[INFO] fetching crate sandpit 0.3.0...
[INFO] checking sandpit-0.3.0 against try#31561a63598a0f21fc74c024747ef1310fdd2eb2 for pr-133536
[INFO] extracting crate sandpit 0.3.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate sandpit 0.3.0 on toolchain 31561a63598a0f21fc74c024747ef1310fdd2eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-5-tc2/source/Cargo.toml
[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" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c1ea06062a728e37a084b98c98f0a4d64d4abd9e68444726d90e4560f5b2e7e
[INFO] running `Command { std: "docker" "start" "-a" "5c1ea06062a728e37a084b98c98f0a4d64d4abd9e68444726d90e4560f5b2e7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c1ea06062a728e37a084b98c98f0a4d64d4abd9e68444726d90e4560f5b2e7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c1ea06062a728e37a084b98c98f0a4d64d4abd9e68444726d90e4560f5b2e7e", kill_on_drop: false }`
[INFO] [stdout] 5c1ea06062a728e37a084b98c98f0a4d64d4abd9e68444726d90e4560f5b2e7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa09281c023d69ebf0a3908d97b3eff5a6df74cb451e27662f59a6d519d0bfe2
[INFO] running `Command { std: "docker" "start" "-a" "fa09281c023d69ebf0a3908d97b3eff5a6df74cb451e27662f59a6d519d0bfe2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[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 autocfg v1.3.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking either v1.12.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking plotters-backend v0.3.6
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking anstyle v1.0.7
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking never-say-never v6.6.666
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking once_cell v1.19.0
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[INFO] [stderr]     Checking plotters-svg v0.3.6
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[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]     Checking getrandom v0.2.15
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[INFO] [stderr]     Checking rand_core v0.6.4
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[INFO] [stderr]     Checking plotters v0.3.6
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling sandpit_derive v0.3.0
[INFO] [stderr]     Checking sandpit v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
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[INFO] [stdout] error: couldn't read benches/../tests/linked_list.rs: No such file or directory (os error 2)
[INFO] [stdout]  --> benches/linked_list_bench.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | mod linked_list;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sandpit` (bench "linked_list_bench") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> examples/linked_list.rs:235:30
[INFO] [stdout]     |
[INFO] [stdout] 214 | impl<'gc, T: Trace> Node<'gc, T> {
[INFO] [stdout]     |      --- lifetime `'gc` declared here
[INFO] [stdout] ...
[INFO] [stdout] 235 |     fn get_val(&'gc self) -> &T {
[INFO] [stdout]     |                              ^ this elided lifetime gets resolved as `'gc`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "fa09281c023d69ebf0a3908d97b3eff5a6df74cb451e27662f59a6d519d0bfe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa09281c023d69ebf0a3908d97b3eff5a6df74cb451e27662f59a6d519d0bfe2", kill_on_drop: false }`
[INFO] [stdout] fa09281c023d69ebf0a3908d97b3eff5a6df74cb451e27662f59a6d519d0bfe2
