[INFO] cloning repository https://github.com/KOBA789/vecexp-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KOBA789/vecexp-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKOBA789%2Fvecexp-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKOBA789%2Fvecexp-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e96ae7d1ff93f55615ba71481ea3b2612aac309b
[INFO] checking KOBA789/vecexp-rs against beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKOBA789%2Fvecexp-rs" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KOBA789/vecexp-rs on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KOBA789/vecexp-rs
[INFO] finished tweaking git repo https://github.com/KOBA789/vecexp-rs
[INFO] tweaked toml for git repo https://github.com/KOBA789/vecexp-rs written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/KOBA789/vecexp-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a1d0c4427cf291bfdc4a71fc876471fadd65212be183848cb014a7ab105fa89c
[INFO] running `Command { std: "docker" "start" "-a" "a1d0c4427cf291bfdc4a71fc876471fadd65212be183848cb014a7ab105fa89c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1d0c4427cf291bfdc4a71fc876471fadd65212be183848cb014a7ab105fa89c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1d0c4427cf291bfdc4a71fc876471fadd65212be183848cb014a7ab105fa89c", kill_on_drop: false }`
[INFO] [stdout] a1d0c4427cf291bfdc4a71fc876471fadd65212be183848cb014a7ab105fa89c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=forbid" "-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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e5e0e1e527fd405971f20d2ffffd13e5f54a3dc96ac9a6e6cb979b50ca07faf0
[INFO] running `Command { std: "docker" "start" "-a" "e5e0e1e527fd405971f20d2ffffd13e5f54a3dc96ac9a6e6cb979b50ca07faf0", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]     Checking vec_map v0.7.0
[INFO] [stderr]     Checking unicode-segmentation v1.1.0
[INFO] [stderr]     Checking linked-hash-map v0.4.2
[INFO] [stderr]     Checking combine v2.3.2
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking filebuffer v0.1.0 (https://github.com/ruuda/filebuffer.git?rev=4a55662#4a55662b)
[INFO] [stderr]     Checking clap v2.23.3
[INFO] [stderr]     Checking vecexp-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/vm.rs:59:37
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn exec(&self, writer: &mut io::Write, limit: Option<usize>) -> Option<()> {
[INFO] [stdout]    |                                     ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/index.rs:80:17
[INFO] [stdout]    |
[INFO] [stdout] 80 |     bundle: &'a IndexFileBundle,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IndexFileBundle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/index.rs:84:28
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn new(bundle: &'a IndexFileBundle) -> Indexer<'a> {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IndexFileBundle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/index.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 90 |         Ok((io::BufWriter::new(fs::File::create(path)?)))
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/macros.rs:16:51
[INFO] [stdout]    |
[INFO] [stdout] 16 |             let mut array: [$ty; $len] = unsafe { ::std::mem::uninitialized() };
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/index.rs:31:39
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let mut features_per_column = init_array!(FeatList, COLS, FeatList::new());
[INFO] [stdout]    |                                       -------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/macros.rs:16:51
[INFO] [stdout]     |
[INFO] [stdout] 16  |             let mut array: [$ty; $len] = unsafe { ::std::mem::uninitialized() };
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/index.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |             init_array!(LinkedHashMap<BorrowFeat, FeatId>, COLS, LinkedHashMap::new());
[INFO] [stdout]     |             -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/vm.rs:59:37
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn exec(&self, writer: &mut io::Write, limit: Option<usize>) -> Option<()> {
[INFO] [stdout]    |                                     ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/index.rs:80:17
[INFO] [stdout]    |
[INFO] [stdout] 80 |     bundle: &'a IndexFileBundle,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IndexFileBundle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/index.rs:84:28
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn new(bundle: &'a IndexFileBundle) -> Indexer<'a> {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IndexFileBundle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/index.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 90 |         Ok((io::BufWriter::new(fs::File::create(path)?)))
