[INFO] fetching crate my-iot 0.97.0...
[INFO] testing my-iot-0.97.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate my-iot 0.97.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate my-iot 0.97.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate my-iot 0.97.0
[INFO] finished tweaking crates.io crate my-iot 0.97.0
[INFO] tweaked toml for crates.io crate my-iot 0.97.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate my-iot 0.97.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bcf7ff6e69634c29308c2cf5fbcead639828f1fa1e4573c1f06c045cad7a190e
[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" "bcf7ff6e69634c29308c2cf5fbcead639828f1fa1e4573c1f06c045cad7a190e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcf7ff6e69634c29308c2cf5fbcead639828f1fa1e4573c1f06c045cad7a190e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcf7ff6e69634c29308c2cf5fbcead639828f1fa1e4573c1f06c045cad7a190e", kill_on_drop: false }`
[INFO] [stdout] bcf7ff6e69634c29308c2cf5fbcead639828f1fa1e4573c1f06c045cad7a190e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b536e06afc099839b132c556f008bbdaf507a3bc566a5c529040e0e943fd9dc
[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" "6b536e06afc099839b132c556f008bbdaf507a3bc566a5c529040e0e943fd9dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling futures-io v0.3.8
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling vec-arena v1.0.0
[INFO] [stderr]    Compiling smallvec v1.6.0
[INFO] [stderr]    Compiling anyhow v1.0.37
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]    Compiling curl v0.4.34
[INFO] [stderr]    Compiling http-types v2.9.0
[INFO] [stderr]    Compiling data-encoding v2.3.1
[INFO] [stderr]    Compiling askama_escape v0.10.1
[INFO] [stderr]    Compiling whoami v1.0.3
[INFO] [stderr]    Compiling seahash v4.0.1
[INFO] [stderr]    Compiling openssl-src v111.13.0+1.1.1i
[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.5+1.42.0
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]    Compiling im v15.0.0
[INFO] [stderr]    Compiling time v0.2.23
[INFO] [stderr]    Compiling ahash v0.6.2
[INFO] [stderr]    Compiling cookie v0.14.3
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling curl-sys v0.4.39+curl-7.74.0
[INFO] [stderr]    Compiling libsqlite3-sys v0.20.1
[INFO] [stderr]    Compiling pear_codegen v0.1.4
[INFO] [stderr]    Compiling rocket_codegen v0.4.6
[INFO] [stderr]    Compiling rocket v0.4.6
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling sluice v0.5.3
[INFO] [stderr]    Compiling async-channel v1.5.1
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling spinning_top v0.2.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling nb-connect v1.0.2
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.2
[INFO] [stderr]    Compiling inotify-sys v0.1.4
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling uname v0.1.1
[INFO] [stderr]    Compiling futures-lite v1.11.3
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling generic-array v0.13.2
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling stringprep v0.1.2
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling dns-parser v0.8.0
[INFO] [stderr]    Compiling bitvec v0.19.4
[INFO] [stderr]    Compiling sentry-contexts v0.21.0
[INFO] [stderr]    Compiling cookie v0.11.3
[INFO] [stderr] error: failed to run custom build command for `rocket v0.4.6`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rocket-658cf5defc379aaa/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   [1;31mError:[0m [1mRocket (core) requires a 'dev' or 'nightly' version of rustc.[0m
[INFO] [stderr]   Installed version: [33m1.54.0 (2021-07-26)[0m
[INFO] [stderr]   Minimum required:  [33m1.35.0-nightly (2019-04-05)[0m
[INFO] [stderr]   [34mSee the getting started guide ([0mhttps://rocket.rs/v0.5/guide/getting-started/[34m) for more information.[0m
[INFO] [stderr]   thread 'main' panicked at 'Aborting compilation due to incompatible compiler.', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rocket-0.4.6/build.rs:29:13
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x561a917f7ee0 - std::backtrace_rs::backtrace::libunwind::trace::h34055254b57d8e79
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x561a917f7ee0 - std::backtrace_rs::backtrace::trace_unsynchronized::h8f1e3fbd9afff6ec
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x561a917f7ee0 - std::sys_common::backtrace::_print_fmt::h3a99a796b770c360
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x561a917f7ee0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h32d1f94a80615d18
