[INFO] fetching crate isla-lib 0.1.0...
[INFO] testing isla-lib-0.1.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate isla-lib 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate isla-lib 0.1.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate isla-lib 0.1.0
[INFO] finished tweaking crates.io crate isla-lib 0.1.0
[INFO] tweaked toml for crates.io crate isla-lib 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c84805a2430f7f25b2166690b6e4cfead7023e57c7dee36b6f742e438f51873
[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" "0c84805a2430f7f25b2166690b6e4cfead7023e57c7dee36b6f742e438f51873", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c84805a2430f7f25b2166690b6e4cfead7023e57c7dee36b6f742e438f51873", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c84805a2430f7f25b2166690b6e4cfead7023e57c7dee36b6f742e438f51873", kill_on_drop: false }`
[INFO] [stdout] 0c84805a2430f7f25b2166690b6e4cfead7023e57c7dee36b6f742e438f51873
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d80d507977ec288836bba1dab9f15a937451c4444fa1a644ec699ce225688040
[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" "d80d507977ec288836bba1dab9f15a937451c4444fa1a644ec699ce225688040", kill_on_drop: false }`
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling lalrpop-util v0.19.1
[INFO] [stderr]    Compiling z3-sys v0.5.0
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling string_cache v0.8.0
[INFO] [stderr]    Compiling bincode v1.3.1
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling lalrpop v0.19.1
[INFO] [stderr]    Compiling isla-lib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]     --> src/executor.rs:1170:62
[INFO] [stdout]      |
[INFO] [stdout] 1170 |             collected.push(Ok((task_id, events.drain(..).map({ |ev| ev.clone() }).collect())))
[INFO] [stdout]      |                                                              ^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]     --> src/executor.rs:1190:70
[INFO] [stdout]      |
[INFO] [stdout] 1190 |             collected.push(Ok((task_id, result, events.drain(..).map({ |ev| ev.clone() }).collect())))
[INFO] [stdout]      |                                                                      ^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]     --> src/executor.rs:1212:62
[INFO] [stdout]      |
[INFO] [stdout] 1212 |             collected.push(Ok((task_id, events.drain(..).map({ |ev| ev.clone() }).collect())))
[INFO] [stdout]      |                                                              ^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.70s
[INFO] running `Command { std: "docker" "inspect" "d80d507977ec288836bba1dab9f15a937451c4444fa1a644ec699ce225688040", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d80d507977ec288836bba1dab9f15a937451c4444fa1a644ec699ce225688040", kill_on_drop: false }`
[INFO] [stdout] d80d507977ec288836bba1dab9f15a937451c4444fa1a644ec699ce225688040
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0af1dfa980a7388ca114846a29388797b697e042e261676b5e35752e380ce7c6
[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" "0af1dfa980a7388ca114846a29388797b697e042e261676b5e35752e380ce7c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling isla-lib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]     --> src/executor.rs:1170:62
[INFO] [stdout]      |
[INFO] [stdout] 1170 |             collected.push(Ok((task_id, events.drain(..).map({ |ev| ev.clone() }).collect())))
[INFO] [stdout]      |                                                              ^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]     --> src/executor.rs:1190:70
[INFO] [stdout]      |
[INFO] [stdout] 1190 |             collected.push(Ok((task_id, result, events.drain(..).map({ |ev| ev.clone() }).collect())))
[INFO] [stdout]      |                                                                      ^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]     --> src/executor.rs:1212:62
[INFO] [stdout]      |
[INFO] [stdout] 1212 |             collected.push(Ok((task_id, events.drain(..).map({ |ev| ev.clone() }).collect())))
[INFO] [stdout]      |                                                              ^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]     --> src/executor.rs:1170:62
[INFO] [stdout]      |
[INFO] [stdout] 1170 |             collected.push(Ok((task_id, events.drain(..).map({ |ev| ev.clone() }).collect())))
[INFO] [stdout]      |                                                              ^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]     --> src/executor.rs:1190:70
[INFO] [stdout]      |
[INFO] [stdout] 1190 |             collected.push(Ok((task_id, result, events.drain(..).map({ |ev| ev.clone() }).collect())))
[INFO] [stdout]      |                                                                      ^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]     --> src/executor.rs:1212:62
[INFO] [stdout]      |
[INFO] [stdout] 1212 |             collected.push(Ok((task_id, events.drain(..).map({ |ev| ev.clone() }).collect())))
[INFO] [stdout]      |                                                              ^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.01s
[INFO] running `Command { std: "docker" "inspect" "0af1dfa980a7388ca114846a29388797b697e042e261676b5e35752e380ce7c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0af1dfa980a7388ca114846a29388797b697e042e261676b5e35752e380ce7c6", kill_on_drop: false }`
[INFO] [stdout] 0af1dfa980a7388ca114846a29388797b697e042e261676b5e35752e380ce7c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5b61de477e0f6636c8c7c364f5181b6da326d1ae5113fb2bf177deb710b025e8
[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" "5b61de477e0f6636c8c7c364f5181b6da326d1ae5113fb2bf177deb710b025e8", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]     --> src/executor.rs:1170:62
