[INFO] fetching crate tree-buf 0.10.0...
[INFO] checking tree-buf-0.10.0 against 895980e0290783bb09b1ccf1b11f14eb09b10430 for pr-160186
[INFO] extracting crate tree-buf 0.10.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate tree-buf 0.10.0
[INFO] finished tweaking crates.io crate tree-buf 0.10.0
[INFO] tweaked toml for crates.io crate tree-buf 0.10.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tree-buf 0.10.0 on toolchain 895980e0290783bb09b1ccf1b11f14eb09b10430
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "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" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 97 packages to highest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.8.2)
[INFO] [stderr]       Adding defer v0.1.0 (available: v0.2.1)
[INFO] [stderr]       Adding firestorm v0.3.1 (available: v0.5.1)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.10.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] dbf26d57003c47910dd6283298a742f843fe1e7c90fbb8a1fe3020de3397be80
[INFO] running `Command { std: "docker" "start" "dbf26d57003c47910dd6283298a742f843fe1e7c90fbb8a1fe3020de3397be80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbf26d57003c47910dd6283298a742f843fe1e7c90fbb8a1fe3020de3397be80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "dbf26d57003c47910dd6283298a742f843fe1e7c90fbb8a1fe3020de3397be80" "/opt/rustwide/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbf26d57003c47910dd6283298a742f843fe1e7c90fbb8a1fe3020de3397be80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "dbf26d57003c47910dd6283298a742f843fe1e7c90fbb8a1fe3020de3397be80" "/opt/rustwide/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]     Checking gimli v0.32.3
[INFO] [stderr]     Checking either v1.19.0
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking aho-corasick v1.1.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking rayon v1.12.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking csv-core v0.1.13
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking firestorm v0.3.1
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking regex-automata v0.4.18
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking simple-16 v0.2.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking addr2line v0.25.1
[INFO] [stderr]     Checking zigzag v0.1.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking gibbon v0.1.3
[INFO] [stderr]     Checking regex v1.13.1
[INFO] [stderr]     Checking transmute v0.1.1
[INFO] [stderr]    Compiling tree-buf-macros v0.10.0
[INFO] [stderr]     Checking defer v0.1.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking serde_json v1.0.154
[INFO] [stderr]     Checking csv v1.4.0
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]     Checking coercible_errors v0.1.4
[INFO] [stderr]     Checking tree-buf v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `tests`
[INFO] [stdout]   --> src/internal/encodings/delta.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[cfg(tests)]
[INFO] [stdout]    |       ^^^^^ help: there is a config with a similar name: `test`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tests)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tests)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `array_fixed::*`, `boolean::*`, `float::*`, `integer::*`, and `tuple::*`
[INFO] [stdout]   --> src/internal/types/mod.rs:13:20
[INFO] [stdout]    |
[INFO] [stdout] 13 | ...ay::*, array_fixed::*, boolean::*, bytes::*, float::*, hashmap::*, ignore::*, integer::*, nullable::*, string::*, tuple::*};
[INFO] [stdout]    |           ^^^^^^^^^^^^^^  ^^^^^^^^^^            ^^^^^^^^                         ^^^^^^^^^^                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::f64::MANTISSA_DIGITS`: replaced by the `MANTISSA_DIGITS` associated constant on `f64`
[INFO] [stdout]    --> src/internal/types/float.rs:80:55
[INFO] [stdout]     |
[INFO] [stdout]  21 | macro_rules! impl_float {
[INFO] [stdout] ...
[INFO] [stdout]  80 |                                 if u < (2 << std::$T::MANTISSA_DIGITS) {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 278 |     impl_float!(f64, F64);
[INFO] [stdout]     |     --------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::f64::MANTISSA_DIGITS`: replaced by the `MANTISSA_DIGITS` associated constant on `f64`
[INFO] [stdout]    --> src/internal/types/float.rs:87:55
[INFO] [stdout]     |
[INFO] [stdout]  21 | macro_rules! impl_float {
[INFO] [stdout] ...
