[INFO] cloning repository https://github.com/Birbe/jvm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Birbe/jvm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBirbe%2Fjvm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBirbe%2Fjvm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ac32994b2004b887aa74fb7db5ceb9427cc97d2a
[INFO] testing Birbe/jvm against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBirbe%2Fjvm" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Birbe/jvm 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 git repo https://github.com/Birbe/jvm
[INFO] finished tweaking git repo https://github.com/Birbe/jvm
[INFO] tweaked toml for git repo https://github.com/Birbe/jvm written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Birbe/jvm 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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 44b89c10b23c456b1b35021c77da2764f98a195de6c318cc10d49950ed5ca43d
[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" "44b89c10b23c456b1b35021c77da2764f98a195de6c318cc10d49950ed5ca43d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44b89c10b23c456b1b35021c77da2764f98a195de6c318cc10d49950ed5ca43d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44b89c10b23c456b1b35021c77da2764f98a195de6c318cc10d49950ed5ca43d", kill_on_drop: false }`
[INFO] [stdout] 44b89c10b23c456b1b35021c77da2764f98a195de6c318cc10d49950ed5ca43d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 73049f29aa47c5fad7825fae7b71184b23c434c0d723766cc723bf9867c14dbb
[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" "73049f29aa47c5fad7825fae7b71184b23c434c0d723766cc723bf9867c14dbb", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.3.1
[INFO] [stderr]    Compiling jvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ArrayType`
[INFO] [stdout]  --> src/vm/vm.rs:1:118
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::vm::class::{Class, FieldDescriptor, MethodDescriptor, AccessFlags, RefInfoType, Method, MethodReturnType, ArrayType};
[INFO] [stdout]   |                                                                                                                      ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `object_type`
[INFO] [stdout]     --> src/vm/vm.rs:1060:49
[INFO] [stdout]      |
[INFO] [stdout] 1060 |                     FieldDescriptor::ObjectType(object_type) => {
[INFO] [stdout]      |                                                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_object_type`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/vm/vm.rs:161:30
[INFO] [stdout]     |
[INFO] [stdout] 161 |         let (header, body) = unsafe { VirtualMachine::get_array::<usize>(string_arr_ptr as *mut u8) };
[INFO] [stdout]     |                              ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/vm/vm.rs:887:38
[INFO] [stdout]     |
[INFO] [stdout] 887 |                 let (header, body) = unsafe { VirtualMachine::get_array::<usize>(arr_ptr) };
[INFO] [stdout]     |                                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.16s
[INFO] running `Command { std: "docker" "inspect" "73049f29aa47c5fad7825fae7b71184b23c434c0d723766cc723bf9867c14dbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73049f29aa47c5fad7825fae7b71184b23c434c0d723766cc723bf9867c14dbb", kill_on_drop: false }`
[INFO] [stdout] 73049f29aa47c5fad7825fae7b71184b23c434c0d723766cc723bf9867c14dbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 6fce5cbb2920ecae0414cf2f1a4411be7340c170a396fb87b487d283b191e82b
[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" "6fce5cbb2920ecae0414cf2f1a4411be7340c170a396fb87b487d283b191e82b", kill_on_drop: false }`
[INFO] [stderr]    Compiling jvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ArrayType`
[INFO] [stdout]  --> src/vm/vm.rs:1:118
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::vm::class::{Class, FieldDescriptor, MethodDescriptor, AccessFlags, RefInfoType, Method, MethodReturnType, ArrayType};
[INFO] [stdout]   |                                                                                                                      ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `object_type`
[INFO] [stdout]     --> src/vm/vm.rs:1060:49
[INFO] [stdout]      |
[INFO] [stdout] 1060 |                     FieldDescriptor::ObjectType(object_type) => {
[INFO] [stdout]      |                                                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_object_type`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/vm/vm.rs:161:30
[INFO] [stdout]     |
[INFO] [stdout] 161 |         let (header, body) = unsafe { VirtualMachine::get_array::<usize>(string_arr_ptr as *mut u8) };
[INFO] [stdout]     |                              ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/vm/vm.rs:887:38
[INFO] [stdout]     |
[INFO] [stdout] 887 |                 let (header, body) = unsafe { VirtualMachine::get_array::<usize>(arr_ptr) };
[INFO] [stdout]     |                                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ArrayType`
[INFO] [stdout]  --> src/vm/vm.rs:1:118
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::vm::class::{Class, FieldDescriptor, MethodDescriptor, AccessFlags, RefInfoType, Method, MethodReturnType, ArrayType};
[INFO] [stdout]   |                                                                                                                      ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `object_type`
