[INFO] fetching crate firespine 0.1.3...
[INFO] testing firespine-0.1.3 against try#bd7d74411512a3dd3b35d2f699c51dd2557c7e7e+cargoflags=-Zbuild-dir-new-layout for pr-149852-1
[INFO] extracting crate firespine 0.1.3 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate firespine 0.1.3
[INFO] finished tweaking crates.io crate firespine 0.1.3
[INFO] tweaked toml for crates.io crate firespine 0.1.3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate firespine 0.1.3 on toolchain bd7d74411512a3dd3b35d2f699c51dd2557c7e7e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "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" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 19 packages to latest compatible versions
[INFO] [stderr]       Adding downcast-rs v1.2.1 (available: v2.0.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7837a7ce91c395eb2fd80012413cfc111fb46a5cd949a743d82b828b4508db5
[INFO] running `Command { std: "docker" "start" "-a" "c7837a7ce91c395eb2fd80012413cfc111fb46a5cd949a743d82b828b4508db5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7837a7ce91c395eb2fd80012413cfc111fb46a5cd949a743d82b828b4508db5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7837a7ce91c395eb2fd80012413cfc111fb46a5cd949a743d82b828b4508db5", kill_on_drop: false }`
[INFO] [stdout] c7837a7ce91c395eb2fd80012413cfc111fb46a5cd949a743d82b828b4508db5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "build" "--frozen" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] c3eb64ad9df7de909636d37f2e7f5f01747c85a5ed427b28a55df0a7db2e6bca
[INFO] running `Command { std: "docker" "start" "-a" "c3eb64ad9df7de909636d37f2e7f5f01747c85a5ed427b28a55df0a7db2e6bca", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling firespine v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `get_subcontext_before` is never used
[INFO] [stdout]    --> src/ctx.rs:288:19
[INFO] [stdout]     |
[INFO] [stdout] 252 | impl Backbone {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 288 |     pub(crate) fn get_subcontext_before(&mut self, at: usize) -> Option<OuterNodeContext> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ctx.rs:122:34
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn get_subcontext_before(&mut self, at: usize) -> Option<OuterNodeContext> {
[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] 122 |     pub fn get_subcontext_before(&mut self, at: usize) -> Option<OuterNodeContext<'_>> {
[INFO] [stdout]     |                                                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ctx.rs:138:33
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn get_subcontext_after(&mut self, at: usize) -> Option<OuterNodeContext> {
[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] 138 |     pub fn get_subcontext_after(&mut self, at: usize) -> Option<OuterNodeContext<'_>> {
[INFO] [stdout]     |                                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ctx.rs:254:29
[INFO] [stdout]     |
[INFO] [stdout] 254 |     pub fn get_root_context(&mut self) -> Option<OuterNodeContext> {
[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] 254 |     pub fn get_root_context(&mut self) -> Option<OuterNodeContext<'_>> {
[INFO] [stdout]     |                                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ctx.rs:271:24
[INFO] [stdout]     |
[INFO] [stdout] 271 |     pub fn get_context(&mut self) -> Option<OuterNodeContext> {
[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] 271 |     pub fn get_context(&mut self) -> Option<OuterNodeContext<'_>> {
[INFO] [stdout]     |                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ctx.rs:288:41
[INFO] [stdout]     |
[INFO] [stdout] 288 |     pub(crate) fn get_subcontext_before(&mut self, at: usize) -> Option<OuterNodeContext> {
[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] 288 |     pub(crate) fn get_subcontext_before(&mut self, at: usize) -> Option<OuterNodeContext<'_>> {
[INFO] [stdout]     |                                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.00s
[INFO] running `Command { std: "docker" "inspect" "c3eb64ad9df7de909636d37f2e7f5f01747c85a5ed427b28a55df0a7db2e6bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3eb64ad9df7de909636d37f2e7f5f01747c85a5ed427b28a55df0a7db2e6bca", kill_on_drop: false }`
[INFO] [stdout] c3eb64ad9df7de909636d37f2e7f5f01747c85a5ed427b28a55df0a7db2e6bca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "--no-run" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] a28203c35ae0ee5a7b9dbe1940da9368c681008763235df2a5c3b0e749699243
[INFO] running `Command { std: "docker" "start" "-a" "a28203c35ae0ee5a7b9dbe1940da9368c681008763235df2a5c3b0e749699243", kill_on_drop: false }`
[INFO] [stderr]    Compiling firespine v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `get_subcontext_before` is never used
[INFO] [stdout]    --> src/ctx.rs:288:19
[INFO] [stdout]     |
[INFO] [stdout] 252 | impl Backbone {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 288 |     pub(crate) fn get_subcontext_before(&mut self, at: usize) -> Option<OuterNodeContext> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ctx.rs:122:34
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn get_subcontext_before(&mut self, at: usize) -> Option<OuterNodeContext> {
[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] 122 |     pub fn get_subcontext_before(&mut self, at: usize) -> Option<OuterNodeContext<'_>> {
[INFO] [stdout]     |                                                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ctx.rs:138:33
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn get_subcontext_after(&mut self, at: usize) -> Option<OuterNodeContext> {
[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] 138 |     pub fn get_subcontext_after(&mut self, at: usize) -> Option<OuterNodeContext<'_>> {
