[INFO] fetching crate yaxpeax-x86 0.1.5...
[INFO] checking yaxpeax-x86-0.1.5 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate yaxpeax-x86 0.1.5 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate yaxpeax-x86 0.1.5 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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] b02b51d8c882bc32fea3f5f001fc577dfbca158484422f2d354184f43aba60b4
[INFO] running `Command { std: "docker" "start" "-a" "b02b51d8c882bc32fea3f5f001fc577dfbca158484422f2d354184f43aba60b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b02b51d8c882bc32fea3f5f001fc577dfbca158484422f2d354184f43aba60b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b02b51d8c882bc32fea3f5f001fc577dfbca158484422f2d354184f43aba60b4", kill_on_drop: false }`
[INFO] [stdout] b02b51d8c882bc32fea3f5f001fc577dfbca158484422f2d354184f43aba60b4
[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" "rustops/crates-build-env@sha256:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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] ffd78c555b1519d5f842010525c0c3b1730bd312e8b108ed0d7a63358756f8a5
[INFO] running `Command { std: "docker" "start" "-a" "ffd78c555b1519d5f842010525c0c3b1730bd312e8b108ed0d7a63358756f8a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]    Compiling yaxpeax-x86 v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]    Compiling serde_derive v1.0.123
[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 26.43s
[INFO] running `Command { std: "docker" "inspect" "ffd78c555b1519d5f842010525c0c3b1730bd312e8b108ed0d7a63358756f8a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffd78c555b1519d5f842010525c0c3b1730bd312e8b108ed0d7a63358756f8a5", kill_on_drop: false }`
[INFO] [stdout] ffd78c555b1519d5f842010525c0c3b1730bd312e8b108ed0d7a63358756f8a5