[INFO] fetching crate sandpit 0.3.0...
[INFO] testing sandpit-0.3.0 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759-retry
[INFO] extracting crate sandpit 0.3.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate sandpit 0.3.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate sandpit 0.3.0
[INFO] tweaked toml for crates.io crate sandpit 0.3.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sandpit 0.3.0 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sandpit 0.3.0 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ac70064fda17ac43025f972e073f7664460e7eb92ef8e2f608eafa9301b38f7
[INFO] running `Command { std: "docker" "start" "-a" "1ac70064fda17ac43025f972e073f7664460e7eb92ef8e2f608eafa9301b38f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ac70064fda17ac43025f972e073f7664460e7eb92ef8e2f608eafa9301b38f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ac70064fda17ac43025f972e073f7664460e7eb92ef8e2f608eafa9301b38f7", kill_on_drop: false }`
[INFO] [stdout] 1ac70064fda17ac43025f972e073f7664460e7eb92ef8e2f608eafa9301b38f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11f9e59cafd9bc5a46d0e963de31c8bbfb6e36fbbff7dd0f5abb0fc367262221
[INFO] running `Command { std: "docker" "start" "-a" "11f9e59cafd9bc5a46d0e963de31c8bbfb6e36fbbff7dd0f5abb0fc367262221", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling never-say-never v6.6.666
[INFO] [stderr]    Compiling nimix v0.1.0
[INFO] [stderr]    Compiling higher-kinded-types v0.1.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.13
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]    Compiling sandpit_derive v0.3.0
[INFO] [stderr]    Compiling sandpit v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/barrier.rs:146:17
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn into(&self) -> Option<WriteBarrier<T>> {
[INFO] [stdout]     |                 ^^^^^            --------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn into(&self) -> Option<WriteBarrier<'_, T>> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/collector.rs:211:20
[INFO] [stdout]     |
[INFO] [stdout] 211 |     fn new_mutator(&self) -> Mutator {
[INFO] [stdout]     |                    ^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 211 |     fn new_mutator(&self) -> Mutator<'_> {
[INFO] [stdout]     |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/trace/tracer_controller.rs:80:23
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn yield_lock(&self) -> RwLockReadGuard<()> {
[INFO] [stdout]    |                       ^^^^^     ------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn yield_lock(&self) -> RwLockReadGuard<'_, ()> {
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/trace/tracer_controller.rs:84:32
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn get_time_slice_lock(&self) -> MutexGuard<()> {
[INFO] [stdout]    |                                ^^^^^     -------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn get_time_slice_lock(&self) -> MutexGuard<'_, ()> {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.40s
[INFO] running `Command { std: "docker" "inspect" "11f9e59cafd9bc5a46d0e963de31c8bbfb6e36fbbff7dd0f5abb0fc367262221", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11f9e59cafd9bc5a46d0e963de31c8bbfb6e36fbbff7dd0f5abb0fc367262221", kill_on_drop: false }`
[INFO] [stdout] 11f9e59cafd9bc5a46d0e963de31c8bbfb6e36fbbff7dd0f5abb0fc367262221
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34d2b35056b6d52c9aef5142decc221f076095bbc91c2f38de6620b6fceedfb3
[INFO] running `Command { std: "docker" "start" "-a" "34d2b35056b6d52c9aef5142decc221f076095bbc91c2f38de6620b6fceedfb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling either v1.12.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]    Compiling clap_lex v0.7.0
[INFO] [stderr]    Compiling anstyle v1.0.7
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling plotters-backend v0.3.6
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling plotters-svg v0.3.6
[INFO] [stderr]    Compiling clap_builder v4.5.2
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling plotters v0.3.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-channel v0.5.13
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling is-terminal v0.4.12
[INFO] [stderr]    Compiling sandpit v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/barrier.rs:146:17
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn into(&self) -> Option<WriteBarrier<T>> {
[INFO] [stdout]     |                 ^^^^^            --------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn into(&self) -> Option<WriteBarrier<'_, T>> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/collector.rs:211:20
