[INFO] fetching crate coffer 1.0.1...
[INFO] checking coffer-1.0.1 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate coffer 1.0.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate coffer 1.0.1 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate coffer 1.0.1
[INFO] finished tweaking crates.io crate coffer 1.0.1
[INFO] tweaked toml for crates.io crate coffer 1.0.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded coffer-macros v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b3d6ff4498cf32ae401f3d788aa908cf2b6ee835a873701a5893fcd4f428d1d
[INFO] running `Command { std: "docker" "start" "-a" "9b3d6ff4498cf32ae401f3d788aa908cf2b6ee835a873701a5893fcd4f428d1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b3d6ff4498cf32ae401f3d788aa908cf2b6ee835a873701a5893fcd4f428d1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b3d6ff4498cf32ae401f3d788aa908cf2b6ee835a873701a5893fcd4f428d1d", kill_on_drop: false }`
[INFO] [stdout] 9b3d6ff4498cf32ae401f3d788aa908cf2b6ee835a873701a5893fcd4f428d1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1121150df96d9cb9b8b986c2db54aaf93d70d23f561045cfac4d68de98d5cea
[INFO] running `Command { std: "docker" "start" "-a" "a1121150df96d9cb9b8b986c2db54aaf93d70d23f561045cfac4d68de98d5cea", kill_on_drop: false }`
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling nom v6.2.2
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking bitvec v0.19.6
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]    Compiling coffer-macros v1.0.0
[INFO] [stderr]     Checking coffer v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0407]: method `backtrace` is not a member of trait `Error`
[INFO] [stdout]   --> src/error.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 | /         fn backtrace(&self) -> Option<&Backtrace> {
[INFO] [stdout] 90 | |             Some(&self.trace)
[INFO] [stdout] 91 | |         }
[INFO] [stdout]    | |_________^ not a member of trait `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Cow` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | use std::borrow::Cow;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 | use prelude::*;
[INFO] [stdout]    |     ---------- the item `Cow` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Module` is imported redundantly
[INFO] [stdout]   --> src/attr.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::module::Module;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 18 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `Module` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Read` is imported redundantly
[INFO] [stdout]   --> src/code.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 | use std::io::{Cursor, Read, Write};
[INFO] [stdout]    |                       ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `Read` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]   --> src/code.rs:24:29
[INFO] [stdout]    |
[INFO] [stdout] 24 | use std::io::{Cursor, Read, Write};
[INFO] [stdout]    |                             ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `Write` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Cow` is imported redundantly
[INFO] [stdout]   --> src/code.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use nom::lib::std::borrow::Cow;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `Cow` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ConstantPoolReader` is imported redundantly
[INFO] [stdout]   --> src/code.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 | use crate::{ConstantPoolReader, ConstantPoolReadWrite, ConstantPoolWriter, Error, read_from, ReadWrite, try_cp_read, try_cp_read_idx};
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 32 | use crate::annotation::CodeTypeAnnotation;
[INFO] [stdout] 33 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `ConstantPoolReader` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ConstantPoolWriter` is imported redundantly
[INFO] [stdout]   --> src/code.rs:31:56
[INFO] [stdout]    |
[INFO] [stdout] 31 | use crate::{ConstantPoolReader, ConstantPoolReadWrite, ConstantPoolWriter, Error, read_from, ReadWrite, try_cp_read, try_cp_read_idx};
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 32 | use crate::annotation::CodeTypeAnnotation;
[INFO] [stdout] 33 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `ConstantPoolWriter` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Error` is imported redundantly
[INFO] [stdout]   --> src/code.rs:31:76
[INFO] [stdout]    |
[INFO] [stdout] 31 | use crate::{ConstantPoolReader, ConstantPoolReadWrite, ConstantPoolWriter, Error, read_from, ReadWrite, try_cp_read, try_cp_read_idx};
[INFO] [stdout]    |                                                                            ^^^^^
[INFO] [stdout] 32 | use crate::annotation::CodeTypeAnnotation;
[INFO] [stdout] 33 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `Error` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ModuleFlags` is imported redundantly
