[INFO] fetching crate dark-vm 0.4.3...
[INFO] testing dark-vm-0.4.3 against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] extracting crate dark-vm 0.4.3 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate dark-vm 0.4.3
[INFO] finished tweaking crates.io crate dark-vm 0.4.3
[INFO] tweaked toml for crates.io crate dark-vm 0.4.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dark-vm 0.4.3 on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dark-vm 0.4.3 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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8679661d9d744b731a88f004dd8fb9c0baee17eee4ae0791dad4f6b0ecb4a25
[INFO] running `Command { std: "docker" "start" "-a" "b8679661d9d744b731a88f004dd8fb9c0baee17eee4ae0791dad4f6b0ecb4a25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8679661d9d744b731a88f004dd8fb9c0baee17eee4ae0791dad4f6b0ecb4a25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8679661d9d744b731a88f004dd8fb9c0baee17eee4ae0791dad4f6b0ecb4a25", kill_on_drop: false }`
[INFO] [stdout] b8679661d9d744b731a88f004dd8fb9c0baee17eee4ae0791dad4f6b0ecb4a25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75eea8a97752eb4c1638b070eec172507b857ad9cbac9344315f1ff124bfd4a5
[INFO] running `Command { std: "docker" "start" "-a" "75eea8a97752eb4c1638b070eec172507b857ad9cbac9344315f1ff124bfd4a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling dark-vm v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "75eea8a97752eb4c1638b070eec172507b857ad9cbac9344315f1ff124bfd4a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75eea8a97752eb4c1638b070eec172507b857ad9cbac9344315f1ff124bfd4a5", kill_on_drop: false }`
[INFO] [stdout] 75eea8a97752eb4c1638b070eec172507b857ad9cbac9344315f1ff124bfd4a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71e72eb490ae0de4ca1f80e6907746d20ff3273da0bdbf67209c4ad7b6fe9a75
[INFO] running `Command { std: "docker" "start" "-a" "71e72eb490ae0de4ca1f80e6907746d20ff3273da0bdbf67209c4ad7b6fe9a75", kill_on_drop: false }`
[INFO] [stderr]    Compiling dark-vm v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "71e72eb490ae0de4ca1f80e6907746d20ff3273da0bdbf67209c4ad7b6fe9a75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71e72eb490ae0de4ca1f80e6907746d20ff3273da0bdbf67209c4ad7b6fe9a75", kill_on_drop: false }`
[INFO] [stdout] 71e72eb490ae0de4ca1f80e6907746d20ff3273da0bdbf67209c4ad7b6fe9a75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 013e01c76f2d02800822583ecfa36c85c0302efe67b29a2e0fd4f0ffa1633c1d
[INFO] running `Command { std: "docker" "start" "-a" "013e01c76f2d02800822583ecfa36c85c0302efe67b29a2e0fd4f0ffa1633c1d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dark_vm-f91913ff33be720f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/dark_vm-cd15498ffb08a1e3)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dark_vm
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - vm (line 33) ... FAILED
[INFO] [stdout] test src/lib.rs - lexer (line 23) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - vm (line 33) stdout ----
[INFO] [stdout] error[E0425]: cannot find type `Error` in this scope
[INFO] [stdout]   --> src/lib.rs:34:24
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn run() -> Result<(), Error> {
[INFO] [stdout]    |                        ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 33 + use std::error::Error;
[INFO] [stdout]    |
[INFO] [stdout] 33 + use std::fmt::Error;
[INFO] [stdout]    |
[INFO] [stdout] 33 + use std::io::Error;
[INFO] [stdout]    |
[INFO] [stdout] 33 + use core::error::Error;
[INFO] [stdout]    |
[INFO] [stdout]    = and 2 other candidates
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Lexer`
[INFO] [stdout]   --> src/lib.rs:36:14
[INFO] [stdout]    |
[INFO] [stdout] 36 | let tokens = Lexer::new().lex(contents)?;
[INFO] [stdout]    |              ^^^^^ use of undeclared type `Lexer`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 33 + use dark_vm::lexer::Lexer;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `VM`
[INFO] [stdout]   --> src/lib.rs:37:14
[INFO] [stdout]    |
[INFO] [stdout] 37 | let result = VM::new(tokens).run()?;
[INFO] [stdout]    |              ^^ use of undeclared type `VM`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 33 + use dark_vm::vm::VM;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - lexer (line 23) stdout ----
[INFO] [stdout] error[E0425]: cannot find type `Error` in this scope
[INFO] [stdout]   --> src/lib.rs:24:24
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn run() -> Result<(), Error> {
[INFO] [stdout]    |                        ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 23 + use std::error::Error;
[INFO] [stdout]    |
[INFO] [stdout] 23 + use std::fmt::Error;
[INFO] [stdout]    |
[INFO] [stdout] 23 + use std::io::Error;
[INFO] [stdout]    |
[INFO] [stdout] 23 + use core::error::Error;
[INFO] [stdout]    |
[INFO] [stdout]    = and 2 other candidates
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Lexer`
[INFO] [stdout]   --> src/lib.rs:26:14
[INFO] [stdout]    |
[INFO] [stdout] 26 | let tokens = Lexer::default().lex(contents)?;
[INFO] [stdout]    |              ^^^^^ use of undeclared type `Lexer`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 23 + use dark_vm::lexer::Lexer;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - lexer (line 23)
[INFO] [stdout]     src/lib.rs - vm (line 33)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "013e01c76f2d02800822583ecfa36c85c0302efe67b29a2e0fd4f0ffa1633c1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "013e01c76f2d02800822583ecfa36c85c0302efe67b29a2e0fd4f0ffa1633c1d", kill_on_drop: false }`
[INFO] [stdout] 013e01c76f2d02800822583ecfa36c85c0302efe67b29a2e0fd4f0ffa1633c1d