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/macros.rs:16:51
[INFO] [stdout]    |
[INFO] [stdout] 16 |             let mut array: [$ty; $len] = unsafe { ::std::mem::uninitialized() };
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/index.rs:31:39
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let mut features_per_column = init_array!(FeatList, COLS, FeatList::new());
[INFO] [stdout]    |                                       -------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/macros.rs:16:51
[INFO] [stdout]     |
[INFO] [stdout] 16  |             let mut array: [$ty; $len] = unsafe { ::std::mem::uninitialized() };
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/index.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |             init_array!(LinkedHashMap<BorrowFeat, FeatId>, COLS, LinkedHashMap::new());
[INFO] [stdout]     |             -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/index.rs:32:23
[INFO] [stdout]    |
[INFO] [stdout] 32 |         for (column, (mut pool, mut features)) in
[INFO] [stdout]    |                       ----^^^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/index.rs:32:33
[INFO] [stdout]    |
[INFO] [stdout] 32 |         for (column, (mut pool, mut features)) in
[INFO] [stdout]    |                                 ----^^^^^^^^
[INFO] [stdout]    |                                 |
[INFO] [stdout]    |                                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/index.rs:47:31
[INFO] [stdout]    |
[INFO] [stdout] 47 | ...                   mut bufs: &mut Vec<FileBuffer>,
[INFO] [stdout]    |                       ----^^^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/index.rs:58:30
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn body_table<'a>(&self, mut bufs: &'a mut Vec<FileBuffer>) -> BodyTable<'a> {
[INFO] [stdout]    |                              ----^^^^
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/index.rs:129:22
[INFO] [stdout]     |
[INFO] [stdout] 129 |                 for (mut column, (feat, mut feature_id_map)) in zipped {
[INFO] [stdout]     |                      ----^^^^^^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/index.rs:129:41
[INFO] [stdout]     |
[INFO] [stdout] 129 |                 for (mut column, (feat, mut feature_id_map)) in zipped {
[INFO] [stdout]     |                                         ----^^^^^^^^^^^^^^
[INFO] [stdout]     |                                         |
[INFO] [stdout]     |                                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/index.rs:143:31
[INFO] [stdout]     |
[INFO] [stdout] 143 |                 for (feat_id, mut column) in row.iter().zip(columns.iter_mut()) {
[INFO] [stdout]     |                               ----^^^^^^
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/index.rs:32:23
[INFO] [stdout]    |
[INFO] [stdout] 32 |         for (column, (mut pool, mut features)) in
[INFO] [stdout]    |                       ----^^^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/index.rs:32:33
[INFO] [stdout]    |
[INFO] [stdout] 32 |         for (column, (mut pool, mut features)) in
[INFO] [stdout]    |                                 ----^^^^^^^^
[INFO] [stdout]    |                                 |
[INFO] [stdout]    |                                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/index.rs:47:31
[INFO] [stdout]    |
[INFO] [stdout] 47 | ...                   mut bufs: &mut Vec<FileBuffer>,
[INFO] [stdout]    |                       ----^^^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/index.rs:58:30
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn body_table<'a>(&self, mut bufs: &'a mut Vec<FileBuffer>) -> BodyTable<'a> {
[INFO] [stdout]    |                              ----^^^^
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stdout]    --> src/index.rs:155:67
[INFO] [stdout]     |
[INFO] [stdout] 155 |             for (column, feature_id_map) in feature_id_map_bundle.into_iter().enumerate() {
[INFO] [stdout]     |                                                                   ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/index.rs:129:22
[INFO] [stdout]     |
[INFO] [stdout] 129 |                 for (mut column, (feat, mut feature_id_map)) in zipped {
[INFO] [stdout]     |                      ----^^^^^^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/index.rs:129:41
[INFO] [stdout]     |
[INFO] [stdout] 129 |                 for (mut column, (feat, mut feature_id_map)) in zipped {
[INFO] [stdout]     |                                         ----^^^^^^^^^^^^^^
[INFO] [stdout]     |                                         |
[INFO] [stdout]     |                                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/index.rs:143:31
[INFO] [stdout]     |
[INFO] [stdout] 143 |                 for (feat_id, mut column) in row.iter().zip(columns.iter_mut()) {
[INFO] [stdout]     |                               ----^^^^^^
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stdout]    --> src/index.rs:155:67
[INFO] [stdout]     |
[INFO] [stdout] 155 |             for (column, feature_id_map) in feature_id_map_bundle.into_iter().enumerate() {
[INFO] [stdout]     |                                                                   ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.41s
[INFO] running `Command { std: "docker" "inspect" "e5e0e1e527fd405971f20d2ffffd13e5f54a3dc96ac9a6e6cb979b50ca07faf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5e0e1e527fd405971f20d2ffffd13e5f54a3dc96ac9a6e6cb979b50ca07faf0", kill_on_drop: false }`
[INFO] [stdout] e5e0e1e527fd405971f20d2ffffd13e5f54a3dc96ac9a6e6cb979b50ca07faf0
