[INFO] cloning repository https://github.com/lukahasch/kanon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lukahasch/kanon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukahasch%2Fkanon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukahasch%2Fkanon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c848a108ffb222c4b9ec483a5e4b98ced46ea2b7
[INFO] fixing lukahasch/kanon against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukahasch%2Fkanon" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lukahasch/kanon
[INFO] finished tweaking git repo https://github.com/lukahasch/kanon
[INFO] tweaked toml for git repo https://github.com/lukahasch/kanon written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lukahasch/kanon 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] crate git repo https://github.com/lukahasch/kanon 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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 }`
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[INFO] running `Command { std: "docker" "start" "3d66f3db480e4ac5a7403bb62e433d5a0eb8d5a6ec68a307f0c367c0c99b14dc", kill_on_drop: false }`
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[INFO] [stdout] warning: the feature `explicit_tail_calls` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     explicit_tail_calls,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #112788 <https://github.com/rust-lang/rust/issues/112788> for more information
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `marker::Tuple`
[INFO] [stdout]  --> src/error/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     marker::Tuple,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `explicit_tail_calls` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     explicit_tail_calls,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #112788 <https://github.com/rust-lang/rust/issues/112788> for more information
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `marker::Tuple`
[INFO] [stdout]  --> src/error/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     marker::Tuple,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `lib::Output<Infallible>: Residual<T>` is not satisfied
[INFO] [stdout]    --> src/parser/lib/mod.rs:759:21
[INFO] [stdout]     |
[INFO] [stdout] 759 |     type Residual = Output<Infallible>;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]     |
[INFO] [stdout] help: the nightly-only, unstable trait `Residual<T>` is not implemented for `lib::Output<Infallible>`
[INFO] [stdout]    --> src/parser/lib/mod.rs:26:1
[INFO] [stdout]     |
[INFO] [stdout]  26 | pub enum Output<T> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: the following other types implement trait `Residual<O>`
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/core/src/option.rs:2810:0
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Option<Infallible>`
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/core/src/result.rs:2208:0
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Result<Infallible, E>`
[INFO] [stdout] note: required by a bound in `std::ops::Try::Residual`
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/core/src/ops/try_trait.rs:160:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `lib::Output<Infallible>: Residual<T>` is not satisfied
[INFO] [stdout]    --> src/parser/lib/mod.rs:759:21
[INFO] [stdout]     |
[INFO] [stdout] 759 |     type Residual = Output<Infallible>;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]     |
[INFO] [stdout] help: the nightly-only, unstable trait `Residual<T>` is not implemented for `lib::Output<Infallible>`
[INFO] [stdout]    --> src/parser/lib/mod.rs:26:1
[INFO] [stdout]     |
[INFO] [stdout]  26 | pub enum Output<T> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: the following other types implement trait `Residual<O>`
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/core/src/option.rs:2810:0
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Option<Infallible>`
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/core/src/result.rs:2208:0
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Result<Infallible, E>`
[INFO] [stdout] note: required by a bound in `std::ops::Try::Residual`
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/core/src/ops/try_trait.rs:160:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `class`
[INFO] [stdout]    --> src/ctx/stores.rs:135:24
[INFO] [stdout]     |
[INFO] [stdout] 135 |     fn take(&mut self, class: Class, store: &mut impl Store<N, D, A>) -> Option<Class> {
[INFO] [stdout]     |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_class`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `store`
[INFO] [stdout]    --> src/ctx/stores.rs:135:38
[INFO] [stdout]     |
[INFO] [stdout] 135 |     fn take(&mut self, class: Class, store: &mut impl Store<N, D, A>) -> Option<Class> {
[INFO] [stdout]     |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_store`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `class`
[INFO] [stdout]    --> src/ctx/stores.rs:281:24
[INFO] [stdout]     |
[INFO] [stdout] 281 |     fn take(&mut self, class: Class, store: &mut impl Store<N, D, A>) -> Option<Class> {
[INFO] [stdout]     |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_class`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `store`
[INFO] [stdout]    --> src/ctx/stores.rs:281:38
[INFO] [stdout]     |
[INFO] [stdout] 281 |     fn take(&mut self, class: Class, store: &mut impl Store<N, D, A>) -> Option<Class> {
[INFO] [stdout]     |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_store`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `class`
[INFO] [stdout]    --> src/ctx/graph.rs:520:24
[INFO] [stdout]     |
[INFO] [stdout] 520 |     fn take(&mut self, class: Class, store: &mut impl Store<N, D, A>) -> Option<Class> {
[INFO] [stdout]     |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_class`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `store`
[INFO] [stdout]    --> src/ctx/graph.rs:520:38
[INFO] [stdout]     |
[INFO] [stdout] 520 |     fn take(&mut self, class: Class, store: &mut impl Store<N, D, A>) -> Option<Class> {
[INFO] [stdout]     |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_store`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `class`
[INFO] [stdout]    --> src/ctx/stores.rs:135:24
[INFO] [stdout]     |
[INFO] [stdout] 135 |     fn take(&mut self, class: Class, store: &mut impl Store<N, D, A>) -> Option<Class> {
[INFO] [stdout]     |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_class`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `store`
[INFO] [stdout]    --> src/ctx/stores.rs:135:38
[INFO] [stdout]     |
[INFO] [stdout] 135 |     fn take(&mut self, class: Class, store: &mut impl Store<N, D, A>) -> Option<Class> {
[INFO] [stdout]     |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_store`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `class`
[INFO] [stdout]    --> src/ctx/stores.rs:281:24
[INFO] [stdout]     |
[INFO] [stdout] 281 |     fn take(&mut self, class: Class, store: &mut impl Store<N, D, A>) -> Option<Class> {
[INFO] [stdout]     |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_class`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `store`
[INFO] [stdout]    --> src/ctx/stores.rs:281:38
[INFO] [stdout]     |
[INFO] [stdout] 281 |     fn take(&mut self, class: Class, store: &mut impl Store<N, D, A>) -> Option<Class> {
[INFO] [stdout]     |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_store`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `class`
[INFO] [stdout]    --> src/ctx/graph.rs:520:24
[INFO] [stdout]     |
[INFO] [stdout] 520 |     fn take(&mut self, class: Class, store: &mut impl Store<N, D, A>) -> Option<Class> {
[INFO] [stdout]     |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_class`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `store`
[INFO] [stdout]    --> src/ctx/graph.rs:520:38
[INFO] [stdout]     |
[INFO] [stdout] 520 |     fn take(&mut self, class: Class, store: &mut impl Store<N, D, A>) -> Option<Class> {
[INFO] [stdout]     |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_store`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kanon` (lib test) due to 1 previous error; 8 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kanon` (lib) due to 1 previous error; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "3d66f3db480e4ac5a7403bb62e433d5a0eb8d5a6ec68a307f0c367c0c99b14dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d66f3db480e4ac5a7403bb62e433d5a0eb8d5a6ec68a307f0c367c0c99b14dc", kill_on_drop: false }`
[INFO] [stdout] 3d66f3db480e4ac5a7403bb62e433d5a0eb8d5a6ec68a307f0c367c0c99b14dc
