[INFO] fetching crate lark-debug-with 0.1.0...
[INFO] testing lark-debug-with-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate lark-debug-with 0.1.0 into /workspace/builds/worker-43/source
[INFO] validating manifest of crates.io crate lark-debug-with 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lark-debug-with 0.1.0
[INFO] finished tweaking crates.io crate lark-debug-with 0.1.0
[INFO] tweaked toml for crates.io crate lark-debug-with 0.1.0 written to /workspace/builds/worker-43/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0adee282b3cd9f9eee7f5db508974492bfb1fcd95f363b972b75e9f08647086
[INFO] running `Command { std: "docker" "start" "-a" "c0adee282b3cd9f9eee7f5db508974492bfb1fcd95f363b972b75e9f08647086", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0adee282b3cd9f9eee7f5db508974492bfb1fcd95f363b972b75e9f08647086", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0adee282b3cd9f9eee7f5db508974492bfb1fcd95f363b972b75e9f08647086", kill_on_drop: false }`
[INFO] [stdout] c0adee282b3cd9f9eee7f5db508974492bfb1fcd95f363b972b75e9f08647086
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 718ae0fac52e9e47cf3a526518c02953ce9a12ea2b1368dddef4aa576aed26a9
[INFO] running `Command { std: "docker" "start" "-a" "718ae0fac52e9e47cf3a526518c02953ce9a12ea2b1368dddef4aa576aed26a9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling lark-debug-with v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(in_band_lifetimes)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed due to unsolved ergonomic questions and added lifetime resolution complexity
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(box_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(never_type)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(in_band_lifetimes)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(specialization)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(specialization)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout]   = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]   = help: consider using `min_specialization` instead, which is more stable and complete
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0261]: use of undeclared lifetime name `'me`
[INFO] [stdout]   --> src/lib.rs:62:57
[INFO] [stdout]    |
[INFO] [stdout] 62 | impl<Value, Cx: ?Sized> std::fmt::Debug for DebugCxPair<'me, Value, Cx>
[INFO] [stdout]    |      -                                                  ^^^ undeclared lifetime
[INFO] [stdout]    |      |
[INFO] [stdout]    |      help: consider introducing lifetime `'me` here: `'me,`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0261]: use of undeclared lifetime name `'me`
[INFO] [stdout]   --> src/lib.rs:71:59
[INFO] [stdout]    |
[INFO] [stdout] 71 | impl<Value, Cx: ?Sized> std::fmt::Display for DebugCxPair<'me, Value, Cx>
[INFO] [stdout]    |      -                                                    ^^^ undeclared lifetime
[INFO] [stdout]    |      |
[INFO] [stdout]    |      help: consider introducing lifetime `'me` here: `'me,`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0261]: use of undeclared lifetime name `'me`
[INFO] [stdout]   --> src/lib.rs:18:32
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn debug_with<Cx: ?Sized>(&'me self, cx: &'me Cx) -> DebugCxPair<'me, &'me Self, Cx> {
[INFO] [stdout]    |                                ^^^ undeclared lifetime
[INFO] [stdout]    |
[INFO] [stdout] help: consider introducing lifetime `'me` here
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub trait DebugWith<'me> {
[INFO] [stdout]    |                    +++++
[INFO] [stdout] help: consider introducing lifetime `'me` here
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn debug_with<'me, Cx: ?Sized>(&'me self, cx: &'me Cx) -> DebugCxPair<'me, &'me Self, Cx> {
[INFO] [stdout]    |                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0261]: use of undeclared lifetime name `'me`
[INFO] [stdout]   --> src/lib.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn debug_with<Cx: ?Sized>(&'me self, cx: &'me Cx) -> DebugCxPair<'me, &'me Self, Cx> {
[INFO] [stdout]    |                                               ^^^ undeclared lifetime
[INFO] [stdout]    |
[INFO] [stdout] help: consider introducing lifetime `'me` here