[INFO] [stdout]     |
[INFO] [stdout] 211 |     fn new_mutator(&self) -> Mutator {
[INFO] [stdout]     |                    ^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 211 |     fn new_mutator(&self) -> Mutator<'_> {
[INFO] [stdout]     |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/trace/tracer_controller.rs:80:23
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn yield_lock(&self) -> RwLockReadGuard<()> {
[INFO] [stdout]    |                       ^^^^^     ------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn yield_lock(&self) -> RwLockReadGuard<'_, ()> {
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/trace/tracer_controller.rs:84:32
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn get_time_slice_lock(&self) -> MutexGuard<()> {
[INFO] [stdout]    |                                ^^^^^     -------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn get_time_slice_lock(&self) -> MutexGuard<'_, ()> {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling clap v4.5.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stdout] warning: unused variable: `mu`
[INFO] [stdout]   --> examples/linked_list.rs:92:38
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn pop_back(this: Gc<'gc, Self>, mu: &'gc Mutator<'gc>) -> Option<Gc<'gc, T>> {
[INFO] [stdout]    |                                      ^^ help: if this is intentional, prefix it with an underscore: `_mu`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mu`
[INFO] [stdout]    --> examples/linked_list.rs:109:25
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn pop_front(&self, mu: &'gc Mutator<'gc>) -> Option<T> {
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_mu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mu`
[INFO] [stdout]    --> examples/linked_list.rs:113:22
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn delete(&self, mu: &'gc Mutator<'gc>, index: usize) -> &T {
[INFO] [stdout]     |                      ^^ help: if this is intentional, prefix it with an underscore: `_mu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> examples/linked_list.rs:113:45
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn delete(&self, mu: &'gc Mutator<'gc>, index: usize) -> &T {
[INFO] [stdout]     |                                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mutator`
[INFO] [stdout]    --> examples/linked_list.rs:253:19
[INFO] [stdout]     |
[INFO] [stdout] 253 |     arena.mutate(|mutator, arena| {
[INFO] [stdout]     |                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mutator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arena`
[INFO] [stdout]    --> examples/linked_list.rs:253:28
[INFO] [stdout]     |
[INFO] [stdout] 253 |     arena.mutate(|mutator, arena| {
[INFO] [stdout]     |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_arena`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LinkedListIter` is never constructed
[INFO] [stdout]   --> examples/linked_list.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct LinkedListIter<'gc, T: Trace> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> examples/linked_list.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl<'gc, T: Trace> LinkedListIter<'gc, T> {
[INFO] [stdout]    | ------------------------------------------ associated function in this implementation
[INFO] [stdout] 31 |     fn new(list: &LinkedList<'gc, T>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> examples/linked_list.rs:56:8
[INFO] [stdout]     |
[INFO] [stdout] 45  | impl<'gc, T: Trace> LinkedList<'gc, T> {
[INFO] [stdout]     | -------------------------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 56  |     fn iter(&self) -> LinkedListIter<'gc, T> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60  |     fn push_back(this: Gc<'gc, Self>, mu: &'gc Mutator<'gc>, val: T) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76  |     fn push_front(this: Gc<'gc, Self>, mu: &'gc Mutator<'gc>, val: T) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 92  |     fn pop_back(this: Gc<'gc, Self>, mu: &'gc Mutator<'gc>) -> Option<Gc<'gc, T>> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |     fn pop_front(&self, mu: &'gc Mutator<'gc>) -> Option<T> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     fn delete(&self, mu: &'gc Mutator<'gc>, index: usize) -> &T {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 |     fn swap(this: Gc<'gc, Self>, mu: &'gc Mutator<'gc>, index: usize, val: T) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 161 |     fn at(&self, index: usize) -> Option<&T> {
[INFO] [stdout]     |        ^^
[INFO] [stdout] ...
