[INFO] fetching crate luwen-if 0.4.4...
[INFO] checking luwen-if-0.4.4 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate luwen-if 0.4.4 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate luwen-if 0.4.4 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate luwen-if 0.4.4
[INFO] finished tweaking crates.io crate luwen-if 0.4.4
[INFO] tweaked toml for crates.io crate luwen-if 0.4.4 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 38 packages to latest compatible versions
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.1.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded luwen-core v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c549b5581f8d21458c48047394c4f978c15c8d9d37926e9305510094a6040ff
[INFO] running `Command { std: "docker" "start" "-a" "0c549b5581f8d21458c48047394c4f978c15c8d9d37926e9305510094a6040ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c549b5581f8d21458c48047394c4f978c15c8d9d37926e9305510094a6040ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c549b5581f8d21458c48047394c4f978c15c8d9d37926e9305510094a6040ff", kill_on_drop: false }`
[INFO] [stdout] 0c549b5581f8d21458c48047394c4f978c15c8d9d37926e9305510094a6040ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e908ceda76663d00a60039832592a645b457057157ee24d65f83d896e370959
[INFO] running `Command { std: "docker" "start" "-a" "0e908ceda76663d00a60039832592a645b457057157ee24d65f83d896e370959", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-embed-utils v8.5.0
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking luwen-core v0.1.0
[INFO] [stderr]    Compiling rust-embed-impl v8.5.0
[INFO] [stderr]     Checking rust-embed v8.5.0
[INFO] [stderr]     Checking luwen-if v0.4.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `DramInitError`
[INFO] [stdout]   --> src/chip/grayskull.rs:16:55
[INFO] [stdout]    |
[INFO] [stdout] 16 |     init::status::{ArcInitError, ComponentStatusInfo, DramInitError, InitOptions, WaitStatus},
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DramInitError`
[INFO] [stdout]   --> src/chip/grayskull.rs:16:55
[INFO] [stdout]    |
[INFO] [stdout] 16 |     init::status::{ArcInitError, ComponentStatusInfo, DramInitError, InitOptions, WaitStatus},
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `backtrace`
[INFO] [stdout]    --> src/chip/grayskull.rs:388:77
[INFO] [stdout]     |
[INFO] [stdout] 388 | ...                   crate::ArcMsgError::ProtocolError { source, backtrace } => match source {
[INFO] [stdout]     |                                                                   ^^^^^^^^^ help: try ignoring the field: `backtrace: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source`
[INFO] [stdout]    --> src/chip/grayskull.rs:403:37
[INFO] [stdout]     |
[INFO] [stdout] 403 | ...                   source => {
[INFO] [stdout]     |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `backtrace`
[INFO] [stdout]    --> src/chip/grayskull.rs:388:77
[INFO] [stdout]     |
[INFO] [stdout] 388 | ...                   crate::ArcMsgError::ProtocolError { source, backtrace } => match source {
[INFO] [stdout]     |                                                                   ^^^^^^^^^ help: try ignoring the field: `backtrace: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source`
[INFO] [stdout]    --> src/chip/grayskull.rs:403:37
[INFO] [stdout]     |
[INFO] [stdout] 403 | ...                   source => {
[INFO] [stdout]     |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/chip/init/mod.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |             InitError::CallbackError(_) => unreachable!(),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ matches no values because `Infallible` is uninhabited
[INFO] [stdout]    |
[INFO] [stdout]    = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/chip/init/mod.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |             InitError::CallbackError(_) => unreachable!(),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ matches no values because `Infallible` is uninhabited
[INFO] [stdout]    |
[INFO] [stdout]    = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/detect_chips.rs:408:13
[INFO] [stdout]     |
[INFO] [stdout] 408 |             InitError::CallbackError(_) => unreachable!(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ matches no values because `Infallible` is uninhabited
[INFO] [stdout]     |
[INFO] [stdout]     = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/detect_chips.rs:408:13
[INFO] [stdout]     |
[INFO] [stdout] 408 |             InitError::CallbackError(_) => unreachable!(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ matches no values because `Infallible` is uninhabited
[INFO] [stdout]     |
[INFO] [stdout]     = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "0e908ceda76663d00a60039832592a645b457057157ee24d65f83d896e370959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e908ceda76663d00a60039832592a645b457057157ee24d65f83d896e370959", kill_on_drop: false }`
[INFO] [stdout] 0e908ceda76663d00a60039832592a645b457057157ee24d65f83d896e370959