[INFO] fetching crate unfuck 0.3.0...
[INFO] checking unfuck-0.3.0 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate unfuck 0.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate unfuck 0.3.0 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unfuck 0.3.0
[INFO] finished tweaking crates.io crate unfuck 0.3.0
[INFO] tweaked toml for crates.io crate unfuck 0.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate unfuck 0.3.0 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" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f1bb3165861b628d8685dba8b329acbd1264bac6874b865e3bc3adca2e06a15
[INFO] running `Command { std: "docker" "start" "-a" "8f1bb3165861b628d8685dba8b329acbd1264bac6874b865e3bc3adca2e06a15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f1bb3165861b628d8685dba8b329acbd1264bac6874b865e3bc3adca2e06a15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f1bb3165861b628d8685dba8b329acbd1264bac6874b865e3bc3adca2e06a15", kill_on_drop: false }`
[INFO] [stdout] 8f1bb3165861b628d8685dba8b329acbd1264bac6874b865e3bc3adca2e06a15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 325d3269c3783af234000dbcffbda0875e6aa42606eaad707a1ef5c233855d17
[INFO] running `Command { std: "docker" "start" "-a" "325d3269c3783af234000dbcffbda0875e6aa42606eaad707a1ef5c233855d17", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling cpython v0.5.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking bzip2 v0.4.3
[INFO] [stderr]     Checking pretty-hex v0.2.1
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking simple_logger v1.12.1
[INFO] [stderr]     Checking simplelog v0.8.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]     Checking stfu8 v0.2.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling enum-primitive-derive v0.2.1
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]    Compiling python27-sys v0.5.2
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking pydis v0.4.0
[INFO] [stderr]     Checking zip v0.5.13
[INFO] [stderr]     Checking structopt v0.3.22
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking py27-marshal v0.3.4
[INFO] [stderr]     Checking unfuck v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read src/../test_data/obfuscated/compileall_stage4.pyc: No such file or directory (os error 2)
[INFO] [stdout]     --> src/code_graph.rs:1895:26
[INFO] [stdout]      |
[INFO] [stdout] 1895 |         let obfuscated = include_bytes!("../test_data/obfuscated/compileall_stage4.pyc");
[INFO] [stdout]      |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `include_bytes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/../test_data/expected/compileall.pyc: No such file or directory (os error 2)
[INFO] [stdout]     --> src/code_graph.rs:1896:31
[INFO] [stdout]      |
[INFO] [stdout] 1896 |         let source_of_truth = include_bytes!("../test_data/expected/compileall.pyc");
[INFO] [stdout]      |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `include_bytes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]     --> src/code_graph.rs:1033:9
[INFO] [stdout]      |
[INFO] [stdout] 1033 |         'node_visitor: while let Some(nx) = node_queue.pop() {
[INFO] [stdout]      |         ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]     --> src/code_graph.rs:1033:9
[INFO] [stdout]      |
[INFO] [stdout] 1033 |         'node_visitor: while let Some(nx) = node_queue.pop() {
[INFO] [stdout]      |         ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `deob`
[INFO] [stdout]     --> src/code_graph.rs:1605:38
[INFO] [stdout]      |
[INFO] [stdout] 1605 |     use crate::{Deobfuscator, Instr, deob};
[INFO] [stdout]      |                                      ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `map_first_last` has been stable since 1.66.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(map_first_last)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `map_first_last` has been stable since 1.66.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(map_first_last)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]     --> src/code_graph.rs:1196:17
[INFO] [stdout]      |
[INFO] [stdout] 1195 |                   break;
[INFO] [stdout]      |                   ----- any code following this expression is unreachable
[INFO] [stdout] 1196 | /                 current_node
[INFO] [stdout] 1197 | |                     .instrs
[INFO] [stdout] 1198 | |                     .push(ParsedInstr::Good(Arc::new(Instruction {
[INFO] [stdout] 1199 | |                         opcode: Mnemonic::POP_TOP.into(),
[INFO] [stdout] 1200 | |                         arg: None,