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x561a91814efc - core::fmt::write::h306731c068f7162c
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/fmt/mod.rs:1110:17
[INFO] [stderr]      5:     0x561a917f5d65 - std::io::Write::write_fmt::hd2fa90334eee2a21
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/io/mod.rs:1588:15
[INFO] [stderr]      6:     0x561a917f9b0b - std::sys_common::backtrace::_print::h5abaa2601a852287
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x561a917f9b0b - std::sys_common::backtrace::print::h8d81445442bb638f
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x561a917f9b0b - std::panicking::default_hook::{{closure}}::hcfe804496a9fa747
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x561a917f95e1 - std::panicking::default_hook::hbea8e3ccf2ba8901
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x561a917fa1d4 - std::panicking::rust_panic_with_hook::h7ee9e1a2d0f8975a
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x561a917c931f - std::panicking::begin_panic::{{closure}}::h0f74e1982445cdbb
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:542:9
[INFO] [stderr]     12:     0x561a917c9d38 - std::sys_common::backtrace::__rust_end_short_backtrace::h5c7515b85ec2e16b
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x561a917c9265 - std::panicking::begin_panic::h5bfb01e27e6289c1
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:541:12
[INFO] [stderr]     14:     0x561a917c88e0 - build_script_build::main::h42325a51131660bb
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rocket-0.4.6/build.rs:29:13
[INFO] [stderr]     15:     0x561a917c9e3b - core::ops::function::FnOnce::call_once::h6063ac0f24e2592d
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     16:     0x561a917c9d7e - std::sys_common::backtrace::__rust_begin_short_backtrace::hf29efbb562b220b9
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     17:     0x561a917c8f41 - std::rt::lang_start::{{closure}}::h94f7dd711c07860b
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:49:18
[INFO] [stderr]     18:     0x561a917fa6d9 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h2aabc384aab89b7b
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     19:     0x561a917fa6d9 - std::panicking::try::do_call::hc5fcacb7a85fc7b1
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stderr]     20:     0x561a917fa6d9 - std::panicking::try::hb5d9603af3abbe3a
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stderr]     21:     0x561a917fa6d9 - std::panic::catch_unwind::h98fe6ac3925e64b4
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stderr]     22:     0x561a917fa6d9 - std::rt::lang_start_internal::h22ac7383c516f93e
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:34:21
[INFO] [stderr]     23:     0x561a917c8f20 - std::rt::lang_start::h6fbc6373929d36fc
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:48:5
[INFO] [stderr]     24:     0x561a917c8eec - main
[INFO] [stderr]     25:     0x7f79fc4a10b3 - __libc_start_main
[INFO] [stderr]     26:     0x561a917c796e - _start
[INFO] [stderr]     27:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/bhcomp.rs:62:24
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let bytes = bits / Limb::BITS;
[INFO] [stdout]    |                        ^^^^^^^^^^ expected `usize`, found `u32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot divide `usize` by `u32`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/bhcomp.rs:62:22
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let bytes = bits / Limb::BITS;
[INFO] [stdout]    |                      ^ no implementation for `usize / u32`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Div<u32>` is not implemented for `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/bigcomp.rs:157:55
[INFO] [stdout]     |
[INFO] [stdout] 157 |     let nlz = den.leading_zeros().wrapping_sub(wlz) & (u32::BITS - 1);
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^ expected `usize`, found `u32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: no implementation for `usize & u32`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/bigcomp.rs:157:53
[INFO] [stdout]     |
[INFO] [stdout] 157 |     let nlz = den.leading_zeros().wrapping_sub(wlz) & (u32::BITS - 1);
[INFO] [stdout]     |                                                     ^ no implementation for `usize & u32`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `BitAnd<u32>` is not implemented for `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/bigcomp.rs:175:40
