[INFO] fetching crate core-serde-json 0.1.0... [INFO] testing core-serde-json-0.1.0 against 1.90.0 for beta-1.91-3 [INFO] extracting crate core-serde-json 0.1.0 into /workspace/builds/worker-5-tc1/source [INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain [INFO] started tweaking crates.io crate core-serde-json 0.1.0 [INFO] finished tweaking crates.io crate core-serde-json 0.1.0 [INFO] tweaked toml for crates.io crate core-serde-json 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate core-serde-json 0.1.0 on toolchain 1.90.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 17 packages to latest compatible versions [INFO] [stderr] Adding heapless v0.5.6 (available: v0.9.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded as-slice v0.1.5 [INFO] [stderr] Downloaded generic-array v0.13.3 [INFO] [stderr] Downloaded heapless v0.5.6 [INFO] [stderr] Downloaded generic-array v0.12.4 [INFO] [stderr] Downloaded hash32 v0.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9205b7a837ebc46eb66042156c5534ab9d6cd58f5eb2a12067a11c57ff03a1ad [INFO] running `Command { std: "docker" "start" "-a" "9205b7a837ebc46eb66042156c5534ab9d6cd58f5eb2a12067a11c57ff03a1ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9205b7a837ebc46eb66042156c5534ab9d6cd58f5eb2a12067a11c57ff03a1ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9205b7a837ebc46eb66042156c5534ab9d6cd58f5eb2a12067a11c57ff03a1ad", kill_on_drop: false }` [INFO] [stdout] 9205b7a837ebc46eb66042156c5534ab9d6cd58f5eb2a12067a11c57ff03a1ad [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e4d8269e923251f65ddd9a6edde37d4a21d24e6869029502f55716eebce0fd44 [INFO] running `Command { std: "docker" "start" "-a" "e4d8269e923251f65ddd9a6edde37d4a21d24e6869029502f55716eebce0fd44", kill_on_drop: false }` [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling stable_deref_trait v1.2.0 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling heapless v0.5.6 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling generic-array v0.13.3 [INFO] [stderr] Compiling generic-array v0.12.4 [INFO] [stderr] Compiling hash32 v0.1.1 [INFO] [stderr] Compiling as-slice v0.1.5 [INFO] [stderr] Compiling core-serde-json v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/de/mod.rs:83:20 [INFO] [stdout] | [INFO] [stdout] 83 | fn new(slice: &'a [u8]) -> Deserializer<'_> { [INFO] [stdout] | ^^ -- the same lifetime is elided here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:59:9 [INFO] [stdout] | [INFO] [stdout] 59 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` implied by `#[warn(warnings)]` [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 83 - fn new(slice: &'a [u8]) -> Deserializer<'_> { [INFO] [stdout] 83 + fn new(slice: &'a [u8]) -> Deserializer<'a> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[u8; 4]` does not permit being left uninitialized [INFO] [stdout] --> src/ser/mod.rs:103:42 [INFO] [stdout] | [INFO] [stdout] 103 | let mut buf: [u8; $N] = unsafe { mem::MaybeUninit::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] ... [INFO] [stdout] 152 | serialize_signed!(self, 4, v, i8, u8) [INFO] [stdout] | ------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: `#[warn(invalid_value)]` implied by `#[warn(warnings)]` [INFO] [stdout] = note: this warning originates in the macro `serialize_signed` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[u8; 6]` does not permit being left uninitialized [INFO] [stdout] --> src/ser/mod.rs:103:42 [INFO] [stdout] | [INFO] [stdout] 103 | let mut buf: [u8; $N] = unsafe { mem::MaybeUninit::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] ... [INFO] [stdout] 157 | serialize_signed!(self, 6, v, i16, u16) [INFO] [stdout] | --------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: this warning originates in the macro `serialize_signed` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[u8; 11]` does not permit being left uninitialized [INFO] [stdout] --> src/ser/mod.rs:103:42 [INFO] [stdout] | [INFO] [stdout] 103 | let mut buf: [u8; $N] = unsafe { mem::MaybeUninit::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] ... [INFO] [stdout] 162 | serialize_signed!