[INFO] [stdout]  87 |                                 if s < (2 << std::$T::MANTISSA_DIGITS) && s > (-2 << (std::$T::MANTISSA_DIGITS - 1)) {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 278 |     impl_float!(f64, F64);
[INFO] [stdout]     |     --------------------- in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::f64::MANTISSA_DIGITS`: replaced by the `MANTISSA_DIGITS` associated constant on `f64`
[INFO] [stdout]    --> src/internal/types/float.rs:87:96
[INFO] [stdout]     |
[INFO] [stdout]  21 | macro_rules! impl_float {
[INFO] [stdout] ...
[INFO] [stdout]  87 |                                 if s < (2 << std::$T::MANTISSA_DIGITS) && s > (-2 << (std::$T::MANTISSA_DIGITS - 1)) {
[INFO] [stdout]     |                                                                                                ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 278 |     impl_float!(f64, F64);
[INFO] [stdout]     |     --------------------- in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::f64::NAN`: replaced by the `NAN` associated constant on `f64`
[INFO] [stdout]    --> src/internal/types/float.rs:100:59
[INFO] [stdout]     |
[INFO] [stdout]  21 | macro_rules! impl_float {
[INFO] [stdout] ...
[INFO] [stdout] 100 |                             RootFloat::NaN => Ok(std::$T::NAN),
[INFO] [stdout]     |                                                           ^^^
[INFO] [stdout] ...
[INFO] [stdout] 278 |     impl_float!(f64, F64);
[INFO] [stdout]     |     --------------------- in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::f32::MANTISSA_DIGITS`: replaced by the `MANTISSA_DIGITS` associated constant on `f32`
[INFO] [stdout]    --> src/internal/types/float.rs:80:55
[INFO] [stdout]     |
[INFO] [stdout]  21 | macro_rules! impl_float {
[INFO] [stdout] ...
[INFO] [stdout]  80 |                                 if u < (2 << std::$T::MANTISSA_DIGITS) {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 281 |     impl_float!(f32, F32);
[INFO] [stdout]     |     --------------------- in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::f32::MANTISSA_DIGITS`: replaced by the `MANTISSA_DIGITS` associated constant on `f32`
[INFO] [stdout]    --> src/internal/types/float.rs:87:55
[INFO] [stdout]     |
[INFO] [stdout]  21 | macro_rules! impl_float {
[INFO] [stdout] ...
[INFO] [stdout]  87 |                                 if s < (2 << std::$T::MANTISSA_DIGITS) && s > (-2 << (std::$T::MANTISSA_DIGITS - 1)) {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 281 |     impl_float!(f32, F32);
[INFO] [stdout]     |     --------------------- in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::f32::MANTISSA_DIGITS`: replaced by the `MANTISSA_DIGITS` associated constant on `f32`
[INFO] [stdout]    --> src/internal/types/float.rs:87:96
[INFO] [stdout]     |
[INFO] [stdout]  21 | macro_rules! impl_float {
[INFO] [stdout] ...
[INFO] [stdout]  87 |                                 if s < (2 << std::$T::MANTISSA_DIGITS) && s > (-2 << (std::$T::MANTISSA_DIGITS - 1)) {
[INFO] [stdout]     |                                                                                                ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 281 |     impl_float!(f32, F32);
[INFO] [stdout]     |     --------------------- in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::f32::NAN`: replaced by the `NAN` associated constant on `f32`
[INFO] [stdout]    --> src/internal/types/float.rs:100:59
[INFO] [stdout]     |
[INFO] [stdout]  21 | macro_rules! impl_float {
[INFO] [stdout] ...
[INFO] [stdout] 100 |                             RootFloat::NaN => Ok(std::$T::NAN),
[INFO] [stdout]     |                                                           ^^^
[INFO] [stdout] ...
