[INFO] updating cached repository Olson3R/advent-of-code-2018-rust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/Olson3R/advent-of-code-2018-rust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/Olson3R/advent-of-code-2018-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/Olson3R/advent-of-code-2018-rust"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Olson3R/advent-of-code-2018-rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Olson3R/advent-of-code-2018-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Olson3R/advent-of-code-2018-rust"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Olson3R/advent-of-code-2018-rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] cf82db87eeb65c5a1305ea0296553c2334d844b4 [INFO] sha for GitHub repo Olson3R/advent-of-code-2018-rust: cf82db87eeb65c5a1305ea0296553c2334d844b4 [INFO] validating manifest of Olson3R/advent-of-code-2018-rust on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of Olson3R/advent-of-code-2018-rust on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing Olson3R/advent-of-code-2018-rust [INFO] finished frobbing Olson3R/advent-of-code-2018-rust [INFO] frobbed toml for Olson3R/advent-of-code-2018-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/Olson3R/advent-of-code-2018-rust/Cargo.toml [INFO] started frobbing Olson3R/advent-of-code-2018-rust [INFO] finished frobbing Olson3R/advent-of-code-2018-rust [INFO] frobbed toml for Olson3R/advent-of-code-2018-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Olson3R/advent-of-code-2018-rust/Cargo.toml [INFO] crate Olson3R/advent-of-code-2018-rust already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing Olson3R/advent-of-code-2018-rust against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Olson3R/advent-of-code-2018-rust:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] fe9e15bd60d89586338f2b630785d4adfb4b28303cccdf33454672f59a586c2f [INFO] running `"docker" "start" "-a" "fe9e15bd60d89586338f2b630785d4adfb4b28303cccdf33454672f59a586c2f"` [INFO] [stderr] Compiling advent-of-code-2018-rust v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/util.rs:9:45 [INFO] [stderr] | [INFO] [stderr] 9 | type Result = std::result::Result>; [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/util.rs:14:13 [INFO] [stderr] | [INFO] [stderr] 14 | let mut br = BufReader::new(&f); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/bin/d05-part2.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `for` head expression [INFO] [stderr] --> src/bin/d05-part2.rs:20:26 [INFO] [stderr] | [INFO] [stderr] 20 | for b in (b'a'..=b'z') { [INFO] [stderr] | ^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/bin/d05-part1.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `for` head expression [INFO] [stderr] --> src/bin/d05-part1.rs:13:18 [INFO] [stderr] | [INFO] [stderr] 13 | for b in (b'a'..=b'z') { [INFO] [stderr] | ^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.34s [INFO] running `"docker" "inspect" "fe9e15bd60d89586338f2b630785d4adfb4b28303cccdf33454672f59a586c2f"` [INFO] running `"docker" "rm" "-f" "fe9e15bd60d89586338f2b630785d4adfb4b28303cccdf33454672f59a586c2f"` [INFO] [stdout] fe9e15bd60d89586338f2b630785d4adfb4b28303cccdf33454672f59a586c2f [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Olson3R/advent-of-code-2018-rust:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] 849558ba36f9d1f58e0acbdf42e62bd62f1edcf914103d69bacf7c07c72cf9b4 [INFO] running `"docker" "start" "-a" "849558ba36f9d1f58e0acbdf42e62bd62f1edcf914103d69bacf7c07c72cf9b4"` [INFO] [stderr] Compiling assert_matches v1.3.0 [INFO] [stderr] Compiling target v1.0.0 [INFO] [stderr] Compiling edit-distance v2.0.1 [INFO] [stderr] Compiling itertools v0.7.11 [INFO] [stderr] Compiling pad v0.1.5 [INFO] [stderr] Compiling smallvec v0.6.7 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling term_size v0.3.1 [INFO] [stderr] Compiling rand v0.4.3 [INFO] [stderr] Compiling nix v0.11.0 [INFO] [stderr] Compiling mio v0.6.16 [INFO] [stderr] Compiling textwrap v0.10.0 [INFO] [stderr] Compiling combine v3.6.3 [INFO] [stderr] Compiling env_proxy v0.2.0 [INFO] [stderr] Compiling tokio-io v0.1.10 [INFO] [stderr] Compiling error-chain v0.12.