[INFO] [stdout] 172 |     fn len(&self) -> usize {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 176 |     fn node_at(&self, index: usize) -> Option<Gc<'gc, Node<'gc, T>>> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 188 |     fn init_push(this: Gc<'gc, Self>, mu: &'gc Mutator<'gc>, gc_node: GcOpt<'gc, Node<'gc, T>>) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 194 |     fn set_start(this: Gc<'gc, Self>, mu: &'gc Mutator<'gc>, new: GcOpt<'gc, Node<'gc, T>>) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 200 |     fn set_end(this: Gc<'gc, Self>, mu: &'gc Mutator<'gc>, new: GcOpt<'gc, Node<'gc, T>>) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `set_prev`, `set_next`, `get_val`, `get_next`, and `get_prev` are never used
[INFO] [stdout]    --> examples/linked_list.rs:215:8
[INFO] [stdout]     |
[INFO] [stdout] 214 | impl<'gc, T: Trace> Node<'gc, T> {
[INFO] [stdout]     | -------------------------------- associated items in this implementation
[INFO] [stdout] 215 |     fn new(mu: &'gc Mutator<'gc>, val: T) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 223 |     fn set_prev(this: Gc<'gc, Self>, mu: &'gc Mutator<'gc>, new: GcOpt<'gc, Self>) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 229 |     fn set_next(this: Gc<'gc, Self>, mu: &'gc Mutator<'gc>, new: GcOpt<'gc, Self>) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 235 |     fn get_val(&'gc self) -> &T {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 239 |     fn get_next(&'gc self) -> Option<GcMut<'gc, Node<'gc, T>>> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 243 |     fn get_prev(&'gc self) -> Option<GcMut<'gc, Node<'gc, T>>> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> examples/linked_list.rs:235:17
[INFO] [stdout]     |
[INFO] [stdout] 235 |     fn get_val(&'gc self) -> &T {
[INFO] [stdout]     |                 ^^^          -- the lifetime gets resolved as `'gc`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'gc`
[INFO] [stdout]     |
[INFO] [stdout] 235 |     fn get_val(&'gc self) -> &'gc T {
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/barrier.rs:146:17
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn into(&self) -> Option<WriteBarrier<T>> {
[INFO] [stdout]     |                 ^^^^^            --------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn into(&self) -> Option<WriteBarrier<'_, T>> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/collector.rs:211:20
[INFO] [stdout]     |
[INFO] [stdout] 211 |     fn new_mutator(&self) -> Mutator {
[INFO] [stdout]     |                    ^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 211 |     fn new_mutator(&self) -> Mutator<'_> {
[INFO] [stdout]     |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/trace/tracer_controller.rs:80:23
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn yield_lock(&self) -> RwLockReadGuard<()> {
[INFO] [stdout]    |                       ^^^^^     ------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn yield_lock(&self) -> RwLockReadGuard<'_, ()> {
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/trace/tracer_controller.rs:84:32
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn get_time_slice_lock(&self) -> MutexGuard<()> {
[INFO] [stdout]    |                                ^^^^^     -------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn get_time_slice_lock(&self) -> MutexGuard<'_, ()> {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "34d2b35056b6d52c9aef5142decc221f076095bbc91c2f38de6620b6fceedfb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34d2b35056b6d52c9aef5142decc221f076095bbc91c2f38de6620b6fceedfb3", kill_on_drop: false }`
[INFO] [stdout] 34d2b35056b6d52c9aef5142decc221f076095bbc91c2f38de6620b6fceedfb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d5c681491d6ea39e0de4dec41cbfc8d252f78d629eac71f3d69e60a9c47a69de
[INFO] running `Command { std: "docker" "start" "-a" "d5c681491d6ea39e0de4dec41cbfc8d252f78d629eac71f3d69e60a9c47a69de", kill_on_drop: false }`
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/barrier.rs:146:17
[INFO] [stderr]     |
[INFO] [stderr] 146 |     pub fn into(&self) -> Option<WriteBarrier<T>> {
[INFO] [stderr]     |                 ^^^^^            --------------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 146 |     pub fn into(&self) -> Option<WriteBarrier<'_, T>> {
[INFO] [stderr]     |                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/collector.rs:211:20
[INFO] [stderr]     |
[INFO] [stderr] 211 |     fn new_mutator(&self) -> Mutator {
[INFO] [stderr]     |                    ^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                    |
[INFO] [stderr]     |                    this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 211 |     fn new_mutator(&self) -> Mutator<'_> {
