[INFO] fetching crate fake_type 0.1.4...
[INFO] testing fake_type-0.1.4 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate fake_type 0.1.4 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate fake_type 0.1.4
[INFO] finished tweaking crates.io crate fake_type 0.1.4
[INFO] tweaked toml for crates.io crate fake_type 0.1.4 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fake_type 0.1.4 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 798aaf7dc032abca87661cd88b2f3d93e3ad1cc049f2769ee6766c0bb5626033
[INFO] running `Command { std: "docker" "start" "798aaf7dc032abca87661cd88b2f3d93e3ad1cc049f2769ee6766c0bb5626033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "798aaf7dc032abca87661cd88b2f3d93e3ad1cc049f2769ee6766c0bb5626033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "798aaf7dc032abca87661cd88b2f3d93e3ad1cc049f2769ee6766c0bb5626033" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "798aaf7dc032abca87661cd88b2f3d93e3ad1cc049f2769ee6766c0bb5626033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "798aaf7dc032abca87661cd88b2f3d93e3ad1cc049f2769ee6766c0bb5626033" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling fake_type v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: cannot find `windows` in `os`
[INFO] [stdout]  --> src/lib.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::os::windows::fs::FileExt;
[INFO] [stdout]   |              ^^^^^^^ could not find `windows` in `os`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `seek_write` found for struct `File` in the current scope
[INFO] [stdout]   --> src/lib.rs:49:14
[INFO] [stdout]    |
[INFO] [stdout] 49 |     f_writer.seek_write(f_type.bytes.as_slice(), 0)?;
[INFO] [stdout]    |              ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `write` with a similar name, but with different arguments
[INFO] [stdout]   --> /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/io/write.rs:101:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `seek_write` found for struct `File` in the current scope
[INFO] [stdout]   --> src/lib.rs:52:14
[INFO] [stdout]    |
[INFO] [stdout] 52 |     f_writer.seek_write(data.as_slice(), offset)?;
[INFO] [stdout]    |              ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `write` with a similar name, but with different arguments
[INFO] [stdout]   --> /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/io/write.rs:101:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `seek_read` found for struct `File` in the current scope
[INFO] [stdout]   --> src/lib.rs:80:14
[INFO] [stdout]    |
[INFO] [stdout] 80 |     f_reader.seek_read(data.as_mut_slice(), offset)?;
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `seek_relative` with a similar name, but with different arguments
[INFO] [stdout]   --> /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/io/seek.rs:171:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `seek_write` found for struct `File` in the current scope
[INFO] [stdout]   --> src/lib.rs:84:14
[INFO] [stdout]    |
[INFO] [stdout] 84 |     f_writer.seek_write(head, 0)?;
[INFO] [stdout]    |              ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `write` with a similar name, but with different arguments
[INFO] [stdout]   --> /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/io/write.rs:101:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `seek_read` found for struct `File` in the current scope
[INFO] [stdout]    --> src/lib.rs:114:14
[INFO] [stdout]     |
[INFO] [stdout] 114 |     f_reader.seek_read(&mut data, offset)?;
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `seek_relative` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/io/seek.rs:171:4
[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 `fake_type` (lib) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "798aaf7dc032abca87661cd88b2f3d93e3ad1cc049f2769ee6766c0bb5626033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "798aaf7dc032abca87661cd88b2f3d93e3ad1cc049f2769ee6766c0bb5626033", kill_on_drop: false }`
[INFO] [stdout] 798aaf7dc032abca87661cd88b2f3d93e3ad1cc049f2769ee6766c0bb5626033
