[INFO] fetching crate x86reducer 0.1.0...
[INFO] testing x86reducer-0.1.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate x86reducer 0.1.0 into /workspace/builds/worker-7-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-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate x86reducer 0.1.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] deed79fb48e62ccc0bb9f9d6ccff33a6650bd4c31186097e4b3c80e0638882e1
[INFO] running `Command { std: "docker" "start" "-a" "deed79fb48e62ccc0bb9f9d6ccff33a6650bd4c31186097e4b3c80e0638882e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "deed79fb48e62ccc0bb9f9d6ccff33a6650bd4c31186097e4b3c80e0638882e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deed79fb48e62ccc0bb9f9d6ccff33a6650bd4c31186097e4b3c80e0638882e1", kill_on_drop: false }`
[INFO] [stdout] deed79fb48e62ccc0bb9f9d6ccff33a6650bd4c31186097e4b3c80e0638882e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9e126279c9ee841402552c52043f28461b189fa109107fe11f09acc91b45faf
[INFO] running `Command { std: "docker" "start" "-a" "c9e126279c9ee841402552c52043f28461b189fa109107fe11f09acc91b45faf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.116
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling textwrap v0.14.2
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.0.14
[INFO] [stderr]    Compiling atty v0.2.14
[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 5.37s
[INFO] running `Command { std: "docker" "inspect" "c9e126279c9ee841402552c52043f28461b189fa109107fe11f09acc91b45faf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9e126279c9ee841402552c52043f28461b189fa109107fe11f09acc91b45faf", kill_on_drop: false }`
[INFO] [stdout] c9e126279c9ee841402552c52043f28461b189fa109107fe11f09acc91b45faf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ec6cfcd3663cad818dd4fa4913cfbb5c4ea573fd611974ddb3cd54228d55248
[INFO] running `Command { std: "docker" "start" "-a" "6ec6cfcd3663cad818dd4fa4913cfbb5c4ea573fd611974ddb3cd54228d55248", 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 0.63s
[INFO] running `Command { std: "docker" "inspect" "6ec6cfcd3663cad818dd4fa4913cfbb5c4ea573fd611974ddb3cd54228d55248", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ec6cfcd3663cad818dd4fa4913cfbb5c4ea573fd611974ddb3cd54228d55248", kill_on_drop: false }`
[INFO] [stdout] 6ec6cfcd3663cad818dd4fa4913cfbb5c4ea573fd611974ddb3cd54228d55248
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ca321e4204e45f4f17fa8cc06f6dc3abcdf418c296a4faf31efe9bd79aa6b06c
[INFO] running `Command { std: "docker" "start" "-a" "ca321e4204e45f4f17fa8cc06f6dc3abcdf418c296a4faf31efe9bd79aa6b06c", 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 0.02s
[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_modrm_decoding ... ok
[INFO] [stdout] test disasm::disasm_test::test_sib_decoding ... ok
[INFO] [stdout] test disasm::instruction_tests::decode_01_03_family ... ok
[INFO] [stdout] test disasm::instruction_tests::decode_0x81 ... 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_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_movsd ... ok
[INFO] [stdout] test disasm::instruction_tests::test_openc_mov ... ok
[INFO] [stdout] test disasm::instruction_tests::test_push ... ok
[INFO] [stdout] test disasm::instruction_tests::test_mov_rm_imm ... 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" "ca321e4204e45f4f17fa8cc06f6dc3abcdf418c296a4faf31efe9bd79aa6b06c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca321e4204e45f4f17fa8cc06f6dc3abcdf418c296a4faf31efe9bd79aa6b06c", kill_on_drop: false }`
[INFO] [stdout] ca321e4204e45f4f17fa8cc06f6dc3abcdf418c296a4faf31efe9bd79aa6b06c