[INFO] [stdout] 281 |     impl_float!(f32, F32);
[INFO] [stdout]     |     --------------------- in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `macro_use` attribute cannot be used on macro defs
[INFO] [stdout]  --> src/internal/branch/mod.rs:3:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use]
[INFO] [stdout]   |   ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: the `macro_use` attribute can be applied to extern crates and modules
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `tests`
[INFO] [stdout]   --> src/internal/encodings/delta.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[cfg(tests)]
[INFO] [stdout]    |       ^^^^^ help: there is a config with a similar name: `test`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tests)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tests)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `array_fixed::*`, `boolean::*`, `float::*`, `integer::*`, and `tuple::*`
[INFO] [stdout]   --> src/internal/types/mod.rs:13:20
[INFO] [stdout]    |
[INFO] [stdout] 13 | ...ay::*, array_fixed::*, boolean::*, bytes::*, float::*, hashmap::*, ignore::*, integer::*, nullable::*, string::*, tuple::*};
[INFO] [stdout]    |           ^^^^^^^^^^^^^^  ^^^^^^^^^^            ^^^^^^^^                         ^^^^^^^^^^                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::usize::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/internal/encodings/varint.rs:321:37
[INFO] [stdout]     |
[INFO] [stdout] 321 |         while offset != std::usize::MAX {
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u64::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/internal/encodings/varint.rs:334:66
[INFO] [stdout]     |
[INFO] [stdout] 334 |         let vecs = vec![vec![99, 127, 128, 0, 1, 2, 3, std::u64::MAX]];
[INFO] [stdout]     |                                                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u64::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/internal/encodings/varint.rs:358:66
[INFO] [stdout]     |
[INFO] [stdout] 358 |         let vecs = vec![vec![99, 127, 128, 0, 1, 2, 3, std::u64::MAX]];
[INFO] [stdout]     |                                                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::f64::MANTISSA_DIGITS`: replaced by the `MANTISSA_DIGITS` associated constant on `f64`
[INFO] [stdout]    --> src/internal/types/float.rs:80:55
[INFO] [stdout]     |
[INFO] [stdout]  21 | macro_rules! impl_float {
[INFO] [stdout] ...
[INFO] [stdout]  80 |                                 if u < (2 << std::$T::MANTISSA_DIGITS) {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 278 |     impl_float!(f64, F64);
[INFO] [stdout]     |     --------------------- in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::f64::MANTISSA_DIGITS`: replaced by the `MANTISSA_DIGITS` associated constant on `f64`
[INFO] [stdout]    --> src/internal/types/float.rs:87:55
[INFO] [stdout]     |
[INFO] [stdout]  21 | macro_rules! impl_float {
[INFO] [stdout] ...
[INFO] [stdout]  87 |                                 if s < (2 << std::$T::MANTISSA_DIGITS) && s > (-2 << (std::$T::MANTISSA_DIGITS - 1)) {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 278 |     impl_float!(f64, F64);
[INFO] [stdout]     |     --------------------- in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::f64::MANTISSA_DIGITS`: replaced by the `MANTISSA_DIGITS` associated constant on `f64`
[INFO] [stdout]    --> src/internal/types/float.rs:87:96
[INFO] [stdout]     |
[INFO] [stdout]  21 | macro_rules! impl_float {
[INFO] [stdout] ...
[INFO] [stdout]  87 |                                 if s < (2 << std::$T::MANTISSA_DIGITS) && s > (-2 << (std::$T::MANTISSA_DIGITS - 1)) {
[INFO] [stdout]     |                                                                                                ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 278 |     impl_float!(f64, F64);
[INFO] [stdout]     |     --------------------- in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::f64::NAN`: replaced by the `NAN` associated constant on `f64`
[INFO] [stdout]    --> src/internal/types/float.rs:100:59
[INFO] [stdout]     |
[INFO] [stdout]  21 | macro_rules! impl_float {
[INFO] [stdout] ...