(self, 11, v, i32, u32) [INFO] [stdout] | ---------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: this warning originates in the macro `serialize_signed` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[u8; 20]` does not permit being left uninitialized [INFO] [stdout] --> src/ser/mod.rs:103:42 [INFO] [stdout] | [INFO] [stdout] 103 | let mut buf: [u8; $N] = unsafe { mem::MaybeUninit::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] ... [INFO] [stdout] 167 | serialize_signed!(self, 20, v, i64, u64) [INFO] [stdout] | ---------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: this warning originates in the macro `serialize_signed` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[u8; 3]` does not permit being left uninitialized [INFO] [stdout] --> src/ser/mod.rs:72:42 [INFO] [stdout] | [INFO] [stdout] 72 | let mut buf: [u8; $N] = unsafe { mem::MaybeUninit::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] ... [INFO] [stdout] 172 | serialize_unsigned!(self, 3, v) [INFO] [stdout] | ------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: this warning originates in the macro `serialize_unsigned` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[u8; 5]` does not permit being left uninitialized [INFO] [stdout] --> src/ser/mod.rs:72:42 [INFO] [stdout] | [INFO] [stdout] 72 | let mut buf: [u8; $N] = unsafe { mem::MaybeUninit::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] ... [INFO] [stdout] 177 | serialize_unsigned!(self, 5, v) [INFO] [stdout] | ------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: this warning originates in the macro `serialize_unsigned` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[u8; 10]` does not permit being left uninitialized [INFO] [stdout] --> src/ser/mod.rs:72:42 [INFO] [stdout] | [INFO] [stdout] 72 | let mut buf: [u8; $N] = unsafe { mem::MaybeUninit::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] ... [INFO] [stdout] 182 | serialize_unsigned!(self, 10, v) [INFO] [stdout] | -------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: this warning originates in the macro `serialize_unsigned` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[u8; 20]` does not permit being left uninitialized [INFO] [stdout] --> src/ser/mod.rs:72:42 [INFO] [stdout] | [INFO] [stdout] 72 | let mut buf: [u8; $N] = unsafe { mem::MaybeUninit::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] ... [INFO] [stdout] 187 | serialize_unsigned!(self, 20, v) [INFO] [stdout] | -------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: this warning originates in the macro `serialize_unsigned` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.90s [INFO] running `Command { std: "docker" "inspect" "e4d8269e923251f65ddd9a6edde37d4a21d24e6869029502f55716eebce0fd44", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4d8269e923251f65ddd9a6edde37d4a21d24e6869029502f55716eebce0fd44", kill_on_drop: false }` [INFO] [stdout] e4d8269e923251f65ddd9a6edde37d4a21d24e6869029502f55716eebce0fd44 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8bdcb654534a0daa6f231f5cd93f316e33dd864461cff42a939c709519ef0381 [INFO] running `Command { std: "docker" "start" "-a" "8bdcb654534a0daa6f231f5cd93f316e33dd864461cff42a939c709519ef0381", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling quote v1.0.41 [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/de/mod.rs:83:20 [INFO] [stdout] | [INFO] [stdout] 83 | fn new(slice: &'a [u8]) -> Deserializer<'_> { [INFO] [stdout] | ^^ -- the same lifetime is elided here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:59:9 [INFO] [stdout] | [INFO] [stdout] 59 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` implied by `#[warn(warnings)]` [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 83 - fn new(slice: &'a [u8]) -> Deserializer<'_> { [INFO] [stdout] 83 + fn new(slice: &'a [u8]) -> Deserializer<'a> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[u8; 4]` does not permit being left uninitialized [INFO] [stdout] --> src/ser/mod.rs:103:42 [INFO] [stdout] | [INFO] [stdout] 103 | let mut buf: [u8; $N] = unsafe { mem::MaybeUninit::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] ... [INFO] [stdout] 152 | serialize_signed!