[INFO] fetching crate yaxpeax-x86 0.1.5...
[INFO] checking yaxpeax-x86-0.1.5 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate yaxpeax-x86 0.1.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate yaxpeax-x86 0.1.5 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yaxpeax-x86 0.1.5
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate yaxpeax-x86 0.1.5
[INFO] tweaked toml for crates.io crate yaxpeax-x86 0.1.5 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded yaxpeax-arch v0.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5fc758389de240cde92f73966e858565a12dff2974031f90f76c7e4f8177a9b4
[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" "5fc758389de240cde92f73966e858565a12dff2974031f90f76c7e4f8177a9b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fc758389de240cde92f73966e858565a12dff2974031f90f76c7e4f8177a9b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fc758389de240cde92f73966e858565a12dff2974031f90f76c7e4f8177a9b4", kill_on_drop: false }`
[INFO] [stdout] 5fc758389de240cde92f73966e858565a12dff2974031f90f76c7e4f8177a9b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21d548dd0b887608f6eed200e52d86414ae897d5250ed6ef02776c76f949cf42
[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" "21d548dd0b887608f6eed200e52d86414ae897d5250ed6ef02776c76f949cf42", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]    Compiling yaxpeax-x86 v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking yaxpeax-arch v0.0.4
[INFO] [stdout] warning: variant is never constructed: `ImmU32`
[INFO] [stdout]     --> src/long_mode/mod.rs:1922:5
[INFO] [stdout]      |
[INFO] [stdout] 1922 |     ImmU32,
[INFO] [stdout]      |     ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ImmU64`
[INFO] [stdout]     --> src/long_mode/mod.rs:1923:5
[INFO] [stdout]      |
[INFO] [stdout] 1923 |     ImmU64,
[INFO] [stdout]      |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RegIndexBase`
[INFO] [stdout]     --> src/long_mode/mod.rs:1934:5
[INFO] [stdout]      |
[INFO] [stdout] 1934 |     RegIndexBase,
[INFO] [stdout]      |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RegIndexBaseDisp`
[INFO] [stdout]     --> src/long_mode/mod.rs:1935:5
[INFO] [stdout]      |
[INFO] [stdout] 1935 |     RegIndexBaseDisp,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ImmU32`
[INFO] [stdout]     --> src/protected_mode/mod.rs:1836:5
[INFO] [stdout]      |
[INFO] [stdout] 1836 |     ImmU32,
[INFO] [stdout]      |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ImmU32`
[INFO] [stdout]     --> src/long_mode/mod.rs:1922:5
[INFO] [stdout]      |
[INFO] [stdout] 1922 |     ImmU32,
[INFO] [stdout]      |     ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ImmU64`
[INFO] [stdout]     --> src/long_mode/mod.rs:1923:5
[INFO] [stdout]      |
[INFO] [stdout] 1923 |     ImmU64,
[INFO] [stdout]      |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RegIndexBase`
[INFO] [stdout]     --> src/long_mode/mod.rs:1934:5
[INFO] [stdout]      |
[INFO] [stdout] 1934 |     RegIndexBase,
[INFO] [stdout]      |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RegIndexBaseDisp`
[INFO] [stdout]     --> src/long_mode/mod.rs:1935:5
[INFO] [stdout]      |
[INFO] [stdout] 1935 |     RegIndexBaseDisp,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ImmU32`
[INFO] [stdout]     --> src/protected_mode/mod.rs:1836:5
[INFO] [stdout]      |
[INFO] [stdout] 1836 |     ImmU32,
[INFO] [stdout]      |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.76s
[INFO] running `Command { std: "docker" "inspect" "21d548dd0b887608f6eed200e52d86414ae897d5250ed6ef02776c76f949cf42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21d548dd0b887608f6eed200e52d86414ae897d5250ed6ef02776c76f949cf42", kill_on_drop: false }`
[INFO] [stdout] 21d548dd0b887608f6eed200e52d86414ae897d5250ed6ef02776c76f949cf42