[INFO] fetching crate aiot 0.10.0...
[INFO] checking aiot-0.10.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate aiot 0.10.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate aiot 0.10.0
[INFO] finished tweaking crates.io crate aiot 0.10.0
[INFO] tweaked toml for crates.io crate aiot 0.10.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate aiot 0.10.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate aiot 0.10.0 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e70586259a5717ce78303f3e5be7f503ad234f4c397d00941b18a7dbc7abc327
[INFO] running `Command { std: "docker" "start" "-a" "e70586259a5717ce78303f3e5be7f503ad234f4c397d00941b18a7dbc7abc327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e70586259a5717ce78303f3e5be7f503ad234f4c397d00941b18a7dbc7abc327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e70586259a5717ce78303f3e5be7f503ad234f4c397d00941b18a7dbc7abc327", kill_on_drop: false }`
[INFO] [stdout] e70586259a5717ce78303f3e5be7f503ad234f4c397d00941b18a7dbc7abc327
[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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84d7edeec5f433d8c70204922c57f8d3390f9c205376697130ea4930656f6637
[INFO] running `Command { std: "docker" "start" "-a" "84d7edeec5f433d8c70204922c57f8d3390f9c205376697130ea4930656f6637", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]    Compiling openssl-sys v0.9.74
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]    Compiling rustls v0.20.6
[INFO] [stderr]    Compiling indexmap v1.9.0
[INFO] [stderr]     Checking hashbrown v0.12.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]     Checking rustls-pemfile v1.0.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking tracing-core v0.1.27
[INFO] [stderr]    Compiling async-trait v0.1.56
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[INFO] [stderr]     Checking event-listener v2.5.2
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[INFO] [stderr]     Checking digest v0.10.3
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[INFO] [stderr]    Compiling serde_derive v1.0.137
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[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking tungstenite v0.17.2
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling serde_with_macros v1.5.2
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
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[INFO] [stderr]     Checking reqwest v0.11.11
[INFO] [stderr]     Checking aiot v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<&[u8], Infallible>
[INFO] [stdout]    --> src/tunnel/protocol.rs:189:22
[INFO] [stdout]     |
[INFO] [stdout] 189 |         let header = bytes[2..(2 + len)].try_into().unwrap();
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/tunnel/session.rs:83:60
[INFO] [stdout]    |
[INFO] [stdout] 83 |               .ok_or(Error::SessionNotFound(id.to_string()))?
[INFO] [stdout]    |  ____________________________________________________________^
[INFO] [stdout] 84 | |             .clone();
[INFO] [stdout]    | |____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Session` does not implement `Clone`, so calling `clone` on `&Session` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 83 -             .ok_or(Error::SessionNotFound(id.to_string()))?
[INFO] [stdout] 84 -             .clone();
[INFO] [stdout] 83 +             .ok_or(Error::SessionNotFound(id.to_string()))?;
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `Session`, implement `Clone` for it
[INFO] [stdout]    |
[INFO] [stdout] 11 + #[derive(Clone)]
[INFO] [stdout] 12 | pub struct Session {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/tunnel/session.rs:96:60
[INFO] [stdout]    |
[INFO] [stdout] 96 |               .ok_or(Error::SessionNotFound(id.to_string()))?
[INFO] [stdout]    |  ____________________________________________________________^
[INFO] [stdout] 97 | |             .clone();
[INFO] [stdout]    | |____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Session` does not implement `Clone`, so calling `clone` on `&Session` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 96 -             .ok_or(Error::SessionNotFound(id.to_string()))?
[INFO] [stdout] 97 -             .clone();
[INFO] [stdout] 96 +             .ok_or(Error::SessionNotFound(id.to_string()))?;
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `Session`, implement `Clone` for it
[INFO] [stdout]    |
[INFO] [stdout] 11 + #[derive(Clone)]
[INFO] [stdout] 12 | pub struct Session {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/util/auth.rs:122:31
[INFO] [stdout]     |
[INFO] [stdout] 122 |     let mut cred = ALI_CA_CERT.clone().as_bytes();
[INFO] [stdout]     |                               ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<&[u8], Infallible>
[INFO] [stdout]    --> src/tunnel/protocol.rs:189:22
[INFO] [stdout]     |
[INFO] [stdout] 189 |         let header = bytes[2..(2 + len)].try_into().unwrap();
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/tunnel/session.rs:83:60
[INFO] [stdout]    |
[INFO] [stdout] 83 |               .ok_or(Error::SessionNotFound(id.to_string()))?
[INFO] [stdout]    |  ____________________________________________________________^
[INFO] [stdout] 84 | |             .clone();
[INFO] [stdout]    | |____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Session` does not implement `Clone`, so calling `clone` on `&Session` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 83 -             .ok_or(Error::SessionNotFound(id.to_string()))?
[INFO] [stdout] 84 -             .clone();
[INFO] [stdout] 83 +             .ok_or(Error::SessionNotFound(id.to_string()))?;
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `Session`, implement `Clone` for it
[INFO] [stdout]    |
[INFO] [stdout] 11 + #[derive(Clone)]
[INFO] [stdout] 12 | pub struct Session {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/tunnel/session.rs:96:60
[INFO] [stdout]    |
[INFO] [stdout] 96 |               .ok_or(Error::SessionNotFound(id.to_string()))?
[INFO] [stdout]    |  ____________________________________________________________^
[INFO] [stdout] 97 | |             .clone();
[INFO] [stdout]    | |____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Session` does not implement `Clone`, so calling `clone` on `&Session` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 96 -             .ok_or(Error::SessionNotFound(id.to_string()))?
[INFO] [stdout] 97 -             .clone();
[INFO] [stdout] 96 +             .ok_or(Error::SessionNotFound(id.to_string()))?;
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `Session`, implement `Clone` for it
[INFO] [stdout]    |
[INFO] [stdout] 11 + #[derive(Clone)]
[INFO] [stdout] 12 | pub struct Session {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/util/auth.rs:122:31
[INFO] [stdout]     |
[INFO] [stdout] 122 |     let mut cred = ALI_CA_CERT.clone().as_bytes();
[INFO] [stdout]     |                               ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aiot` (lib) due to 1 previous error; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `aiot` (lib test) due to 1 previous error; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "84d7edeec5f433d8c70204922c57f8d3390f9c205376697130ea4930656f6637", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84d7edeec5f433d8c70204922c57f8d3390f9c205376697130ea4930656f6637", kill_on_drop: false }`
[INFO] [stdout] 84d7edeec5f433d8c70204922c57f8d3390f9c205376697130ea4930656f6637
