (ParseOk { result : () , state }) } pub type Parse...
[INFO] [stdout]   |                                                             ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pipec` (bin "pipec" test) due to 1 previous error; 9 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: value assigned to `iterations` is never read
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/pipec-e60d259c0589c7d7/out/pipeline_ebnf.rs:6:17710
[INFO] [stdout]   |
[INFO] [stdout] 6 | ...r) => { state = state . record_error (err) ; break ; } } iterations += 1 ; } Ok (ParseOk { result : () , state }) } pub type Parse...
[INFO] [stdout]   |                                                             ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iterations` is never read
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/pipec-e60d259c0589c7d7/out/pipeline_ebnf.rs:6:20496
[INFO] [stdout]   |
[INFO] [stdout] 6 | ...r) => { state = state . record_error (err) ; break ; } } iterations += 1 ; } Ok (ParseOk { result : () , state }) } pub type Parse...
[INFO] [stdout]   |                                                             ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iterations` is never read
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/pipec-e60d259c0589c7d7/out/pipeline_ebnf.rs:6:22414
[INFO] [stdout]   |
[INFO] [stdout] 6 | ...r) => { state = state . record_error (err) ; break ; } } iterations += 1 ; } Ok (ParseOk { result : () , state }) } pub type Parse...
[INFO] [stdout]   |                                                             ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pipec` (bin "pipec") due to 1 previous error; 9 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "cbd6b5d8d89a98c02c5e52f267169cab161264db107885e7a03256ed40761ec1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbd6b5d8d89a98c02c5e52f267169cab161264db107885e7a03256ed40761ec1", kill_on_drop: false }`
[INFO] [stdout] cbd6b5d8d89a98c02c5e52f267169cab161264db107885e7a03256ed40761ec1