[INFO] [stdout]     --> src/vm/vm.rs:1060:49
[INFO] [stdout]      |
[INFO] [stdout] 1060 |                     FieldDescriptor::ObjectType(object_type) => {
[INFO] [stdout]      |                                                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_object_type`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `base_type`
[INFO] [stdout]   --> src/lib.rs:19:46
[INFO] [stdout]    |
[INFO] [stdout] 19 |             if let FieldDescriptor::BaseType(base_type) = f {
[INFO] [stdout]    |                                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_base_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/vm/vm.rs:161:30
[INFO] [stdout]     |
[INFO] [stdout] 161 |         let (header, body) = unsafe { VirtualMachine::get_array::<usize>(string_arr_ptr as *mut u8) };
[INFO] [stdout]     |                              ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/vm/vm.rs:887:38
[INFO] [stdout]     |
[INFO] [stdout] 887 |                 let (header, body) = unsafe { VirtualMachine::get_array::<usize>(arr_ptr) };
[INFO] [stdout]     |                                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `Command { std: "docker" "inspect" "6fce5cbb2920ecae0414cf2f1a4411be7340c170a396fb87b487d283b191e82b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fce5cbb2920ecae0414cf2f1a4411be7340c170a396fb87b487d283b191e82b", kill_on_drop: false }`
[INFO] [stdout] 6fce5cbb2920ecae0414cf2f1a4411be7340c170a396fb87b487d283b191e82b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 2154530a862327b15e698f10de74f9dd9bc80733f775473148b6c22b8aa87147
[INFO] running `Command { std: "docker" "start" "-a" "2154530a862327b15e698f10de74f9dd9bc80733f775473148b6c22b8aa87147", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `ArrayType`
[INFO] [stderr]  --> src/vm/vm.rs:1:118
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::vm::class::{Class, FieldDescriptor, MethodDescriptor, AccessFlags, RefInfoType, Method, MethodReturnType, ArrayType};
[INFO] [stderr]   |                                                                                                                      ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `object_type`
[INFO] [stderr]     --> src/vm/vm.rs:1060:49
[INFO] [stderr]      |
[INFO] [stderr] 1060 |                     FieldDescriptor::ObjectType(object_type) => {
[INFO] [stderr]      |                                                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_object_type`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/vm/vm.rs:161:30
[INFO] [stderr]     |
[INFO] [stderr] 161 |         let (header, body) = unsafe { VirtualMachine::get_array::<usize>(string_arr_ptr as *mut u8) };
[INFO] [stderr]     |                              ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/vm/vm.rs:887:38
[INFO] [stderr]     |
[INFO] [stderr] 887 |                 let (header, body) = unsafe { VirtualMachine::get_array::<usize>(arr_ptr) };
[INFO] [stderr]     |                                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ArrayType`
[INFO] [stderr]  --> src/vm/vm.rs:1:118
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::vm::class::{Class, FieldDescriptor, MethodDescriptor, AccessFlags, RefInfoType, Method, MethodReturnType, ArrayType};
[INFO] [stderr]   |                                                                                                                      ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `object_type`
[INFO] [stderr]     --> src/vm/vm.rs:1060:49
[INFO] [stderr]      |
[INFO] [stderr] 1060 |                     FieldDescriptor::ObjectType(object_type) => {
[INFO] [stderr]      |                                                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_object_type`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `base_type`
[INFO] [stderr]   --> src/lib.rs:19:46
[INFO] [stderr]    |
[INFO] [stderr] 19 |             if let FieldDescriptor::BaseType(base_type) = f {
[INFO] [stderr]    |                                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_base_type`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/vm/vm.rs:161:30
[INFO] [stderr]     |
[INFO] [stderr] 161 |         let (header, body) = unsafe { VirtualMachine::get_array::<usize>(string_arr_ptr as *mut u8) };
[INFO] [stderr]     |                              ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/vm/vm.rs:887:38
[INFO] [stderr]     |
[INFO] [stderr] 887 |                 let (header, body) = unsafe { VirtualMachine::get_array::<usize>(arr_ptr) };
[INFO] [stderr]     |                                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/jvm-1c3bc70c384c9327
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::assert_field_descriptor_parse ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/jvm-d3c80d36a8ed5738
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests jvm
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2154530a862327b15e698f10de74f9dd9bc80733f775473148b6c22b8aa87147", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2154530a862327b15e698f10de74f9dd9bc80733f775473148b6c22b8aa87147", kill_on_drop: false }`
[INFO] [stdout] 2154530a862327b15e698f10de74f9dd9bc80733f775473148b6c22b8aa87147