[INFO] crate mmslice 0.1.0 is already in cache
[INFO] testing mmslice-0.1.0 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate mmslice 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate mmslice 0.1.0 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mmslice 0.1.0
[INFO] finished tweaking crates.io crate mmslice 0.1.0
[INFO] tweaked toml for crates.io crate mmslice 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3bf98c1e1735cc6e3ac94ca96e129862af596e8c1492f8ae9a9d8541317b4165
[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" "3bf98c1e1735cc6e3ac94ca96e129862af596e8c1492f8ae9a9d8541317b4165", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bf98c1e1735cc6e3ac94ca96e129862af596e8c1492f8ae9a9d8541317b4165", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bf98c1e1735cc6e3ac94ca96e129862af596e8c1492f8ae9a9d8541317b4165", kill_on_drop: false }`
[INFO] [stdout] 3bf98c1e1735cc6e3ac94ca96e129862af596e8c1492f8ae9a9d8541317b4165
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0eea3242b90efca95909930dbea2dd7a69e14965251ade5b284b28620ccab900
[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" "0eea3242b90efca95909930dbea2dd7a69e14965251ade5b284b28620ccab900", kill_on_drop: false }`
[INFO] [stderr]    Compiling mmslice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved imports `std::os::MemoryMap`, `std::os::MapOption`
[INFO] [stdout]  --> src/lib.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::os::{MemoryMap, MapOption};
[INFO] [stdout]   |               ^^^^^^^^^  ^^^^^^^^^ no `MapOption` in `os`
[INFO] [stdout]   |               |
[INFO] [stdout]   |               no `MemoryMap` in `os`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::os::unix::AsRawFd`
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::os::unix::AsRawFd;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^ no `AsRawFd` in `os::unix`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::num::Int`
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::num::Int;
[INFO] [stdout]    |     ^^^^^^^^^^^^^ no `Int` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `unsafe_destructor` in this scope
[INFO] [stdout]   --> src/lib.rs:87:3
[INFO] [stdout]    |
[INFO] [stdout] 87 | #[unsafe_destructor]
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `AsSlice` in this scope
[INFO] [stdout]   --> src/lib.rs:78:15
[INFO] [stdout]    |
[INFO] [stdout] 78 | impl<T:Sized> AsSlice<T> for MmapSlice<T> {
[INFO] [stdout]    |               ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mmslice`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "0eea3242b90efca95909930dbea2dd7a69e14965251ade5b284b28620ccab900", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0eea3242b90efca95909930dbea2dd7a69e14965251ade5b284b28620ccab900", kill_on_drop: false }`
[INFO] [stdout] 0eea3242b90efca95909930dbea2dd7a69e14965251ade5b284b28620ccab900