[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] testing KOBA789/vecexp-rs against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKOBA789%2Fvecexp-rs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KOBA789/vecexp-rs on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "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-4/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-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/ruuda/filebuffer.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded atty v0.2.2
[INFO] [stderr]   Downloaded clap v2.23.3
[INFO] [stderr]   Downloaded unicode-segmentation v1.1.0
[INFO] [stderr]   Downloaded vec_map v0.7.0
[INFO] [stderr]   Downloaded libc v0.2.21
[INFO] [stderr]   Downloaded combine v2.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "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] ac327e772e119da17fc5edfa31033e2de7b8039231e0af403a1b54c09badcb44
[INFO] running `Command { std: "docker" "start" "-a" "ac327e772e119da17fc5edfa31033e2de7b8039231e0af403a1b54c09badcb44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac327e772e119da17fc5edfa31033e2de7b8039231e0af403a1b54c09badcb44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac327e772e119da17fc5edfa31033e2de7b8039231e0af403a1b54c09badcb44", kill_on_drop: false }`
[INFO] [stdout] ac327e772e119da17fc5edfa31033e2de7b8039231e0af403a1b54c09badcb44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9301fb4ba792f374e7cba1c1b10bc2f335264e6ef8aebdcc4aef945d70feda4b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9301fb4ba792f374e7cba1c1b10bc2f335264e6ef8aebdcc4aef945d70feda4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.21
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling bitflags v0.8.2
[INFO] [stderr]    Compiling vec_map v0.7.0
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling unicode-segmentation v1.1.0
[INFO] [stderr]    Compiling ascii v0.7.1
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling linked-hash-map v0.4.2
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling combine v2.3.2
[INFO] [stderr]    Compiling term_size v0.3.0
[INFO] [stderr]    Compiling atty v0.2.2
[INFO] [stderr]    Compiling filebuffer v0.1.0 (https://github.com/ruuda/filebuffer.git?rev=4a55662#4a55662b)
[INFO] [stderr]    Compiling clap v2.23.3
[INFO] [stderr]    Compiling 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 function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/macros.rs:16:51
[INFO] [stdout]    |
[INFO] [stdout] 16 |             let mut array: [$ty; $len] = unsafe { ::std::mem::uninitialized() };
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/index.rs:31:39
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let mut features_per_column = init_array!(FeatList, COLS, FeatList::new());
[INFO] [stdout]    |                                       -------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/macros.rs:16:51
[INFO] [stdout]     |
[INFO] [stdout] 16  |             let mut array: [$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: 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 20.30s
[INFO] running `Command { std: "docker" "inspect" "9301fb4ba792f374e7cba1c1b10bc2f335264e6ef8aebdcc4aef945d70feda4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9301fb4ba792f374e7cba1c1b10bc2f335264e6ef8aebdcc4aef945d70feda4b", kill_on_drop: false }`
[INFO] [stdout] 9301fb4ba792f374e7cba1c1b10bc2f335264e6ef8aebdcc4aef945d70feda4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8871edb131c8cb23c0dee59b2554ff1288d6112ab404474a396d43bdd565f14
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c8871edb131c8cb23c0dee59b2554ff1288d6112ab404474a396d43bdd565f14", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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 function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/macros.rs:16:51
[INFO] [stdout]    |
[INFO] [stdout] 16 |             let mut array: [$ty; $len] = unsafe { ::std::mem::uninitialized() };
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/index.rs:31:39
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let mut features_per_column = init_array!(FeatList, COLS, FeatList::new());
[INFO] [stdout]    |                                       -------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/macros.rs:16:51
[INFO] [stdout]     |
[INFO] [stdout] 16  |             let mut array: [$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: 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 test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "c8871edb131c8cb23c0dee59b2554ff1288d6112ab404474a396d43bdd565f14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8871edb131c8cb23c0dee59b2554ff1288d6112ab404474a396d43bdd565f14", kill_on_drop: false }`
[INFO] [stdout] c8871edb131c8cb23c0dee59b2554ff1288d6112ab404474a396d43bdd565f14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", 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] 81ebb0d7cafa9cd5cb58b52ca5f305ae33cdb33c3da48599a880f7a3e4c8f5c2
[INFO] running `Command { std: "docker" "start" "-a" "81ebb0d7cafa9cd5cb58b52ca5f305ae33cdb33c3da48599a880f7a3e4c8f5c2", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/vm.rs:59:37
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn exec(&self, writer: &mut io::Write, limit: Option<usize>) -> Option<()> {
[INFO] [stderr]    |                                     ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/index.rs:80:17
[INFO] [stderr]    |
[INFO] [stderr] 80 |     bundle: &'a IndexFileBundle,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IndexFileBundle`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/index.rs:84:28
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub fn new(bundle: &'a IndexFileBundle) -> Indexer<'a> {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IndexFileBundle`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/index.rs:90:12
[INFO] [stderr]    |
[INFO] [stderr] 90 |         Ok((io::BufWriter::new(fs::File::create(path)?)))
