[INFO] cloning repository https://github.com/jacobrosenthal/rust-ffi-bench
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jacobrosenthal/rust-ffi-bench" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacobrosenthal%2Frust-ffi-bench", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacobrosenthal%2Frust-ffi-bench'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e85828968a52a6415b19ea2b37f404f2f25ea8f2
[INFO] checking jacobrosenthal/rust-ffi-bench against master#368e2fd458a22d0cc133d0c254f2612ee999744f for pr-128351
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacobrosenthal%2Frust-ffi-bench" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jacobrosenthal/rust-ffi-bench on toolchain 368e2fd458a22d0cc133d0c254f2612ee999744f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+368e2fd458a22d0cc133d0c254f2612ee999744f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jacobrosenthal/rust-ffi-bench
[INFO] finished tweaking git repo https://github.com/jacobrosenthal/rust-ffi-bench
[INFO] tweaked toml for git repo https://github.com/jacobrosenthal/rust-ffi-bench written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jacobrosenthal/rust-ffi-bench already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+368e2fd458a22d0cc133d0c254f2612ee999744f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/lifthrasiir/rust-encoding`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cfg-if v0.1.6
[INFO] [stderr]   Downloaded ucd-util v0.1.2
[INFO] [stderr]   Downloaded memchr v2.1.1
[INFO] [stderr]   Downloaded regex-syntax v0.6.3
[INFO] [stderr]   Downloaded regex v1.0.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+368e2fd458a22d0cc133d0c254f2612ee999744f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f5fb8fb2c3335cc71d4a9ce09154519b30e43553426a9b04326b90a04a2c6c2
[INFO] running `Command { std: "docker" "start" "-a" "2f5fb8fb2c3335cc71d4a9ce09154519b30e43553426a9b04326b90a04a2c6c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f5fb8fb2c3335cc71d4a9ce09154519b30e43553426a9b04326b90a04a2c6c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f5fb8fb2c3335cc71d4a9ce09154519b30e43553426a9b04326b90a04a2c6c2", kill_on_drop: false }`
[INFO] [stdout] 2f5fb8fb2c3335cc71d4a9ce09154519b30e43553426a9b04326b90a04a2c6c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+368e2fd458a22d0cc133d0c254f2612ee999744f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e63f076e55b30403de1140bf3f4177829a2ff0e3f89a7d437056c9c026d7358
[INFO] running `Command { std: "docker" "start" "-a" "5e63f076e55b30403de1140bf3f4177829a2ff0e3f89a7d437056c9c026d7358", kill_on_drop: false }`
[INFO] [stderr]     Checking encoding_index_tests v0.1.5 (https://github.com/lifthrasiir/rust-encoding#eb3d3c30)
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]     Checking encoding-types v0.2.0 (https://github.com/lifthrasiir/rust-encoding#eb3d3c30)
[INFO] [stderr]     Checking ucd-util v0.1.2
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20160120.0 (https://github.com/lifthrasiir/rust-encoding#eb3d3c30)
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.6 (https://github.com/lifthrasiir/rust-encoding#eb3d3c30)
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20160120.0 (https://github.com/lifthrasiir/rust-encoding#eb3d3c30)
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.6 (https://github.com/lifthrasiir/rust-encoding#eb3d3c30)
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.6 (https://github.com/lifthrasiir/rust-encoding#eb3d3c30)
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.3
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]     Checking encoding v0.3.0-dev (https://github.com/lifthrasiir/rust-encoding#eb3d3c30)
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking ffi-bench v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `unsized_locals` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/main.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(unsized_locals)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #48055 <https://github.com/rust-lang/rust/issues/48055> for more information