[INFO] [stdout]   --> src/module.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 | use crate::flags::{ModuleFlags, RequireFlags};
[INFO] [stdout]    |                    ^^^^^^^^^^^
[INFO] [stdout] 27 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `ModuleFlags` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RequireFlags` is imported redundantly
[INFO] [stdout]   --> src/module.rs:26:33
[INFO] [stdout]    |
[INFO] [stdout] 26 | use crate::flags::{ModuleFlags, RequireFlags};
[INFO] [stdout]    |                                 ^^^^^^^^^^^^
[INFO] [stdout] 27 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `RequireFlags` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Code` is imported redundantly
[INFO] [stdout]   --> src/member.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use crate::code::Code;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 21 | use crate::annotation::{Annotation, AnnotationValue, FieldTypeAnnotation, MethodTypeAnnotation, ParameterAnnotations};
[INFO] [stdout] 22 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `Code` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Cow` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | use std::borrow::Cow;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 | use prelude::*;
[INFO] [stdout]    |     ---------- the item `Cow` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Module` is imported redundantly
[INFO] [stdout]   --> src/attr.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::module::Module;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 18 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `Module` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Read` is imported redundantly
[INFO] [stdout]   --> src/code.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 | use std::io::{Cursor, Read, Write};
[INFO] [stdout]    |                       ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `Read` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]   --> src/code.rs:24:29
[INFO] [stdout]    |
[INFO] [stdout] 24 | use std::io::{Cursor, Read, Write};
[INFO] [stdout]    |                             ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `Write` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Cow` is imported redundantly
[INFO] [stdout]   --> src/code.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use nom::lib::std::borrow::Cow;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `Cow` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ConstantPoolReader` is imported redundantly
[INFO] [stdout]   --> src/code.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 | use crate::{ConstantPoolReader, ConstantPoolReadWrite, ConstantPoolWriter, Error, read_from, ReadWrite, try_cp_read, try_cp_read_idx};
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 32 | use crate::annotation::CodeTypeAnnotation;
[INFO] [stdout] 33 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `ConstantPoolReader` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ConstantPoolWriter` is imported redundantly
[INFO] [stdout]   --> src/code.rs:31:56
[INFO] [stdout]    |
[INFO] [stdout] 31 | use crate::{ConstantPoolReader, ConstantPoolReadWrite, ConstantPoolWriter, Error, read_from, ReadWrite, try_cp_read, try_cp_read_idx};
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 32 | use crate::annotation::CodeTypeAnnotation;
[INFO] [stdout] 33 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `ConstantPoolWriter` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Error` is imported redundantly
[INFO] [stdout]   --> src/code.rs:31:76
[INFO] [stdout]    |
[INFO] [stdout] 31 | use crate::{ConstantPoolReader, ConstantPoolReadWrite, ConstantPoolWriter, Error, read_from, ReadWrite, try_cp_read, try_cp_read_idx};
[INFO] [stdout]    |                                                                            ^^^^^
[INFO] [stdout] 32 | use crate::annotation::CodeTypeAnnotation;
[INFO] [stdout] 33 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `Error` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ModuleFlags` is imported redundantly
[INFO] [stdout]   --> src/module.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 | use crate::flags::{ModuleFlags, RequireFlags};
[INFO] [stdout]    |                    ^^^^^^^^^^^
[INFO] [stdout] 27 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `ModuleFlags` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RequireFlags` is imported redundantly
[INFO] [stdout]   --> src/module.rs:26:33
[INFO] [stdout]    |
[INFO] [stdout] 26 | use crate::flags::{ModuleFlags, RequireFlags};
[INFO] [stdout]    |                                 ^^^^^^^^^^^^
[INFO] [stdout] 27 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `RequireFlags` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Code` is imported redundantly
[INFO] [stdout]   --> src/member.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use crate::code::Code;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 21 | use crate::annotation::{Annotation, AnnotationValue, FieldTypeAnnotation, MethodTypeAnnotation, ParameterAnnotations};