[INFO] [stdout] 100 |                             RootFloat::NaN => Ok(std::$T::NAN),
[INFO] [stdout]     |                                                           ^^^
[INFO] [stdout] ...
[INFO] [stdout] 278 |     impl_float!(f64, F64);
[INFO] [stdout]     |     --------------------- in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::f32::MANTISSA_DIGITS`: replaced by the `MANTISSA_DIGITS` associated constant on `f32`
[INFO] [stdout]    --> src/internal/types/float.rs:80:55
[INFO] [stdout]     |
[INFO] [stdout]  21 | macro_rules! impl_float {
[INFO] [stdout] ...
[INFO] [stdout]  80 |                                 if u < (2 << std::$T::MANTISSA_DIGITS) {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 281 |     impl_float!(f32, F32);
[INFO] [stdout]     |     --------------------- in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::f32::MANTISSA_DIGITS`: replaced by the `MANTISSA_DIGITS` associated constant on `f32`
[INFO] [stdout]    --> src/internal/types/float.rs:87:55
[INFO] [stdout]     |
[INFO] [stdout]  21 | macro_rules! impl_float {
[INFO] [stdout] ...
[INFO] [stdout]  87 |                                 if s < (2 << std::$T::MANTISSA_DIGITS) && s > (-2 << (std::$T::MANTISSA_DIGITS - 1)) {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 281 |     impl_float!(f32, F32);
[INFO] [stdout]     |     --------------------- in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::f32::MANTISSA_DIGITS`: replaced by the `MANTISSA_DIGITS` associated constant on `f32`
[INFO] [stdout]    --> src/internal/types/float.rs:87:96
[INFO] [stdout]     |
[INFO] [stdout]  21 | macro_rules! impl_float {
[INFO] [stdout] ...
[INFO] [stdout]  87 |                                 if s < (2 << std::$T::MANTISSA_DIGITS) && s > (-2 << (std::$T::MANTISSA_DIGITS - 1)) {
[INFO] [stdout]     |                                                                                                ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 281 |     impl_float!(f32, F32);
[INFO] [stdout]     |     --------------------- in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::f32::NAN`: replaced by the `NAN` associated constant on `f32`
[INFO] [stdout]    --> src/internal/types/float.rs:100:59
[INFO] [stdout]     |
[INFO] [stdout]  21 | macro_rules! impl_float {
[INFO] [stdout] ...
[INFO] [stdout] 100 |                             RootFloat::NaN => Ok(std::$T::NAN),
[INFO] [stdout]     |                                                           ^^^
[INFO] [stdout] ...
[INFO] [stdout] 281 |     impl_float!(f32, F32);
[INFO] [stdout]     |     --------------------- in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `macro_use` attribute cannot be used on macro defs
[INFO] [stdout]  --> src/internal/branch/mod.rs:3:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use]
[INFO] [stdout]   |   ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: the `macro_use` attribute can be applied to extern crates and modules
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/internal/types/integer.rs:219:16
[INFO] [stdout]     |
[INFO] [stdout]  33 | macro_rules! impl_lowerable {
[INFO] [stdout] ...
[INFO] [stdout] 219 |             if let Ok(lower_max) = lower_max {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 292 | impl_lowerable!(u64, encode_u64, fast_size_for_u64, u32, encode_u32, fast_size_for_u32, (u16), (PrefixVarIntCompressor));
[INFO] [stdout]     | ------------------------------------------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/internal/types/integer.rs:254:16
[INFO] [stdout]     |
[INFO] [stdout]  33 | macro_rules! impl_lowerable {
[INFO] [stdout] ...