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/flt.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         ((value as u32) << shift)
[INFO] [stdout]    |         ^                       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 42 -         ((value as u32) << shift)
[INFO] [stdout] 42 +         (value as u32) << shift
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/flt.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/flt.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `uniform_paths` has been stable since 1.32.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(uniform_paths)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(slice_patterns)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `atoi_via_bytes` is never used
[INFO] [stdout]  --> src/flt.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn atoi_via_bytes(chars: [u8; 4]) -> u32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `shifted_atoi_via_fold` is never used
[INFO] [stdout]   --> src/flt.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn shifted_atoi_via_fold(chars: Vec<u8>) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `shifted_atoi_via_map` is never used
[INFO] [stdout]   --> src/flt.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn shifted_atoi_via_map(chars: Vec<u8>) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `shifted_atoi_via_loop` is never used
[INFO] [stdout]   --> src/flt.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn shifted_atoi_via_loop(chars: Vec<u8>) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compose_f32` is never used
[INFO] [stdout]   --> src/flt.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub fn compose_f32(exponent: f32, mantissa: f32) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `clone_into_array` is never used
[INFO] [stdout]   --> src/flt.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn clone_into_array<A, T>(slice: &[T]) -> A
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `getu16_stable` is never used
[INFO] [stdout]   --> src/flt.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn getu16_stable(my_array: [u8; 4]) -> u16 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `getu16` is never used
[INFO] [stdout]   --> src/flt.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub fn getu16(my_array: [u8; 4]) -> u16 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `getu32` is never used
[INFO] [stdout]   --> src/flt.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub fn getu32(my_array: [u8; 4]) -> u32 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `string_from_iso_bytes` is never used
[INFO] [stdout]  --> src/string.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn string_from_iso_bytes(buffer: &[u8]) -> std::string::String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bytes_from_from_iso_string` is never used
[INFO] [stdout]   --> src/string.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn bytes_from_from_iso_string(keyword: &str) -> Vec<u8> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cstring_from_ptr` is never used
[INFO] [stdout]   --> src/string.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn cstring_from_ptr(buffer: &[i8]) -> &str {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cstring_from_bytes` is never used
[INFO] [stdout]   --> src/string.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn cstring_from_bytes(buffer: &[u8]) -> &str {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `string_from_utf8` is never used
[INFO] [stdout]   --> src/string.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn string_from_utf8(buffer: &[u8]) -> &str {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/flt.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         ((value as u32) << shift)
[INFO] [stdout]    |         ^                       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 42 -         ((value as u32) << shift)
[INFO] [stdout] 42 +         (value as u32) << shift