[INFO] [stdout] 22 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `Code` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Code` is imported redundantly
[INFO] [stdout]   --> src/tests/exec.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 | use crate::code::{Code, MemberType, MemberType::Static, GetOrPut::Get, Instruction::*};
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `Code` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `MemberType` is imported redundantly
[INFO] [stdout]   --> src/tests/exec.rs:18:25
[INFO] [stdout]    |
[INFO] [stdout] 18 | use crate::code::{Code, MemberType, MemberType::Static, GetOrPut::Get, Instruction::*};
[INFO] [stdout]    |                         ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `MemberType` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Constant` is imported redundantly
[INFO] [stdout]   --> src/tests/exec.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use crate::loadable::Constant;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `Constant` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `MemberRef` is imported redundantly
[INFO] [stdout]   --> src/tests/exec.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 | use crate::member::{MemberRef, Method, MethodAttribute};
[INFO] [stdout]    |                     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `MemberRef` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Method` is imported redundantly
[INFO] [stdout]   --> src/tests/exec.rs:20:32
[INFO] [stdout]    |
[INFO] [stdout] 20 | use crate::member::{MemberRef, Method, MethodAttribute};
[INFO] [stdout]    |                                ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `Method` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `MethodAttribute` is imported redundantly
[INFO] [stdout]   --> src/tests/exec.rs:20:40
[INFO] [stdout]    |
[INFO] [stdout] 20 | use crate::member::{MemberRef, Method, MethodAttribute};
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `MethodAttribute` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Type` is imported redundantly
[INFO] [stdout]   --> src/tests/exec.rs:21:22
[INFO] [stdout]    |
[INFO] [stdout] 21 | use crate::prelude::{Type, JavaVersion};
[INFO] [stdout]    |                      ^^^^
[INFO] [stdout] 22 | use crate::flags::{ClassFlags, MethodFlags};
[INFO] [stdout] 23 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `Type` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `JavaVersion` is imported redundantly
[INFO] [stdout]   --> src/tests/exec.rs:21:28
[INFO] [stdout]    |
[INFO] [stdout] 21 | use crate::prelude::{Type, JavaVersion};
[INFO] [stdout]    |                            ^^^^^^^^^^^
[INFO] [stdout] 22 | use crate::flags::{ClassFlags, MethodFlags};
[INFO] [stdout] 23 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `JavaVersion` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ClassFlags` is imported redundantly
[INFO] [stdout]   --> src/tests/exec.rs:22:20
[INFO] [stdout]    |
[INFO] [stdout] 22 | use crate::flags::{ClassFlags, MethodFlags};
[INFO] [stdout]    |                    ^^^^^^^^^^
[INFO] [stdout] 23 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `ClassFlags` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `MethodFlags` is imported redundantly
[INFO] [stdout]   --> src/tests/exec.rs:22:32
[INFO] [stdout]    |
[INFO] [stdout] 22 | use crate::flags::{ClassFlags, MethodFlags};
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 23 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `MethodFlags` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ConstantPoolReadWrite` is imported redundantly
[INFO] [stdout]   --> src/tests/mod.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 |     use crate::{ConstantPoolReadWrite, ConstantPoolReader, ConstantPoolWriter, ReadWrite, Class};
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     use crate::prelude::*;
[INFO] [stdout]    |         ----------------- the item `ConstantPoolReadWrite` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ConstantPoolReader` is imported redundantly
[INFO] [stdout]   --> src/tests/mod.rs:25:40
[INFO] [stdout]    |
[INFO] [stdout] 25 |     use crate::{ConstantPoolReadWrite, ConstantPoolReader, ConstantPoolWriter, ReadWrite, Class};
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     use crate::prelude::*;
[INFO] [stdout]    |         ----------------- the item `ConstantPoolReader` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ConstantPoolWriter` is imported redundantly
[INFO] [stdout]   --> src/tests/mod.rs:25:60
[INFO] [stdout]    |
[INFO] [stdout] 25 |     use crate::{ConstantPoolReadWrite, ConstantPoolReader, ConstantPoolWriter, ReadWrite, Class};
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     use crate::prelude::*;