[INFO] [stdout]     |
[INFO] [stdout] 175 |         let (q, r) = shift.ceil_divmod(Limb::BITS);
[INFO] [stdout]     |                                        ^^^^^^^^^^ expected `usize`, found `u32`
[INFO] [stdout]     |
[INFO] [stdout] help: you can convert a `u32` to a `usize` and panic if the converted value doesn't fit
[INFO] [stdout]     |
[INFO] [stdout] 175 |         let (q, r) = shift.ceil_divmod(Limb::BITS.try_into().unwrap());
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/math.rs:1043:42
[INFO] [stdout]      |
[INFO] [stdout] 1043 |     let mut count = index.saturating_mul(Limb::BITS);
[INFO] [stdout]      |                                          ^^^^^^^^^^ expected `usize`, found `u32`
[INFO] [stdout]      |
[INFO] [stdout] help: you can convert a `u32` to a `usize` and panic if the converted value doesn't fit
[INFO] [stdout]      |
[INFO] [stdout] 1043 |     let mut count = index.saturating_mul(Limb::BITS.try_into().unwrap());
[INFO] [stdout]      |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/math.rs:1058:28
[INFO] [stdout]      |
[INFO] [stdout] 1058 |     Limb::BITS.checked_mul(x.len())
[INFO] [stdout]      |                            ^^^^^^^ expected `u32`, found `usize`
[INFO] [stdout]      |
[INFO] [stdout] help: you can convert a `usize` to a `u32` and panic if the converted value doesn't fit
[INFO] [stdout]      |
[INFO] [stdout] 1058 |     Limb::BITS.checked_mul(x.len().try_into().unwrap())
[INFO] [stdout]      |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/math.rs:1059:22
[INFO] [stdout]      |
[INFO] [stdout] 1059 |         .map(|v| v - nlz)
[INFO] [stdout]      |                      ^^^ expected `u32`, found `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot subtract `usize` from `u32`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/math.rs:1059:20
[INFO] [stdout]      |
[INFO] [stdout] 1059 |         .map(|v| v - nlz)
[INFO] [stdout]      |                    ^ no implementation for `u32 - usize`
[INFO] [stdout]      |
[INFO] [stdout]      = help: the trait `Sub<usize>` is not implemented for `u32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/math.rs:1060:20
[INFO] [stdout]      |
[INFO] [stdout] 1060 |         .unwrap_or(usize::max_value())
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^^^^ expected `u32`, found `usize`
[INFO] [stdout]      |
[INFO] [stdout] help: you can convert a `usize` to a `u32` and panic if the converted value doesn't fit
[INFO] [stdout]      |
[INFO] [stdout] 1060 |         .unwrap_or(usize::max_value().try_into().unwrap())
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/math.rs:1058:5
[INFO] [stdout]      |
[INFO] [stdout] 1054 |   pub fn bit_length(x: &[Limb]) -> usize {
[INFO] [stdout]      |                                    ----- expected `usize` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 1058 | /     Limb::BITS.checked_mul(x.len())
[INFO] [stdout] 1059 | |         .map(|v| v - nlz)
[INFO] [stdout] 1060 | |         .unwrap_or(usize::max_value())
[INFO] [stdout]      | |______________________________________^ expected `usize`, found `u32`
[INFO] [stdout]      |
[INFO] [stdout] help: you can convert a `u32` to a `usize` and panic if the converted value doesn't fit
[INFO] [stdout]      |
[INFO] [stdout] 1058 |     Limb::BITS.checked_mul(x.len())
[INFO] [stdout] 1059 |         .map(|v| v - nlz)
[INFO] [stdout] 1060 |         .unwrap_or(usize::max_value()).try_into().unwrap()
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/math.rs:1085:23
[INFO] [stdout]      |
[INFO] [stdout] 1085 |     debug_assert!(n < bits && n != 0);
[INFO] [stdout]      |                       ^^^^ expected `usize`, found `u32`
[INFO] [stdout]      |
[INFO] [stdout] help: you can convert a `u32` to a `usize` and panic if the converted value doesn't fit
[INFO] [stdout]      |
[INFO] [stdout] 1085 |     debug_assert!(n < bits.try_into().unwrap() && n != 0);
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/math.rs:1092:25
[INFO] [stdout]      |
[INFO] [stdout] 1092 |     let lshift = bits - n;
[INFO] [stdout]      |                         ^ expected `u32`, found `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot subtract `usize` from `u32`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/math.rs:1092:23
[INFO] [stdout]      |
[INFO] [stdout] 1092 |     let lshift = bits - n;
[INFO] [stdout]      |                       ^ no implementation for `u32 - usize`
[INFO] [stdout]      |