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> examples/generate.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(slice_patterns)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `int_to_from_bytes` has been stable since 1.32.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> examples/generate.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(int_to_from_bytes)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `unsized_locals` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/main.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(unsized_locals)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #48055 <https://github.com/rust-lang/rust/issues/48055> for more information
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/flt.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         ((value as u32) << shift)
[INFO] [stdout]    |         ^                       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 42 -         ((value as u32) << shift)
[INFO] [stdout] 42 +         (value as u32) << shift
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around function argument
[INFO] [stdout]   --> src/string.rs:82:27
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 black_box({ cstring_from_ptr(&tcxc) });
[INFO] [stdout]    |                           ^^                       ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 82 -                 black_box({ cstring_from_ptr(&tcxc) });
[INFO] [stdout] 82 +                 black_box(cstring_from_ptr(&tcxc));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around function argument
[INFO] [stdout]    --> src/string.rs:100:27
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 black_box({ cstring_from_bytes(&tcxc) });
[INFO] [stdout]     |                           ^^                         ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 100 -                 black_box({ cstring_from_bytes(&tcxc) });
[INFO] [stdout] 100 +                 black_box(cstring_from_bytes(&tcxc));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around function argument
[INFO] [stdout]    --> src/string.rs:119:27
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 black_box({ string_from_utf8(&tcxc) });
[INFO] [stdout]     |                           ^^                       ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 119 -                 black_box({ string_from_utf8(&tcxc) });
[INFO] [stdout] 119 +                 black_box(string_from_utf8(&tcxc));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/flt.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_patterns)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/flt.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/flt.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `uniform_paths` has been stable since 1.32.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(uniform_paths)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(slice_patterns)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `atoi_via_bytes` is never used
[INFO] [stdout]  --> src/flt.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn atoi_via_bytes(chars: [u8; 4]) -> u32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `getu32` is never used
[INFO] [stdout]   --> src/flt.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub fn getu32(my_array: [u8; 4]) -> u32 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `Command { std: "docker" "inspect" "5e63f076e55b30403de1140bf3f4177829a2ff0e3f89a7d437056c9c026d7358", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e63f076e55b30403de1140bf3f4177829a2ff0e3f89a7d437056c9c026d7358", kill_on_drop: false }`
[INFO] [stdout] 5e63f076e55b30403de1140bf3f4177829a2ff0e3f89a7d437056c9c026d7358
[INFO] checking jacobrosenthal/rust-ffi-bench against try#09146510cdb33d15474a35fde290187a88b1cf35 for pr-128351
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacobrosenthal%2Frust-ffi-bench" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jacobrosenthal/rust-ffi-bench on toolchain 09146510cdb33d15474a35fde290187a88b1cf35
