[INFO] fetching crate yaxpeax-x86 0.2.0...
[INFO] checking yaxpeax-x86-0.2.0 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate yaxpeax-x86 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate yaxpeax-x86 0.2.0 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yaxpeax-x86 0.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate yaxpeax-x86 0.2.0
[INFO] tweaked toml for crates.io crate yaxpeax-x86 0.2.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d737d5d2c5c83609539c0dd3f26093aaac1b10b3f0634e0a4a7e7d74a728627d
[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" "d737d5d2c5c83609539c0dd3f26093aaac1b10b3f0634e0a4a7e7d74a728627d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d737d5d2c5c83609539c0dd3f26093aaac1b10b3f0634e0a4a7e7d74a728627d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d737d5d2c5c83609539c0dd3f26093aaac1b10b3f0634e0a4a7e7d74a728627d", kill_on_drop: false }`
[INFO] [stdout] d737d5d2c5c83609539c0dd3f26093aaac1b10b3f0634e0a4a7e7d74a728627d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--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] 9dabbe39e5f4aefb886825769b51c1d6a6ff43ab05619db10cde74fb724421c4
[INFO] running `Command { std: "docker" "start" "-a" "9dabbe39e5f4aefb886825769b51c1d6a6ff43ab05619db10cde74fb724421c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling yaxpeax-x86 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking yaxpeax-arch v0.0.4
[INFO] [stdout] warning: variant is never constructed: `ImmU32`
[INFO] [stdout]     --> src/long_mode/mod.rs:2037:5
[INFO] [stdout]      |
[INFO] [stdout] 2037 |     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:2038:5
[INFO] [stdout]      |
[INFO] [stdout] 2038 |     ImmU64,
[INFO] [stdout]      |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RegIndexBase`
[INFO] [stdout]     --> src/long_mode/mod.rs:2051:5
[INFO] [stdout]      |
[INFO] [stdout] 2051 |     RegIndexBase,
[INFO] [stdout]      |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RegIndexBaseDisp`
[INFO] [stdout]     --> src/long_mode/mod.rs:2052:5
[INFO] [stdout]      |
[INFO] [stdout] 2052 |     RegIndexBaseDisp,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ImmU32`
[INFO] [stdout]     --> src/protected_mode/mod.rs:1951:5
[INFO] [stdout]      |
[INFO] [stdout] 1951 |     ImmU32,
[INFO] [stdout]      |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ImmU32`
[INFO] [stdout]     --> src/long_mode/mod.rs:2037:5
[INFO] [stdout]      |
[INFO] [stdout] 2037 |     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:2038:5
[INFO] [stdout]      |
[INFO] [stdout] 2038 |     ImmU64,
[INFO] [stdout]      |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RegIndexBase`
[INFO] [stdout]     --> src/long_mode/mod.rs:2051:5
[INFO] [stdout]      |
[INFO] [stdout] 2051 |     RegIndexBase,
[INFO] [stdout]      |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RegIndexBaseDisp`
[INFO] [stdout]     --> src/long_mode/mod.rs:2052:5
[INFO] [stdout]      |
[INFO] [stdout] 2052 |     RegIndexBaseDisp,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ImmU32`
[INFO] [stdout]     --> src/protected_mode/mod.rs:1951:5
[INFO] [stdout]      |
[INFO] [stdout] 1951 |     ImmU32,
[INFO] [stdout]      |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.31s
[INFO] running `Command { std: "docker" "inspect" "9dabbe39e5f4aefb886825769b51c1d6a6ff43ab05619db10cde74fb724421c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dabbe39e5f4aefb886825769b51c1d6a6ff43ab05619db10cde74fb724421c4", kill_on_drop: false }`
[INFO] [stdout] 9dabbe39e5f4aefb886825769b51c1d6a6ff43ab05619db10cde74fb724421c4