[INFO] [stdout]      = help: the trait `Sub<usize>` is not implemented for `u32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/math.rs:1134:19
[INFO] [stdout]      |
[INFO] [stdout] 1134 |     let rem = n % bits;
[INFO] [stdout]      |                   ^^^^ expected `usize`, found `u32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot mod `usize` by `u32`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/math.rs:1134:17
[INFO] [stdout]      |
[INFO] [stdout] 1134 |     let rem = n % bits;
[INFO] [stdout]      |                 ^ no implementation for `usize % u32`
[INFO] [stdout]      |
[INFO] [stdout]      = help: the trait `Rem<u32>` is not implemented for `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/math.rs:1135:19
[INFO] [stdout]      |
[INFO] [stdout] 1135 |     let div = n / bits;
[INFO] [stdout]      |                   ^^^^ expected `usize`, found `u32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot divide `usize` by `u32`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/math.rs:1135:17
[INFO] [stdout]      |
[INFO] [stdout] 1135 |     let div = n / bits;
[INFO] [stdout]      |                 ^ no implementation for `usize / u32`
[INFO] [stdout]      |
[INFO] [stdout]      = help: the trait `Div<u32>` is not implemented for `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/math.rs:1191:23
[INFO] [stdout]      |
[INFO] [stdout] 1191 |     debug_assert!(n < bits);
[INFO] [stdout]      |                       ^^^^ expected `usize`, found `u32`
[INFO] [stdout]      |
[INFO] [stdout] help: you can convert a `u32` to a `usize` and panic if the converted value doesn't fit
[INFO] [stdout]      |
[INFO] [stdout] 1191 |     debug_assert!(n < bits.try_into().unwrap());
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/math.rs:1201:25
[INFO] [stdout]      |
[INFO] [stdout] 1201 |     let rshift = bits - n;
[INFO] [stdout]      |                         ^ expected `u32`, found `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot subtract `usize` from `u32`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/math.rs:1201:23
[INFO] [stdout]      |
[INFO] [stdout] 1201 |     let rshift = bits - n;
[INFO] [stdout]      |                       ^ no implementation for `u32 - usize`
[INFO] [stdout]      |
[INFO] [stdout]      = help: the trait `Sub<usize>` is not implemented for `u32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/math.rs:1253:19
[INFO] [stdout]      |
[INFO] [stdout] 1253 |     let rem = n % bits;
[INFO] [stdout]      |                   ^^^^ expected `usize`, found `u32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot mod `usize` by `u32`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/math.rs:1253:17
[INFO] [stdout]      |
[INFO] [stdout] 1253 |     let rem = n % bits;
[INFO] [stdout]      |                 ^ no implementation for `usize % u32`
[INFO] [stdout]      |
[INFO] [stdout]      = help: the trait `Rem<u32>` is not implemented for `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/math.rs:1254:19
[INFO] [stdout]      |
[INFO] [stdout] 1254 |     let div = n / bits;
[INFO] [stdout]      |                   ^^^^ expected `usize`, found `u32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot divide `usize` by `u32`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/math.rs:1254:17
[INFO] [stdout]      |
[INFO] [stdout] 1254 |     let div = n / bits;
[INFO] [stdout]      |                 ^ no implementation for `usize / u32`
[INFO] [stdout]      |
[INFO] [stdout]      = help: the trait `Div<u32>` is not implemented for `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/math.rs:2065:27
[INFO] [stdout]      |
[INFO] [stdout] 2065 |     let rs = Limb::BITS - s;
[INFO] [stdout]      |                           ^ expected `u32`, found `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot subtract `usize` from `u32`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/math.rs:2065:25
[INFO] [stdout]      |
[INFO] [stdout] 2065 |     let rs = Limb::BITS - s;
[INFO] [stdout]      |                         ^ no implementation for `u32 - usize`
[INFO] [stdout]      |
[INFO] [stdout]      = help: the trait `Sub<usize>` is not implemented for `u32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 27 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6b536e06afc099839b132c556f008bbdaf507a3bc566a5c529040e0e943fd9dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b536e06afc099839b132c556f008bbdaf507a3bc566a5c529040e0e943fd9dc", kill_on_drop: false }`
[INFO] [stdout] 6b536e06afc099839b132c556f008bbdaf507a3bc566a5c529040e0e943fd9dc