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09146510cdb33d15474a35fde290187a88b1cf35" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jacobrosenthal/rust-ffi-bench
[INFO] finished tweaking git repo https://github.com/jacobrosenthal/rust-ffi-bench
[INFO] tweaked toml for git repo https://github.com/jacobrosenthal/rust-ffi-bench written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jacobrosenthal/rust-ffi-bench already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09146510cdb33d15474a35fde290187a88b1cf35" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+09146510cdb33d15474a35fde290187a88b1cf35" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4e7153e50e9bf8d389cf8a062a62b7eccd64fcdeb50a9c1e9a7cfad3a30afa2
[INFO] running `Command { std: "docker" "start" "-a" "f4e7153e50e9bf8d389cf8a062a62b7eccd64fcdeb50a9c1e9a7cfad3a30afa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4e7153e50e9bf8d389cf8a062a62b7eccd64fcdeb50a9c1e9a7cfad3a30afa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4e7153e50e9bf8d389cf8a062a62b7eccd64fcdeb50a9c1e9a7cfad3a30afa2", kill_on_drop: false }`
[INFO] [stdout] f4e7153e50e9bf8d389cf8a062a62b7eccd64fcdeb50a9c1e9a7cfad3a30afa2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+09146510cdb33d15474a35fde290187a88b1cf35" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 265228a75ce10ddb049e651fd72ebda0d286da52e64d15459ec2d6075b70201f
[INFO] running `Command { std: "docker" "start" "-a" "265228a75ce10ddb049e651fd72ebda0d286da52e64d15459ec2d6075b70201f", kill_on_drop: false }`
[INFO] [stderr]     Checking encoding_index_tests v0.1.5 (https://github.com/lifthrasiir/rust-encoding#eb3d3c30)
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking encoding-types v0.2.0 (https://github.com/lifthrasiir/rust-encoding#eb3d3c30)
[INFO] [stderr]     Checking ucd-util v0.1.2
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.6 (https://github.com/lifthrasiir/rust-encoding#eb3d3c30)
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.6 (https://github.com/lifthrasiir/rust-encoding#eb3d3c30)
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.6 (https://github.com/lifthrasiir/rust-encoding#eb3d3c30)
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20160120.0 (https://github.com/lifthrasiir/rust-encoding#eb3d3c30)
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20160120.0 (https://github.com/lifthrasiir/rust-encoding#eb3d3c30)
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.3
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]     Checking encoding v0.3.0-dev (https://github.com/lifthrasiir/rust-encoding#eb3d3c30)
[INFO] [stderr]     Checking ffi-bench v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] thread 'rustc' panicked at compiler/rustc_errors/src/lib.rs:588:17:
[INFO] [stderr] must_produce_diag: `trimmed_def_paths` called but no diagnostics emitted; `with_no_trimmed_paths` for debugging. called at:    0: <rustc_errors::DiagCtxtHandle>::set_must_produce_diag
[INFO] [stderr]    1: <rustc_session::session::Session>::record_trimmed_def_paths
[INFO] [stderr]    2: rustc_middle::ty::print::pretty::trimmed_def_paths
[INFO] [stderr]    3: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::trimmed_def_paths::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 8]>>
[INFO] [stderr]    4: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::SingleCache<rustc_middle::query::erase::Erased<[u8; 8]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, false>
[INFO] [stderr]    5: rustc_query_impl::query_impl::trimmed_def_paths::get_query_non_incr::__rust_end_short_backtrace
[INFO] [stderr]    6: <rustc_middle::ty::print::pretty::FmtPrinter as rustc_middle::ty::print::Printer>::print_def_path
[INFO] [stderr]    7: <rustc_middle::ty::print::pretty::FmtPrinter as rustc_middle::ty::print::Printer>::print_def_path
[INFO] [stderr]    8: <rustc_middle::ty::print::pretty::FmtPrinter as rustc_middle::ty::print::pretty::PrettyPrinter>::pretty_print_type
[INFO] [stderr]    9: <rustc_type_ir::ty_kind::FnSig<rustc_middle::ty::context::TyCtxt> as rustc_middle::ty::print::Print<rustc_middle::ty::print::pretty::FmtPrinter>>::print
