[INFO] cloning repository https://github.com/mjhatamy/hybrid_stream-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mjhatamy/hybrid_stream-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmjhatamy%2Fhybrid_stream-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmjhatamy%2Fhybrid_stream-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed61dd8c0560bfdf3fd185981c68b9204cca7d65
[INFO] testing mjhatamy/hybrid_stream-rs against try#16fbf98f22730e073c09e7b03f0eafb87a295545 for pr-145628
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmjhatamy%2Fhybrid_stream-rs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mjhatamy/hybrid_stream-rs
[INFO] finished tweaking git repo https://github.com/mjhatamy/hybrid_stream-rs
[INFO] tweaked toml for git repo https://github.com/mjhatamy/hybrid_stream-rs written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mjhatamy/hybrid_stream-rs on toolchain 16fbf98f22730e073c09e7b03f0eafb87a295545
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mjhatamy/hybrid_stream-rs 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" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eae1c05446cf0ef91ecb099bc3b922ae10eb7d7107c0dadd37fc1e1117251443
[INFO] running `Command { std: "docker" "start" "-a" "eae1c05446cf0ef91ecb099bc3b922ae10eb7d7107c0dadd37fc1e1117251443", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eae1c05446cf0ef91ecb099bc3b922ae10eb7d7107c0dadd37fc1e1117251443", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eae1c05446cf0ef91ecb099bc3b922ae10eb7d7107c0dadd37fc1e1117251443", kill_on_drop: false }`
[INFO] [stdout] eae1c05446cf0ef91ecb099bc3b922ae10eb7d7107c0dadd37fc1e1117251443
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17224fc424b34985ae15fb073424df0331187a84bcb09f76763e62d8b818dabf
[INFO] running `Command { std: "docker" "start" "-a" "17224fc424b34985ae15fb073424df0331187a84bcb09f76763e62d8b818dabf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.1
[INFO] [stderr]    Compiling cc v1.2.21
[INFO] [stderr]    Compiling icu_properties_data v1.5.1
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.1
[INFO] [stderr]    Compiling openssl v0.10.72
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling hashbrown v0.15.3
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling socket2 v0.5.9
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling sysinfo v0.35.0
[INFO] [stderr]    Compiling openssl-sys v0.9.108
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling uuid v1.16.0
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.7.5
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tokio v1.44.2
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling yoke v0.7.5
[INFO] [stderr]    Compiling zerovec v0.10.4
[INFO] [stderr]    Compiling tinystr v0.7.6
[INFO] [stderr]    Compiling icu_collections v1.5.0
[INFO] [stderr]    Compiling icu_locid v1.5.0
[INFO] [stderr]    Compiling icu_provider v1.5.0
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling icu_locid_transform v1.5.0
[INFO] [stderr]    Compiling icu_properties v1.5.1
[INFO] [stderr]    Compiling tokio-util v0.7.15
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling icu_normalizer v1.5.0
[INFO] [stderr]    Compiling h2 v0.3.26
[INFO] [stderr]    Compiling idna_adapter v1.2.0
[INFO] [stderr]    Compiling idna v1.0.3
[INFO] [stderr]    Compiling url v2.5.4
[INFO] [stderr]    Compiling hyper v0.14.32
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.27
[INFO] [stderr]    Compiling hybrid_stream v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `hybrid_stream::*`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use hybrid_stream::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `HybridStreamError` is never used
[INFO] [stdout]   --> src/hybrid_stream.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub enum HybridStreamError {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `StorageBackend` is never used
[INFO] [stdout]   --> src/hybrid_stream.rs:38:6
[INFO] [stdout]    |
[INFO] [stdout] 38 | enum StorageBackend {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `store_bytes`, `read_bytes`, and `cleanup` are never used
[INFO] [stdout]   --> src/hybrid_stream.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl StorageBackend {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] 51 |     fn store_bytes(&mut self, bytes: &[u8]) -> Result<(), HybridStreamError> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     fn read_bytes(&mut self, max_bytes: usize) -> Result<Option<Bytes>, HybridStreamError> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |     fn cleanup(&self) -> io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HybridStreamState` is never constructed
