[INFO] cloning repository https://github.com/comradeHsu/Must
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/comradeHsu/Must" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FcomradeHsu%2FMust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FcomradeHsu%2FMust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7f4624518a10b34658d46a39b6acc4bdd4d47a33
[INFO] building comradeHsu/Must against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FcomradeHsu%2FMust" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/comradeHsu/Must on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/comradeHsu/Must
[INFO] finished tweaking git repo https://github.com/comradeHsu/Must
[INFO] tweaked toml for git repo https://github.com/comradeHsu/Must written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/comradeHsu/Must already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zip v0.5.4
[INFO] [stderr]   Downloaded libflate v0.1.27
[INFO] [stderr]   Downloaded rle-decode-fast v1.0.1
[INFO] [stderr]   Downloaded bzip2 v0.3.3
[INFO] [stderr]   Downloaded static_assertions v0.3.4
[INFO] [stderr]   Downloaded pretty-hex v0.1.1
[INFO] [stderr]   Downloaded bzip2-sys v0.1.8+1.0.8
[INFO] [stderr]   Downloaded lexical-core v0.6.7
[INFO] [stderr]   Downloaded bstr v0.2.11
[INFO] [stderr]   Downloaded podio v0.1.6
[INFO] [stderr]   Downloaded chardet v0.2.4
[INFO] [stderr]   Downloaded circular v0.3.0
[INFO] [stderr]   Downloaded codepage-437 v0.1.0
[INFO] [stderr]   Downloaded positioned-io v0.2.2
[INFO] [stderr]   Downloaded rc-zip v0.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb649934b941e1dd5f636d6e049a6c159675d6f1826e5bb972020aa9a2bbd3fe
[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" "bb649934b941e1dd5f636d6e049a6c159675d6f1826e5bb972020aa9a2bbd3fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb649934b941e1dd5f636d6e049a6c159675d6f1826e5bb972020aa9a2bbd3fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb649934b941e1dd5f636d6e049a6c159675d6f1826e5bb972020aa9a2bbd3fe", kill_on_drop: false }`
[INFO] [stdout] bb649934b941e1dd5f636d6e049a6c159675d6f1826e5bb972020aa9a2bbd3fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ba18f5dc8c0c5c4cc2aba501d3100b1142f194e2d52bc671b10a025cfdf87853
[INFO] running `Command { std: "docker" "start" "-a" "ba18f5dc8c0c5c4cc2aba501d3100b1142f194e2d52bc671b10a025cfdf87853", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling static_assertions v0.3.4
[INFO] [stderr]    Compiling podio v0.1.6
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling circular v0.3.0
[INFO] [stderr]    Compiling pretty-hex v0.1.1
[INFO] [stderr]    Compiling chardet v0.2.4
[INFO] [stderr]    Compiling miniz_oxide v0.3.6
[INFO] [stderr]    Compiling lark-classfile v0.1.0 (/opt/rustwide/workdir/class_file)
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stdout] warning: unused import: `AttributeInfo`
[INFO] [stdout]  --> class_file/src/class_file.rs:2:57
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::attribute_info::{read_attributes, Attribute, AttributeInfo};
[INFO] [stdout]   |                                                         ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::makers_attribute::DeprecatedAttribute`
[INFO] [stdout]  --> class_file/src/constant_pool.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::makers_attribute::DeprecatedAttribute;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RuntimeVisibleAnnotations`
[INFO] [stdout]  --> class_file/src/member_info.rs:2:26
[INFO] [stdout]   |
[INFO] [stdout] 2 |     Code, ConstantValue, RuntimeVisibleAnnotations,
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AttributeInfo`
[INFO] [stdout]  --> class_file/src/member_info.rs:4:57
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::attribute_info::{read_attributes, Attribute, AttributeInfo};
[INFO] [stdout]   |                                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ref`
[INFO] [stdout]  --> class_file/src/runtime_visible_annotations_attribute.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::cell::{Ref, RefCell};
[INFO] [stdout]   |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> class_file/src/constant_pool.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 MethodRef(info) => info.0.cp = rc_pool.clone(),
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `clone`
[INFO] [stdout]   --> class_file/src/attribute_info.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let clone = reader.data.clone();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_clone`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `info`
[INFO] [stdout]   --> class_file/src/constant_pool.rs:26:22
[INFO] [stdout]    |
[INFO] [stdout] 26 |                 Long(info) => {
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `info`
[INFO] [stdout]   --> class_file/src/constant_pool.rs:32:24
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 Double(info) => {
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reader`
[INFO] [stdout]   --> class_file/src/makers_attribute.rs:15:29
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn read_info(&mut self, reader: &mut ClassReader) {}
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reader`
[INFO] [stdout]   --> class_file/src/makers_attribute.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn read_info(&mut self, reader: &mut ClassReader) {
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `rem` is never read
[INFO] [stdout]    --> class_file/src/member_info.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |     let mut rem = 0;