[INFO] [stderr]   10: <rustc_middle::ty::print::pretty::FmtPrinter>::pretty_in_binder::<rustc_type_ir::ty_kind::FnSig<rustc_middle::ty::context::TyCtxt>>
[INFO] [stderr]   11: <rustc_middle::ty::print::pretty::FmtPrinter as rustc_middle::ty::print::pretty::PrettyPrinter>::pretty_print_type
[INFO] [stderr]   12: <rustc_middle::ty::Ty as core::fmt::Display>::fmt
[INFO] [stderr]   13: rustc_lint::mutable_transmutes::check_overlapping::<rustc_lint::mutable_transmutes::UnsafeCellField, rustc_lint::mutable_transmutes::check_unsafe_cells<<rustc_lint::mutable_transmutes::UnsafeCellReferenceCasting as rustc_lint::passes::LateLintPass>::check_expr::{closure#0}>::{closure#2}>
[INFO] [stderr]   14: <rustc_lint::BuiltinCombinedModuleLateLintPass as rustc_lint::passes::LateLintPass>::check_expr
[INFO] [stderr]   15: <rustc_lint::late::LateContextAndPass<rustc_lint::BuiltinCombinedModuleLateLintPass> as rustc_hir::intravisit::Visitor>::visit_expr
[INFO] [stderr]   16: rustc_hir::intravisit::walk_block::<rustc_lint::late::LateContextAndPass<rustc_lint::BuiltinCombinedModuleLateLintPass>>
[INFO] [stderr]   17: <rustc_lint::late::LateContextAndPass<rustc_lint::BuiltinCombinedModuleLateLintPass> as rustc_hir::intravisit::Visitor>::visit_expr
[INFO] [stderr]   18: rustc_hir::intravisit::walk_block::<rustc_lint::late::LateContextAndPass<rustc_lint::BuiltinCombinedModuleLateLintPass>>
[INFO] [stderr]   19: <rustc_lint::late::LateContextAndPass<rustc_lint::BuiltinCombinedModuleLateLintPass> as rustc_hir::intravisit::Visitor>::visit_nested_body
[INFO] [stderr]   20: <rustc_lint::late::LateContextAndPass<rustc_lint::BuiltinCombinedModuleLateLintPass> as rustc_hir::intravisit::Visitor>::visit_nested_item
[INFO] [stderr]   21: rustc_hir::intravisit::walk_block::<rustc_lint::late::LateContextAndPass<rustc_lint::BuiltinCombinedModuleLateLintPass>>
[INFO] [stderr]   22: <rustc_lint::late::LateContextAndPass<rustc_lint::BuiltinCombinedModuleLateLintPass> as rustc_hir::intravisit::Visitor>::visit_expr
[INFO] [stderr]   23: rustc_hir::intravisit::walk_block::<rustc_lint::late::LateContextAndPass<rustc_lint::BuiltinCombinedModuleLateLintPass>>
[INFO] [stderr]   24: <rustc_lint::late::LateContextAndPass<rustc_lint::BuiltinCombinedModuleLateLintPass> as rustc_hir::intravisit::Visitor>::visit_nested_body
[INFO] [stderr]   25: <rustc_lint::late::LateContextAndPass<rustc_lint::BuiltinCombinedModuleLateLintPass> as rustc_hir::intravisit::Visitor>::visit_nested_item
[INFO] [stderr]   26: rustc_lint::lint_mod
[INFO] [stderr]   27: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::lint_mod::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 0]>>
[INFO] [stderr]   28: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::DefaultCache<rustc_span::def_id::LocalModDefId, rustc_middle::query::erase::Erased<[u8; 0]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, false>
[INFO] [stderr]   29: rustc_query_impl::query_impl::lint_mod::get_query_non_incr::__rust_end_short_backtrace
[INFO] [stderr]   30: rustc_lint::late::check_crate::{closure#1}
[INFO] [stderr]   31: rustc_lint::late::check_crate
[INFO] [stderr]   32: rustc_interface::passes::analysis
[INFO] [stderr]   33: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 1]>>
[INFO] [stderr]   34: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::SingleCache<rustc_middle::query::erase::Erased<[u8; 1]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, false>
[INFO] [stderr]   35: rustc_query_impl::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
[INFO] [stderr]   36: rustc_interface::interface::run_compiler::<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#0}>::{closure#1}
[INFO] [stderr]   37: std::sys::backtrace::__rust_begin_short_backtrace::<rustc_interface::util::run_in_thread_with_globals<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#0}>::{closure#1}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
