[INFO] crate um32 1.0.2 is already in cache
[INFO] testing um32-1.0.2 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate um32 1.0.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate um32 1.0.2 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate um32 1.0.2
[INFO] finished tweaking crates.io crate um32 1.0.2
[INFO] tweaked toml for crates.io crate um32 1.0.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1b8bc79cbd26ac1ea76700f16ab2fd5d451fea14b28d88c17b055418a5281c6
[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" "b1b8bc79cbd26ac1ea76700f16ab2fd5d451fea14b28d88c17b055418a5281c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1b8bc79cbd26ac1ea76700f16ab2fd5d451fea14b28d88c17b055418a5281c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1b8bc79cbd26ac1ea76700f16ab2fd5d451fea14b28d88c17b055418a5281c6", kill_on_drop: false }`
[INFO] [stdout] b1b8bc79cbd26ac1ea76700f16ab2fd5d451fea14b28d88c17b055418a5281c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb17fa065eda0527a75660f09219196b1c71891432873c1957ae1b1eaa7e9a45
[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" "cb17fa065eda0527a75660f09219196b1c71891432873c1957ae1b1eaa7e9a45", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling byteorder v1.0.0
[INFO] [stderr]    Compiling um32 v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/main.rs:175:13
[INFO] [stdout]     |
[INFO] [stdout] 175 | /             mem::replace(
[INFO] [stdout] 176 | |                 self.heap.get_mut(address)
[INFO] [stdout] 177 | |                     .expect("memory was not previously allocated"),
[INFO] [stdout] 178 | |                 zeros
[INFO] [stdout] 179 | |             );
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/main.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 188 | /         mem::replace(
[INFO] [stdout] 189 | |             self.heap.get_mut(address)
[INFO] [stdout] 190 | |                 .expect("memory was not previously allocated"),
[INFO] [stdout] 191 | |             Vec::new()
[INFO] [stdout] 192 | |         );
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/main.rs:214:9
[INFO] [stdout]     |
[INFO] [stdout] 214 | /         mem::replace(
[INFO] [stdout] 215 | |             memory.get_mut(idx)
[INFO] [stdout] 216 | |                 .expect("no value present at given idx"),
[INFO] [stdout] 217 | |             value
[INFO] [stdout] 218 | |         );
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/main.rs:227:9
[INFO] [stdout]     |
[INFO] [stdout] 227 | /         mem::replace(
[INFO] [stdout] 228 | |             self.heap.get_mut(PROGRAM_ADDRESS)
[INFO] [stdout] 229 | |                 .expect("found no existing program"),
[INFO] [stdout] 230 | |             program
[INFO] [stdout] 231 | |         );
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.82s
[INFO] running `Command { std: "docker" "inspect" "cb17fa065eda0527a75660f09219196b1c71891432873c1957ae1b1eaa7e9a45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb17fa065eda0527a75660f09219196b1c71891432873c1957ae1b1eaa7e9a45", kill_on_drop: false }`
[INFO] [stdout] cb17fa065eda0527a75660f09219196b1c71891432873c1957ae1b1eaa7e9a45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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] 163fe164258b6504de996327d563d8aa0101dbf790739fdf2aa1ff8d92c68465
[INFO] running `Command { std: "docker" "start" "-a" "163fe164258b6504de996327d563d8aa0101dbf790739fdf2aa1ff8d92c68465", kill_on_drop: false }`
[INFO] [stderr]    Compiling um32 v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/main.rs:175:13
[INFO] [stdout]     |
[INFO] [stdout] 175 | /             mem::replace(
[INFO] [stdout] 176 | |                 self.heap.get_mut(address)
[INFO] [stdout] 177 | |                     .expect("memory was not previously allocated"),
[INFO] [stdout] 178 | |                 zeros
[INFO] [stdout] 179 | |             );
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/main.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 188 | /         mem::replace(
[INFO] [stdout] 189 | |             self.heap.get_mut(address)
[INFO] [stdout] 190 | |                 .expect("memory was not previously allocated"),
[INFO] [stdout] 191 | |             Vec::new()
[INFO] [stdout] 192 | |         );
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/main.rs:214:9
[INFO] [stdout]     |
[INFO] [stdout] 214 | /         mem::replace(
[INFO] [stdout] 215 | |             memory.get_mut(idx)
[INFO] [stdout] 216 | |                 .expect("no value present at given idx"),
