[INFO] updating cached repository eden-builder/rust_eden
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/eden-builder/rust_eden
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/eden-builder/rust_eden" "work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/eden-builder/rust_eden"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/eden-builder/rust_eden'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/eden-builder/rust_eden" "work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/eden-builder/rust_eden"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/eden-builder/rust_eden'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e5bebfe630520d6f26049fa8dd449bcc16ade72d
[INFO] sha for GitHub repo eden-builder/rust_eden: e5bebfe630520d6f26049fa8dd449bcc16ade72d
[INFO] validating manifest of eden-builder/rust_eden on toolchain master#efe2f32a6b8217425f361ec7c206910c611c03ee
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of eden-builder/rust_eden on toolchain try#78b0bd8441ef961f6475e3d47fe3bca38cb83432
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing eden-builder/rust_eden
[INFO] finished frobbing eden-builder/rust_eden
[INFO] frobbed toml for eden-builder/rust_eden written to work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/eden-builder/rust_eden/Cargo.toml
[INFO] started frobbing eden-builder/rust_eden
[INFO] finished frobbing eden-builder/rust_eden
[INFO] frobbed toml for eden-builder/rust_eden written to work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/eden-builder/rust_eden/Cargo.toml
[INFO] crate eden-builder/rust_eden already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking eden-builder/rust_eden against master#efe2f32a6b8217425f361ec7c206910c611c03ee for pr-60039
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039/worker-7/master#efe2f32a6b8217425f361ec7c206910c611c03ee:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/eden-builder/rust_eden:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d7ce4e17917271fa9363c2f26861d2b8924638bd39a0f061724fa37af9cc7456
[INFO] running `"docker" "start" "-a" "d7ce4e17917271fa9363c2f26861d2b8924638bd39a0f061724fa37af9cc7456"`
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling nom v4.1.1
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling weedle v0.8.0
[INFO] [stderr]    Compiling env_logger v0.6.0
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.27
[INFO] [stderr]    Compiling web-sys v0.3.10
[INFO] [stderr]     Checking rust_eden v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/utils.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/utils.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]   --> src/main.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let col = column_indexes[0].column(&world);
[INFO] [stderr]    |         ^^^ help: consider prefixing with an underscore: `_col`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]   --> src/main.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let col = column_indexes[0].column(&world);
[INFO] [stderr]    |         ^^^ help: consider prefixing with an underscore: `_col`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `*world` as mutable, as it is behind a `&` reference
[INFO] [stderr]    --> src/utils.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 102 |     pub fn column(&self, world: &WorldFile) -> Column {
[INFO] [stderr]     |                                 ---------- help: consider changing this to be a mutable reference: `&mut utils::WorldFile`
[INFO] [stderr] 103 |         world.column(self.chunk_offset)
[INFO] [stderr]     |         ^^^^^ `world` is a `&` reference, so the data it refers to cannot be borrowed as mutable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0596`.
[INFO] [stderr] error[E0596]: cannot borrow `*world` as mutable, as it is behind a `&` reference
[INFO] [stderr]    --> src/utils.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 102 |     pub fn column(&self, world: &WorldFile) -> Column {
[INFO] [stderr]     |                                 ---------- help: consider changing this to be a mutable reference: `&mut utils::WorldFile`
[INFO] [stderr] 103 |         world.column(self.chunk_offset)
[INFO] [stderr]     |         ^^^^^ `world` is a `&` reference, so the data it refers to cannot be borrowed as mutable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0596`.
[INFO] [stderr] error: Could not compile `rust_eden`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `rust_eden`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d7ce4e17917271fa9363c2f26861d2b8924638bd39a0f061724fa37af9cc7456"`
[INFO] running `"docker" "rm" "-f" "d7ce4e17917271fa9363c2f26861d2b8924638bd39a0f061724fa37af9cc7456"`
[INFO] [stdout] d7ce4e17917271fa9363c2f26861d2b8924638bd39a0f061724fa37af9cc7456