[INFO] [stdout]     |                                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ctx.rs:254:29
[INFO] [stdout]     |
[INFO] [stdout] 254 |     pub fn get_root_context(&mut self) -> Option<OuterNodeContext> {
[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] 254 |     pub fn get_root_context(&mut self) -> Option<OuterNodeContext<'_>> {
[INFO] [stdout]     |                                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ctx.rs:271:24
[INFO] [stdout]     |
[INFO] [stdout] 271 |     pub fn get_context(&mut self) -> Option<OuterNodeContext> {
[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] 271 |     pub fn get_context(&mut self) -> Option<OuterNodeContext<'_>> {
[INFO] [stdout]     |                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ctx.rs:288:41
[INFO] [stdout]     |
[INFO] [stdout] 288 |     pub(crate) fn get_subcontext_before(&mut self, at: usize) -> Option<OuterNodeContext> {
[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] 288 |     pub(crate) fn get_subcontext_before(&mut self, at: usize) -> Option<OuterNodeContext<'_>> {
[INFO] [stdout]     |                                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_subcontext_before` is never used
[INFO] [stdout]    --> src/ctx.rs:288:19
[INFO] [stdout]     |
[INFO] [stdout] 252 | impl Backbone {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 288 |     pub(crate) fn get_subcontext_before(&mut self, at: usize) -> Option<OuterNodeContext> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ctx.rs:122:34
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn get_subcontext_before(&mut self, at: usize) -> Option<OuterNodeContext> {
[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] 122 |     pub fn get_subcontext_before(&mut self, at: usize) -> Option<OuterNodeContext<'_>> {
[INFO] [stdout]     |                                                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ctx.rs:138:33
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn get_subcontext_after(&mut self, at: usize) -> Option<OuterNodeContext> {
[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] 138 |     pub fn get_subcontext_after(&mut self, at: usize) -> Option<OuterNodeContext<'_>> {
[INFO] [stdout]     |                                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ctx.rs:254:29
[INFO] [stdout]     |
[INFO] [stdout] 254 |     pub fn get_root_context(&mut self) -> Option<OuterNodeContext> {
[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] 254 |     pub fn get_root_context(&mut self) -> Option<OuterNodeContext<'_>> {
[INFO] [stdout]     |                                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ctx.rs:271:24
[INFO] [stdout]     |
[INFO] [stdout] 271 |     pub fn get_context(&mut self) -> Option<OuterNodeContext> {
[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] 271 |     pub fn get_context(&mut self) -> Option<OuterNodeContext<'_>> {
[INFO] [stdout]     |                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ctx.rs:288:41
[INFO] [stdout]     |
[INFO] [stdout] 288 |     pub(crate) fn get_subcontext_before(&mut self, at: usize) -> Option<OuterNodeContext> {
[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] 288 |     pub(crate) fn get_subcontext_before(&mut self, at: usize) -> Option<OuterNodeContext<'_>> {
[INFO] [stdout]     |                                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "a28203c35ae0ee5a7b9dbe1940da9368c681008763235df2a5c3b0e749699243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a28203c35ae0ee5a7b9dbe1940da9368c681008763235df2a5c3b0e749699243", kill_on_drop: false }`
[INFO] [stdout] a28203c35ae0ee5a7b9dbe1940da9368c681008763235df2a5c3b0e749699243
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] c0fc19f811a66f5e3c92a0e163b70f5762b434755820f801ea5e4666815e0797
[INFO] running `Command { std: "docker" "start" "-a" "c0fc19f811a66f5e3c92a0e163b70f5762b434755820f801ea5e4666815e0797", kill_on_drop: false }`
[INFO] [stderr] warning: method `get_subcontext_before` is never used
[INFO] [stderr]    --> src/ctx.rs:288:19
[INFO] [stderr]     |
[INFO] [stderr] 252 | impl Backbone {
[INFO] [stderr]     | ------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 288 |     pub(crate) fn get_subcontext_before(&mut self, at: usize) -> Option<OuterNodeContext> {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/ctx.rs:122:34
[INFO] [stderr]     |
[INFO] [stderr] 122 |     pub fn get_subcontext_before(&mut self, at: usize) -> Option<OuterNodeContext> {
[INFO] [stderr]     |                                  ^^^^^^^^^                       ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                                  |
[INFO] [stderr]     |                                  the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 122 |     pub fn get_subcontext_before(&mut self, at: usize) -> Option<OuterNodeContext<'_>> {
[INFO] [stderr]     |                                                                                  ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/ctx.rs:138:33
[INFO] [stderr]     |
[INFO] [stderr] 138 |     pub fn get_subcontext_after(&mut self, at: usize) -> Option<OuterNodeContext> {
[INFO] [stderr]     |                                 ^^^^^^^^^                       ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                                 |
[INFO] [stderr]     |                                 the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 138 |     pub fn get_subcontext_after(&mut self, at: usize) -> Option<OuterNodeContext<'_>> {
[INFO] [stderr]     |                                                                                 ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/ctx.rs:254:29
[INFO] [stderr]     |
[INFO] [stderr] 254 |     pub fn get_root_context(&mut self) -> Option<OuterNodeContext> {
