[INFO] fetching crate cmsis-cffi 0.5.0...
[INFO] checking cmsis-cffi-0.5.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate cmsis-cffi 0.5.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate cmsis-cffi 0.5.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cmsis-cffi 0.5.0
[INFO] finished tweaking crates.io crate cmsis-cffi 0.5.0
[INFO] tweaked toml for crates.io crate cmsis-cffi 0.5.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 750732dcdba2e5dc2440cfaad82b61dceedf0953a0e85431646e26155b727b56
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "750732dcdba2e5dc2440cfaad82b61dceedf0953a0e85431646e26155b727b56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "750732dcdba2e5dc2440cfaad82b61dceedf0953a0e85431646e26155b727b56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "750732dcdba2e5dc2440cfaad82b61dceedf0953a0e85431646e26155b727b56", kill_on_drop: false }`
[INFO] [stdout] 750732dcdba2e5dc2440cfaad82b61dceedf0953a0e85431646e26155b727b56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1c45baa219b61c9ba53591af509722396fd1ea6ebc5ba30ddabcde87d20eb1e2
[INFO] running `Command { std: "docker" "start" "-a" "1c45baa219b61c9ba53591af509722396fd1ea6ebc5ba30ddabcde87d20eb1e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]     Checking once_cell v1.8.0
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[INFO] [stderr]     Checking ppv-lite86 v0.2.15
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[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
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[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking data-encoding v2.3.2
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[INFO] [stderr]     Checking httpdate v1.0.2
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[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking tracing-core v0.1.21
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[INFO] [stderr]    Compiling syn v1.0.82
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[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling tokio-macros v1.6.0
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[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking futures-util v0.3.18
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[INFO] [stderr]     Checking cmsis-pack v0.5.0
[INFO] [stderr]     Checking cmsis-cffi v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/pack_index.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 145 |             mem::replace(boxed.borrow_mut(), next_state);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/pack_index.rs:191:13
[INFO] [stdout]     |
[INFO] [stdout] 191 |             mem::replace(boxed.borrow_mut(), next_state);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/pack_index.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 145 |             mem::replace(boxed.borrow_mut(), next_state);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/pack_index.rs:191:13
[INFO] [stdout]     |
[INFO] [stdout] 191 |             mem::replace(boxed.borrow_mut(), next_state);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 41s
[INFO] running `Command { std: "docker" "inspect" "1c45baa219b61c9ba53591af509722396fd1ea6ebc5ba30ddabcde87d20eb1e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c45baa219b61c9ba53591af509722396fd1ea6ebc5ba30ddabcde87d20eb1e2", kill_on_drop: false }`
[INFO] [stdout] 1c45baa219b61c9ba53591af509722396fd1ea6ebc5ba30ddabcde87d20eb1e2