[INFO] [stderr]     |                                     ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/trace/tracer_controller.rs:80:23
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn yield_lock(&self) -> RwLockReadGuard<()> {
[INFO] [stderr]    |                       ^^^^^     ------------------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                       |
[INFO] [stderr]    |                       this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn yield_lock(&self) -> RwLockReadGuard<'_, ()> {
[INFO] [stderr]    |                                                 +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/trace/tracer_controller.rs:84:32
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub fn get_time_slice_lock(&self) -> MutexGuard<()> {
[INFO] [stderr]    |                                ^^^^^     -------------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                                |
[INFO] [stderr]    |                                this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub fn get_time_slice_lock(&self) -> MutexGuard<'_, ()> {
[INFO] [stderr]    |                                                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: `sandpit` (lib) generated 4 warnings
[INFO] [stderr] warning: unused variable: `mu`
[INFO] [stderr]   --> examples/linked_list.rs:92:38
[INFO] [stderr]    |
[INFO] [stderr] 92 |     fn pop_back(this: Gc<'gc, Self>, mu: &'gc Mutator<'gc>) -> Option<Gc<'gc, T>> {
[INFO] [stderr]    |                                      ^^ help: if this is intentional, prefix it with an underscore: `_mu`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mu`
[INFO] [stderr]    --> examples/linked_list.rs:109:25
[INFO] [stderr]     |
[INFO] [stderr] 109 |     fn pop_front(&self, mu: &'gc Mutator<'gc>) -> Option<T> {
[INFO] [stderr]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_mu`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mu`
[INFO] [stderr]    --> examples/linked_list.rs:113:22
[INFO] [stderr]     |
[INFO] [stderr] 113 |     fn delete(&self, mu: &'gc Mutator<'gc>, index: usize) -> &T {
[INFO] [stderr]     |                      ^^ help: if this is intentional, prefix it with an underscore: `_mu`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]    --> examples/linked_list.rs:113:45
[INFO] [stderr]     |
[INFO] [stderr] 113 |     fn delete(&self, mu: &'gc Mutator<'gc>, index: usize) -> &T {
[INFO] [stderr]     |                                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mutator`
[INFO] [stderr]    --> examples/linked_list.rs:253:19
[INFO] [stderr]     |
[INFO] [stderr] 253 |     arena.mutate(|mutator, arena| {
[INFO] [stderr]     |                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mutator`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arena`
[INFO] [stderr]    --> examples/linked_list.rs:253:28
[INFO] [stderr]     |
[INFO] [stderr] 253 |     arena.mutate(|mutator, arena| {
[INFO] [stderr]     |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_arena`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `LinkedListIter` is never constructed
[INFO] [stderr]   --> examples/linked_list.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct LinkedListIter<'gc, T: Trace> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> examples/linked_list.rs:31:8
[INFO] [stderr]    |
[INFO] [stderr] 30 | impl<'gc, T: Trace> LinkedListIter<'gc, T> {
[INFO] [stderr]    | ------------------------------------------ associated function in this implementation
[INFO] [stderr] 31 |     fn new(list: &LinkedList<'gc, T>) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]    --> examples/linked_list.rs:56:8
[INFO] [stderr]     |
[INFO] [stderr] 45  | impl<'gc, T: Trace> LinkedList<'gc, T> {
[INFO] [stderr]     | -------------------------------------- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 56  |     fn iter(&self) -> LinkedListIter<'gc, T> {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 60  |     fn push_back(this: Gc<'gc, Self>, mu: &'gc Mutator<'gc>, val: T) {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 76  |     fn push_front(this: Gc<'gc, Self>, mu: &'gc Mutator<'gc>, val: T) {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 92  |     fn pop_back(this: Gc<'gc, Self>, mu: &'gc Mutator<'gc>) -> Option<Gc<'gc, T>> {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 109 |     fn pop_front(&self, mu: &'gc Mutator<'gc>) -> Option<T> {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 113 |     fn delete(&self, mu: &'gc Mutator<'gc>, index: usize) -> &T {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 117 |     fn swap(this: Gc<'gc, Self>, mu: &'gc Mutator<'gc>, index: usize, val: T) {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 161 |     fn at(&self, index: usize) -> Option<&T> {
[INFO] [stderr]     |        ^^
[INFO] [stderr] ...
