[INFO] fetching crate wlvm 0.4.0...
[INFO] testing wlvm-0.4.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate wlvm 0.4.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate wlvm 0.4.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-1/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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.49.0" "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] e3181f665b12bb628a90dd5b513fcb4117d341ffe4f743e6aa98c305b7a2d3e0
[INFO] running `Command { std: "docker" "start" "-a" "e3181f665b12bb628a90dd5b513fcb4117d341ffe4f743e6aa98c305b7a2d3e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3181f665b12bb628a90dd5b513fcb4117d341ffe4f743e6aa98c305b7a2d3e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3181f665b12bb628a90dd5b513fcb4117d341ffe4f743e6aa98c305b7a2d3e0", kill_on_drop: false }`
[INFO] [stdout] e3181f665b12bb628a90dd5b513fcb4117d341ffe4f743e6aa98c305b7a2d3e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96de6cdfd540d845d53a0ae25eb03d56e4632f9930e32bafdf1cc0eaa67fb80c
[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" "96de6cdfd540d845d53a0ae25eb03d56e4632f9930e32bafdf1cc0eaa67fb80c", 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 2.36s
[INFO] running `Command { std: "docker" "inspect" "96de6cdfd540d845d53a0ae25eb03d56e4632f9930e32bafdf1cc0eaa67fb80c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96de6cdfd540d845d53a0ae25eb03d56e4632f9930e32bafdf1cc0eaa67fb80c", kill_on_drop: false }`
[INFO] [stdout] 96de6cdfd540d845d53a0ae25eb03d56e4632f9930e32bafdf1cc0eaa67fb80c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66c4c260eb7fb04b68bc69b2a0896a6d39711e8e1590edd1c108b403b7f8ae49
[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" "66c4c260eb7fb04b68bc69b2a0896a6d39711e8e1590edd1c108b403b7f8ae49", 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 2.28s
[INFO] running `Command { std: "docker" "inspect" "66c4c260eb7fb04b68bc69b2a0896a6d39711e8e1590edd1c108b403b7f8ae49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66c4c260eb7fb04b68bc69b2a0896a6d39711e8e1590edd1c108b403b7f8ae49", kill_on_drop: false }`
[INFO] [stdout] 66c4c260eb7fb04b68bc69b2a0896a6d39711e8e1590edd1c108b403b7f8ae49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.49.0" "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] 6101fde53212f9819e5ca060b2bc8a3eab2223490dce41781dbd79bc2c270479
[INFO] running `Command { std: "docker" "start" "-a" "6101fde53212f9819e5ca060b2bc8a3eab2223490dce41781dbd79bc2c270479", 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 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/wlvm-c7c004806e4d9e5f
[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::jump ... ok
[INFO] [stdout] test tests::test::labels ... ok
[INFO] [stdout] test tests::test::registers_add ... ok
[INFO] [stdout] test tests::test::registers_mul ... ok
[INFO] [stdout] test tests::test::lower_than ... ok
[INFO] [stdout] test tests::test::registers_moving ... ok
[INFO] [stdout] test tests::test::non_equality ... ok
[INFO] [stdout] test tests::test::registers_sub ... ok
[INFO] [stdout] test tests::test::lower_or_equal ... 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::halt_program ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6101fde53212f9819e5ca060b2bc8a3eab2223490dce41781dbd79bc2c270479", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6101fde53212f9819e5ca060b2bc8a3eab2223490dce41781dbd79bc2c270479", kill_on_drop: false }`
[INFO] [stdout] 6101fde53212f9819e5ca060b2bc8a3eab2223490dce41781dbd79bc2c270479