[INFO] [stdout]    |         ----------------- the item `ConstantPoolWriter` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ReadWrite` is imported redundantly
[INFO] [stdout]   --> src/tests/mod.rs:25:80
[INFO] [stdout]    |
[INFO] [stdout] 25 |     use crate::{ConstantPoolReadWrite, ConstantPoolReader, ConstantPoolWriter, ReadWrite, Class};
[INFO] [stdout]    |                                                                                ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     use crate::prelude::*;
[INFO] [stdout]    |         ----------------- the item `ReadWrite` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]   --> src/tests/mod.rs:26:27
[INFO] [stdout]    |
[INFO] [stdout] 26 |     use std::io::{Cursor, Write};
[INFO] [stdout]    |                           ^^^^^
[INFO] [stdout] 27 |     use crate::code::{Instruction::*, Instruction::Label as Lbl, LocalType::Reference, Label};
[INFO] [stdout] 28 |     use crate::prelude::*;
[INFO] [stdout]    |         ----------------- the item `Write` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Cow` is imported redundantly
[INFO] [stdout]   --> src/tests/mod.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     use crate::prelude::*;
[INFO] [stdout]    |         ----------------- the item `Cow` is already imported here
[INFO] [stdout] 29 |     use std::borrow::Cow;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `backtrace` has been stable since 1.65.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:30:55
[INFO] [stdout]    |
[INFO] [stdout] 30 | #![cfg_attr(any(feature = "backtrace", test), feature(backtrace))]
[INFO] [stdout]    |                                                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `class_sample`
[INFO] [stdout]   --> src/tests/mod.rs:66:53
[INFO] [stdout]    |
[INFO] [stdout] 66 |         static ref SAMPLE: Vec<(String, Vec<u8>)> = class_sample::get_sample_name_bytes(2 * 1024);
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^ use of undeclared crate or module `class_sample`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0407, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0407`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `coffer` (lib test) due to 3 previous errors; 28 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "a1121150df96d9cb9b8b986c2db54aaf93d70d23f561045cfac4d68de98d5cea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1121150df96d9cb9b8b986c2db54aaf93d70d23f561045cfac4d68de98d5cea", kill_on_drop: false }`
[INFO] [stdout] a1121150df96d9cb9b8b986c2db54aaf93d70d23f561045cfac4d68de98d5cea
[INFO] checking coffer-1.0.1 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate coffer 1.0.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate coffer 1.0.1 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate coffer 1.0.1
[INFO] finished tweaking crates.io crate coffer 1.0.1
[INFO] tweaked toml for crates.io crate coffer 1.0.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d841dcf3ff671256eabe916db94e8e9d8bec788c57fb3289f7c6704a982b04c
[INFO] running `Command { std: "docker" "start" "-a" "1d841dcf3ff671256eabe916db94e8e9d8bec788c57fb3289f7c6704a982b04c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d841dcf3ff671256eabe916db94e8e9d8bec788c57fb3289f7c6704a982b04c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d841dcf3ff671256eabe916db94e8e9d8bec788c57fb3289f7c6704a982b04c", kill_on_drop: false }`
[INFO] [stdout] 1d841dcf3ff671256eabe916db94e8e9d8bec788c57fb3289f7c6704a982b04c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] becebc96c398f1e7594ce6926fe554da763a34e3b5c3c34f750e1bf8392395ca
[INFO] running `Command { std: "docker" "start" "-a" "becebc96c398f1e7594ce6926fe554da763a34e3b5c3c34f750e1bf8392395ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling nom v6.2.2
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking bitvec v0.19.6
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]    Compiling coffer-macros v1.0.0
[INFO] [stderr]     Checking coffer v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0407]: method `backtrace` is not a member of trait `Error`
[INFO] [stdout]   --> src/error.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 | /         fn backtrace(&self) -> Option<&Backtrace> {
[INFO] [stdout] 90 | |             Some(&self.trace)
[INFO] [stdout] 91 | |         }
[INFO] [stdout]    | |_________^ not a member of trait `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Cow` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | use std::borrow::Cow;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 | use prelude::*;
[INFO] [stdout]    |     ---------- the item `Cow` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Module` is imported redundantly
[INFO] [stdout]   --> src/attr.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::module::Module;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 18 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `Module` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Read` is imported redundantly