(self, 4, v, i8, u8) [INFO] [stdout] | ------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: `#[warn(invalid_value)]` implied by `#[warn(warnings)]` [INFO] [stdout] = note: this warning originates in the macro `serialize_signed` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[u8; 6]` does not permit being left uninitialized [INFO] [stdout] --> src/ser/mod.rs:103:42 [INFO] [stdout] | [INFO] [stdout] 103 | let mut buf: [u8; $N] = unsafe { mem::MaybeUninit::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] ... [INFO] [stdout] 157 | serialize_signed!(self, 6, v, i16, u16) [INFO] [stdout] | --------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: this warning originates in the macro `serialize_signed` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[u8; 11]` does not permit being left uninitialized [INFO] [stdout] --> src/ser/mod.rs:103:42 [INFO] [stdout] | [INFO] [stdout] 103 | let mut buf: [u8; $N] = unsafe { mem::MaybeUninit::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] ... [INFO] [stdout] 162 | serialize_signed!(self, 11, v, i32, u32) [INFO] [stdout] | ---------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: this warning originates in the macro `serialize_signed` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[u8; 20]` does not permit being left uninitialized [INFO] [stdout] --> src/ser/mod.rs:103:42 [INFO] [stdout] | [INFO] [stdout] 103 | let mut buf: [u8; $N] = unsafe { mem::MaybeUninit::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] ... [INFO] [stdout] 167 | serialize_signed!(self, 20, v, i64, u64) [INFO] [stdout] | ---------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: this warning originates in the macro `serialize_signed` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[u8; 3]` does not permit being left uninitialized [INFO] [stdout] --> src/ser/mod.rs:72:42 [INFO] [stdout] | [INFO] [stdout] 72 | let mut buf: [u8; $N] = unsafe { mem::MaybeUninit::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] ... [INFO] [stdout] 172 | serialize_unsigned!(self, 3, v) [INFO] [stdout] | ------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: this warning originates in the macro `serialize_unsigned` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[u8; 5]` does not permit being left uninitialized [INFO] [stdout] --> src/ser/mod.rs:72:42 [INFO] [stdout] | [INFO] [stdout] 72 | let mut buf: [u8; $N] = unsafe { mem::MaybeUninit::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] ... [INFO] [stdout] 177 | serialize_unsigned!(self, 5, v) [INFO] [stdout] | ------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: this warning originates in the macro `serialize_unsigned` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[u8; 10]` does not permit being left uninitialized [INFO] [stdout] --> src/ser/mod.rs:72:42 [INFO] [stdout] | [INFO] [stdout] 72 | let mut buf: [u8; $N] = unsafe { mem::MaybeUninit::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] ... [INFO] [stdout] 182 | serialize_unsigned!(self, 10, v) [INFO] [stdout] | -------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: this warning originates in the macro `serialize_unsigned` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[u8; 20]` does not permit being left uninitialized [INFO] [stdout] --> src/ser/mod.rs:72:42 [INFO] [stdout] | [INFO] [stdout] 72 | let mut buf: [u8; $N] = unsafe { mem::MaybeUninit::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] ... [INFO] [stdout] 187 | serialize_unsigned!(self, 20, v) [INFO] [stdout] | -------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: this warning originates in the macro `serialize_unsigned` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling core-serde-json v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/de/mod.rs:83:20 [INFO] [stdout] | [INFO] [stdout] 83 | fn new(slice: &'a [u8]) -> Deserializer<'_> { [INFO] [stdout] | ^^ -- the same lifetime is elided here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:59:9 [INFO] [stdout] | [INFO] [stdout] 59 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` implied by `#[warn(warnings)]` [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 83 - fn new(slice: &'a [u8]) -> Deserializer<'_> { [INFO] [stdout] 83 + fn new(slice: &'a [u8]) -> Deserializer<'a> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[u8; 4]` does not permit being left uninitialized [INFO] [stdout] --> src/ser/mod.rs:103:42 [INFO] [stdout] | [INFO] [stdout] 103 | let mut buf: [u8; $N] = unsafe { mem::MaybeUninit::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] ... [INFO] [stdout] 152 | serialize_signed!