[INFO] fetching crate wlvm 0.4.0...
[INFO] testing wlvm-0.4.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate wlvm 0.4.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate wlvm 0.4.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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-9/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" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", 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] 91a25112e8463f8ec9a58db4f823eb5ccdf890752eaf5b5b35cc8657a82d5458
[INFO] running `Command { std: "docker" "start" "-a" "91a25112e8463f8ec9a58db4f823eb5ccdf890752eaf5b5b35cc8657a82d5458", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91a25112e8463f8ec9a58db4f823eb5ccdf890752eaf5b5b35cc8657a82d5458", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91a25112e8463f8ec9a58db4f823eb5ccdf890752eaf5b5b35cc8657a82d5458", kill_on_drop: false }`
[INFO] [stdout] 91a25112e8463f8ec9a58db4f823eb5ccdf890752eaf5b5b35cc8657a82d5458
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8daed8bd1b0a42e2cb479f4f75336821d509ffef07331eef3bded61a574182d
[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" "d8daed8bd1b0a42e2cb479f4f75336821d509ffef07331eef3bded61a574182d", 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 2.15s
[INFO] running `Command { std: "docker" "inspect" "d8daed8bd1b0a42e2cb479f4f75336821d509ffef07331eef3bded61a574182d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8daed8bd1b0a42e2cb479f4f75336821d509ffef07331eef3bded61a574182d", kill_on_drop: false }`
[INFO] [stdout] d8daed8bd1b0a42e2cb479f4f75336821d509ffef07331eef3bded61a574182d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94552a4f4350547e11d8474509f652954911d3b0dfdbe43feeacb5f33b0ed3f2
[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" "94552a4f4350547e11d8474509f652954911d3b0dfdbe43feeacb5f33b0ed3f2", 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 2.04s
[INFO] running `Command { std: "docker" "inspect" "94552a4f4350547e11d8474509f652954911d3b0dfdbe43feeacb5f33b0ed3f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94552a4f4350547e11d8474509f652954911d3b0dfdbe43feeacb5f33b0ed3f2", kill_on_drop: false }`
[INFO] [stdout] 94552a4f4350547e11d8474509f652954911d3b0dfdbe43feeacb5f33b0ed3f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", 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] a4d4ebe372a0968e0cb94294b83ce811710e11ee6cbf87b934e826b235bcaf55
[INFO] running `Command { std: "docker" "start" "-a" "a4d4ebe372a0968e0cb94294b83ce811710e11ee6cbf87b934e826b235bcaf55", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]  --> src/parser.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/wlvm-ffa3f8e639e294b1
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test tests::test::equality ... ok
[INFO] [stdout] test tests::test::greater_or_equal ... ok
[INFO] [stdout] test tests::test::greater_than ... ok
[INFO] [stdout] test tests::test::halt_program ... ok
[INFO] [stdout] test tests::test::registers_add ... ok
[INFO] [stdout] test tests::test::registers_div ... ok
[INFO] [stdout] test tests::test::stack ... ok
[INFO] [stdout] test tests::test::validation ... ok
[INFO] [stdout] test tests::test::registers_sub ... ok
[INFO] [stdout] test tests::test::registers_mul ... ok
[INFO] [stdout] test tests::test::non_equality ... ok
[INFO] [stdout] test tests::test::registers_moving ... ok
[INFO] [stdout] test tests::test::labels ... ok
[INFO] [stdout] test tests::test::lower_or_equal ... ok
[INFO] [stdout] test tests::test::lower_than ... 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" "a4d4ebe372a0968e0cb94294b83ce811710e11ee6cbf87b934e826b235bcaf55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4d4ebe372a0968e0cb94294b83ce811710e11ee6cbf87b934e826b235bcaf55", kill_on_drop: false }`
[INFO] [stdout] a4d4ebe372a0968e0cb94294b83ce811710e11ee6cbf87b934e826b235bcaf55