[INFO] [stderr]   38: <<std::thread::Builder>::spawn_unchecked_<rustc_interface::util::run_in_thread_with_globals<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#0}>::{closure#1}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]   39: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stderr]              at /rustc/09146510cdb33d15474a35fde290187a88b1cf35/library/alloc/src/boxed.rs:2148:9
[INFO] [stderr]   40: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stderr]              at /rustc/09146510cdb33d15474a35fde290187a88b1cf35/library/alloc/src/boxed.rs:2148:9
[INFO] [stderr]   41: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stderr]              at /rustc/09146510cdb33d15474a35fde290187a88b1cf35/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stderr]   42: <unknown>
[INFO] [stderr]   43: clone
[INFO] [stderr] 
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x7f86ba97ddd5 - std::backtrace_rs::backtrace::libunwind::trace::hd14cd05c8ce75653
[INFO] [stderr]                                at /rustc/09146510cdb33d15474a35fde290187a88b1cf35/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stderr]    1:     0x7f86ba97ddd5 - std::backtrace_rs::backtrace::trace_unsynchronized::h2bd11920a4bced06
[INFO] [stderr]                                at /rustc/09146510cdb33d15474a35fde290187a88b1cf35/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]    2:     0x7f86ba97ddd5 - std::sys::backtrace::_print_fmt::h7b5db99a0e0a9618
[INFO] [stderr]                                at /rustc/09146510cdb33d15474a35fde290187a88b1cf35/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]    3:     0x7f86ba97ddd5 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h3b0bb7ed425a905c
[INFO] [stderr]                                at /rustc/09146510cdb33d15474a35fde290187a88b1cf35/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]    4:     0x7f86ba9cecfb - core::fmt::rt::Argument::fmt::h8dbebbed1aabf976
[INFO] [stderr]                                at /rustc/09146510cdb33d15474a35fde290187a88b1cf35/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]    5:     0x7f86ba9cecfb - core::fmt::write::h970c44dce83e5ee7
[INFO] [stderr]                                at /rustc/09146510cdb33d15474a35fde290187a88b1cf35/library/core/src/fmt/mod.rs:1178:21
[INFO] [stderr]    6:     0x7f86ba97261f - std::io::Write::write_fmt::h3b36ddac8cba0ada
[INFO] [stderr]                                at /rustc/09146510cdb33d15474a35fde290187a88b1cf35/library/std/src/io/mod.rs:1823:15
[INFO] [stderr]    7:     0x7f86ba980671 - std::sys::backtrace::BacktraceLock::print::h4e16a8d2ce8dc6ad
[INFO] [stderr]                                at /rustc/09146510cdb33d15474a35fde290187a88b1cf35/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]    8:     0x7f86ba980671 - std::panicking::default_hook::{{closure}}::h1d9339438491665b
[INFO] [stderr]                                at /rustc/09146510cdb33d15474a35fde290187a88b1cf35/library/std/src/panicking.rs:266:22
[INFO] [stderr]    9:     0x7f86ba98034c - std::panicking::default_hook::h706794151aa208b4
[INFO] [stderr]                                at /rustc/09146510cdb33d15474a35fde290187a88b1cf35/library/std/src/panicking.rs:293:9
[INFO] [stderr]   10:     0x7f86bde51dba - std[f88f5f79b5dd95a0]::panicking::update_hook::<alloc[5b4a4b107c80e90d]::boxed::Box<rustc_driver_impl[fc71c99b1665d275]::install_ice_hook::{closure#0}>>::{closure#0}
[INFO] [stderr]   11:     0x7f86ba98103f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h83138b9a2d92612c
[INFO] [stderr]                                at /rustc/09146510cdb33d15474a35fde290187a88b1cf35/library/alloc/src/boxed.rs:2162:9
[INFO] [stderr]   12:     0x7f86ba98103f - std::panicking::rust_panic_with_hook::hf271bde743f78cbd
[INFO] [stderr]                                at /rustc/09146510cdb33d15474a35fde290187a88b1cf35/library/std/src/panicking.rs:805:13
[INFO] [stderr]   13:     0x7f86ba980c67 - std::panicking::begin_panic_handler::{{closure}}::h153af9175e95fc80
[INFO] [stderr]                                at /rustc/09146510cdb33d15474a35fde290187a88b1cf35/library/std/src/panicking.rs:671:13
[INFO] [stderr]   14:     0x7f86ba97e299 - std::sys::backtrace::__rust_end_short_backtrace::h8607198d3b617b99
