[INFO] fetching crate x86reducer 0.1.0...
[INFO] testing x86reducer-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate x86reducer 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate x86reducer 0.1.0
[INFO] finished tweaking crates.io crate x86reducer 0.1.0
[INFO] tweaked toml for crates.io crate x86reducer 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate x86reducer 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate x86reducer 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed87dfd8d893959aa5abade91c179d39323fd414a0fa4970456b12052317b2a5
[INFO] running `Command { std: "docker" "start" "-a" "ed87dfd8d893959aa5abade91c179d39323fd414a0fa4970456b12052317b2a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed87dfd8d893959aa5abade91c179d39323fd414a0fa4970456b12052317b2a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed87dfd8d893959aa5abade91c179d39323fd414a0fa4970456b12052317b2a5", kill_on_drop: false }`
[INFO] [stdout] ed87dfd8d893959aa5abade91c179d39323fd414a0fa4970456b12052317b2a5
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92f38f7e937ccce67ad1b27034d6e4975b48c03be8bc7916b73e3caf382dada1
[INFO] running `Command { std: "docker" "start" "-a" "92f38f7e937ccce67ad1b27034d6e4975b48c03be8bc7916b73e3caf382dada1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling libc v0.2.116
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling textwrap v0.14.2
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling clap_derive v3.0.14
[INFO] [stderr]    Compiling clap v3.0.14
[INFO] [stderr]    Compiling x86reducer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/disasm.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 |     FileIOError(String),
[INFO] [stdout]   |     ----------- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `DisasmError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 6 -     FileIOError(String),
[INFO] [stdout] 6 +     FileIOError(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.11s
[INFO] running `Command { std: "docker" "inspect" "92f38f7e937ccce67ad1b27034d6e4975b48c03be8bc7916b73e3caf382dada1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92f38f7e937ccce67ad1b27034d6e4975b48c03be8bc7916b73e3caf382dada1", kill_on_drop: false }`
[INFO] [stdout] 92f38f7e937ccce67ad1b27034d6e4975b48c03be8bc7916b73e3caf382dada1
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f225e83422865ecf7902345e81ecfb5a234b0037a9ac5fe07de3d0c3fa518a47
[INFO] running `Command { std: "docker" "start" "-a" "f225e83422865ecf7902345e81ecfb5a234b0037a9ac5fe07de3d0c3fa518a47", kill_on_drop: false }`
[INFO] [stderr]    Compiling x86reducer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/disasm.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 |     FileIOError(String),
[INFO] [stdout]   |     ----------- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `DisasmError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 6 -     FileIOError(String),
[INFO] [stdout] 6 +     FileIOError(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "f225e83422865ecf7902345e81ecfb5a234b0037a9ac5fe07de3d0c3fa518a47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f225e83422865ecf7902345e81ecfb5a234b0037a9ac5fe07de3d0c3fa518a47", kill_on_drop: false }`
[INFO] [stdout] f225e83422865ecf7902345e81ecfb5a234b0037a9ac5fe07de3d0c3fa518a47
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ff882888e55ce512c512ca647746952eb19eb263d46804dd3a1f56259b803ce9
[INFO] running `Command { std: "docker" "start" "-a" "ff882888e55ce512c512ca647746952eb19eb263d46804dd3a1f56259b803ce9", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> src/disasm.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 |     FileIOError(String),
[INFO] [stderr]   |     ----------- ^^^^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     field in this variant
[INFO] [stderr]   |
[INFO] [stderr]   = note: `DisasmError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]   |
[INFO] [stderr] 6 -     FileIOError(String),
[INFO] [stderr] 6 +     FileIOError(()),
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: `x86reducer` (bin "x86reducer" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/x86reducer-29e2ec8738bd3a29)
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test disasm::disasm_test::test_sib_decoding ... ok
[INFO] [stdout] test disasm::disasm_test::test_modrm_decoding ... ok
[INFO] [stdout] test disasm::instruction_tests::decode_01_03_family ... ok
[INFO] [stdout] test disasm::instruction_tests::decode_0xff ... ok
[INFO] [stdout] test disasm::instruction_tests::decode_accumulators ... ok
[INFO] [stdout] test disasm::instruction_tests::decode_add ... ok
[INFO] [stdout] test disasm::instruction_tests::decode_0x81 ... ok
[INFO] [stdout] test disasm::instruction_tests::decode_add_01_03 ... ok
[INFO] [stdout] test disasm::instruction_tests::decode_call_rel32 ... ok
[INFO] [stdout] test disasm::instruction_tests::decode_clflush ... ok
[INFO] [stdout] test disasm::instruction_tests::decode_dec_r32 ... ok
[INFO] [stdout] test disasm::instruction_tests::decode_f7_family ... ok
[INFO] [stdout] test disasm::instruction_tests::decode_jcc_rel32 ... ok
[INFO] [stdout] test disasm::instruction_tests::decode_nop ... ok
[INFO] [stdout] test disasm::instruction_tests::decode_pop_58 ... ok
[INFO] [stdout] test disasm::instruction_tests::decode_pop_8f ... ok
[INFO] [stdout] test disasm::instruction_tests::decode_returns ... ok
[INFO] [stdout] test disasm::instruction_tests::test_inc ... ok
[INFO] [stdout] test disasm::instruction_tests::test_jump ... ok
[INFO] [stdout] test disasm::instruction_tests::test_jz_jnz_rel8 ... ok
[INFO] [stdout] test disasm::instruction_tests::test_lea ... ok
[INFO] [stdout] test disasm::instruction_tests::test_mov_rm_imm ... ok
[INFO] [stdout] test disasm::instruction_tests::test_movsd ... ok
[INFO] [stdout] test disasm::instruction_tests::test_push ... ok
[INFO] [stdout] test disasm::instruction_tests::test_openc_mov ... ok
[INFO] [stdout] test disasm::instruction_tests::test_repne_cmpsd ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ff882888e55ce512c512ca647746952eb19eb263d46804dd3a1f56259b803ce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff882888e55ce512c512ca647746952eb19eb263d46804dd3a1f56259b803ce9", kill_on_drop: false }`
[INFO] [stdout] ff882888e55ce512c512ca647746952eb19eb263d46804dd3a1f56259b803ce9