[INFO] [stdout]   --> src/code.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 | use std::io::{Cursor, Read, Write};
[INFO] [stdout]    |                       ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `Read` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]   --> src/code.rs:24:29
[INFO] [stdout]    |
[INFO] [stdout] 24 | use std::io::{Cursor, Read, Write};
[INFO] [stdout]    |                             ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `Write` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Cow` is imported redundantly
[INFO] [stdout]   --> src/code.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use nom::lib::std::borrow::Cow;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `Cow` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ConstantPoolReader` is imported redundantly
[INFO] [stdout]   --> src/code.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 | use crate::{ConstantPoolReader, ConstantPoolReadWrite, ConstantPoolWriter, Error, read_from, ReadWrite, try_cp_read, try_cp_read_idx};
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 32 | use crate::annotation::CodeTypeAnnotation;
[INFO] [stdout] 33 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `ConstantPoolReader` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ConstantPoolWriter` is imported redundantly
[INFO] [stdout]   --> src/code.rs:31:56
[INFO] [stdout]    |
[INFO] [stdout] 31 | use crate::{ConstantPoolReader, ConstantPoolReadWrite, ConstantPoolWriter, Error, read_from, ReadWrite, try_cp_read, try_cp_read_idx};
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 32 | use crate::annotation::CodeTypeAnnotation;
[INFO] [stdout] 33 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `ConstantPoolWriter` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Error` is imported redundantly
[INFO] [stdout]   --> src/code.rs:31:76
[INFO] [stdout]    |
[INFO] [stdout] 31 | use crate::{ConstantPoolReader, ConstantPoolReadWrite, ConstantPoolWriter, Error, read_from, ReadWrite, try_cp_read, try_cp_read_idx};
[INFO] [stdout]    |                                                                            ^^^^^
[INFO] [stdout] 32 | use crate::annotation::CodeTypeAnnotation;
[INFO] [stdout] 33 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `Error` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ModuleFlags` is imported redundantly
[INFO] [stdout]   --> src/module.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 | use crate::flags::{ModuleFlags, RequireFlags};
[INFO] [stdout]    |                    ^^^^^^^^^^^
[INFO] [stdout] 27 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `ModuleFlags` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RequireFlags` is imported redundantly
[INFO] [stdout]   --> src/module.rs:26:33
[INFO] [stdout]    |
[INFO] [stdout] 26 | use crate::flags::{ModuleFlags, RequireFlags};
[INFO] [stdout]    |                                 ^^^^^^^^^^^^
[INFO] [stdout] 27 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `RequireFlags` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Code` is imported redundantly
[INFO] [stdout]   --> src/member.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use crate::code::Code;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 21 | use crate::annotation::{Annotation, AnnotationValue, FieldTypeAnnotation, MethodTypeAnnotation, ParameterAnnotations};
[INFO] [stdout] 22 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `Code` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Cow` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | use std::borrow::Cow;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 | use prelude::*;
[INFO] [stdout]    |     ---------- the item `Cow` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Module` is imported redundantly
[INFO] [stdout]   --> src/attr.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::module::Module;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 18 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `Module` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Read` is imported redundantly
[INFO] [stdout]   --> src/code.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 | use std::io::{Cursor, Read, Write};
[INFO] [stdout]    |                       ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `Read` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]   --> src/code.rs:24:29
[INFO] [stdout]    |
[INFO] [stdout] 24 | use std::io::{Cursor, Read, Write};
[INFO] [stdout]    |                             ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `Write` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Cow` is imported redundantly
[INFO] [stdout]   --> src/code.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use nom::lib::std::borrow::Cow;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `Cow` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ConstantPoolReader` is imported redundantly