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub trait DebugWith<'me> {
[INFO] [stdout]    |                    +++++
[INFO] [stdout] help: consider introducing lifetime `'me` here
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn debug_with<'me, Cx: ?Sized>(&'me self, cx: &'me Cx) -> DebugCxPair<'me, &'me Self, Cx> {
[INFO] [stdout]    |                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0261]: use of undeclared lifetime name `'me`
[INFO] [stdout]   --> src/lib.rs:18:70
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn debug_with<Cx: ?Sized>(&'me self, cx: &'me Cx) -> DebugCxPair<'me, &'me Self, Cx> {
[INFO] [stdout]    |                                                                      ^^^ undeclared lifetime
[INFO] [stdout]    |
[INFO] [stdout] help: consider introducing lifetime `'me` here
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub trait DebugWith<'me> {
[INFO] [stdout]    |                    +++++
[INFO] [stdout] help: consider introducing lifetime `'me` here
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn debug_with<'me, Cx: ?Sized>(&'me self, cx: &'me Cx) -> DebugCxPair<'me, &'me Self, Cx> {
[INFO] [stdout]    |                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0261]: use of undeclared lifetime name `'me`
[INFO] [stdout]   --> src/lib.rs:18:76
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn debug_with<Cx: ?Sized>(&'me self, cx: &'me Cx) -> DebugCxPair<'me, &'me Self, Cx> {
[INFO] [stdout]    |                                                                            ^^^ undeclared lifetime
[INFO] [stdout]    |
[INFO] [stdout] help: consider introducing lifetime `'me` here
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub trait DebugWith<'me> {
[INFO] [stdout]    |                    +++++
[INFO] [stdout] help: consider introducing lifetime `'me` here
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn debug_with<'me, Cx: ?Sized>(&'me self, cx: &'me Cx) -> DebugCxPair<'me, &'me Self, Cx> {
[INFO] [stdout]    |                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0261]: use of undeclared lifetime name `'me`
[INFO] [stdout]   --> src/lib.rs:22:47
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn into_debug_with<Cx: ?Sized>(self, cx: &'me Cx) -> DebugCxPair<'me, Self, Cx>
[INFO] [stdout]    |                                               ^^^ undeclared lifetime
[INFO] [stdout]    |
[INFO] [stdout] help: consider introducing lifetime `'me` here
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub trait DebugWith<'me> {
[INFO] [stdout]    |                    +++++
[INFO] [stdout] help: consider introducing lifetime `'me` here
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn into_debug_with<'me, Cx: ?Sized>(self, cx: &'me Cx) -> DebugCxPair<'me, Self, Cx>
[INFO] [stdout]    |                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0261]: use of undeclared lifetime name `'me`
[INFO] [stdout]   --> src/lib.rs:22:70
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn into_debug_with<Cx: ?Sized>(self, cx: &'me Cx) -> DebugCxPair<'me, Self, Cx>
[INFO] [stdout]    |                                                                      ^^^ undeclared lifetime
[INFO] [stdout]    |
[INFO] [stdout] help: consider introducing lifetime `'me` here
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub trait DebugWith<'me> {
[INFO] [stdout]    |                    +++++
[INFO] [stdout] help: consider introducing lifetime `'me` here
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn into_debug_with<'me, Cx: ?Sized>(self, cx: &'me Cx) -> DebugCxPair<'me, Self, Cx>
[INFO] [stdout]    |                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 13 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0261, E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0261`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lark-debug-with` due to 14 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "718ae0fac52e9e47cf3a526518c02953ce9a12ea2b1368dddef4aa576aed26a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "718ae0fac52e9e47cf3a526518c02953ce9a12ea2b1368dddef4aa576aed26a9", kill_on_drop: false }`
[INFO] [stdout] 718ae0fac52e9e47cf3a526518c02953ce9a12ea2b1368dddef4aa576aed26a9