[INFO] [stdout] 254 |             if let Ok(lower_max) = lower_max {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 292 | impl_lowerable!(u64, encode_u64, fast_size_for_u64, u32, encode_u32, fast_size_for_u32, (u16), (PrefixVarIntCompressor));
[INFO] [stdout]     | ------------------------------------------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/internal/types/integer.rs:219:16
[INFO] [stdout]     |
[INFO] [stdout]  33 |   macro_rules! impl_lowerable {
[INFO] [stdout] ...
[INFO] [stdout] 219 |               if let Ok(lower_max) = lower_max {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 293 | / impl_lowerable!(
[INFO] [stdout] 294 | |     u32,
[INFO] [stdout] 295 | |     encode_u32,
[INFO] [stdout] 296 | |     fast_size_for_u32,
[INFO] [stdout] ...   |
[INFO] [stdout] 301 | |     (Simple16Compressor<u32>, DeltaZigZagCompressor, PrefixVarIntCompressor)
[INFO] [stdout] 302 | | ); // TODO: Consider adding Fixed.
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/internal/types/integer.rs:254:16
[INFO] [stdout]     |
[INFO] [stdout]  33 |   macro_rules! impl_lowerable {
[INFO] [stdout] ...
[INFO] [stdout] 254 |               if let Ok(lower_max) = lower_max {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 293 | / impl_lowerable!(
[INFO] [stdout] 294 | |     u32,
[INFO] [stdout] 295 | |     encode_u32,
[INFO] [stdout] 296 | |     fast_size_for_u32,
[INFO] [stdout] ...   |
[INFO] [stdout] 301 | |     (Simple16Compressor<u32>, DeltaZigZagCompressor, PrefixVarIntCompressor)
[INFO] [stdout] 302 | | ); // TODO: Consider adding Fixed.
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/internal/types/integer.rs:219:16
[INFO] [stdout]     |
[INFO] [stdout]  33 |   macro_rules! impl_lowerable {
[INFO] [stdout] ...
[INFO] [stdout] 219 |               if let Ok(lower_max) = lower_max {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 303 | / impl_lowerable!(
[INFO] [stdout] 304 | |     u16,
[INFO] [stdout] 305 | |     encode_u16,
[INFO] [stdout] 306 | |     fast_size_for_u16,
[INFO] [stdout] ...   |
[INFO] [stdout] 311 | |     (Simple16Compressor<u16>, PrefixVarIntCompressor)
[INFO] [stdout] 312 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/internal/types/integer.rs:254:16
[INFO] [stdout]     |
[INFO] [stdout]  33 |   macro_rules! impl_lowerable {
[INFO] [stdout] ...
[INFO] [stdout] 254 |               if let Ok(lower_max) = lower_max {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 303 | / impl_lowerable!(
[INFO] [stdout] 304 | |     u16,
[INFO] [stdout] 305 | |     encode_u16,
[INFO] [stdout] 306 | |     fast_size_for_u16,
[INFO] [stdout] ...   |
[INFO] [stdout] 311 | |     (Simple16Compressor<u16>, PrefixVarIntCompressor)
[INFO] [stdout] 312 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tree_buf::prelude::*`
[INFO] [stdout]  --> benches/float_list.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tree_buf::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `y` is never read
[INFO] [stdout]   --> tests/schema_mismatches.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub struct Y {
[INFO] [stdout]    |                - field in this struct
[INFO] [stdout] 29 |         y: u64,
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Y` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/internal/types/integer.rs:219:16
[INFO] [stdout]     |
[INFO] [stdout]  33 | macro_rules! impl_lowerable {
[INFO] [stdout] ...
[INFO] [stdout] 219 |             if let Ok(lower_max) = lower_max {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 292 | impl_lowerable!(u64, encode_u64, fast_size_for_u64, u32, encode_u32, fast_size_for_u32, (u16), (PrefixVarIntCompressor));
[INFO] [stdout]     | ------------------------------------------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/internal/types/integer.rs:254:16
[INFO] [stdout]     |
[INFO] [stdout]  33 | macro_rules! impl_lowerable {
[INFO] [stdout] ...