[INFO] [stdout]   --> src/code.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 | use crate::{ConstantPoolReader, ConstantPoolReadWrite, ConstantPoolWriter, Error, read_from, ReadWrite, try_cp_read, try_cp_read_idx};
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 32 | use crate::annotation::CodeTypeAnnotation;
[INFO] [stdout] 33 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `ConstantPoolReader` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ConstantPoolWriter` is imported redundantly
[INFO] [stdout]   --> src/code.rs:31:56
[INFO] [stdout]    |
[INFO] [stdout] 31 | use crate::{ConstantPoolReader, ConstantPoolReadWrite, ConstantPoolWriter, Error, read_from, ReadWrite, try_cp_read, try_cp_read_idx};
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 32 | use crate::annotation::CodeTypeAnnotation;
[INFO] [stdout] 33 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `ConstantPoolWriter` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Error` is imported redundantly
[INFO] [stdout]   --> src/code.rs:31:76
[INFO] [stdout]    |
[INFO] [stdout] 31 | use crate::{ConstantPoolReader, ConstantPoolReadWrite, ConstantPoolWriter, Error, read_from, ReadWrite, try_cp_read, try_cp_read_idx};
[INFO] [stdout]    |                                                                            ^^^^^
[INFO] [stdout] 32 | use crate::annotation::CodeTypeAnnotation;
[INFO] [stdout] 33 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `Error` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ModuleFlags` is imported redundantly
[INFO] [stdout]   --> src/module.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 | use crate::flags::{ModuleFlags, RequireFlags};
[INFO] [stdout]    |                    ^^^^^^^^^^^
[INFO] [stdout] 27 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `ModuleFlags` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RequireFlags` is imported redundantly
[INFO] [stdout]   --> src/module.rs:26:33
[INFO] [stdout]    |
[INFO] [stdout] 26 | use crate::flags::{ModuleFlags, RequireFlags};
[INFO] [stdout]    |                                 ^^^^^^^^^^^^
[INFO] [stdout] 27 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `RequireFlags` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Code` is imported redundantly
[INFO] [stdout]   --> src/member.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use crate::code::Code;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 21 | use crate::annotation::{Annotation, AnnotationValue, FieldTypeAnnotation, MethodTypeAnnotation, ParameterAnnotations};
[INFO] [stdout] 22 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `Code` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Code` is imported redundantly
[INFO] [stdout]   --> src/tests/exec.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 | use crate::code::{Code, MemberType, MemberType::Static, GetOrPut::Get, Instruction::*};
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `Code` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `MemberType` is imported redundantly
[INFO] [stdout]   --> src/tests/exec.rs:18:25
[INFO] [stdout]    |
[INFO] [stdout] 18 | use crate::code::{Code, MemberType, MemberType::Static, GetOrPut::Get, Instruction::*};
[INFO] [stdout]    |                         ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `MemberType` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Constant` is imported redundantly
[INFO] [stdout]   --> src/tests/exec.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use crate::loadable::Constant;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `Constant` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `MemberRef` is imported redundantly
[INFO] [stdout]   --> src/tests/exec.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 | use crate::member::{MemberRef, Method, MethodAttribute};
[INFO] [stdout]    |                     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `MemberRef` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Method` is imported redundantly
[INFO] [stdout]   --> src/tests/exec.rs:20:32
[INFO] [stdout]    |
[INFO] [stdout] 20 | use crate::member::{MemberRef, Method, MethodAttribute};
[INFO] [stdout]    |                                ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `Method` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `MethodAttribute` is imported redundantly
[INFO] [stdout]   --> src/tests/exec.rs:20:40
[INFO] [stdout]    |
[INFO] [stdout] 20 | use crate::member::{MemberRef, Method, MethodAttribute};
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `MethodAttribute` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Type` is imported redundantly
[INFO] [stdout]   --> src/tests/exec.rs:21:22
[INFO] [stdout]    |
[INFO] [stdout] 21 | use crate::prelude::{Type, JavaVersion};
[INFO] [stdout]    |                      ^^^^
[INFO] [stdout] 22 | use crate::flags::{ClassFlags, MethodFlags};
