[INFO] cloning repository https://github.com/wbjohnston/mips
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wbjohnston/mips" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwbjohnston%2Fmips", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwbjohnston%2Fmips'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bef51cc8bc9c92f12abdf6881460db3a4a181401
[INFO] testing wbjohnston/mips against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwbjohnston%2Fmips" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wbjohnston/mips on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wbjohnston/mips
[INFO] finished tweaking git repo https://github.com/wbjohnston/mips
[INFO] tweaked toml for git repo https://github.com/wbjohnston/mips written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/wbjohnston/mips already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c7f1d060610f3a64e9afe47934d19ea9f0b59a679d0ea58e678531708d07263
[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" "4c7f1d060610f3a64e9afe47934d19ea9f0b59a679d0ea58e678531708d07263", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c7f1d060610f3a64e9afe47934d19ea9f0b59a679d0ea58e678531708d07263", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c7f1d060610f3a64e9afe47934d19ea9f0b59a679d0ea58e678531708d07263", kill_on_drop: false }`
[INFO] [stdout] 4c7f1d060610f3a64e9afe47934d19ea9f0b59a679d0ea58e678531708d07263
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] 3c15d1f2812fb7ab452d477d6b3aeeafca382580967ebdce3b03cd72abaf22ff
[INFO] running `Command { std: "docker" "start" "-a" "3c15d1f2812fb7ab452d477d6b3aeeafca382580967ebdce3b03cd72abaf22ff", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling byteorder v1.1.0
[INFO] [stderr]    Compiling mips v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.95s
[INFO] running `Command { std: "docker" "inspect" "3c15d1f2812fb7ab452d477d6b3aeeafca382580967ebdce3b03cd72abaf22ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c15d1f2812fb7ab452d477d6b3aeeafca382580967ebdce3b03cd72abaf22ff", kill_on_drop: false }`
[INFO] [stdout] 3c15d1f2812fb7ab452d477d6b3aeeafca382580967ebdce3b03cd72abaf22ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d378ff86407d47a8cffccc56da2a07f7100672e5b66f22ff73ed4c6baf85d75
[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" "8d378ff86407d47a8cffccc56da2a07f7100672e5b66f22ff73ed4c6baf85d75", kill_on_drop: false }`
[INFO] [stderr]    Compiling mips v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::convert::From::from` that must be used
[INFO] [stdout]    --> src/core/isa/function_code.rs:260:9
[INFO] [stdout]     |
[INFO] [stdout] 260 |         FunctionCode::from(encoded);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.29s
[INFO] running `Command { std: "docker" "inspect" "8d378ff86407d47a8cffccc56da2a07f7100672e5b66f22ff73ed4c6baf85d75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d378ff86407d47a8cffccc56da2a07f7100672e5b66f22ff73ed4c6baf85d75", kill_on_drop: false }`
[INFO] [stdout] 8d378ff86407d47a8cffccc56da2a07f7100672e5b66f22ff73ed4c6baf85d75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] 5e5811a953c6d1f0bfec357fb16b93c589b0a2f839193fbfe2309c08cd686cea
[INFO] running `Command { std: "docker" "start" "-a" "5e5811a953c6d1f0bfec357fb16b93c589b0a2f839193fbfe2309c08cd686cea", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `std::convert::From::from` that must be used
[INFO] [stderr]    --> src/core/isa/function_code.rs:260:9
[INFO] [stderr]     |
[INFO] [stderr] 260 |         FunctionCode::from(encoded);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mips` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/core-be76c831f2cce544)
[INFO] [stdout] 
[INFO] [stdout] running 39 tests
[INFO] [stdout] test isa::function_code::test::decode_add ... ok
[INFO] [stdout] test isa::function_code::test::decode_addu ... ok
[INFO] [stdout] test isa::function_code::test::decode_and ... ok
[INFO] [stdout] test isa::function_code::test::decode_divu ... ok
[INFO] [stdout] test isa::function_code::test::decode_mfhi ... ok
[INFO] [stdout] test isa::function_code::test::decode_slt ... ok
[INFO] [stdout] test isa::function_code::test::decode_sll ... ok
[INFO] [stdout] test isa::function_code::test::decode_nor ... ok
[INFO] [stdout] test isa::function_code::test::decode_sub ... ok
[INFO] [stdout] test isa::function_code::test::decode_srl ... ok
[INFO] [stdout] test isa::instruction::test::decode_r_instruction ... ok
[INFO] [stdout] test isa::function_code::test::decode_multu ... ok
[INFO] [stdout] test isa::opcode::test::decode_addiu ... ok
[INFO] [stdout] test isa::opcode::test::decode_andi ... ok
[INFO] [stdout] test isa::function_code::test::decode_mflo ... ok
[INFO] [stdout] test isa::opcode::test::decode_j ... ok
[INFO] [stdout] test isa::opcode::test::decode_jal ... ok
[INFO] [stdout] test isa::opcode::test::decode_lbu ... ok
[INFO] [stdout] test isa::opcode::test::decode_lhu ... ok
[INFO] [stdout] test isa::opcode::test::decode_lui ... ok
[INFO] [stdout] test isa::opcode::test::decode_lw ... ok
[INFO] [stdout] test isa::opcode::test::decode_ori ... ok
[INFO] [stdout] test isa::opcode::test::decode_sb ... ok
[INFO] [stdout] test isa::opcode::test::decode_sh ... ok
[INFO] [stdout] test isa::opcode::test::decode_sw ... ok
[INFO] [stdout] test isa::opcode::test::decode_addi ... ok
[INFO] [stdout] test isa::function_code::test::decode_div ... ok
[INFO] [stdout] test isa::function_code::test::decode_sra ... ok
[INFO] [stdout] test isa::instruction::test::decode_j_instruction ... ok
[INFO] [stdout] test isa::opcode::test::decode_beq ... ok
[INFO] [stdout] test isa::instruction::test::decode_i_instruction ... ok
[INFO] [stdout] test isa::opcode::test::decode_slti ... ok
[INFO] [stdout] test isa::function_code::test::decode_xor ... ok
[INFO] [stdout] test isa::opcode::test::decode_bne ... ok
[INFO] [stdout] test isa::function_code::test::decode_subu ... ok
[INFO] [stdout] test isa::function_code::test::decode_sltu ... ok
[INFO] [stdout] test isa::function_code::test::decode_or ... ok
[INFO] [stdout] test isa::function_code::test::decode_mult ... ok
[INFO] [stdout] test isa::function_code::test::decode_invalid - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 39 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/assembler-196c7d93c6969008)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/simulator-a3670ad7c62dead7)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests core
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5e5811a953c6d1f0bfec357fb16b93c589b0a2f839193fbfe2309c08cd686cea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e5811a953c6d1f0bfec357fb16b93c589b0a2f839193fbfe2309c08cd686cea", kill_on_drop: false }`
[INFO] [stdout] 5e5811a953c6d1f0bfec357fb16b93c589b0a2f839193fbfe2309c08cd686cea