[INFO] fetching crate tvm 0.1.0...
[INFO] checking tvm-0.1.0 against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] extracting crate tvm 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tvm 0.1.0 on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tvm 0.1.0
[INFO] finished tweaking crates.io crate tvm 0.1.0
[INFO] tweaked toml for crates.io crate tvm 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rawpointer v0.1.0
[INFO] [stderr]   Downloaded bounded-spsc-queue v0.4.0
[INFO] [stderr]   Downloaded error-chain v0.12.4
[INFO] [stderr]   Downloaded ndarray v0.11.2
[INFO] [stderr]   Downloaded matrixmultiply v0.1.15
[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" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "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] 7f025911721c0ac590b3b2c9b363b3b330aa42a9542d7f9acd9b3cba6a32f07d
[INFO] running `Command { std: "docker" "start" "-a" "7f025911721c0ac590b3b2c9b363b3b330aa42a9542d7f9acd9b3cba6a32f07d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f025911721c0ac590b3b2c9b363b3b330aa42a9542d7f9acd9b3cba6a32f07d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f025911721c0ac590b3b2c9b363b3b330aa42a9542d7f9acd9b3cba6a32f07d", kill_on_drop: false }`
[INFO] [stdout] 7f025911721c0ac590b3b2c9b363b3b330aa42a9542d7f9acd9b3cba6a32f07d
[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=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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83f8f957675d1a8d1c333f0fda4819abdc9e91dbb59af3bb1e4d6e6ae4075a28
[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" "83f8f957675d1a8d1c333f0fda4819abdc9e91dbb59af3bb1e4d6e6ae4075a28", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling ndarray v0.11.2
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking bounded-spsc-queue v0.4.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking tvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/runtime/graph.rs:338:1
[INFO] [stdout]     |
[INFO] [stdout] 338 | /// Converts a string to TVM DLDataTypeCode. @see `String2TVMType` in packed_func.h
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/runtime/graph.rs:361:1
[INFO] [stdout]     |
[INFO] [stdout] 361 | /// Converts a bytes to String.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/runtime/graph.rs:369:1
[INFO] [stdout]     |
[INFO] [stdout] 369 | /// Parses a TVMContext
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/runtime/graph.rs:379:1
[INFO] [stdout]     |
[INFO] [stdout] 379 | /// Parses a DataType
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/runtime/graph.rs:390:1
[INFO] [stdout]     |
[INFO] [stdout] 390 | /// Parses a Tensor from a TVM array file.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/runtime/graph.rs:414:1
[INFO] [stdout]     |
[INFO] [stdout] 414 | /// Parses a graph params dict from a params binary file.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/runtime/packed_func.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub type PackedFunc = Box<Fn(&[TVMArgValue]) -> TVMRetValue + Send + Sync>;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[TVMArgValue]) -> TVMRetValue + Send + Sync`
[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/runtime/packed_func.rs:147:18
[INFO] [stdout]     |
[INFO] [stdout] 147 |   box_value: Box<Any>,
[INFO] [stdout]     |                  ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/runtime/graph.rs:155:21
[INFO] [stdout]     |
[INFO] [stdout] 155 |   op_execs: Vec<Box<Fn() + 'm>>,
[INFO] [stdout]     |                     ^^^^^^^^^ help: use `dyn`: `dyn Fn() + 'm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/runtime/graph.rs:227:23
[INFO] [stdout]     |
[INFO] [stdout] 227 |   ) -> Result<Vec<Box<Fn() + 'm>>> {
[INFO] [stdout]     |                       ^^^^^^^^^ help: use `dyn`: `dyn Fn() + 'm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/runtime/graph.rs:264:19
[INFO] [stdout]     |
[INFO] [stdout] 264 |       let op: Box<Fn()> = box move || {
[INFO] [stdout]     |                   ^^^^ help: use `dyn`: `dyn Fn()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/runtime/threading.rs:4:37
[INFO] [stdout]   |
[INFO] [stdout] 4 |     atomic::{AtomicUsize, Ordering, ATOMIC_USIZE_INIT},
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/runtime/threading.rs:252:27
[INFO] [stdout]     |
[INFO] [stdout] 252 |         pending: Arc::new(ATOMIC_USIZE_INIT),
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/runtime/threading.rs:323:19
[INFO] [stdout]     |
[INFO] [stdout] 323 |     let counter = ATOMIC_USIZE_INIT;
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/runtime/threading.rs:324:24
[INFO] [stdout]     |
[INFO] [stdout] 324 |     let task_ids_sum = ATOMIC_USIZE_INIT;
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/runtime/graph.rs:338:1
[INFO] [stdout]     |
[INFO] [stdout] 338 | /// Converts a string to TVM DLDataTypeCode. @see `String2TVMType` in packed_func.h
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/runtime/graph.rs:361:1
[INFO] [stdout]     |
[INFO] [stdout] 361 | /// Converts a bytes to String.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/runtime/graph.rs:369:1
[INFO] [stdout]     |
[INFO] [stdout] 369 | /// Parses a TVMContext
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/runtime/graph.rs:379:1
[INFO] [stdout]     |
[INFO] [stdout] 379 | /// Parses a DataType
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/runtime/graph.rs:390:1
[INFO] [stdout]     |
