[INFO] cloning repository https://github.com/jveiga/dlog
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jveiga/dlog" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjveiga%2Fdlog", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjveiga%2Fdlog'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 254163efe2f98965fad8b1865847da32f5615a09
[INFO] checking jveiga/dlog against master#ff647322379c48947c196639599067665ff9eb88 for pr-151539-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjveiga%2Fdlog" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jveiga/dlog
[INFO] finished tweaking git repo https://github.com/jveiga/dlog
[INFO] tweaked toml for git repo https://github.com/jveiga/dlog written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jveiga/dlog on toolchain ff647322379c48947c196639599067665ff9eb88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff647322379c48947c196639599067665ff9eb88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jveiga/dlog already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff647322379c48947c196639599067665ff9eb88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "e6b6b3353de12936e3080de4dc15d19b7aa41b471a00864126cd4ed2d1387f4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e6b6b3353de12936e3080de4dc15d19b7aa41b471a00864126cd4ed2d1387f4b" "/opt/rustwide/cargo-home/bin/cargo" "+ff647322379c48947c196639599067665ff9eb88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6b6b3353de12936e3080de4dc15d19b7aa41b471a00864126cd4ed2d1387f4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e6b6b3353de12936e3080de4dc15d19b7aa41b471a00864126cd4ed2d1387f4b" "/opt/rustwide/cargo-home/bin/cargo" "+ff647322379c48947c196639599067665ff9eb88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `ReadBytesExt`
[INFO] [stdout]  --> src/store.rs:5:28
[INFO] [stdout]   |
[INFO] [stdout] 5 | use byteorder::{BigEndian, ReadBytesExt, WriteBytesExt};
[INFO] [stdout]   |                            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `File` and `OpenOptions`
[INFO] [stdout]    --> src/segment.rs:127:19
[INFO] [stdout]     |
[INFO] [stdout] 127 |     use std::fs::{File, OpenOptions};
[INFO] [stdout]     |                   ^^^^  ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ENTWIDTH`
[INFO] [stdout]    --> src/segment.rs:131:25
[INFO] [stdout]     |
[INFO] [stdout] 131 |     use crate::{Config, ENTWIDTH};
[INFO] [stdout]     |                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ReadBytesExt`
[INFO] [stdout]  --> src/store.rs:5:28
[INFO] [stdout]   |
[INFO] [stdout] 5 | use byteorder::{BigEndian, ReadBytesExt, WriteBytesExt};
[INFO] [stdout]   |                            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::OpenOptions`
[INFO] [stdout]   --> src/store.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |     use std::fs::OpenOptions;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `bytes_read` is never read
[INFO] [stdout]   --> src/store.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct StoreWriteStatus {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] 17 |     pub bytes_read: u64,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StoreWriteStatus` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read_at` is never used
[INFO] [stdout]   --> src/store.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Store {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn read_at(&mut self, buf: &mut [u8], offset: u64) -> std::io::Result<()> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/store.rs:65:41
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let record_size: u64 = unsafe { std::mem::transmute::<[u8; 8], u64>(buf) }.to_be();
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 65 -         let record_size: u64 = unsafe { std::mem::transmute::<[u8; 8], u64>(buf) }.to_be();
[INFO] [stdout] 65 +         let record_size: u64 = unsafe { u64::from_ne_bytes(buf) }.to_be();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/index.rs:187:13
[INFO] [stdout]     |
[INFO] [stdout] 187 |         let mut index = Index::new(f)?;
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `c` is assigned to, but never used
[INFO] [stdout]    --> src/store.rs:120:17
[INFO] [stdout]     |
[INFO] [stdout] 120 |             let mut c = Config::default();
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_c` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `c` is never read
[INFO] [stdout]    --> src/store.rs:121:13
[INFO] [stdout]     |
[INFO] [stdout] 121 |             c.segment.max_store_bytes = 1024;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `c` is never read
[INFO] [stdout]    --> src/store.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |             c.segment.max_index_bytes = (ENTWIDTH as u64) * 3;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `bytes_read` is never read
[INFO] [stdout]   --> src/store.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct StoreWriteStatus {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] 17 |     pub bytes_read: u64,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StoreWriteStatus` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/store.rs:65:41
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let record_size: u64 = unsafe { std::mem::transmute::<[u8; 8], u64>(buf) }.to_be();
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 65 -         let record_size: u64 = unsafe { std::mem::transmute::<[u8; 8], u64>(buf) }.to_be();
[INFO] [stdout] 65 +         let record_size: u64 = unsafe { u64::from_ne_bytes(buf) }.to_be();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]    --> src/store.rs:105:14
[INFO] [stdout]     |
[INFO] [stdout] 105 |     #[derive(Arbitrary, Debug)]
[INFO] [stdout]     |              ^--------
[INFO] [stdout]     |              |
[INFO] [stdout]     |              `Arbitrary` is not local
[INFO] [stdout]     |              move the `impl` block outside of this constant `_IMPL_ARBITRARY_FOR_Action`
[INFO] [stdout] 106 |     enum Action {
[INFO] [stdout]     |          ------ `Action` is not local
[INFO] [stdout]     |
[INFO] [stdout]     = note: the derive macro `Arbitrary` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]     = note: the derive macro `Arbitrary` may come from an old version of the `proptest_derive` crate, try updating your dependency with `cargo update -p proptest_derive`
[INFO] [stdout]     = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]     = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]     = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]     = note: this warning originates in the derive macro `Arbitrary` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]    --> src/store.rs:112:14
[INFO] [stdout]     |
[INFO] [stdout] 112 |     #[derive(Arbitrary, Debug)]
[INFO] [stdout]     |              ^--------
[INFO] [stdout]     |              |
[INFO] [stdout]     |              `Arbitrary` is not local
[INFO] [stdout]     |              move the `impl` block outside of this constant `_IMPL_ARBITRARY_FOR_Actions`
[INFO] [stdout] 113 |     struct Actions(Vec<Action>);
[INFO] [stdout]     |            ------- `Actions` is not local
[INFO] [stdout]     |
[INFO] [stdout]     = note: the derive macro `Arbitrary` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]     = note: the derive macro `Arbitrary` may come from an old version of the `proptest_derive` crate, try updating your dependency with `cargo update -p proptest_derive`
[INFO] [stdout]     = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]     = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]     = note: this warning originates in the derive macro `Arbitrary` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.66s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: http-types v2.6.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "e6b6b3353de12936e3080de4dc15d19b7aa41b471a00864126cd4ed2d1387f4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6b6b3353de12936e3080de4dc15d19b7aa41b471a00864126cd4ed2d1387f4b", kill_on_drop: false }`
[INFO] [stdout] e6b6b3353de12936e3080de4dc15d19b7aa41b471a00864126cd4ed2d1387f4b