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> class_file/src/runtime_visible_annotations_attribute.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |         for i in 0..num_annotations {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> class_file/src/runtime_visible_annotations_attribute.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |         for i in 0..num_element_value_pairs {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stdout] warning: field is never read: `bootstrap_methods`
[INFO] [stdout]  --> class_file/src/bootstrap_methods_attribute.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     bootstrap_methods: Vec<BootstrapMethod>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bootstrap_method_ref`
[INFO] [stdout]  --> class_file/src/bootstrap_methods_attribute.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     bootstrap_method_ref: u16,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bootstrap_arguments`
[INFO] [stdout]   --> class_file/src/bootstrap_methods_attribute.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     bootstrap_arguments: Vec<u16>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bootstrap_method_attr_index`
[INFO] [stdout]    --> class_file/src/constant_pool.rs:550:5
[INFO] [stdout]     |
[INFO] [stdout] 550 |     bootstrap_method_attr_index: u16,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name_and_type_index`
[INFO] [stdout]    --> class_file/src/constant_pool.rs:551:5
[INFO] [stdout]     |
[INFO] [stdout] 551 |     name_and_type_index: u16,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `reference_kind`
[INFO] [stdout]    --> class_file/src/constant_pool.rs:562:5
[INFO] [stdout]     |
[INFO] [stdout] 562 |     reference_kind: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `reference_index`
[INFO] [stdout]    --> class_file/src/constant_pool.rs:563:5
[INFO] [stdout]     |
[INFO] [stdout] 563 |     reference_index: u16,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `descriptor_index`
[INFO] [stdout]    --> class_file/src/constant_pool.rs:574:5
[INFO] [stdout]     |
[INFO] [stdout] 574 |     descriptor_index: u16,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `classes`
[INFO] [stdout]  --> class_file/src/inner_classes_attribute.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     classes: Vec<InnerClassInfo>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `inner_class_info_index`
[INFO] [stdout]  --> class_file/src/inner_classes_attribute.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     inner_class_info_index: u16,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `outer_class_info_index`
[INFO] [stdout]   --> class_file/src/inner_classes_attribute.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     outer_class_info_index: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `inner_name_index`
[INFO] [stdout]   --> class_file/src/inner_classes_attribute.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     inner_name_index: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `inner_class_access_flags`
[INFO] [stdout]   --> class_file/src/inner_classes_attribute.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     inner_class_access_flags: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `local_variable_table`
[INFO] [stdout]  --> class_file/src/local_variable_table_attribute.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     local_variable_table: Vec<LocalVariableTableEntry>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `start_pc`
[INFO] [stdout]  --> class_file/src/local_variable_table_attribute.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     start_pc: u16,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `length`
[INFO] [stdout]   --> class_file/src/local_variable_table_attribute.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     length: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name_index`
[INFO] [stdout]   --> class_file/src/local_variable_table_attribute.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     name_index: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `descriptor_index`
[INFO] [stdout]   --> class_file/src/local_variable_table_attribute.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     descriptor_index: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `index`
[INFO] [stdout]   --> class_file/src/local_variable_table_attribute.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     index: u16,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `local_variable_type_table`
[INFO] [stdout]  --> class_file/src/local_variable_type_table_attribute.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     local_variable_type_table: Vec<LocalVariableTypeTableEntry>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `start_pc`
[INFO] [stdout]  --> class_file/src/local_variable_type_table_attribute.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     start_pc: u16,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `length`
[INFO] [stdout]   --> class_file/src/local_variable_type_table_attribute.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     length: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name_index`
[INFO] [stdout]   --> class_file/src/local_variable_type_table_attribute.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     name_index: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `signature_index`
[INFO] [stdout]   --> class_file/src/local_variable_type_table_attribute.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     signature_index: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `index`
[INFO] [stdout]   --> class_file/src/local_variable_type_table_attribute.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     index: u16,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `entries`
[INFO] [stdout]  --> class_file/src/stack_map_table_attribute.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     entries: Vec<FrameType>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `frame_type`