[INFO] [stdout] 23 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `Type` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `JavaVersion` is imported redundantly
[INFO] [stdout]   --> src/tests/exec.rs:21:28
[INFO] [stdout]    |
[INFO] [stdout] 21 | use crate::prelude::{Type, JavaVersion};
[INFO] [stdout]    |                            ^^^^^^^^^^^
[INFO] [stdout] 22 | use crate::flags::{ClassFlags, MethodFlags};
[INFO] [stdout] 23 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `JavaVersion` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ClassFlags` is imported redundantly
[INFO] [stdout]   --> src/tests/exec.rs:22:20
[INFO] [stdout]    |
[INFO] [stdout] 22 | use crate::flags::{ClassFlags, MethodFlags};
[INFO] [stdout]    |                    ^^^^^^^^^^
[INFO] [stdout] 23 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `ClassFlags` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `MethodFlags` is imported redundantly
[INFO] [stdout]   --> src/tests/exec.rs:22:32
[INFO] [stdout]    |
[INFO] [stdout] 22 | use crate::flags::{ClassFlags, MethodFlags};
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 23 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `MethodFlags` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ConstantPoolReadWrite` is imported redundantly
[INFO] [stdout]   --> src/tests/mod.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 |     use crate::{ConstantPoolReadWrite, ConstantPoolReader, ConstantPoolWriter, ReadWrite, Class};
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     use crate::prelude::*;
[INFO] [stdout]    |         ----------------- the item `ConstantPoolReadWrite` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ConstantPoolReader` is imported redundantly
[INFO] [stdout]   --> src/tests/mod.rs:25:40
[INFO] [stdout]    |
[INFO] [stdout] 25 |     use crate::{ConstantPoolReadWrite, ConstantPoolReader, ConstantPoolWriter, ReadWrite, Class};
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     use crate::prelude::*;
[INFO] [stdout]    |         ----------------- the item `ConstantPoolReader` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ConstantPoolWriter` is imported redundantly
[INFO] [stdout]   --> src/tests/mod.rs:25:60
[INFO] [stdout]    |
[INFO] [stdout] 25 |     use crate::{ConstantPoolReadWrite, ConstantPoolReader, ConstantPoolWriter, ReadWrite, Class};
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     use crate::prelude::*;
[INFO] [stdout]    |         ----------------- the item `ConstantPoolWriter` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ReadWrite` is imported redundantly
[INFO] [stdout]   --> src/tests/mod.rs:25:80
[INFO] [stdout]    |
[INFO] [stdout] 25 |     use crate::{ConstantPoolReadWrite, ConstantPoolReader, ConstantPoolWriter, ReadWrite, Class};
[INFO] [stdout]    |                                                                                ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     use crate::prelude::*;
[INFO] [stdout]    |         ----------------- the item `ReadWrite` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]   --> src/tests/mod.rs:26:27
[INFO] [stdout]    |
[INFO] [stdout] 26 |     use std::io::{Cursor, Write};
[INFO] [stdout]    |                           ^^^^^
[INFO] [stdout] 27 |     use crate::code::{Instruction::*, Instruction::Label as Lbl, LocalType::Reference, Label};
[INFO] [stdout] 28 |     use crate::prelude::*;
[INFO] [stdout]    |         ----------------- the item `Write` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Cow` is imported redundantly
[INFO] [stdout]   --> src/tests/mod.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     use crate::prelude::*;
[INFO] [stdout]    |         ----------------- the item `Cow` is already imported here
[INFO] [stdout] 29 |     use std::borrow::Cow;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `backtrace` has been stable since 1.65.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:30:55
[INFO] [stdout]    |
[INFO] [stdout] 30 | #![cfg_attr(any(feature = "backtrace", test), feature(backtrace))]
[INFO] [stdout]    |                                                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `class_sample`
[INFO] [stdout]   --> src/tests/mod.rs:66:53
[INFO] [stdout]    |
[INFO] [stdout] 66 |         static ref SAMPLE: Vec<(String, Vec<u8>)> = class_sample::get_sample_name_bytes(2 * 1024);
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^ use of undeclared crate or module `class_sample`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0407, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0407`.
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `coffer` (lib test) due to 3 previous errors; 28 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "becebc96c398f1e7594ce6926fe554da763a34e3b5c3c34f750e1bf8392395ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "becebc96c398f1e7594ce6926fe554da763a34e3b5c3c34f750e1bf8392395ca", kill_on_drop: false }`
[INFO] [stdout] becebc96c398f1e7594ce6926fe554da763a34e3b5c3c34f750e1bf8392395ca