[INFO] [stderr]                                at /rustc/09146510cdb33d15474a35fde290187a88b1cf35/library/std/src/sys/backtrace.rs:170:18
[INFO] [stderr]   15:     0x7f86ba9808f4 - rust_begin_unwind
[INFO] [stderr]                                at /rustc/09146510cdb33d15474a35fde290187a88b1cf35/library/std/src/panicking.rs:662:5
[INFO] [stderr]   16:     0x7f86ba9cb2c3 - core::panicking::panic_fmt::hf6633b287b5ae536
[INFO] [stderr]                                at /rustc/09146510cdb33d15474a35fde290187a88b1cf35/library/core/src/panicking.rs:74:14
[INFO] [stderr]   17:     0x7f86c0da5e9a - <rustc_errors[ca17a2372905e3ad]::DiagCtxtInner as core[3cb4721bd79b40c1]::ops::drop::Drop>::drop.cold
[INFO] [stderr]   18:     0x7f86c01edb5c - core[3cb4721bd79b40c1]::ptr::drop_in_place::<rustc_errors[ca17a2372905e3ad]::DiagCtxt>
[INFO] [stderr]   19:     0x7f86c02f70da - core[3cb4721bd79b40c1]::ptr::drop_in_place::<rustc_session[c3a4ddf29677db56]::parse::ParseSess>
[INFO] [stderr]   20:     0x7f86c02f775f - core[3cb4721bd79b40c1]::ptr::drop_in_place::<rustc_interface[d8ac3dbe8c4052b9]::interface::Compiler>
[INFO] [stderr]   21:     0x7f86c0207cb8 - rustc_interface[d8ac3dbe8c4052b9]::interface::run_compiler::<core[3cb4721bd79b40c1]::result::Result<(), rustc_span[c47c5cbe9eaa080e]::ErrorGuaranteed>, rustc_driver_impl[fc71c99b1665d275]::run_compiler::{closure#0}>::{closure#1}
[INFO] [stderr]   22:     0x7f86c01ec549 - std[f88f5f79b5dd95a0]::sys::backtrace::__rust_begin_short_backtrace::<rustc_interface[d8ac3dbe8c4052b9]::util::run_in_thread_with_globals<rustc_interface[d8ac3dbe8c4052b9]::util::run_in_thread_pool_with_globals<rustc_interface[d8ac3dbe8c4052b9]::interface::run_compiler<core[3cb4721bd79b40c1]::result::Result<(), rustc_span[c47c5cbe9eaa080e]::ErrorGuaranteed>, rustc_driver_impl[fc71c99b1665d275]::run_compiler::{closure#0}>::{closure#1}, core[3cb4721bd79b40c1]::result::Result<(), rustc_span[c47c5cbe9eaa080e]::ErrorGuaranteed>>::{closure#0}, core[3cb4721bd79b40c1]::result::Result<(), rustc_span[c47c5cbe9eaa080e]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[3cb4721bd79b40c1]::result::Result<(), rustc_span[c47c5cbe9eaa080e]::ErrorGuaranteed>>
[INFO] [stderr]   23:     0x7f86c01ec2fa - <<std[f88f5f79b5dd95a0]::thread::Builder>::spawn_unchecked_<rustc_interface[d8ac3dbe8c4052b9]::util::run_in_thread_with_globals<rustc_interface[d8ac3dbe8c4052b9]::util::run_in_thread_pool_with_globals<rustc_interface[d8ac3dbe8c4052b9]::interface::run_compiler<core[3cb4721bd79b40c1]::result::Result<(), rustc_span[c47c5cbe9eaa080e]::ErrorGuaranteed>, rustc_driver_impl[fc71c99b1665d275]::run_compiler::{closure#0}>::{closure#1}, core[3cb4721bd79b40c1]::result::Result<(), rustc_span[c47c5cbe9eaa080e]::ErrorGuaranteed>>::{closure#0}, core[3cb4721bd79b40c1]::result::Result<(), rustc_span[c47c5cbe9eaa080e]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[3cb4721bd79b40c1]::result::Result<(), rustc_span[c47c5cbe9eaa080e]::ErrorGuaranteed>>::{closure#1} as core[3cb4721bd79b40c1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]   24:     0x7f86ba98afbb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h438aa41529320378
[INFO] [stderr]                                at /rustc/09146510cdb33d15474a35fde290187a88b1cf35/library/alloc/src/boxed.rs:2148:9
[INFO] [stderr]   25:     0x7f86ba98afbb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha61ffbd131f8a573
[INFO] [stderr]                                at /rustc/09146510cdb33d15474a35fde290187a88b1cf35/library/alloc/src/boxed.rs:2148:9
[INFO] [stderr]   26:     0x7f86ba98afbb - std::sys::pal::unix::thread::Thread::new::thread_start::h64d9bacc04a5fc59
[INFO] [stderr]                                at /rustc/09146510cdb33d15474a35fde290187a88b1cf35/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stderr]   27:     0x7f86ba728ac3 - <unknown>
[INFO] [stderr]   28:     0x7f86ba7b9a04 - clone
[INFO] [stderr]   29:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] error: the compiler unexpectedly panicked. this is a bug.