[INFO] [stdout] 1201 | |                     })));
[INFO] [stdout]      | |_________________________^ unreachable statement
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]     --> src/code_graph.rs:1453:17
[INFO] [stdout]      |
[INFO] [stdout] 1452 |                 panic!("yo");
[INFO] [stdout]      |                 ------------ any code following this expression is unreachable
[INFO] [stdout] 1453 |                 source_or_target_is_permanent_jump_forward = true;
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]     --> src/code_graph.rs:1458:17
[INFO] [stdout]      |
[INFO] [stdout] 1457 |                 panic!("yo2");
[INFO] [stdout]      |                 ------------- any code following this expression is unreachable
[INFO] [stdout] 1458 |                 source_or_target_is_permanent_jump_forward = true;
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]     --> src/code_graph.rs:1196:17
[INFO] [stdout]      |
[INFO] [stdout] 1195 |                   break;
[INFO] [stdout]      |                   ----- any code following this expression is unreachable
[INFO] [stdout] 1196 | /                 current_node
[INFO] [stdout] 1197 | |                     .instrs
[INFO] [stdout] 1198 | |                     .push(ParsedInstr::Good(Arc::new(Instruction {
[INFO] [stdout] 1199 | |                         opcode: Mnemonic::POP_TOP.into(),
[INFO] [stdout] 1200 | |                         arg: None,
[INFO] [stdout] 1201 | |                     })));
[INFO] [stdout]      | |_________________________^ unreachable statement
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]     --> src/code_graph.rs:1453:17
[INFO] [stdout]      |
[INFO] [stdout] 1452 |                 panic!("yo");
[INFO] [stdout]      |                 ------------ any code following this expression is unreachable
[INFO] [stdout] 1453 |                 source_or_target_is_permanent_jump_forward = true;
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]     --> src/code_graph.rs:1458:17
[INFO] [stdout]      |
[INFO] [stdout] 1457 |                 panic!("yo2");
[INFO] [stdout]      |                 ------------- any code following this expression is unreachable
[INFO] [stdout] 1458 |                 source_or_target_is_permanent_jump_forward = true;
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]   --> src/smallvm.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::io::{Cursor, Read};
[INFO] [stdout]    |                       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/code_graph.rs:1446:17
[INFO] [stdout]      |
[INFO] [stdout] 1446 |             let mut source_or_target_is_permanent_jump_forward = false;
[INFO] [stdout]      |                 ----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]   --> src/smallvm.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::io::{Cursor, Read};
[INFO] [stdout]    |                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `unfuck` (lib test) due to 3 previous errors; 7 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `callback`
[INFO] [stdout]   --> src/lib.rs:53:29
[INFO] [stdout]    |
[INFO] [stdout] 53 |                 if let Some(callback) = &self.on_graph_generated {
[INFO] [stdout]    |                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_callback`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `clear_flags` and `insert_jump_0` are never used
[INFO] [stdout]     --> src/code_graph.rs:763:19
[INFO] [stdout]      |
[INFO] [stdout] 176  | impl<'a, TargetOpcode: 'static + Opcode<Mnemonic = py27::Mnemonic> + PartialEq> CodeGraph<'a, TargetOpcode> {
[INFO] [stdout]      | ----------------------------------------------------------------------------------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 763  |     pub(crate) fn clear_flags(&mut self, root: NodeIndex, flags: BasicBlockFlags) {
[INFO] [stdout]      |                   ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1235 |     pub(crate) fn insert_jump_0(&mut self) {
[INFO] [stdout]      |                   ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `remove_bad_instructions_behind_offset` is never used
[INFO] [stdout]     --> src/smallvm.rs:1808:4
[INFO] [stdout]      |
[INFO] [stdout] 1808 | fn remove_bad_instructions_behind_offset<O: Opcode<Mnemonic = py27::Mnemonic>>(
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "325d3269c3783af234000dbcffbda0875e6aa42606eaad707a1ef5c233855d17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "325d3269c3783af234000dbcffbda0875e6aa42606eaad707a1ef5c233855d17", kill_on_drop: false }`
[INFO] [stdout] 325d3269c3783af234000dbcffbda0875e6aa42606eaad707a1ef5c233855d17