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/macros.rs:16:51
[INFO] [stderr]    |
[INFO] [stderr] 16 |             let mut array: [$ty; $len] = unsafe { ::std::mem::uninitialized() };
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/index.rs:31:39
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let mut features_per_column = init_array!(FeatList, COLS, FeatList::new());
[INFO] [stderr]    |                                       -------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/macros.rs:16:51
[INFO] [stderr]     |
[INFO] [stderr] 16  |             let mut array: [$ty; $len] = unsafe { ::std::mem::uninitialized() };
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/index.rs:102:13
[INFO] [stderr]     |
[INFO] [stderr] 102 |             init_array!(LinkedHashMap<BorrowFeat, FeatId>, COLS, LinkedHashMap::new());
[INFO] [stderr]     |             -------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/index.rs:32:23
[INFO] [stderr]    |
[INFO] [stderr] 32 |         for (column, (mut pool, mut features)) in
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/index.rs:32:33
[INFO] [stderr]    |
[INFO] [stderr] 32 |         for (column, (mut pool, mut features)) in
[INFO] [stderr]    |                                 ----^^^^^^^^
[INFO] [stderr]    |                                 |
[INFO] [stderr]    |                                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/index.rs:47:31
[INFO] [stderr]    |
[INFO] [stderr] 47 | ...                   mut bufs: &mut Vec<FileBuffer>,
[INFO] [stderr]    |                       ----^^^^
[INFO] [stderr]    |                       |
[INFO] [stderr]    |                       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/index.rs:58:30
[INFO] [stderr]    |
[INFO] [stderr] 58 |     fn body_table<'a>(&self, mut bufs: &'a mut Vec<FileBuffer>) -> BodyTable<'a> {
[INFO] [stderr]    |                              ----^^^^
[INFO] [stderr]    |                              |
[INFO] [stderr]    |                              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/index.rs:129:22
[INFO] [stderr]     |
[INFO] [stderr] 129 |                 for (mut column, (feat, mut feature_id_map)) in zipped {
[INFO] [stderr]     |                      ----^^^^^^
[INFO] [stderr]     |                      |
[INFO] [stderr]     |                      help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/index.rs:129:41
[INFO] [stderr]     |
[INFO] [stderr] 129 |                 for (mut column, (feat, mut feature_id_map)) in zipped {
[INFO] [stderr]     |                                         ----^^^^^^^^^^^^^^
[INFO] [stderr]     |                                         |
[INFO] [stderr]     |                                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/index.rs:143:31
[INFO] [stderr]     |
[INFO] [stderr] 143 |                 for (feat_id, mut column) in row.iter().zip(columns.iter_mut()) {
[INFO] [stderr]     |                               ----^^^^^^
[INFO] [stderr]     |                               |
[INFO] [stderr]     |                               help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]    --> src/index.rs:155:67
[INFO] [stderr]     |
[INFO] [stderr] 155 |             for (column, feature_id_map) in feature_id_map_bundle.into_iter().enumerate() {
[INFO] [stderr]     |                                                                   ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/vecexp_rs-f4045b3509530ac4
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "81ebb0d7cafa9cd5cb58b52ca5f305ae33cdb33c3da48599a880f7a3e4c8f5c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81ebb0d7cafa9cd5cb58b52ca5f305ae33cdb33c3da48599a880f7a3e4c8f5c2", kill_on_drop: false }`
[INFO] [stdout] 81ebb0d7cafa9cd5cb58b52ca5f305ae33cdb33c3da48599a880f7a3e4c8f5c2