[INFO] [stderr] 
[INFO] [stderr] note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md
[INFO] [stderr] 
[INFO] [stderr] note: please make sure that you have updated to the latest nightly
[INFO] [stderr] 
[INFO] [stderr] warning: the ICE couldn't be written to `/opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/memchr-2.1.1/rustc-ice-2024-07-31T11_22_46-171.txt`: Read-only file system (os error 30)
[INFO] [stderr] 
[INFO] [stderr] note: rustc 1.82.0-nightly (09146510c 2024-07-30) running on x86_64-unknown-linux-gnu
[INFO] [stderr] 
[INFO] [stderr] note: compiler flags: --crate-type lib -C embed-bitcode=no -C debuginfo=2
[INFO] [stderr] 
[INFO] [stderr] note: some of the compiler flags provided by cargo are hidden
[INFO] [stderr] 
[INFO] [stderr] query stack during panic:
[INFO] [stderr] end of query stack
[INFO] [stderr] error: could not compile `memchr` (lib)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: the feature `unsized_locals` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/main.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(unsized_locals)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #48055 <https://github.com/rust-lang/rust/issues/48055> for more information
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/flt.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         ((value as u32) << shift)
[INFO] [stdout]    |         ^                       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 42 -         ((value as u32) << shift)
[INFO] [stdout] 42 +         (value as u32) << shift
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/flt.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/flt.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `uniform_paths` has been stable since 1.32.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(uniform_paths)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(slice_patterns)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `atoi_via_bytes` is never used
[INFO] [stdout]  --> src/flt.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn atoi_via_bytes(chars: [u8; 4]) -> u32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `shifted_atoi_via_fold` is never used
[INFO] [stdout]   --> src/flt.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn shifted_atoi_via_fold(chars: Vec<u8>) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `shifted_atoi_via_map` is never used
[INFO] [stdout]   --> src/flt.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn shifted_atoi_via_map(chars: Vec<u8>) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `shifted_atoi_via_loop` is never used
[INFO] [stdout]   --> src/flt.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn shifted_atoi_via_loop(chars: Vec<u8>) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compose_f32` is never used
[INFO] [stdout]   --> src/flt.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub fn compose_f32(exponent: f32, mantissa: f32) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `clone_into_array` is never used
[INFO] [stdout]   --> src/flt.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn clone_into_array<A, T>(slice: &[T]) -> A
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `getu16_stable` is never used
[INFO] [stdout]   --> src/flt.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn getu16_stable(my_array: [u8; 4]) -> u16 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `getu16` is never used
[INFO] [stdout]   --> src/flt.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub fn getu16(my_array: [u8; 4]) -> u16 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `getu32` is never used
[INFO] [stdout]   --> src/flt.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub fn getu32(my_array: [u8; 4]) -> u32 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `string_from_iso_bytes` is never used
[INFO] [stdout]  --> src/string.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn string_from_iso_bytes(buffer: &[u8]) -> std::string::String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bytes_from_from_iso_string` is never used
[INFO] [stdout]   --> src/string.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn bytes_from_from_iso_string(keyword: &str) -> Vec<u8> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cstring_from_ptr` is never used
[INFO] [stdout]   --> src/string.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn cstring_from_ptr(buffer: &[i8]) -> &str {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cstring_from_bytes` is never used
[INFO] [stdout]   --> src/string.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn cstring_from_bytes(buffer: &[u8]) -> &str {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `string_from_utf8` is never used
[INFO] [stdout]   --> src/string.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn string_from_utf8(buffer: &[u8]) -> &str {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "265228a75ce10ddb049e651fd72ebda0d286da52e64d15459ec2d6075b70201f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "265228a75ce10ddb049e651fd72ebda0d286da52e64d15459ec2d6075b70201f", kill_on_drop: false }`
[INFO] [stdout] 265228a75ce10ddb049e651fd72ebda0d286da52e64d15459ec2d6075b70201f