[INFO] [stdout]   --> class_file/src/stack_map_table_attribute.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     frame_type: Vec<u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]  --> class_file/src/unparsed_attribute.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     name: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `info`
[INFO] [stdout]  --> class_file/src/unparsed_attribute.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     info: Option<Vec<u8>>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stdout] warning: 43 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lexical-core v0.6.7
[INFO] [stderr]    Compiling bzip2-sys v0.1.8+1.0.8
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling positioned-io v0.2.2
[INFO] [stderr]    Compiling flate2 v1.0.13
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling chrono v0.4.10
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.6.7/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] [stderr]    Compiling zip v0.5.4
[INFO] [stdout] error[E0277]: cannot divide `usize` by `u32`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.6.7/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-0.6.7/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-0.6.7/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-0.6.7/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-0.6.7/src/atof/algorithm/math.rs:1049:42
[INFO] [stdout]      |
[INFO] [stdout] 1049 |     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] 1049 |     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-0.6.7/src/atof/algorithm/math.rs:1064:28
[INFO] [stdout]      |
[INFO] [stdout] 1064 |     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] 1064 |     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-0.6.7/src/atof/algorithm/math.rs:1065:22
[INFO] [stdout]      |
[INFO] [stdout] 1065 |         .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-0.6.7/src/atof/algorithm/math.rs:1065:20
[INFO] [stdout]      |
[INFO] [stdout] 1065 |         .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-0.6.7/src/atof/algorithm/math.rs:1066:20
[INFO] [stdout]      |
[INFO] [stdout] 1066 |         .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] 1066 |         .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-0.6.7/src/atof/algorithm/math.rs:1064:5
[INFO] [stdout]      |
[INFO] [stdout] 1060 |   pub fn bit_length(x: &[Limb]) -> usize {
[INFO] [stdout]      |                                    ----- expected `usize` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 1064 | /     Limb::BITS.checked_mul(x.len())
[INFO] [stdout] 1065 | |         .map(|v| v - nlz)
[INFO] [stdout] 1066 | |         .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] 1064 |     Limb::BITS.checked_mul(x.len())
[INFO] [stdout] 1065 |         .map(|v| v - nlz)
[INFO] [stdout] 1066 |         .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-0.6.7/src/atof/algorithm/math.rs:1091:23
[INFO] [stdout]      |
[INFO] [stdout] 1091 |     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] 1091 |     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-0.6.7/src/atof/algorithm/math.rs:1098:25
[INFO] [stdout]      |
[INFO] [stdout] 1098 |     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-0.6.7/src/atof/algorithm/math.rs:1098:23
[INFO] [stdout]      |
[INFO] [stdout] 1098 |     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-0.6.7/src/atof/algorithm/math.rs:1140:19
[INFO] [stdout]      |
[INFO] [stdout] 1140 |     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-0.6.7/src/atof/algorithm/math.rs:1140:17
[INFO] [stdout]      |
[INFO] [stdout] 1140 |     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-0.6.7/src/atof/algorithm/math.rs:1141:19
[INFO] [stdout]      |
[INFO] [stdout] 1141 |     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-0.6.7/src/atof/algorithm/math.rs:1141:17
[INFO] [stdout]      |
[INFO] [stdout] 1141 |     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-0.6.7/src/atof/algorithm/math.rs:1197:23
[INFO] [stdout]      |
[INFO] [stdout] 1197 |     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] 1197 |     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-0.6.7/src/atof/algorithm/math.rs:1207:25
[INFO] [stdout]      |
[INFO] [stdout] 1207 |     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-0.6.7/src/atof/algorithm/math.rs:1207:23
[INFO] [stdout]      |
[INFO] [stdout] 1207 |     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-0.6.7/src/atof/algorithm/math.rs:1259:19
[INFO] [stdout]      |
[INFO] [stdout] 1259 |     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-0.6.7/src/atof/algorithm/math.rs:1259:17
[INFO] [stdout]      |
[INFO] [stdout] 1259 |     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-0.6.7/src/atof/algorithm/math.rs:1260:19
[INFO] [stdout]      |
[INFO] [stdout] 1260 |     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-0.6.7/src/atof/algorithm/math.rs:1260:17
[INFO] [stdout]      |
[INFO] [stdout] 1260 |     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-0.6.7/src/atof/algorithm/math.rs:2071:27
[INFO] [stdout]      |
[INFO] [stdout] 2071 |     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-0.6.7/src/atof/algorithm/math.rs:2071:25
[INFO] [stdout]      |
[INFO] [stdout] 2071 |     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: could not compile `lexical-core`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ba18f5dc8c0c5c4cc2aba501d3100b1142f194e2d52bc671b10a025cfdf87853", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba18f5dc8c0c5c4cc2aba501d3100b1142f194e2d52bc671b10a025cfdf87853", kill_on_drop: false }`
[INFO] [stdout] ba18f5dc8c0c5c4cc2aba501d3100b1142f194e2d52bc671b10a025cfdf87853
