[INFO] fetching crate virtm 0.0.1...
[INFO] testing virtm-0.0.1 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate virtm 0.0.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate virtm 0.0.1
[INFO] finished tweaking crates.io crate virtm 0.0.1
[INFO] tweaked toml for crates.io crate virtm 0.0.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate virtm 0.0.1 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1b92fedc9c4349cb932d37c59f140d702bde2b1daa9fe812d4f8059259c8210
[INFO] running `Command { std: "docker" "start" "-a" "e1b92fedc9c4349cb932d37c59f140d702bde2b1daa9fe812d4f8059259c8210", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1b92fedc9c4349cb932d37c59f140d702bde2b1daa9fe812d4f8059259c8210", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1b92fedc9c4349cb932d37c59f140d702bde2b1daa9fe812d4f8059259c8210", kill_on_drop: false }`
[INFO] [stdout] e1b92fedc9c4349cb932d37c59f140d702bde2b1daa9fe812d4f8059259c8210
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a5571bbf99e6322b892af07cf91bcd11b053fffa7f826bc6d6d60c2fe05b843
[INFO] running `Command { std: "docker" "start" "-a" "8a5571bbf99e6322b892af07cf91bcd11b053fffa7f826bc6d6d60c2fe05b843", kill_on_drop: false }`
[INFO] [stderr]    Compiling virtm v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `mem` is never read
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Memory {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 13 |     mem: [u32; MEM_SIZE],
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/lib.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Registers {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] 24 |     r0: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 25 |     r1: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 26 |     r2: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 27 |     r3: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 28 |     r4: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 29 |     r5: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 30 |     r6: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 31 |     r7: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 32 |     r8: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 33 |     r9: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 34 |     r10: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 35 |     r11: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 36 |     r12: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 37 |     r13: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 38 |     r14: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 39 |     r15: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 40 |     rpc: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 41 |     rcnd: u32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `mem` and `reg` are never read
[INFO] [stdout]   --> src/lib.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub struct VirtualMachine {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 46 |     mem: Memory,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 47 |     reg: Registers,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "8a5571bbf99e6322b892af07cf91bcd11b053fffa7f826bc6d6d60c2fe05b843", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a5571bbf99e6322b892af07cf91bcd11b053fffa7f826bc6d6d60c2fe05b843", kill_on_drop: false }`
[INFO] [stdout] 8a5571bbf99e6322b892af07cf91bcd11b053fffa7f826bc6d6d60c2fe05b843
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6edcdd89e34670434e929b0771536f50e358b0429314643eb987d0772f2bd8b1
[INFO] running `Command { std: "docker" "start" "-a" "6edcdd89e34670434e929b0771536f50e358b0429314643eb987d0772f2bd8b1", kill_on_drop: false }`
[INFO] [stdout] warning: field `mem` is never read
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Memory {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 13 |     mem: [u32; MEM_SIZE],
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/lib.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Registers {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] 24 |     r0: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 25 |     r1: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 26 |     r2: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 27 |     r3: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 28 |     r4: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 29 |     r5: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 30 |     r6: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 31 |     r7: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 32 |     r8: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 33 |     r9: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 34 |     r10: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 35 |     r11: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 36 |     r12: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 37 |     r13: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 38 |     r14: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 39 |     r15: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 40 |     rpc: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 41 |     rcnd: u32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `mem` and `reg` are never read
[INFO] [stdout]   --> src/lib.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub struct VirtualMachine {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 46 |     mem: Memory,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 47 |     reg: Registers,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling virtm v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `mem` is never read
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Memory {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 13 |     mem: [u32; MEM_SIZE],
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/lib.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Registers {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] 24 |     r0: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 25 |     r1: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 26 |     r2: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 27 |     r3: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 28 |     r4: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 29 |     r5: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 30 |     r6: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 31 |     r7: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 32 |     r8: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 33 |     r9: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 34 |     r10: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 35 |     r11: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 36 |     r12: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 37 |     r13: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 38 |     r14: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 39 |     r15: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 40 |     rpc: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 41 |     rcnd: u32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `mem` and `reg` are never read
[INFO] [stdout]   --> src/lib.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub struct VirtualMachine {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 46 |     mem: Memory,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 47 |     reg: Registers,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "6edcdd89e34670434e929b0771536f50e358b0429314643eb987d0772f2bd8b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6edcdd89e34670434e929b0771536f50e358b0429314643eb987d0772f2bd8b1", kill_on_drop: false }`
[INFO] [stdout] 6edcdd89e34670434e929b0771536f50e358b0429314643eb987d0772f2bd8b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e16f8af30a2d2ffe16df5b9ad7da78a9f55a71a11a390d21d830c57fd041260c
[INFO] running `Command { std: "docker" "start" "-a" "e16f8af30a2d2ffe16df5b9ad7da78a9f55a71a11a390d21d830c57fd041260c", kill_on_drop: false }`
[INFO] [stderr] warning: field `mem` is never read
[INFO] [stderr]   --> src/lib.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct Memory {
[INFO] [stderr]    |        ------ field in this struct
[INFO] [stderr] 13 |     mem: [u32; MEM_SIZE],
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: multiple fields are never read
[INFO] [stderr]   --> src/lib.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 23 | struct Registers {
[INFO] [stderr]    |        --------- fields in this struct
[INFO] [stderr] 24 |     r0: u32,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 25 |     r1: u32,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 26 |     r2: u32,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 27 |     r3: u32,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 28 |     r4: u32,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 29 |     r5: u32,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 30 |     r6: u32,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 31 |     r7: u32,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 32 |     r8: u32,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 33 |     r9: u32,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 34 |     r10: u32,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 35 |     r11: u32,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 36 |     r12: u32,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 37 |     r13: u32,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 38 |     r14: u32,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 39 |     r15: u32,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 40 |     rpc: u32,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 41 |     rcnd: u32,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `mem` and `reg` are never read
[INFO] [stderr]   --> src/lib.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub struct VirtualMachine {
[INFO] [stderr]    |            -------------- fields in this struct
[INFO] [stderr] 46 |     mem: Memory,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 47 |     reg: Registers,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `virtm` (lib) generated 3 warnings
[INFO] [stderr] warning: `virtm` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/virtm-6cccaf00dfa7fcd1)
[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]    Doc-tests virtm
[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" "e16f8af30a2d2ffe16df5b9ad7da78a9f55a71a11a390d21d830c57fd041260c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e16f8af30a2d2ffe16df5b9ad7da78a9f55a71a11a390d21d830c57fd041260c", kill_on_drop: false }`
[INFO] [stdout] e16f8af30a2d2ffe16df5b9ad7da78a9f55a71a11a390d21d830c57fd041260c