[INFO] [stdout] 217 | |             value
[INFO] [stdout] 218 | |         );
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/main.rs:227:9
[INFO] [stdout]     |
[INFO] [stdout] 227 | /         mem::replace(
[INFO] [stdout] 228 | |             self.heap.get_mut(PROGRAM_ADDRESS)
[INFO] [stdout] 229 | |                 .expect("found no existing program"),
[INFO] [stdout] 230 | |             program
[INFO] [stdout] 231 | |         );
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "163fe164258b6504de996327d563d8aa0101dbf790739fdf2aa1ff8d92c68465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "163fe164258b6504de996327d563d8aa0101dbf790739fdf2aa1ff8d92c68465", kill_on_drop: false }`
[INFO] [stdout] 163fe164258b6504de996327d563d8aa0101dbf790739fdf2aa1ff8d92c68465
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9d32639470315b9fe4040a09d744f3d9e387868377cfd2ec481a85af49962769
[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" "9d32639470315b9fe4040a09d744f3d9e387868377cfd2ec481a85af49962769", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/main.rs:175:13
[INFO] [stderr]     |
[INFO] [stderr] 175 | /             mem::replace(
[INFO] [stderr] 176 | |                 self.heap.get_mut(address)
[INFO] [stderr] 177 | |                     .expect("memory was not previously allocated"),
[INFO] [stderr] 178 | |                 zeros
[INFO] [stderr] 179 | |             );
[INFO] [stderr]     | |______________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/main.rs:188:9
[INFO] [stderr]     |
[INFO] [stderr] 188 | /         mem::replace(
[INFO] [stderr] 189 | |             self.heap.get_mut(address)
[INFO] [stderr] 190 | |                 .expect("memory was not previously allocated"),
[INFO] [stderr] 191 | |             Vec::new()
[INFO] [stderr] 192 | |         );
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/main.rs:214:9
[INFO] [stderr]     |
[INFO] [stderr] 214 | /         mem::replace(
[INFO] [stderr] 215 | |             memory.get_mut(idx)
[INFO] [stderr] 216 | |                 .expect("no value present at given idx"),
[INFO] [stderr] 217 | |             value
[INFO] [stderr] 218 | |         );
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/main.rs:227:9
[INFO] [stderr]     |
[INFO] [stderr] 227 | /         mem::replace(
[INFO] [stderr] 228 | |             self.heap.get_mut(PROGRAM_ADDRESS)
[INFO] [stderr] 229 | |                 .expect("found no existing program"),
[INFO] [stderr] 230 | |             program
[INFO] [stderr] 231 | |         );
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/um32-9a48435e58d08bae
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test tests::test_extract_bits_0 ... ok
[INFO] [stdout] test tests::test_parse_a ... ok
[INFO] [stdout] test tests::test_parse_b ... ok
[INFO] [stdout] test tests::test_parse_a_ortho ... ok
[INFO] [stdout] test tests::test_parse_op_abandon ... ok
[INFO] [stdout] test tests::test_parse_op_allocate ... ok
[INFO] [stdout] test tests::test_parse_op_add ... ok
[INFO] [stdout] test tests::test_parse_op_array_get ... ok
[INFO] [stdout] test tests::test_extract_bits_15 ... ok
[INFO] [stdout] test tests::test_parse_op_array_set ... ok
[INFO] [stdout] test tests::test_parse_op_err ... ok
[INFO] [stdout] test tests::test_parse_op_div ... ok
[INFO] [stdout] test tests::test_extract_bits_5 ... ok
[INFO] [stdout] test tests::test_parse_op_input ... ok
[INFO] [stdout] test tests::test_parse_op_load ... ok
[INFO] [stdout] test tests::test_parse_op_halt ... ok
[INFO] [stdout] test tests::test_parse_op_mov ... ok
[INFO] [stdout] test tests::test_parse_op_mul ... ok
[INFO] [stdout] test tests::test_parse_op_nand ... ok
[INFO] [stdout] test tests::test_parse_op_ortho ... ok
[INFO] [stdout] test tests::test_parse_op_output ... ok
[INFO] [stdout] test tests::test_parse_value ... ok
[INFO] [stdout] test tests::test_extract_bits_1 ... ok
[INFO] [stdout] test tests::test_parse_value_ortho ... ok
[INFO] [stdout] test tests::test_extract_bits_256 ... ok
[INFO] [stdout] test tests::test_parse_c ... ok
[INFO] [stdout] test tests::test_parse_c_ortho ... ok
[INFO] [stdout] test tests::test_parse_b_ortho ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9d32639470315b9fe4040a09d744f3d9e387868377cfd2ec481a85af49962769", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d32639470315b9fe4040a09d744f3d9e387868377cfd2ec481a85af49962769", kill_on_drop: false }`
[INFO] [stdout] 9d32639470315b9fe4040a09d744f3d9e387868377cfd2ec481a85af49962769