[INFO] [stderr] 172 |     fn len(&self) -> usize {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 176 |     fn node_at(&self, index: usize) -> Option<Gc<'gc, Node<'gc, T>>> {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 188 |     fn init_push(this: Gc<'gc, Self>, mu: &'gc Mutator<'gc>, gc_node: GcOpt<'gc, Node<'gc, T>>) {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 194 |     fn set_start(this: Gc<'gc, Self>, mu: &'gc Mutator<'gc>, new: GcOpt<'gc, Node<'gc, T>>) {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 200 |     fn set_end(this: Gc<'gc, Self>, mu: &'gc Mutator<'gc>, new: GcOpt<'gc, Node<'gc, T>>) {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `set_prev`, `set_next`, `get_val`, `get_next`, and `get_prev` are never used
[INFO] [stderr]    --> examples/linked_list.rs:215:8
[INFO] [stderr]     |
[INFO] [stderr] 214 | impl<'gc, T: Trace> Node<'gc, T> {
[INFO] [stderr]     | -------------------------------- associated items in this implementation
[INFO] [stderr] 215 |     fn new(mu: &'gc Mutator<'gc>, val: T) -> Self {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 223 |     fn set_prev(this: Gc<'gc, Self>, mu: &'gc Mutator<'gc>, new: GcOpt<'gc, Self>) {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 229 |     fn set_next(this: Gc<'gc, Self>, mu: &'gc Mutator<'gc>, new: GcOpt<'gc, Self>) {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 235 |     fn get_val(&'gc self) -> &T {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 239 |     fn get_next(&'gc self) -> Option<GcMut<'gc, Node<'gc, T>>> {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 243 |     fn get_prev(&'gc self) -> Option<GcMut<'gc, Node<'gc, T>>> {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> examples/linked_list.rs:235:17
[INFO] [stderr]     |
[INFO] [stderr] 235 |     fn get_val(&'gc self) -> &T {
[INFO] [stderr]     |                 ^^^          -- the lifetime gets resolved as `'gc`
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to consistently use `'gc`
[INFO] [stderr]     |
[INFO] [stderr] 235 |     fn get_val(&'gc self) -> &'gc T {
[INFO] [stderr]     |                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: `sandpit` (example "linked_list") generated 11 warnings
[INFO] [stderr] warning: `sandpit` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sandpit-6469fdb1cee9d835)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test gc::tests::gc_from_gcmut ... ok
[INFO] [stdout] test gc::tests::valid_sized_header ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-fbac985959067edc)
[INFO] [stdout] 
[INFO] [stdout] running 35 tests
[INFO] [stdout] test alloc_array_from_fn ... ok
[INFO] [stdout] test derive_empty_enums ... ok
[INFO] [stdout] test barrier_as_option ... ok
[INFO] [stdout] test empty_gc_metrics ... ok
[INFO] [stdout] test alloc_array ... ok
[INFO] [stdout] test alloc_array_of_gc ... ok
[INFO] [stdout] test alloc_sized_array ... ok
[INFO] [stdout] test multi_threaded_allocating ... ok
[INFO] [stdout] test alloc_tuple ... ok
[INFO] [stdout] test new_arena ... ok
[INFO] [stdout] test alloc_array_from_slice ... ok
[INFO] [stdout] test alloc_result ... ok
[INFO] [stdout] test gc_clone ... ok
[INFO] [stdout] test change_array_size ... ok
[INFO] [stdout] test alloc_option ... ok
[INFO] [stdout] test gc_opt_from_mut ... ok
[INFO] [stdout] test gc_scoped_deref ... ok
[INFO] [stdout] test cyclic_graph ... ok
[INFO] [stdout] test alloc_array_of_gc_mut ... ok
[INFO] [stdout] test objects_counted_should_be_one ... ok
[INFO] [stdout] test derive_trace_unit_struct ... ok
[INFO] [stdout] test nested_root ... ok
[INFO] [stdout] test trace_complex_enum ... ok