(self, 4, v, i8, u8) [INFO] [stdout] | ------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: `#[warn(invalid_value)]` implied by `#[warn(warnings)]` [INFO] [stdout] = note: this warning originates in the macro `serialize_signed` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[u8; 6]` does not permit being left uninitialized [INFO] [stdout] --> src/ser/mod.rs:103:42 [INFO] [stdout] | [INFO] [stdout] 103 | let mut buf: [u8; $N] = unsafe { mem::MaybeUninit::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] ... [INFO] [stdout] 157 | serialize_signed!(self, 6, v, i16, u16) [INFO] [stdout] | --------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: this warning originates in the macro `serialize_signed` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[u8; 11]` does not permit being left uninitialized [INFO] [stdout] --> src/ser/mod.rs:103:42 [INFO] [stdout] | [INFO] [stdout] 103 | let mut buf: [u8; $N] = unsafe { mem::MaybeUninit::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] ... [INFO] [stdout] 162 | serialize_signed!(self, 11, v, i32, u32) [INFO] [stdout] | ---------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: this warning originates in the macro `serialize_signed` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[u8; 20]` does not permit being left uninitialized [INFO] [stdout] --> src/ser/mod.rs:103:42 [INFO] [stdout] | [INFO] [stdout] 103 | let mut buf: [u8; $N] = unsafe { mem::MaybeUninit::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] ... [INFO] [stdout] 167 | serialize_signed!(self, 20, v, i64, u64) [INFO] [stdout] | ---------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: this warning originates in the macro `serialize_signed` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[u8; 3]` does not permit being left uninitialized [INFO] [stdout] --> src/ser/mod.rs:72:42 [INFO] [stdout] | [INFO] [stdout] 72 | let mut buf: [u8; $N] = unsafe { mem::MaybeUninit::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] ... [INFO] [stdout] 172 | serialize_unsigned!(self, 3, v) [INFO] [stdout] | ------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: this warning originates in the macro `serialize_unsigned` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[u8; 5]` does not permit being left uninitialized [INFO] [stdout] --> src/ser/mod.rs:72:42 [INFO] [stdout] | [INFO] [stdout] 72 | let mut buf: [u8; $N] = unsafe { mem::MaybeUninit::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] ... [INFO] [stdout] 177 | serialize_unsigned!(self, 5, v) [INFO] [stdout] | ------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: this warning originates in the macro `serialize_unsigned` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[u8; 10]` does not permit being left uninitialized [INFO] [stdout] --> src/ser/mod.rs:72:42 [INFO] [stdout] | [INFO] [stdout] 72 | let mut buf: [u8; $N] = unsafe { mem::MaybeUninit::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] ... [INFO] [stdout] 182 | serialize_unsigned!(self, 10, v) [INFO] [stdout] | -------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: this warning originates in the macro `serialize_unsigned` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[u8; 20]` does not permit being left uninitialized [INFO] [stdout] --> src/ser/mod.rs:72:42 [INFO] [stdout] | [INFO] [stdout] 72 | let mut buf: [u8; $N] = unsafe { mem::MaybeUninit::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] ... [INFO] [stdout] 187 | serialize_unsigned!