[INFO] [stdout] 254 |             if let Ok(lower_max) = lower_max {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 292 | impl_lowerable!(u64, encode_u64, fast_size_for_u64, u32, encode_u32, fast_size_for_u32, (u16), (PrefixVarIntCompressor));
[INFO] [stdout]     | ------------------------------------------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/internal/types/integer.rs:219:16
[INFO] [stdout]     |
[INFO] [stdout]  33 |   macro_rules! impl_lowerable {
[INFO] [stdout] ...
[INFO] [stdout] 219 |               if let Ok(lower_max) = lower_max {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 293 | / impl_lowerable!(
[INFO] [stdout] 294 | |     u32,
[INFO] [stdout] 295 | |     encode_u32,
[INFO] [stdout] 296 | |     fast_size_for_u32,
[INFO] [stdout] ...   |
[INFO] [stdout] 301 | |     (Simple16Compressor<u32>, DeltaZigZagCompressor, PrefixVarIntCompressor)
[INFO] [stdout] 302 | | ); // TODO: Consider adding Fixed.
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/internal/types/integer.rs:254:16
[INFO] [stdout]     |
[INFO] [stdout]  33 |   macro_rules! impl_lowerable {
[INFO] [stdout] ...
[INFO] [stdout] 254 |               if let Ok(lower_max) = lower_max {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 293 | / impl_lowerable!(
[INFO] [stdout] 294 | |     u32,
[INFO] [stdout] 295 | |     encode_u32,
[INFO] [stdout] 296 | |     fast_size_for_u32,
[INFO] [stdout] ...   |
[INFO] [stdout] 301 | |     (Simple16Compressor<u32>, DeltaZigZagCompressor, PrefixVarIntCompressor)
[INFO] [stdout] 302 | | ); // TODO: Consider adding Fixed.
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/internal/types/integer.rs:219:16
[INFO] [stdout]     |
[INFO] [stdout]  33 |   macro_rules! impl_lowerable {
[INFO] [stdout] ...
[INFO] [stdout] 219 |               if let Ok(lower_max) = lower_max {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 303 | / impl_lowerable!(
[INFO] [stdout] 304 | |     u16,
[INFO] [stdout] 305 | |     encode_u16,
[INFO] [stdout] 306 | |     fast_size_for_u16,
[INFO] [stdout] ...   |
[INFO] [stdout] 311 | |     (Simple16Compressor<u16>, PrefixVarIntCompressor)
[INFO] [stdout] 312 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/internal/types/integer.rs:254:16
[INFO] [stdout]     |
[INFO] [stdout]  33 |   macro_rules! impl_lowerable {
[INFO] [stdout] ...
[INFO] [stdout] 254 |               if let Ok(lower_max) = lower_max {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 303 | / impl_lowerable!(
[INFO] [stdout] 304 | |     u16,
[INFO] [stdout] 305 | |     encode_u16,
[INFO] [stdout] 306 | |     fast_size_for_u16,
[INFO] [stdout] ...   |
[INFO] [stdout] 311 | |     (Simple16Compressor<u16>, PrefixVarIntCompressor)
[INFO] [stdout] 312 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `defer`
[INFO] [stderr]   --> Cargo.toml:11:15
[INFO] [stderr]    |
[INFO] [stderr] 11 | [dependencies.defer]
[INFO] [stderr]    |               ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `defer`
[INFO] [stderr] warning: `tree-buf` (manifest) generated 1 warning
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.28s
[INFO] running `Command { std: "docker" "inspect" "dbf26d57003c47910dd6283298a742f843fe1e7c90fbb8a1fe3020de3397be80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbf26d57003c47910dd6283298a742f843fe1e7c90fbb8a1fe3020de3397be80", kill_on_drop: false }`
[INFO] [stdout] dbf26d57003c47910dd6283298a742f843fe1e7c90fbb8a1fe3020de3397be80