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling clap v2.32.0 [INFO] [stderr] Compiling docopt v1.0.2 [INFO] [stderr] Compiling env_logger v0.5.13 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling tempdir v0.3.7 [INFO] [stderr] Compiling cargo_metadata v0.6.3 [INFO] [stderr] Compiling failure v0.1.3 [INFO] [stderr] Compiling tokio-codec v0.1.1 [INFO] [stderr] Compiling h2 v0.1.13 [INFO] [stderr] Compiling rand_chacha v0.1.0 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling rand v0.6.1 [INFO] [stderr] Compiling brev v0.1.14 [INFO] [stderr] Compiling dotenv v0.13.0 [INFO] [stderr] Compiling ctrlc v3.1.1 [INFO] [stderr] Compiling parking_lot v0.6.4 [INFO] [stderr] Compiling just v0.3.13 [INFO] [stderr] Compiling tokio-reactor v0.1.7 [INFO] [stderr] Compiling tokio-tcp v0.1.2 [INFO] [stderr] Compiling tokio-udp v0.1.3 [INFO] [stderr] Compiling tokio-uds v0.2.4 [INFO] [stderr] Compiling tokio-threadpool v0.1.9 [INFO] [stderr] Compiling tokio-fs v0.1.4 [INFO] [stderr] Compiling tokio v0.1.13 [INFO] [stderr] Compiling hyper v0.12.16 [INFO] [stderr] Compiling toml_edit v0.1.3 [INFO] [stderr] Compiling hyper-tls v0.3.1 [INFO] [stderr] Compiling reqwest v0.9.5 [INFO] [stderr] error[E0502]: cannot borrow `v` as immutable because it is also borrowed as mutable [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/toml_edit-0.1.3/src/index.rs:55:65 [INFO] [stderr] | [INFO] [stderr] 44 | fn index_or_insert<'v>(&self, v: &'v mut Item) -> &'v mut Item { [INFO] [stderr] | -- lifetime `'v` defined here [INFO] [stderr] 45 | / match *v { [INFO] [stderr] 46 | | Item::ArrayOfTables(ref mut vec) => { [INFO] [stderr] 47 | | vec.values.get_mut(*self).expect("index out of bounds") [INFO] [stderr] 48 | | } [INFO] [stderr] 49 | | Item::Value(ref mut a) if a.is_array() => a [INFO] [stderr] | | --------- mutable borrow occurs here [INFO] [stderr] ... | [INFO] [stderr] 55 | | _ => panic!("cannot access index {} in {:?}", self, v), [INFO] [stderr] | | ^ immutable borrow occurs here [INFO] [stderr] 56 | | } [INFO] [stderr] | |_________- returning this value requires that `v.0` is borrowed for `'v` [INFO] [stderr] [INFO] [stderr] error[E0502]: cannot borrow `v` as immutable because it is also borrowed as mutable [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/toml_edit-0.1.3/src/index.rs:88:63 [INFO] [stderr] | [INFO] [stderr] 70 | fn index_or_insert<'v>(&self, v: &'v mut Item) -> &'v mut Item { [INFO] [stderr] | -- lifetime `'v` defined here [INFO] [stderr] ... [INFO] [stderr] 77 | / match *v { [INFO] [stderr] 78 | | Item::Table(ref mut t) => t.entry(self).or_insert(Item::None), [INFO] [stderr] 79 | | Item::Value(ref mut v) if v.is_inline_table() => { [INFO] [stderr] | | --------- mutable borrow occurs here [INFO] [stderr] 80 | | &mut v [INFO] [stderr] ... | [INFO] [stderr] 88 | | _ => panic!("cannot access key {} in {:?}", self, v), [INFO] [stderr] | | ^ immutable borrow occurs here [INFO] [stderr] 89 | | } [INFO] [stderr] | |_________- returning this value requires that `v.0` is borrowed for `'v` [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0502`. [INFO] [stderr] error: Could not compile `toml_edit`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "849558ba36f9d1f58e0acbdf42e62bd62f1edcf914103d69bacf7c07c72cf9b4"` [INFO] running `"docker" "rm" "-f" "849558ba36f9d1f58e0acbdf42e62bd62f1edcf914103d69bacf7c07c72cf9b4"` [INFO] [stdout] 849558ba36f9d1f58e0acbdf42e62bd62f1edcf914103d69bacf7c07c72cf9b4