[INFO] fetching crate mltg 0.8.1...
[INFO] testing mltg-0.8.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate mltg 0.8.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate mltg 0.8.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mltg 0.8.1
[INFO] finished tweaking crates.io crate mltg 0.8.1
[INFO] tweaked toml for crates.io crate mltg 0.8.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate mltg 0.8.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab153ed8d3fae76c6e21f1b885ac555f45d378e9a8ed713bfdd95129350524d5
[INFO] running `Command { std: "docker" "start" "-a" "ab153ed8d3fae76c6e21f1b885ac555f45d378e9a8ed713bfdd95129350524d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab153ed8d3fae76c6e21f1b885ac555f45d378e9a8ed713bfdd95129350524d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab153ed8d3fae76c6e21f1b885ac555f45d378e9a8ed713bfdd95129350524d5", kill_on_drop: false }`
[INFO] [stdout] ab153ed8d3fae76c6e21f1b885ac555f45d378e9a8ed713bfdd95129350524d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab406a2faf22508d0e249f2c09db9c0c2d1918d41d13a6a420a9870c865c9e28
[INFO] running `Command { std: "docker" "start" "-a" "ab406a2faf22508d0e249f2c09db9c0c2d1918d41d13a6a420a9870c865c9e28", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling windows v0.35.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stdout] error[E0433]: failed to resolve: could not find `windows` in `os`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/windows-0.35.0/src/core/pcwstr.rs:60:24
[INFO] [stdout]    |
[INFO] [stdout] 60 |         use ::std::os::windows::ffi::OsStrExt;
[INFO] [stdout]    |                        ^^^^^^^ could not find `windows` in `os`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling gecl v0.0.2
[INFO] [stdout] error[E0599]: no method named `encode_wide` found for reference `&OsStr` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/windows-0.35.0/src/core/pcwstr.rs:61:72
[INFO] [stdout]    |
[INFO] [stdout] 61 |         unsafe { Param::Boxed(PCWSTR(bindings::SysAllocStringLen(&self.encode_wide().collect::<alloc::vec::Vec<u16>>()).into_raw())) }
[INFO] [stdout]    |                                                                        ^^^^^^^^^^^ method not found in `&OsStr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `windows` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "ab406a2faf22508d0e249f2c09db9c0c2d1918d41d13a6a420a9870c865c9e28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab406a2faf22508d0e249f2c09db9c0c2d1918d41d13a6a420a9870c865c9e28", kill_on_drop: false }`
[INFO] [stdout] ab406a2faf22508d0e249f2c09db9c0c2d1918d41d13a6a420a9870c865c9e28