[INFO] cloning repository https://github.com/isNozo/x86_emu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/isNozo/x86_emu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FisNozo%2Fx86_emu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FisNozo%2Fx86_emu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 451e5717aece59a21c7e8de8fe386740bcef05d3
[INFO] testing isNozo/x86_emu against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FisNozo%2Fx86_emu" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/isNozo/x86_emu on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/isNozo/x86_emu
[INFO] finished tweaking git repo https://github.com/isNozo/x86_emu
[INFO] tweaked toml for git repo https://github.com/isNozo/x86_emu written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/isNozo/x86_emu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", 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] 96fe44bf51ff4472185927e73a72ebc6f239e53d7f471710f4dd5047b017a425
[INFO] running `Command { std: "docker" "start" "-a" "96fe44bf51ff4472185927e73a72ebc6f239e53d7f471710f4dd5047b017a425", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96fe44bf51ff4472185927e73a72ebc6f239e53d7f471710f4dd5047b017a425", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96fe44bf51ff4472185927e73a72ebc6f239e53d7f471710f4dd5047b017a425", kill_on_drop: false }`
[INFO] [stdout] 96fe44bf51ff4472185927e73a72ebc6f239e53d7f471710f4dd5047b017a425
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cee635b58c5c06cd065aa5e76d4ba9de67d8d97f7dc7cacf4ec8e3b8528e59d
[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" "9cee635b58c5c06cd065aa5e76d4ba9de67d8d97f7dc7cacf4ec8e3b8528e59d", kill_on_drop: false }`
[INFO] [stderr]    Compiling x86_emu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `emu`
[INFO] [stdout]  --> src/modrm.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn parse_modrm(emu: &Emulator) -> ModRM {
[INFO] [stdout]   |                    ^^^ help: if this is intentional, prefix it with an underscore: `_emu`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `emu`
[INFO] [stdout]   --> src/modrm.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn set_rm32(emu: &mut Emulator, modrm: &ModRM, value: u32) {
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_emu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `modrm`
[INFO] [stdout]   --> src/modrm.rs:10:37
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn set_rm32(emu: &mut Emulator, modrm: &ModRM, value: u32) {
[INFO] [stdout]    |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_modrm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/modrm.rs:10:52
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn set_rm32(emu: &mut Emulator, modrm: &ModRM, value: u32) {
[INFO] [stdout]    |                                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "9cee635b58c5c06cd065aa5e76d4ba9de67d8d97f7dc7cacf4ec8e3b8528e59d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cee635b58c5c06cd065aa5e76d4ba9de67d8d97f7dc7cacf4ec8e3b8528e59d", kill_on_drop: false }`
[INFO] [stdout] 9cee635b58c5c06cd065aa5e76d4ba9de67d8d97f7dc7cacf4ec8e3b8528e59d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] ea065a94767eadd30e2bba7975362b33438a46b4562503351e0ab1763a1621bf
[INFO] running `Command { std: "docker" "start" "-a" "ea065a94767eadd30e2bba7975362b33438a46b4562503351e0ab1763a1621bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling x86_emu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `emu`
[INFO] [stdout]  --> src/modrm.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn parse_modrm(emu: &Emulator) -> ModRM {
[INFO] [stdout]   |                    ^^^ help: if this is intentional, prefix it with an underscore: `_emu`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `emu`
[INFO] [stdout]   --> src/modrm.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn set_rm32(emu: &mut Emulator, modrm: &ModRM, value: u32) {
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_emu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `modrm`
[INFO] [stdout]   --> src/modrm.rs:10:37
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn set_rm32(emu: &mut Emulator, modrm: &ModRM, value: u32) {
[INFO] [stdout]    |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_modrm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/modrm.rs:10:52
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn set_rm32(emu: &mut Emulator, modrm: &ModRM, value: u32) {
[INFO] [stdout]    |                                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "ea065a94767eadd30e2bba7975362b33438a46b4562503351e0ab1763a1621bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea065a94767eadd30e2bba7975362b33438a46b4562503351e0ab1763a1621bf", kill_on_drop: false }`
[INFO] [stdout] ea065a94767eadd30e2bba7975362b33438a46b4562503351e0ab1763a1621bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8d0fe26a51a88d28cb2329bc9558e28c791588722cd42aa9a497702acb3203f4
[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" "8d0fe26a51a88d28cb2329bc9558e28c791588722cd42aa9a497702acb3203f4", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `emu`
[INFO] [stderr]  --> src/modrm.rs:6:20
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn parse_modrm(emu: &Emulator) -> ModRM {
[INFO] [stderr]   |                    ^^^ help: if this is intentional, prefix it with an underscore: `_emu`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `emu`
[INFO] [stderr]   --> src/modrm.rs:10:17
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn set_rm32(emu: &mut Emulator, modrm: &ModRM, value: u32) {
[INFO] [stderr]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_emu`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `modrm`
[INFO] [stderr]   --> src/modrm.rs:10:37
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn set_rm32(emu: &mut Emulator, modrm: &ModRM, value: u32) {
[INFO] [stderr]    |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_modrm`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> src/modrm.rs:10:52
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn set_rm32(emu: &mut Emulator, modrm: &ModRM, value: u32) {
[INFO] [stderr]    |                                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/x86_emu-a51b32e898f6d2ae)
[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" "8d0fe26a51a88d28cb2329bc9558e28c791588722cd42aa9a497702acb3203f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d0fe26a51a88d28cb2329bc9558e28c791588722cd42aa9a497702acb3203f4", kill_on_drop: false }`
[INFO] [stdout] 8d0fe26a51a88d28cb2329bc9558e28c791588722cd42aa9a497702acb3203f4