[INFO] fetching crate wlvm 0.4.0...
[INFO] testing wlvm-0.4.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate wlvm 0.4.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate wlvm 0.4.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-2/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a3345a7fd9d8e42ea2e2904b273b02c4c9c6ef3b0c8145965a3042e58c21cdc
[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" "9a3345a7fd9d8e42ea2e2904b273b02c4c9c6ef3b0c8145965a3042e58c21cdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a3345a7fd9d8e42ea2e2904b273b02c4c9c6ef3b0c8145965a3042e58c21cdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a3345a7fd9d8e42ea2e2904b273b02c4c9c6ef3b0c8145965a3042e58c21cdc", kill_on_drop: false }`
[INFO] [stdout] 9a3345a7fd9d8e42ea2e2904b273b02c4c9c6ef3b0c8145965a3042e58c21cdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1d3cbfaec201bf160350d3bfaae955d238a3295370c10f796752b5a6d5347fe
[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" "d1d3cbfaec201bf160350d3bfaae955d238a3295370c10f796752b5a6d5347fe", 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 1.18s
[INFO] running `Command { std: "docker" "inspect" "d1d3cbfaec201bf160350d3bfaae955d238a3295370c10f796752b5a6d5347fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1d3cbfaec201bf160350d3bfaae955d238a3295370c10f796752b5a6d5347fe", kill_on_drop: false }`
[INFO] [stdout] d1d3cbfaec201bf160350d3bfaae955d238a3295370c10f796752b5a6d5347fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] b48ee1fc0c0285136b66da73d36c811cd2df655ed0040dcf7f05533c4626f789
[INFO] running `Command { std: "docker" "start" "-a" "b48ee1fc0c0285136b66da73d36c811cd2df655ed0040dcf7f05533c4626f789", 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 0.80s
[INFO] running `Command { std: "docker" "inspect" "b48ee1fc0c0285136b66da73d36c811cd2df655ed0040dcf7f05533c4626f789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b48ee1fc0c0285136b66da73d36c811cd2df655ed0040dcf7f05533c4626f789", kill_on_drop: false }`
[INFO] [stdout] b48ee1fc0c0285136b66da73d36c811cd2df655ed0040dcf7f05533c4626f789
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] ec60298320617727de903df9c82c51af882025836829e17754d14a77dde1a496
[INFO] running `Command { std: "docker" "start" "-a" "ec60298320617727de903df9c82c51af882025836829e17754d14a77dde1a496", 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: `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-7b463bebb4af48d3)
[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::lower_or_equal ... ok
[INFO] [stdout] test tests::test::lower_than ... ok
[INFO] [stdout] test tests::test::registers_add ... ok
[INFO] [stdout] test tests::test::labels ... ok
[INFO] [stdout] test tests::test::registers_moving ... ok
[INFO] [stdout] test tests::test::registers_mul ... ok
[INFO] [stdout] test tests::test::registers_sub ... ok
[INFO] [stdout] test tests::test::validation ... ok
[INFO] [stdout] test tests::test::non_equality ... ok
[INFO] [stdout] test tests::test::registers_div ... ok
[INFO] [stdout] test tests::test::stack ... 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 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ec60298320617727de903df9c82c51af882025836829e17754d14a77dde1a496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec60298320617727de903df9c82c51af882025836829e17754d14a77dde1a496", kill_on_drop: false }`
[INFO] [stdout] ec60298320617727de903df9c82c51af882025836829e17754d14a77dde1a496