[INFO] fetching crate riscv-sandbox 0.2.0...
[INFO] testing riscv-sandbox-0.2.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate riscv-sandbox 0.2.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate riscv-sandbox 0.2.0 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 crates.io crate riscv-sandbox 0.2.0
[INFO] finished tweaking crates.io crate riscv-sandbox 0.2.0
[INFO] tweaked toml for crates.io crate riscv-sandbox 0.2.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate riscv-sandbox 0.2.0 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded elf v0.0.10
[INFO] [stderr]   Downloaded bitvec v0.15.2
[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" "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] 0eb58e95a922fa09490f2be92abe7f748a741492f7742036ffe8896743313693
[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" "0eb58e95a922fa09490f2be92abe7f748a741492f7742036ffe8896743313693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0eb58e95a922fa09490f2be92abe7f748a741492f7742036ffe8896743313693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0eb58e95a922fa09490f2be92abe7f748a741492f7742036ffe8896743313693", kill_on_drop: false }`
[INFO] [stdout] 0eb58e95a922fa09490f2be92abe7f748a741492f7742036ffe8896743313693
[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=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] [stdout] 32a4dfa268551893b612bbc34d8b8575eca39497e9f82f46e5b9c7be02fe6bbd
[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" "32a4dfa268551893b612bbc34d8b8575eca39497e9f82f46e5b9c7be02fe6bbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitvec v0.15.2
[INFO] [stderr]    Compiling elf v0.0.10
[INFO] [stderr]    Compiling riscv-sandbox v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/machine/mod.rs:21:25
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn cycle(&mut self, &mut dyn Memory);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut dyn Memory`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `waiting_for_sync`
[INFO] [stdout]   --> src/machine/simtx.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub waiting_for_sync : BitVec,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.91s
[INFO] running `Command { std: "docker" "inspect" "32a4dfa268551893b612bbc34d8b8575eca39497e9f82f46e5b9c7be02fe6bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32a4dfa268551893b612bbc34d8b8575eca39497e9f82f46e5b9c7be02fe6bbd", kill_on_drop: false }`
[INFO] [stdout] 32a4dfa268551893b612bbc34d8b8575eca39497e9f82f46e5b9c7be02fe6bbd
[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=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] 8aa21204604910387102fbda02e6c396d873ae73ba6b177b6fef01f63efd36e2
[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" "8aa21204604910387102fbda02e6c396d873ae73ba6b177b6fef01f63efd36e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling riscv-sandbox v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/machine/mod.rs:21:25
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn cycle(&mut self, &mut dyn Memory);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut dyn Memory`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `waiting_for_sync`
[INFO] [stdout]   --> src/machine/simtx.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub waiting_for_sync : BitVec,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/machine/mod.rs:21:25
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn cycle(&mut self, &mut dyn Memory);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut dyn Memory`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `waiting_for_sync`
[INFO] [stdout]   --> src/machine/simtx.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub waiting_for_sync : BitVec,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.01s
[INFO] running `Command { std: "docker" "inspect" "8aa21204604910387102fbda02e6c396d873ae73ba6b177b6fef01f63efd36e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8aa21204604910387102fbda02e6c396d873ae73ba6b177b6fef01f63efd36e2", kill_on_drop: false }`
[INFO] [stdout] 8aa21204604910387102fbda02e6c396d873ae73ba6b177b6fef01f63efd36e2
[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=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] [stdout] 9f639fac0a090bb70fc355602d80536428ae697a42de6be5d7c284afd1ce5d2f
[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" "9f639fac0a090bb70fc355602d80536428ae697a42de6be5d7c284afd1ce5d2f", kill_on_drop: false }`
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]   --> src/machine/mod.rs:21:25
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn cycle(&mut self, &mut dyn Memory);
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut dyn Memory`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `waiting_for_sync`
[INFO] [stderr]   --> src/machine/simtx.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub waiting_for_sync : BitVec,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `riscv-sandbox` (lib) generated 2 warnings
[INFO] [stderr] warning: `riscv-sandbox` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/riscv_sandbox-838437b232cb7df0)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/elf.rs (/opt/rustwide/target/debug/deps/elf-404597aacce8887b)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/isa.rs (/opt/rustwide/target/debug/deps/isa-77f25b978c66908b)
[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 1 test
[INFO] [stdout] test test1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test addi ... ok
[INFO] [stdout] test display_r ... ok
[INFO] [stdout] test i_ctor ... ok
[INFO] [stdout] test imm_b ... ok
[INFO] [stdout] test imm_i_bit_extend ... ok
[INFO] [stdout] test imm_j ... ok
[INFO] [stdout] test imm_s ... ok
[INFO] [stdout] test imm_u ... ok
[INFO] [stdout] test opcode ... ok
[INFO] [stdout] test r_ctor ... ok
[INFO] [stdout] test rs1 ... ok
[INFO] [stdout] test s_ctor ... ok
[INFO] [stdout] test u_ctor ... ok
[INFO] [stdout] test display_branch ... ok
[INFO] [stdout] test imm_i ... ok
[INFO] [stdout] test rd ... ok
[INFO] [stdout] test rs2 ... ok
[INFO] [stderr]      Running tests/machine.rs (/opt/rustwide/target/debug/deps/machine-dcfd48a823cd0dde)
[INFO] [stdout] test display_i ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test fibonacci ... ok
[INFO] [stdout] test execute_addi ... ok
[INFO] [stdout] test registers ... ok
[INFO] [stdout] test simple_math ... ok
[INFO] [stdout] test real_world_tests_simtx ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/memory.rs (/opt/rustwide/target/debug/deps/memory-d2d2abb644e63294)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test is_little_endian_vec_u32 ... ok
[INFO] [stdout] test is_little_endian_hashmap ... ok
[INFO] [stdout] test is_little_endian_vec_u8 ... ok
[INFO] [stdout] test vec_memory_impl ... ok
[INFO] [stderr]    Doc-tests riscv-sandbox
[INFO] [stdout] test vec_memory_out_of_bound - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[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" "9f639fac0a090bb70fc355602d80536428ae697a42de6be5d7c284afd1ce5d2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f639fac0a090bb70fc355602d80536428ae697a42de6be5d7c284afd1ce5d2f", kill_on_drop: false }`
[INFO] [stdout] 9f639fac0a090bb70fc355602d80536428ae697a42de6be5d7c284afd1ce5d2f