[INFO] [stderr]      |
[INFO] [stderr] 1170 |             collected.push(Ok((task_id, events.drain(..).map({ |ev| ev.clone() }).collect())))
[INFO] [stderr]      |                                                              ^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]     --> src/executor.rs:1190:70
[INFO] [stderr]      |
[INFO] [stderr] 1190 |             collected.push(Ok((task_id, result, events.drain(..).map({ |ev| ev.clone() }).collect())))
[INFO] [stderr]      |                                                                      ^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]     --> src/executor.rs:1212:62
[INFO] [stderr]      |
[INFO] [stderr] 1212 |             collected.push(Ok((task_id, events.drain(..).map({ |ev| ev.clone() }).collect())))
[INFO] [stderr]      |                                                              ^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]     --> src/executor.rs:1170:62
[INFO] [stderr]      |
[INFO] [stderr] 1170 |             collected.push(Ok((task_id, events.drain(..).map({ |ev| ev.clone() }).collect())))
[INFO] [stderr]      |                                                              ^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]     --> src/executor.rs:1190:70
[INFO] [stderr]      |
[INFO] [stderr] 1190 |             collected.push(Ok((task_id, result, events.drain(..).map({ |ev| ev.clone() }).collect())))
[INFO] [stderr]      |                                                                      ^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]     --> src/executor.rs:1212:62
[INFO] [stderr]      |
[INFO] [stderr] 1212 |             collected.push(Ok((task_id, events.drain(..).map({ |ev| ev.clone() }).collect())))
[INFO] [stderr]      |                                                              ^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stdout] running 31 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/isla_lib-eb5cd6a28deefec5
[INFO] [stdout] test concrete::bitvector129::tests::test_add ... ok
[INFO] [stdout] test concrete::bitvector129::tests::test_bitor ... ok
[INFO] [stdout] test concrete::bitvector129::tests::test_bitand ... ok
[INFO] [stdout] test concrete::bitvector129::tests::test_sub ... ok
[INFO] [stdout] test concrete::bitvector64::tests::test_append ... ok
[INFO] [stdout] test concrete::bitvector64::tests::test_extract ... ok
[INFO] [stdout] test concrete::bitvector64::tests::test_from_bytes ... ok
[INFO] [stdout] test concrete::bitvector64::tests::test_neg ... ok
[INFO] [stdout] test concrete::bitvector64::tests::test_set_slice ... ok
[INFO] [stdout] test concrete::bitvector64::tests::test_set_slice_int ... ok
[INFO] [stdout] test concrete::bitvector129::tests::test_bitxor ... ok
[INFO] [stdout] test concrete::bitvector129::tests::test_upper_hex ... ok
[INFO] [stdout] test concrete::bitvector129::tests::test_not ... ok
[INFO] [stdout] test concrete::bitvector64::tests::test_replicate ... ok
[INFO] [stdout] test zencode::tests::zdecode ... ok
[INFO] [stdout] test concrete::bitvector64::tests::test_slice ... ok
[INFO] [stdout] test concrete::bitvector64::tests::test_unsigned ... ok
[INFO] [stdout] test concrete::bitvector64::tests::test_signed ... ok
[INFO] [stdout] test concrete::bitvector64::tests::test_shl ... ok
[INFO] [stdout] test concrete::bitvector129::tests::test_lower_hex ... ok
[INFO] [stdout] test concrete::bitvector64::tests::test_sign_extend ... ok
[INFO] [stdout] test concrete::bitvector64::tests::test_write_bits64 ... ok
[INFO] [stdout] test concrete::bitvector64::tests::test_truncate_lsb ... ok
[INFO] [stdout] test concrete::bitvector64::tests::test_zero_extend ... ok
[INFO] [stdout] test concrete::bitvector64::tests::test_shr ... ok
[INFO] [stdout] test zencode::tests::zencode ... ok
[INFO] [stdout] test smt::tests::bv_macro ... ok
[INFO] [stdout] test smt::tests::array ... ok
[INFO] [stdout] test smt::tests::get_enum_const ... ok
[INFO] [stdout] test smt::tests::get_const ... ok
[INFO] [stdout] test smt::tests::smt_func ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 31 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests isla-lib
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]     --> /opt/rustwide/workdir/src/executor.rs:1170:62
[INFO] [stderr]      |
[INFO] [stderr] 1170 |             collected.push(Ok((task_id, events.drain(..).map({ |ev| ev.clone() }).collect())))
[INFO] [stderr]      |                                                              ^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]     --> /opt/rustwide/workdir/src/executor.rs:1190:70
[INFO] [stderr]      |
[INFO] [stderr] 1190 |             collected.push(Ok((task_id, result, events.drain(..).map({ |ev| ev.clone() }).collect())))
[INFO] [stderr]      |                                                                      ^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]     --> /opt/rustwide/workdir/src/executor.rs:1212:62
[INFO] [stderr]      |
[INFO] [stderr] 1212 |             collected.push(Ok((task_id, events.drain(..).map({ |ev| ev.clone() }).collect())))
[INFO] [stderr]      |                                                              ^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/smt.rs - smt::Solver (line 1040) ... ok
[INFO] [stdout] test src/smt.rs - smt::Model (line 1109) ... ok
[INFO] [stdout] test src/smt.rs - smt::Solver (line 1064) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5b61de477e0f6636c8c7c364f5181b6da326d1ae5113fb2bf177deb710b025e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b61de477e0f6636c8c7c364f5181b6da326d1ae5113fb2bf177deb710b025e8", kill_on_drop: false }`
[INFO] [stdout] 5b61de477e0f6636c8c7c364f5181b6da326d1ae5113fb2bf177deb710b025e8