[INFO] [stdout]    --> src/hybrid_stream.rs:108:8
[INFO] [stdout]     |
[INFO] [stdout] 108 | struct HybridStreamState {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HybridStream` is never constructed
[INFO] [stdout]    --> src/hybrid_stream.rs:138:12
[INFO] [stdout]     |
[INFO] [stdout] 138 | pub struct HybridStream {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `should_use_file_storage` are never used
[INFO] [stdout]    --> src/hybrid_stream.rs:144:12
[INFO] [stdout]     |
[INFO] [stdout] 142 | impl HybridStream {
[INFO] [stdout]     | ----------------- associated functions in this implementation
[INFO] [stdout] 143 |     // Create a new HybridStream with the given source stream and memory threshold
[INFO] [stdout] 144 |     pub fn new<S, E, F>(
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 258 |     fn should_use_file_storage(threshold: f32) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.40s
[INFO] running `Command { std: "docker" "inspect" "17224fc424b34985ae15fb073424df0331187a84bcb09f76763e62d8b818dabf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17224fc424b34985ae15fb073424df0331187a84bcb09f76763e62d8b818dabf", kill_on_drop: false }`
[INFO] [stdout] 17224fc424b34985ae15fb073424df0331187a84bcb09f76763e62d8b818dabf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb3e69146398d0db5402239ef8b40df78018e727f40d61b1a7c5f36f52022c11
[INFO] running `Command { std: "docker" "start" "-a" "eb3e69146398d0db5402239ef8b40df78018e727f40d61b1a7c5f36f52022c11", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `hybrid_stream::*`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use hybrid_stream::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `HybridStreamError` is never used
[INFO] [stdout]   --> src/hybrid_stream.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub enum HybridStreamError {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `StorageBackend` is never used
[INFO] [stdout]   --> src/hybrid_stream.rs:38:6
[INFO] [stdout]    |
[INFO] [stdout] 38 | enum StorageBackend {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `store_bytes`, `read_bytes`, and `cleanup` are never used
[INFO] [stdout]   --> src/hybrid_stream.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl StorageBackend {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] 51 |     fn store_bytes(&mut self, bytes: &[u8]) -> Result<(), HybridStreamError> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     fn read_bytes(&mut self, max_bytes: usize) -> Result<Option<Bytes>, HybridStreamError> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |     fn cleanup(&self) -> io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HybridStreamState` is never constructed
[INFO] [stdout]    --> src/hybrid_stream.rs:108:8
[INFO] [stdout]     |
[INFO] [stdout] 108 | struct HybridStreamState {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HybridStream` is never constructed
[INFO] [stdout]    --> src/hybrid_stream.rs:138:12
[INFO] [stdout]     |
[INFO] [stdout] 138 | pub struct HybridStream {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `should_use_file_storage` are never used
[INFO] [stdout]    --> src/hybrid_stream.rs:144:12
[INFO] [stdout]     |
[INFO] [stdout] 142 | impl HybridStream {
[INFO] [stdout]     | ----------------- associated functions in this implementation
[INFO] [stdout] 143 |     // Create a new HybridStream with the given source stream and memory threshold
[INFO] [stdout] 144 |     pub fn new<S, E, F>(
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 258 |     fn should_use_file_storage(threshold: f32) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling hybrid_stream v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `hybrid_stream::*`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use hybrid_stream::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `HybridStreamError` is never used
[INFO] [stdout]   --> src/hybrid_stream.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub enum HybridStreamError {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `StorageBackend` is never used
[INFO] [stdout]   --> src/hybrid_stream.rs:38:6
[INFO] [stdout]    |
[INFO] [stdout] 38 | enum StorageBackend {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `store_bytes`, `read_bytes`, and `cleanup` are never used
