[INFO] fetching crate wlvm 0.4.0...
[INFO] testing wlvm-0.4.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate wlvm 0.4.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate wlvm 0.4.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wlvm 0.4.0
[INFO] finished tweaking crates.io crate wlvm 0.4.0
[INFO] tweaked toml for crates.io crate wlvm 0.4.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate wlvm 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee933a8ca685b5aea3a820277d272d329f55193d4d6a679dd0f3c31575909ddd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ee933a8ca685b5aea3a820277d272d329f55193d4d6a679dd0f3c31575909ddd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee933a8ca685b5aea3a820277d272d329f55193d4d6a679dd0f3c31575909ddd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee933a8ca685b5aea3a820277d272d329f55193d4d6a679dd0f3c31575909ddd", kill_on_drop: false }`
[INFO] [stdout] ee933a8ca685b5aea3a820277d272d329f55193d4d6a679dd0f3c31575909ddd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f301de04c08c258a5aa5b67f15415cd9582fb632c555e4dd57894b640e875cb5
[INFO] running `Command { std: "docker" "start" "-a" "f301de04c08c258a5aa5b67f15415cd9582fb632c555e4dd57894b640e875cb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling wlvm v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/parser.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `*`, `Instruction::*`, `Register::*`
[INFO] [stdout]  --> src/tests.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{Instruction::*, Register::*, *};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^  ^^^^^^^^^^^  ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `Command { std: "docker" "inspect" "f301de04c08c258a5aa5b67f15415cd9582fb632c555e4dd57894b640e875cb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f301de04c08c258a5aa5b67f15415cd9582fb632c555e4dd57894b640e875cb5", kill_on_drop: false }`
[INFO] [stdout] f301de04c08c258a5aa5b67f15415cd9582fb632c555e4dd57894b640e875cb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 689a5d75fa10d8beb027dd72f895fcc6acce1b574a3781f1ffecf891f766383b
[INFO] running `Command { std: "docker" "start" "-a" "689a5d75fa10d8beb027dd72f895fcc6acce1b574a3781f1ffecf891f766383b", kill_on_drop: false }`
[INFO] [stderr]    Compiling wlvm v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/parser.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Instruction::*`, `Register::*`
[INFO] [stdout]  --> src/tests.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{Instruction::*, Register::*, *};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `Command { std: "docker" "inspect" "689a5d75fa10d8beb027dd72f895fcc6acce1b574a3781f1ffecf891f766383b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "689a5d75fa10d8beb027dd72f895fcc6acce1b574a3781f1ffecf891f766383b", kill_on_drop: false }`
[INFO] [stdout] 689a5d75fa10d8beb027dd72f895fcc6acce1b574a3781f1ffecf891f766383b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ccbd62fbb1f06b22e8eb3fa171fec7c34056da97d48b54dd83b5682ea80371b5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ccbd62fbb1f06b22e8eb3fa171fec7c34056da97d48b54dd83b5682ea80371b5", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stdout] running 16 tests
[INFO] [stderr]  --> src/parser.rs:3:5
[INFO] [stdout] test tests::test::halt_program ... ok
[INFO] [stderr]   |
[INFO] [stdout] test tests::test::lower_than ... ok
[INFO] [stderr] 3 | use std::fs;
[INFO] [stdout] test tests::test::non_equality ... ok
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stdout] test tests::test::lower_or_equal ... ok
[INFO] [stderr]   |
[INFO] [stdout] test tests::test::stack ... ok
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] test tests::test::registers_add ... ok
[INFO] [stderr] 
[INFO] [stdout] test tests::test::registers_div ... ok
[INFO] [stderr] warning: unused imports: `Instruction::*`, `Register::*`
[INFO] [stderr]  --> src/tests.rs:1:13
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::{Instruction::*, Register::*, *};
[INFO] [stderr]   |             ^^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `wlvm` (bin "wlvm" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wlvm-f0c7678684912293)
[INFO] [stdout] test tests::test::greater_than ... ok
[INFO] [stdout] test tests::test::validation ... ok
[INFO] [stdout] test tests::test::greater_or_equal ... ok
[INFO] [stdout] test tests::test::registers_sub ... ok
[INFO] [stdout] test tests::test::labels ... ok
[INFO] [stdout] test tests::test::equality ... ok
[INFO] [stdout] test tests::test::registers_mul ... ok
[INFO] [stdout] test tests::test::registers_moving ... ok
[INFO] [stdout] test tests::test::jump ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ccbd62fbb1f06b22e8eb3fa171fec7c34056da97d48b54dd83b5682ea80371b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccbd62fbb1f06b22e8eb3fa171fec7c34056da97d48b54dd83b5682ea80371b5", kill_on_drop: false }`
[INFO] [stdout] ccbd62fbb1f06b22e8eb3fa171fec7c34056da97d48b54dd83b5682ea80371b5