[INFO] fetching crate riscv-sandbox 0.2.0...
[INFO] testing riscv-sandbox-0.2.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate riscv-sandbox 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate riscv-sandbox 0.2.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-7/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c4cb50ab307193214b76cc43e5bc4639c608abbc2ab4e56cfcb9f59518537ec
[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" "1c4cb50ab307193214b76cc43e5bc4639c608abbc2ab4e56cfcb9f59518537ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c4cb50ab307193214b76cc43e5bc4639c608abbc2ab4e56cfcb9f59518537ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c4cb50ab307193214b76cc43e5bc4639c608abbc2ab4e56cfcb9f59518537ec", kill_on_drop: false }`
[INFO] [stdout] 1c4cb50ab307193214b76cc43e5bc4639c608abbc2ab4e56cfcb9f59518537ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75779be6dd56b98e5227a6040076866f0c74578ceb8e1360874f8a06319ff2e1
[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" "75779be6dd56b98e5227a6040076866f0c74578ceb8e1360874f8a06319ff2e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v0.5.3
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.09s
[INFO] running `Command { std: "docker" "inspect" "75779be6dd56b98e5227a6040076866f0c74578ceb8e1360874f8a06319ff2e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75779be6dd56b98e5227a6040076866f0c74578ceb8e1360874f8a06319ff2e1", kill_on_drop: false }`
[INFO] [stdout] 75779be6dd56b98e5227a6040076866f0c74578ceb8e1360874f8a06319ff2e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] 19cd153d59aed52d0240294b68e6eecca0885b6db2460694df50e6ef6efa43f3
[INFO] running `Command { std: "docker" "start" "-a" "19cd153d59aed52d0240294b68e6eecca0885b6db2460694df50e6ef6efa43f3", 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: 1 warning 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.36s
[INFO] running `Command { std: "docker" "inspect" "19cd153d59aed52d0240294b68e6eecca0885b6db2460694df50e6ef6efa43f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19cd153d59aed52d0240294b68e6eecca0885b6db2460694df50e6ef6efa43f3", kill_on_drop: false }`
[INFO] [stdout] 19cd153d59aed52d0240294b68e6eecca0885b6db2460694df50e6ef6efa43f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] c065ebf660b4afbd65729ce7c084913e7418121554c441f4c7cf99e114cbe09e
[INFO] running `Command { std: "docker" "start" "-a" "c065ebf660b4afbd65729ce7c084913e7418121554c441f4c7cf99e114cbe09e", 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: 1 warning emitted
[INFO] [stderr] 
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/riscv_sandbox-b313886cb7705cf0)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/elf.rs (/opt/rustwide/target/debug/deps/elf-6ee792581e173f78)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/isa.rs (/opt/rustwide/target/debug/deps/isa-fa1fe7852b57b064)
[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_branch ... ok
[INFO] [stdout] test display_i ... ok
[INFO] [stdout] test display_r ... ok
[INFO] [stdout] test i_ctor ... ok
[INFO] [stdout] test imm_i ... ok
[INFO] [stdout] test imm_i_bit_extend ... ok
[INFO] [stdout] test imm_s ... ok
[INFO] [stdout] test imm_j ... ok
[INFO] [stdout] test imm_u ... ok
[INFO] [stdout] test opcode ... ok
[INFO] [stdout] test r_ctor ... ok
[INFO] [stdout] test rd ... ok
[INFO] [stdout] test rs1 ... ok
[INFO] [stdout] test rs2 ... ok
[INFO] [stdout] test s_ctor ... ok
[INFO] [stdout] test u_ctor ... ok
[INFO] [stdout] test imm_b ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/machine.rs (/opt/rustwide/target/debug/deps/machine-f57d2a11736a1616)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test fibonacci ... ok
[INFO] [stdout] test simple_math ... ok
[INFO] [stdout] test execute_addi ... ok
[INFO] [stdout] test registers ... 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 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/memory.rs (/opt/rustwide/target/debug/deps/memory-4fad6e9415c0aabd)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test is_little_endian_hashmap ... ok
[INFO] [stdout] test is_little_endian_vec_u32 ... ok
[INFO] [stdout] test vec_memory_impl ... ok
[INFO] [stdout] test is_little_endian_vec_u8 ... ok
[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 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests riscv-sandbox
[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" "c065ebf660b4afbd65729ce7c084913e7418121554c441f4c7cf99e114cbe09e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c065ebf660b4afbd65729ce7c084913e7418121554c441f4c7cf99e114cbe09e", kill_on_drop: false }`
[INFO] [stdout] c065ebf660b4afbd65729ce7c084913e7418121554c441f4c7cf99e114cbe09e