[INFO] [stdout]   --> src/hybrid_stream.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl StorageBackend {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] 51 |     fn store_bytes(&mut self, bytes: &[u8]) -> Result<(), HybridStreamError> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     fn read_bytes(&mut self, max_bytes: usize) -> Result<Option<Bytes>, HybridStreamError> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |     fn cleanup(&self) -> io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HybridStreamState` is never constructed
[INFO] [stdout]    --> src/hybrid_stream.rs:108:8
[INFO] [stdout]     |
[INFO] [stdout] 108 | struct HybridStreamState {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HybridStream` is never constructed
[INFO] [stdout]    --> src/hybrid_stream.rs:138:12
[INFO] [stdout]     |
[INFO] [stdout] 138 | pub struct HybridStream {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `should_use_file_storage` are never used
[INFO] [stdout]    --> src/hybrid_stream.rs:144:12
[INFO] [stdout]     |
[INFO] [stdout] 142 | impl HybridStream {
[INFO] [stdout]     | ----------------- associated functions in this implementation
[INFO] [stdout] 143 |     // Create a new HybridStream with the given source stream and memory threshold
[INFO] [stdout] 144 |     pub fn new<S, E, F>(
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 258 |     fn should_use_file_storage(threshold: f32) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "eb3e69146398d0db5402239ef8b40df78018e727f40d61b1a7c5f36f52022c11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb3e69146398d0db5402239ef8b40df78018e727f40d61b1a7c5f36f52022c11", kill_on_drop: false }`
[INFO] [stdout] eb3e69146398d0db5402239ef8b40df78018e727f40d61b1a7c5f36f52022c11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3c8f27f59ba3d054150710374b94ecbfb201e4502953283f6569ecfced77920c
[INFO] running `Command { std: "docker" "start" "-a" "3c8f27f59ba3d054150710374b94ecbfb201e4502953283f6569ecfced77920c", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `hybrid_stream::*`
[INFO] [stderr]  --> src/lib.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use hybrid_stream::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `HybridStreamError` is never used
[INFO] [stderr]   --> src/hybrid_stream.rs:15:10
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub enum HybridStreamError {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `StorageBackend` is never used
[INFO] [stderr]   --> src/hybrid_stream.rs:38:6
[INFO] [stderr]    |
[INFO] [stderr] 38 | enum StorageBackend {
[INFO] [stderr]    |      ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `store_bytes`, `read_bytes`, and `cleanup` are never used
[INFO] [stderr]   --> src/hybrid_stream.rs:51:8
[INFO] [stderr]    |
[INFO] [stderr] 50 | impl StorageBackend {
[INFO] [stderr]    | ------------------- methods in this implementation
[INFO] [stderr] 51 |     fn store_bytes(&mut self, bytes: &[u8]) -> Result<(), HybridStreamError> {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 67 |     fn read_bytes(&mut self, max_bytes: usize) -> Result<Option<Bytes>, HybridStreamError> {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 99 |     fn cleanup(&self) -> io::Result<()> {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `HybridStreamState` is never constructed
[INFO] [stderr]    --> src/hybrid_stream.rs:108:8
[INFO] [stderr]     |
[INFO] [stderr] 108 | struct HybridStreamState {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `HybridStream` is never constructed
[INFO] [stderr]    --> src/hybrid_stream.rs:138:12
[INFO] [stderr]     |
[INFO] [stderr] 138 | pub struct HybridStream {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `new` and `should_use_file_storage` are never used
[INFO] [stderr]    --> src/hybrid_stream.rs:144:12
[INFO] [stderr]     |
[INFO] [stderr] 142 | impl HybridStream {
[INFO] [stderr]     | ----------------- associated functions in this implementation
[INFO] [stderr] 143 |     // Create a new HybridStream with the given source stream and memory threshold
[INFO] [stderr] 144 |     pub fn new<S, E, F>(
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 258 |     fn should_use_file_storage(threshold: f32) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `hybrid_stream` (lib) generated 7 warnings (run `cargo fix --lib -p hybrid_stream` to apply 1 suggestion)
[INFO] [stderr] warning: `hybrid_stream` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/hybrid_stream-208a9aa236bdbc36)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hybrid_stream
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3c8f27f59ba3d054150710374b94ecbfb201e4502953283f6569ecfced77920c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c8f27f59ba3d054150710374b94ecbfb201e4502953283f6569ecfced77920c", kill_on_drop: false }`
[INFO] [stdout] 3c8f27f59ba3d054150710374b94ecbfb201e4502953283f6569ecfced77920c