[INFO] fetching crate unfuck 0.3.0...
[INFO] testing unfuck-0.3.0 against 1.69.0 for beta-1.70-1
[INFO] extracting crate unfuck 0.3.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate unfuck 0.3.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "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-6-tc1/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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simple_logger v1.12.1
[INFO] [stderr]   Downloaded pretty-hex v0.2.1
[INFO] [stderr]   Downloaded enum-primitive-derive v0.2.1
[INFO] [stderr]   Downloaded stfu8 v0.2.4
[INFO] [stderr]   Downloaded cpython v0.5.2
[INFO] [stderr]   Downloaded pydis v0.4.0
[INFO] [stderr]   Downloaded python27-sys v0.5.2
[INFO] [stderr]   Downloaded py27-marshal v0.3.4
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db497920dd9de973d557a356216a2fb748ae306e2d5065e5811c37a4e7a4d737
[INFO] running `Command { std: "docker" "start" "-a" "db497920dd9de973d557a356216a2fb748ae306e2d5065e5811c37a4e7a4d737", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db497920dd9de973d557a356216a2fb748ae306e2d5065e5811c37a4e7a4d737", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db497920dd9de973d557a356216a2fb748ae306e2d5065e5811c37a4e7a4d737", kill_on_drop: false }`
[INFO] [stdout] db497920dd9de973d557a356216a2fb748ae306e2d5065e5811c37a4e7a4d737
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a081548fbb596b825ab8ab13fca35dd3090e2bbcf5c7595ffb2c8b0da7de571
[INFO] running `Command { std: "docker" "start" "-a" "5a081548fbb596b825ab8ab13fca35dd3090e2bbcf5c7595ffb2c8b0da7de571", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling cpython v0.5.2
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling paste v0.1.18
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling simple_logger v1.12.1
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling crossbeam v0.8.1
[INFO] [stderr]    Compiling bzip2 v0.4.3
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling simplelog v0.8.0
[INFO] [stderr]    Compiling pretty-hex v0.2.1
[INFO] [stderr]    Compiling stfu8 v0.2.4
[INFO] [stderr]    Compiling python27-sys v0.5.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling enum-primitive-derive v0.2.1
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling pydis v0.4.0
[INFO] [stderr]    Compiling zip v0.5.13
[INFO] [stderr]    Compiling structopt v0.3.22
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling py27-marshal v0.3.4
[INFO] [stderr]    Compiling unfuck v0.3.0 (/opt/rustwide/workdir)
[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] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(get_mut_unchecked)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(map_first_last)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[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: 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] error: aborting due to 2 previous errors; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `unfuck` due to 3 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "5a081548fbb596b825ab8ab13fca35dd3090e2bbcf5c7595ffb2c8b0da7de571", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a081548fbb596b825ab8ab13fca35dd3090e2bbcf5c7595ffb2c8b0da7de571", kill_on_drop: false }`
[INFO] [stdout] 5a081548fbb596b825ab8ab13fca35dd3090e2bbcf5c7595ffb2c8b0da7de571