[INFO] [stdout] 390 | /// Parses a Tensor from a TVM array file.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/runtime/graph.rs:414:1
[INFO] [stdout]     |
[INFO] [stdout] 414 | /// Parses a graph params dict from a params binary file.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/runtime/packed_func.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub type PackedFunc = Box<Fn(&[TVMArgValue]) -> TVMRetValue + Send + Sync>;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[TVMArgValue]) -> TVMRetValue + Send + Sync`
[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/runtime/packed_func.rs:147:18
[INFO] [stdout]     |
[INFO] [stdout] 147 |   box_value: Box<Any>,
[INFO] [stdout]     |                  ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/runtime/graph.rs:155:21
[INFO] [stdout]     |
[INFO] [stdout] 155 |   op_execs: Vec<Box<Fn() + 'm>>,
[INFO] [stdout]     |                     ^^^^^^^^^ help: use `dyn`: `dyn Fn() + 'm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/runtime/graph.rs:227:23
[INFO] [stdout]     |
[INFO] [stdout] 227 |   ) -> Result<Vec<Box<Fn() + 'm>>> {
[INFO] [stdout]     |                       ^^^^^^^^^ help: use `dyn`: `dyn Fn() + 'm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/runtime/graph.rs:264:19
[INFO] [stdout]     |
[INFO] [stdout] 264 |       let op: Box<Fn()> = box move || {
[INFO] [stdout]     |                   ^^^^ help: use `dyn`: `dyn Fn()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/runtime/threading.rs:4:37
[INFO] [stdout]   |
[INFO] [stdout] 4 |     atomic::{AtomicUsize, Ordering, ATOMIC_USIZE_INIT},
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/runtime/threading.rs:252:27
[INFO] [stdout]     |
[INFO] [stdout] 252 |         pending: Arc::new(ATOMIC_USIZE_INIT),
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::vec::Vec::<T>::remove_item`: Removing the first item equal to a needle is already easily possible with iterators and the current Vec methods. Furthermore, having a method for one particular case of removal (linear search, only the first item, no swap remove) but not for others is inconsistent. This method will be removed soon.
[INFO] [stdout]   --> src/runtime/workspace.rs:54:19
[INFO] [stdout]    |
[INFO] [stdout] 54 |         self.free.remove_item(&idx).unwrap();
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::vec::Vec::<T>::remove_item`: Removing the first item equal to a needle is already easily possible with iterators and the current Vec methods. Furthermore, having a method for one particular case of removal (linear search, only the first item, no swap remove) but not for others is inconsistent. This method will be removed soon.
[INFO] [stdout]   --> src/runtime/workspace.rs:54:19
[INFO] [stdout]    |
[INFO] [stdout] 54 |         self.free.remove_item(&idx).unwrap();
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/runtime/graph.rs:287:11
[INFO] [stdout]     |
[INFO] [stdout] 287 |       let mut owner = to_replace.nth(0).unwrap();
[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: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:5:3
[INFO] [stdout]   |
[INFO] [stdout] 5 |   extern_prelude,
[INFO] [stdout]   |   ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 7 |   try_from,
[INFO] [stdout]   |   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `alloc` has been stable since 1.36.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:3
[INFO] [stdout]   |
[INFO] [stdout] 2 |   alloc,
[INFO] [stdout]   |   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/runtime/graph.rs:287:11
[INFO] [stdout]     |
[INFO] [stdout] 287 |       let mut owner = to_replace.nth(0).unwrap();
[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: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:5:3
[INFO] [stdout]   |
[INFO] [stdout] 5 |   extern_prelude,
[INFO] [stdout]   |   ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 7 |   try_from,
[INFO] [stdout]   |   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `alloc` has been stable since 1.36.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:3
[INFO] [stdout]   |
[INFO] [stdout] 2 |   alloc,
[INFO] [stdout]   |   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::HashMap`
[INFO] [stdout]  --> tests/test_graph_serde.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::{collections::HashMap, convert::TryFrom, fs, io::Read};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `params`
[INFO] [stdout]   --> tests/test_graph_serde.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 |   let params = tvm::runtime::load_param_dict(&params_bytes);
[INFO] [stdout]    |       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_params`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `fs_read_write` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> tests/test_graph_serde.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(fs_read_write, try_from)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> tests/test_graph_serde.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(fs_read_write, try_from)]
[INFO] [stdout]   |                           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.26s
[INFO] running `Command { std: "docker" "inspect" "83f8f957675d1a8d1c333f0fda4819abdc9e91dbb59af3bb1e4d6e6ae4075a28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83f8f957675d1a8d1c333f0fda4819abdc9e91dbb59af3bb1e4d6e6ae4075a28", kill_on_drop: false }`
[INFO] [stdout] 83f8f957675d1a8d1c333f0fda4819abdc9e91dbb59af3bb1e4d6e6ae4075a28
