[INFO] fetching crate krata-zone 0.0.21...
[INFO] checking krata-zone-0.0.21 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate krata-zone 0.0.21 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate krata-zone 0.0.21
[INFO] finished tweaking crates.io crate krata-zone 0.0.21
[INFO] tweaked toml for crates.io crate krata-zone 0.0.21 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate krata-zone 0.0.21 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 krata-zone 0.0.21 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e4acc211345a1ba3b25f049b1677bc8becc01b3d788ce20b5b587f427e69946b
[INFO] running `Command { std: "docker" "start" "-a" "e4acc211345a1ba3b25f049b1677bc8becc01b3d788ce20b5b587f427e69946b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4acc211345a1ba3b25f049b1677bc8becc01b3d788ce20b5b587f427e69946b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4acc211345a1ba3b25f049b1677bc8becc01b3d788ce20b5b587f427e69946b", kill_on_drop: false }`
[INFO] [stdout] e4acc211345a1ba3b25f049b1677bc8becc01b3d788ce20b5b587f427e69946b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] aecde8ec57ca90656187a25563fa41c0a29993ed4157a45ff1e5ac58740a0188
[INFO] running `Command { std: "docker" "start" "-a" "aecde8ec57ca90656187a25563fa41c0a29993ed4157a45ff1e5ac58740a0188", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]     Checking bytes v1.7.1
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[INFO] [stderr]     Checking rustls-webpki v0.102.6
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[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling prost-derive v0.13.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling prost-reflect-derive v0.14.0
[INFO] [stderr]    Compiling async-trait v0.1.81
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]    Compiling smart-default v0.7.1
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]     Checking tokio v1.39.3
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking netlink-packet-utils v0.5.2
[INFO] [stderr]     Checking cgroups-rs v0.3.4
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking netlink-packet-core v0.7.0
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking sys-mount v3.0.1
[INFO] [stderr]     Checking netlink-packet-route v0.19.0
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]    Compiling prost v0.13.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling derive_builder_core v0.20.0
[INFO] [stderr]     Checking prost-types v0.13.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling derive_builder_macro v0.20.0
[INFO] [stderr]     Checking derive_builder v0.20.0
[INFO] [stderr]     Checking prost-reflect v0.14.0
[INFO] [stderr]    Compiling prost-build v0.13.1
[INFO] [stderr]     Checking http-body-util v0.1.2
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]    Compiling tonic-build v0.12.2
[INFO] [stderr]     Checking tokio-util v0.7.11
[INFO] [stderr]     Checking tokio-rustls v0.26.0
[INFO] [stderr]     Checking netlink-sys v0.8.6
[INFO] [stderr]     Checking tokio-stream v0.1.15
[INFO] [stderr]     Checking pty-process v0.4.0
[INFO] [stderr]     Checking krata-xenstore v0.0.21
[INFO] [stderr]     Checking netlink-proto v0.11.3
[INFO] [stderr]    Compiling prost-reflect-build v0.14.0
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking h2 v0.4.5
[INFO] [stderr]     Checking rtnetlink v0.14.1
[INFO] [stderr]    Compiling krata v0.0.21
[INFO] [stderr]     Checking ipnetwork v0.20.0
[INFO] [stderr]     Checking oci-spec v0.6.8
[INFO] [stderr]     Checking hyper v1.4.1
[INFO] [stderr]     Checking hyper-util v0.1.7
[INFO] [stderr]     Checking hyper-timeout v0.5.1
[INFO] [stderr]     Checking tonic v0.12.2
[INFO] [stderr]     Checking krata-zone v0.0.21 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, PathBuf>
[INFO] [stdout]    --> src/init.rs:113:23
[INFO] [stdout]     |
[INFO] [stdout] 113 |             let etc = PathBuf::from_str("/etc")?;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/init.rs:113:23
[INFO] [stdout]     |
[INFO] [stdout] 113 |             let etc = PathBuf::from_str("/etc")?;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, PathBuf>
[INFO] [stdout]    --> src/init.rs:374:19
[INFO] [stdout]     |
[INFO] [stdout] 374 |         let etc = PathBuf::from_str("/etc")?;
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/init.rs:374:19
[INFO] [stdout]     |
[INFO] [stdout] 374 |         let etc = PathBuf::from_str("/etc")?;
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, PathBuf>
[INFO] [stdout]    --> src/init.rs:378:22
[INFO] [stdout]     |
[INFO] [stdout] 378 |         let resolv = PathBuf::from_str("/etc/resolv.conf")?;
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/init.rs:378:22
[INFO] [stdout]     |
[INFO] [stdout] 378 |         let resolv = PathBuf::from_str("/etc/resolv.conf")?;
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, PathBuf>
[INFO] [stdout]    --> src/init.rs:391:21
[INFO] [stdout]     |
[INFO] [stdout] 391 |         let hosts = PathBuf::from_str("/etc/hosts")?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/init.rs:391:21
[INFO] [stdout]     |
[INFO] [stdout] 391 |         let hosts = PathBuf::from_str("/etc/hosts")?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `krata-zone` (lib test) due to 8 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, PathBuf>
[INFO] [stdout]    --> src/init.rs:113:23
[INFO] [stdout]     |
[INFO] [stdout] 113 |             let etc = PathBuf::from_str("/etc")?;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/init.rs:113:23
[INFO] [stdout]     |
[INFO] [stdout] 113 |             let etc = PathBuf::from_str("/etc")?;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, PathBuf>
[INFO] [stdout]    --> src/init.rs:374:19
[INFO] [stdout]     |
[INFO] [stdout] 374 |         let etc = PathBuf::from_str("/etc")?;
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/init.rs:374:19
[INFO] [stdout]     |
[INFO] [stdout] 374 |         let etc = PathBuf::from_str("/etc")?;
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, PathBuf>
[INFO] [stdout]    --> src/init.rs:378:22
[INFO] [stdout]     |
[INFO] [stdout] 378 |         let resolv = PathBuf::from_str("/etc/resolv.conf")?;
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/init.rs:378:22
[INFO] [stdout]     |
[INFO] [stdout] 378 |         let resolv = PathBuf::from_str("/etc/resolv.conf")?;
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, PathBuf>
[INFO] [stdout]    --> src/init.rs:391:21
[INFO] [stdout]     |
[INFO] [stdout] 391 |         let hosts = PathBuf::from_str("/etc/hosts")?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/init.rs:391:21
[INFO] [stdout]     |
[INFO] [stdout] 391 |         let hosts = PathBuf::from_str("/etc/hosts")?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `krata-zone` (lib) due to 8 previous errors
[INFO] running `Command { std: "docker" "inspect" "aecde8ec57ca90656187a25563fa41c0a29993ed4157a45ff1e5ac58740a0188", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aecde8ec57ca90656187a25563fa41c0a29993ed4157a45ff1e5ac58740a0188", kill_on_drop: false }`
[INFO] [stdout] aecde8ec57ca90656187a25563fa41c0a29993ed4157a45ff1e5ac58740a0188