(self, 20, v) [INFO] [stdout] | -------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: this warning originates in the macro `serialize_unsigned` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 7.36s [INFO] running `Command { std: "docker" "inspect" "8bdcb654534a0daa6f231f5cd93f316e33dd864461cff42a939c709519ef0381", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8bdcb654534a0daa6f231f5cd93f316e33dd864461cff42a939c709519ef0381", kill_on_drop: false }` [INFO] [stdout] 8bdcb654534a0daa6f231f5cd93f316e33dd864461cff42a939c709519ef0381 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2959a20418f983b6100a4224390ff92305f5db810b0d5e0f4c43ca4fa9187569 [INFO] running `Command { std: "docker" "start" "-a" "2959a20418f983b6100a4224390ff92305f5db810b0d5e0f4c43ca4fa9187569", kill_on_drop: false }` [INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stderr] --> src/de/mod.rs:83:20 [INFO] [stderr] | [INFO] [stderr] 83 | fn new(slice: &'a [u8]) -> Deserializer<'_> { [INFO] [stderr] | ^^ -- the same lifetime is elided here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is named here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/lib.rs:59:9 [INFO] [stderr] | [INFO] [stderr] 59 | #![deny(warnings)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` implied by `#[warn(warnings)]` [INFO] [stderr] help: consistently use `'a` [INFO] [stderr] | [INFO] [stderr] 83 - fn new(slice: &'a [u8]) -> Deserializer<'_> { [INFO] [stderr] 83 + fn new(slice: &'a [u8]) -> Deserializer<'a> { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: the type `[u8; 4]` does not permit being left uninitialized [INFO] [stderr] --> src/ser/mod.rs:103:42 [INFO] [stderr] | [INFO] [stderr] 103 | let mut buf: [u8; $N] = unsafe { mem::MaybeUninit::uninit().assume_init() }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | this code causes undefined behavior when executed [INFO] [stderr] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stderr] ... [INFO] [stderr] 152 | serialize_signed!(self, 4, v, i8, u8) [INFO] [stderr] | ------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: integers must be initialized [INFO] [stderr] = note: `#[warn(invalid_value)]` implied by `#[warn(warnings)]` [INFO] [stderr] = note: this warning originates in the macro `serialize_signed` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: the type `[u8; 6]` does not permit being left uninitialized [INFO] [stderr] --> src/ser/mod.rs:103:42 [INFO] [stderr] | [INFO] [stderr] 103 | let mut buf: [u8; $N] = unsafe { mem::MaybeUninit::uninit().assume_init() }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | this code causes undefined behavior when executed [INFO] [stderr] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stderr] ... [INFO] [stderr] 157 | serialize_signed!(self, 6, v, i16, u16) [INFO] [stderr] | --------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: integers must be initialized [INFO] [stderr] = note: this warning originates in the macro `serialize_signed` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: the type `[u8; 11]` does not permit being left uninitialized [INFO] [stderr] --> src/ser/mod.rs:103:42 [INFO] [stderr] | [INFO] [stderr] 103 | let mut buf: [u8; $N] = unsafe { mem::MaybeUninit::uninit().assume_init() }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | this code causes undefined behavior when executed [INFO] [stderr] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stderr] ... [INFO] [stderr] 162 | serialize_signed!(self, 11, v, i32, u32) [INFO] [stderr] | ---------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: integers must be initialized [INFO] [stderr] = note: this warning originates in the macro `serialize_signed` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: the type `[u8; 20]` does not permit being left uninitialized [INFO] [stderr] --> src/ser/mod.rs:103:42 [INFO] [stderr] | [INFO] [stderr] 103 | let mut buf: [u8; $N] = unsafe { mem::MaybeUninit::uninit().assume_init() }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | this code causes undefined behavior when executed [INFO] [stderr] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stderr] ... [INFO] [stderr] 167 | serialize_signed!(self, 20, v, i64, u64) [INFO] [stderr] | ---------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: integers must be initialized [INFO] [stderr] = note: this warning originates in the macro `serialize_signed` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: the type `[u8; 3]` does not permit being left uninitialized [INFO] [stderr] --> src/ser/mod.rs:72:42 [INFO] [stderr] | [INFO] [stderr] 72 | let mut buf: [u8; $N] = unsafe { mem::MaybeUninit::uninit().assume_init() }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | this code causes undefined behavior when executed [INFO] [stderr] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stderr] ... [INFO] [stderr] 172 | serialize_unsigned!