[INFO] [stdout] test trace_tuple_struct ... ok
[INFO] [stdout] test traceleaf_tuple_struct ... ok
[INFO] [stdout] test arena_allocating_and_collecting ... ok
[INFO] [stdout] test resets_old_object_count ... ok
[INFO] [stdout] test old_objects_count_stays_constant ... ok
[INFO] [stdout] test trace_gc_null_mut ... ok
[INFO] [stdout] test yield_is_not_requested ... ok
[INFO] [stdout] test write_barrier ... ok
[INFO] [stdout] test alloc_after_collect_test ... ok
[INFO] [stdout] test two_dimensional_array ... ok
[INFO] [stdout] test counts_collections ... ok
[INFO] [stdout] test arena_size_does_not_explode ... ok
[INFO] [stderr]    Doc-tests sandpit
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 35 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.66s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 32 tests
[INFO] [stdout] test src/arena.rs - arena::Arena<R>::mutate (line 131) - compile fail ... ok
[INFO] [stdout] test src/gc.rs - gc::Gc<'gc,T>::scoped_deref (line 127) ... ok
[INFO] [stdout] test src/gc.rs - gc::Gc<'gc,T>::new (line 103) ... ok
[INFO] [stdout] test src/gc.rs - gc::Gc<'gc,T>::write_barrier (line 192) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<R>::new (line 58) ... ok
[INFO] [stdout] test src/barrier.rs - barrier::WriteBarrier<'gc,[T]>::at (line 120) ... ok
[INFO] [stdout] test src/barrier.rs - barrier::WriteBarrier<'gc,GcMut<'gc,T>>::set (line 59) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<R>::mutate (line 109) ... ok
[INFO] [stdout] test src/gc.rs - gc::GcOpt<'gc,T>::is_none (line 436) ... ok
[INFO] [stdout] test src/gc.rs - gc::GcMut<'gc,T>::new (line 240) ... ok
[INFO] [stdout] test src/barrier.rs - barrier::field (line 158) ... ok
[INFO] [stdout] test src/barrier.rs - barrier::WriteBarrier<'gc,GcOpt<'gc,T>>::set (line 89) ... ok
[INFO] [stdout] test src/barrier.rs - barrier::WriteBarrier<'gc,T>::inner (line 29) ... ok
[INFO] [stdout] test src/lib.rs - (line 33) ... ok
[INFO] [stdout] test src/gc.rs - gc::GcOpt<'gc,T>::as_option (line 488) ... ok
[INFO] [stdout] test src/gc.rs - gc::GcOpt<'gc,T>::new_none (line 419) ... ok
[INFO] [stdout] test src/lib.rs - (line 104) ... ok
[INFO] [stdout] test src/trace/trace.rs - trace::trace::Trace (line 75) ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] test src/gc.rs - gc::GcMut<'gc,T>::write_barrier (line 346) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena (line 17) ... ok
[INFO] [stdout] test src/gc.rs - gc::GcMut<'gc,T>::scoped_deref (line 300) ... ok
[INFO] [stdout] test src/lib.rs - (line 70) ... ok
[INFO] [stdout] test src/trace/trace.rs - trace::trace::TraceLeaf (line 24) ... ok
[INFO] [stdout] test src/gc.rs - gc::GcOpt<'gc,T>::is_some (line 451) ... ok
[INFO] [stdout] test src/mutator.rs - mutator::Mutator<'gc>::gc_yield (line 213) ... ok
[INFO] [stdout] test src/gc.rs - gc::GcOpt<'gc,T>::set_null (line 469) ... ok
[INFO] [stdout] test src/mutator.rs - mutator::Mutator<'gc>::alloc_array_from_fn (line 172) ... ok
[INFO] [stdout] test src/mutator.rs - mutator::Mutator<'gc>::alloc (line 96) ... ok
[INFO] [stdout] test src/mutator.rs - mutator::Mutator (line 16) ... ok
[INFO] [stdout] test src/mutator.rs - mutator::Mutator<'gc>::alloc_array_from_slice (line 150) ... ok
[INFO] [stdout] test src/mutator.rs - mutator::Mutator<'gc>::alloc_array (line 128) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d5c681491d6ea39e0de4dec41cbfc8d252f78d629eac71f3d69e60a9c47a69de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5c681491d6ea39e0de4dec41cbfc8d252f78d629eac71f3d69e60a9c47a69de", kill_on_drop: false }`
[INFO] [stdout] d5c681491d6ea39e0de4dec41cbfc8d252f78d629eac71f3d69e60a9c47a69de
