[INFO] fetching crate virtm 0.0.1...
[INFO] testing virtm-0.0.1 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate virtm 0.0.1 into /workspace/builds/worker-2-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate virtm 0.0.1 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79b6991374853ecd0b448dc61c2924f25cf1b3a09906355236a6281187193566
[INFO] running `Command { std: "docker" "start" "-a" "79b6991374853ecd0b448dc61c2924f25cf1b3a09906355236a6281187193566", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79b6991374853ecd0b448dc61c2924f25cf1b3a09906355236a6281187193566", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79b6991374853ecd0b448dc61c2924f25cf1b3a09906355236a6281187193566", kill_on_drop: false }`
[INFO] [stdout] 79b6991374853ecd0b448dc61c2924f25cf1b3a09906355236a6281187193566
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 541dd67dcc62f6b2470808501ffdf66f9096db2967bc4454df3b71eb9e5a0c43
[INFO] running `Command { std: "docker" "start" "-a" "541dd67dcc62f6b2470808501ffdf66f9096db2967bc4454df3b71eb9e5a0c43", 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 0.07s
[INFO] running `Command { std: "docker" "inspect" "541dd67dcc62f6b2470808501ffdf66f9096db2967bc4454df3b71eb9e5a0c43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "541dd67dcc62f6b2470808501ffdf66f9096db2967bc4454df3b71eb9e5a0c43", kill_on_drop: false }`
[INFO] [stdout] 541dd67dcc62f6b2470808501ffdf66f9096db2967bc4454df3b71eb9e5a0c43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 735d7057b10751870ded997d67ec0281bcc16507df89d15733e854c697020260
[INFO] running `Command { std: "docker" "start" "-a" "735d7057b10751870ded997d67ec0281bcc16507df89d15733e854c697020260", 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] [stderr]    Compiling virtm v0.0.1 (/opt/rustwide/workdir)
[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] [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 0.11s
[INFO] running `Command { std: "docker" "inspect" "735d7057b10751870ded997d67ec0281bcc16507df89d15733e854c697020260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "735d7057b10751870ded997d67ec0281bcc16507df89d15733e854c697020260", kill_on_drop: false }`
[INFO] [stdout] 735d7057b10751870ded997d67ec0281bcc16507df89d15733e854c697020260
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3b9229b506da32111022244994b19eba925d01b8643f9745f8d1e420a80e7d83
[INFO] running `Command { std: "docker" "start" "-a" "3b9229b506da32111022244994b19eba925d01b8643f9745f8d1e420a80e7d83", 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" "3b9229b506da32111022244994b19eba925d01b8643f9745f8d1e420a80e7d83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b9229b506da32111022244994b19eba925d01b8643f9745f8d1e420a80e7d83", kill_on_drop: false }`
[INFO] [stdout] 3b9229b506da32111022244994b19eba925d01b8643f9745f8d1e420a80e7d83