[INFO] fetching crate mijit 0.1.8...
[INFO] checking mijit-0.1.8 against try#0004f98fdd309b1940390200ae28913f7fbd736f for pr-101478
[INFO] extracting crate mijit 0.1.8 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate mijit 0.1.8 on toolchain 0004f98fdd309b1940390200ae28913f7fbd736f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0004f98fdd309b1940390200ae28913f7fbd736f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate mijit 0.1.8
[INFO] finished tweaking crates.io crate mijit 0.1.8
[INFO] tweaked toml for crates.io crate mijit 0.1.8 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0004f98fdd309b1940390200ae28913f7fbd736f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0004f98fdd309b1940390200ae28913f7fbd736f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+0004f98fdd309b1940390200ae28913f7fbd736f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7bd214986ebbbf0b11ff833a955fb6efaec6a13f1cfc3fa593af9bcccfa1759
[INFO] running `Command { std: "docker" "start" "-a" "b7bd214986ebbbf0b11ff833a955fb6efaec6a13f1cfc3fa593af9bcccfa1759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7bd214986ebbbf0b11ff833a955fb6efaec6a13f1cfc3fa593af9bcccfa1759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7bd214986ebbbf0b11ff833a955fb6efaec6a13f1cfc3fa593af9bcccfa1759", kill_on_drop: false }`
[INFO] [stdout] b7bd214986ebbbf0b11ff833a955fb6efaec6a13f1cfc3fa593af9bcccfa1759
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+0004f98fdd309b1940390200ae28913f7fbd736f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69c78c4c3ddb0f67caa5b6bd2eaa5ff04e692b1e5b7ee55111e126a5f110001b
[INFO] running `Command { std: "docker" "start" "-a" "69c78c4c3ddb0f67caa5b6bd2eaa5ff04e692b1e5b7ee55111e126a5f110001b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling bindgen v0.59.2
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling libloading v0.7.3
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling clang-sys v1.3.3
[INFO] [stderr]     Checking iced-x86 v1.17.0
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling nom v7.1.1
[INFO] [stderr]     Checking cstr_core v0.2.6
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking mijit v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling bad64-sys v0.3.1
[INFO] [stderr]     Checking bad64 v0.4.0
[INFO] [stdout] error[E0512]: cannot transmute between types of different sizes, or dependently-sized types
[INFO] [stdout]    --> src/optimizer/builder/allocator/usage.rs:119:46
[INFO] [stdout]     |
[INFO] [stdout] 119 |         let mut head: Option<Use> = unsafe { std::mem::transmute(usage.first(value.clone())) };
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: source type: `Option<impl Ord>` (size can vary because of impl Ord)
[INFO] [stdout]     = note: target type: `Option<usage::Use>` (64 bits)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0512`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mijit` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "69c78c4c3ddb0f67caa5b6bd2eaa5ff04e692b1e5b7ee55111e126a5f110001b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69c78c4c3ddb0f67caa5b6bd2eaa5ff04e692b1e5b7ee55111e126a5f110001b", kill_on_drop: false }`
[INFO] [stdout] 69c78c4c3ddb0f67caa5b6bd2eaa5ff04e692b1e5b7ee55111e126a5f110001b