[INFO] [stderr]     |                             ^^^^^^^^^            ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 254 |     pub fn get_root_context(&mut self) -> Option<OuterNodeContext<'_>> {
[INFO] [stderr]     |                                                                  ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/ctx.rs:271:24
[INFO] [stderr]     |
[INFO] [stderr] 271 |     pub fn get_context(&mut self) -> Option<OuterNodeContext> {
[INFO] [stderr]     |                        ^^^^^^^^^            ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 271 |     pub fn get_context(&mut self) -> Option<OuterNodeContext<'_>> {
[INFO] [stderr]     |                                                             ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/ctx.rs:288:41
[INFO] [stderr]     |
[INFO] [stderr] 288 |     pub(crate) fn get_subcontext_before(&mut self, at: usize) -> Option<OuterNodeContext> {
[INFO] [stderr]     |                                         ^^^^^^^^^                       ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                                         |
[INFO] [stderr]     |                                         the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 288 |     pub(crate) fn get_subcontext_before(&mut self, at: usize) -> Option<OuterNodeContext<'_>> {
[INFO] [stderr]     |                                                                                         ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `firespine` (lib) generated 6 warnings (run `cargo fix --lib -p firespine` to apply 5 suggestions)
[INFO] [stderr] warning: `firespine` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/firespine/2899f9a47930b9df/deps/firespine-2899f9a47930b9df)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test node::cstore::test_cstore ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests firespine
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/node.rs - node::NodeHandler::handle_event (line 24) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 7) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/node.rs - node::NodeHandler::handle_event (line 24) stdout ----
[INFO] [stdout] error: `self` parameter is only allowed in associated functions
[INFO] [stdout]   --> src/node.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     &'e mut self,
[INFO] [stdout]    |     ^^^^^^^^^^^^ not semantically valid as function parameter
[INFO] [stdout]    |
[INFO] [stdout]    = note: associated functions are those in `impl` or `trait` definitions
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `EventWrapper` in this scope
[INFO] [stdout]   --> src/node.rs:27:20
[INFO] [stdout]    |
[INFO] [stdout] 27 |     event: &'e mut EventWrapper,
[INFO] [stdout]    |                    ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 24 + use firespine::event::EventWrapper;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `NodeContext` in this scope
[INFO] [stdout]   --> src/node.rs:28:22
[INFO] [stdout]    |
[INFO] [stdout] 28 |     context: &'e mut NodeContext,
[INFO] [stdout]    |                      ^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 24 + use firespine::ctx::NodeContext;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `MyEvent` in this scope
[INFO] [stdout]   --> src/node.rs:30:50
[INFO] [stdout]    |
[INFO] [stdout] 30 |     if let Some(my_event) = event.downcast_ref::<MyEvent>() {
[INFO] [stdout]    |                                                  ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn handle_event<'e, MyEvent>(
[INFO] [stdout]    |                   +++++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 7) stdout ----
[INFO] [stdout] error[E0425]: cannot find type `EventWrapper` in this scope
[INFO] [stdout]   --> src/lib.rs:19:24
[INFO] [stdout]    |
[INFO] [stdout] 19 |         event: &'e mut EventWrapper,
[INFO] [stdout]    |                        ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout]  9 + use firespine::event::EventWrapper;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `NodeContext` in this scope
[INFO] [stdout]   --> src/lib.rs:20:26
[INFO] [stdout]    |
[INFO] [stdout] 20 |         context: &'e mut NodeContext,
[INFO] [stdout]    |                          ^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout]  9 + use firespine::ctx::NodeContext;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Event` in this scope
[INFO] [stdout]   --> src/lib.rs:30:6
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl Event for MyEvent {}
[INFO] [stdout]    |      ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]    |
[INFO] [stdout]  9 + use firespine::event::Event;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: trait `NodeHandler` is private
[INFO] [stdout]   --> src/lib.rs:9:27
[INFO] [stdout]    |
[INFO] [stdout]  9 | use firespine::{Backbone, NodeHandler};
[INFO] [stdout]    |                           ^^^^^^^^^^^ private trait
[INFO] [stdout]    |
[INFO] [stdout] note: the trait `NodeHandler` is defined here
[INFO] [stdout]   --> src/lib.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub(crate) use node::*;
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] help: import `NodeHandler` directly
[INFO] [stdout]    |
[INFO] [stdout]  9 | use firespine::{Backbone, firespine::node::NodeHandler};
[INFO] [stdout]    |                           +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0425, E0603.
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 7)
[INFO] [stdout]     src/node.rs - node::NodeHandler::handle_event (line 24)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "c0fc19f811a66f5e3c92a0e163b70f5762b434755820f801ea5e4666815e0797", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0fc19f811a66f5e3c92a0e163b70f5762b434755820f801ea5e4666815e0797", kill_on_drop: false }`
[INFO] [stdout] c0fc19f811a66f5e3c92a0e163b70f5762b434755820f801ea5e4666815e0797