(self, 3, v) [INFO] [stderr] | ------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: integers must be initialized [INFO] [stderr] = note: this warning originates in the macro `serialize_unsigned` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: the type `[u8; 5]` does not permit being left uninitialized [INFO] [stderr] --> src/ser/mod.rs:72:42 [INFO] [stderr] | [INFO] [stderr] 72 | let mut buf: [u8; $N] = unsafe { mem::MaybeUninit::uninit().assume_init() }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | this code causes undefined behavior when executed [INFO] [stderr] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stderr] ... [INFO] [stderr] 177 | serialize_unsigned!(self, 5, v) [INFO] [stderr] | ------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: integers must be initialized [INFO] [stderr] = note: this warning originates in the macro `serialize_unsigned` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: the type `[u8; 10]` does not permit being left uninitialized [INFO] [stderr] --> src/ser/mod.rs:72:42 [INFO] [stderr] | [INFO] [stderr] 72 | let mut buf: [u8; $N] = unsafe { mem::MaybeUninit::uninit().assume_init() }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | this code causes undefined behavior when executed [INFO] [stderr] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stderr] ... [INFO] [stderr] 182 | serialize_unsigned!(self, 10, v) [INFO] [stderr] | -------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: integers must be initialized [INFO] [stderr] = note: this warning originates in the macro `serialize_unsigned` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: the type `[u8; 20]` does not permit being left uninitialized [INFO] [stderr] --> src/ser/mod.rs:72:42 [INFO] [stderr] | [INFO] [stderr] 72 | let mut buf: [u8; $N] = unsafe { mem::MaybeUninit::uninit().assume_init() }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | this code causes undefined behavior when executed [INFO] [stderr] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stderr] ... [INFO] [stderr] 187 | serialize_unsigned!(self, 20, v) [INFO] [stderr] | -------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: integers must be initialized [INFO] [stderr] = note: this warning originates in the macro `serialize_unsigned` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `core-serde-json` (lib) generated 9 warnings [INFO] [stderr] warning: `core-serde-json` (lib test) generated 9 warnings (9 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/core_serde_json-6e9f8940711499c0) [INFO] [stdout] [INFO] [stdout] running 18 tests [INFO] [stdout] test de::tests::bool ... ok [INFO] [stdout] test de::tests::array ... ok [INFO] [stdout] test de::tests::enum_clike ... ok [INFO] [stdout] test de::tests::struct_bool ... ok [INFO] [stdout] test de::tests::struct_i8 ... ok [INFO] [stdout] test de::tests::struct_option ... ok [INFO] [stdout] test de::tests::wot ... ignored [INFO] [stdout] test de::tests::struct_u8 ... ok [INFO] [stdout] test ser::tests::array ... ok [INFO] [stdout] test ser::tests::enum_ ... ok [INFO] [stdout] test ser::tests::bool ... ok [INFO] [stdout] test ser::tests::struct_ ... ok [INFO] [stdout] test ser::tests::struct_bool ... ok [INFO] [stdout] test ser::tests::struct_i8 ... ok [INFO] [stdout] test ser::tests::struct_option ... ok [INFO] [stdout] test ser::tests::struct_u8 ... ok [INFO] [stdout] test ser::tests::str ... ok [INFO] [stderr] Doc-tests core_serde_json [INFO] [stdout] test de::tests::str ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 17 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.08s [INFO] [stdout] [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" "2959a20418f983b6100a4224390ff92305f5db810b0d5e0f4c43ca4fa9187569", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2959a20418f983b6100a4224390ff92305f5db810b0d5e0f4c43ca4fa9187569", kill_on_drop: false }` [INFO] [stdout] 2959a20418f983b6100a4224390ff92305f5db810b0d5e0f4c43ca4fa9187569