[INFO] fetching crate ukhs 0.3.4...
[INFO] checking ukhs-0.3.4 against master#029c9e18dd1f4668e1d42bb187c1c263dfe20093 for pr-157562
[INFO] extracting crate ukhs 0.3.4 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate ukhs 0.3.4
[INFO] finished tweaking crates.io crate ukhs 0.3.4
[INFO] tweaked toml for crates.io crate ukhs 0.3.4 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ukhs 0.3.4 on toolchain 029c9e18dd1f4668e1d42bb187c1c263dfe20093
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+029c9e18dd1f4668e1d42bb187c1c263dfe20093" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+029c9e18dd1f4668e1d42bb187c1c263dfe20093" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 100 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.2.11 (available: v0.8.2)
[INFO] [stderr]       Adding nthash v0.4.3 (available: v0.5.1)
[INFO] [stderr]       Adding proptest v0.9.6 (available: v1.11.0)
[INFO] [stderr]       Adding rand v0.5.6 (available: v0.10.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+029c9e18dd1f4668e1d42bb187c1c263dfe20093" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bbhash v0.1.1
[INFO] [stderr]   Downloaded rusty-fork v0.2.2
[INFO] [stderr]   Downloaded bbhash-sys v0.1.0
[INFO] [stderr]   Downloaded nthash v0.4.3
[INFO] [stderr]   Downloaded proptest v0.9.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 077ba41589f409e26b6a1a0a4c33598e687c2709f9789d1e552d39f5f56f722c
[INFO] running `Command { std: "docker" "start" "077ba41589f409e26b6a1a0a4c33598e687c2709f9789d1e552d39f5f56f722c", 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" "077ba41589f409e26b6a1a0a4c33598e687c2709f9789d1e552d39f5f56f722c" "/opt/rustwide/cargo-home/bin/cargo" "+029c9e18dd1f4668e1d42bb187c1c263dfe20093" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "077ba41589f409e26b6a1a0a4c33598e687c2709f9789d1e552d39f5f56f722c", 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" "077ba41589f409e26b6a1a0a4c33598e687c2709f9789d1e552d39f5f56f722c" "/opt/rustwide/cargo-home/bin/cargo" "+029c9e18dd1f4668e1d42bb187c1c263dfe20093" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking once_cell v1.21.4
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling bbhash-sys v0.1.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]     Checking tempfile v3.27.0
[INFO] [stderr]     Checking wait-timeout v0.2.1
[INFO] [stderr]     Checking csv-core v0.1.13
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking nthash v0.4.3
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking proptest v0.9.6
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking bbhash v0.1.1
[INFO] [stderr]     Checking serde_json v1.0.150
[INFO] [stderr]     Checking csv v1.4.0
[INFO] [stderr]     Checking ukhs v0.3.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> src/errors.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug, Fail)]
[INFO] [stdout]   |                 ^---
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 `Fail` is not local
[INFO] [stdout]   |                 move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_UKHSError`
[INFO] [stdout] 4 | pub enum UKHSError {
[INFO] [stdout]   |          --------- `UKHSError` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_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 `Fail` (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/errors.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug, Fail)]
[INFO] [stdout]   |                 ^---
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 `Display` is not local
[INFO] [stdout]   |                 move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_UKHSError`
[INFO] [stdout] 4 | pub enum UKHSError {
[INFO] [stdout]   |          --------- `UKHSError` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_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 `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> tests/ukhs.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::HashSet;
[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: `std::iter::FromIterator`
[INFO] [stdout]  --> tests/ukhs.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/ukhs.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let mut unikmers: Vec<String> = it.map(|(_, x)| x).collect();
[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 does not need to be mutable
[INFO] [stdout]   --> tests/ukhs.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let mut ukhs_unhash: Vec<String> = ukhs_hash
[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/lib.rs:397:13
[INFO] [stdout]     |
[INFO] [stdout] 397 |         let mut ukhs_unhash_set: HashSet<String> = ukhs_hash
[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 does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:439:13
[INFO] [stdout]     |
[INFO] [stdout] 439 |         let mut unikmers: Vec<String> = it.map(|(_, x)| x).collect();
[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/lib.rs:462:13
[INFO] [stdout]     |
[INFO] [stdout] 462 |         let mut ukhs_unhash: Vec<String> = ukhs_hash
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[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/errors.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug, Fail)]
[INFO] [stdout]   |                 ^---
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 `Fail` is not local
[INFO] [stdout]   |                 move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_UKHSError`
[INFO] [stdout] 4 | pub enum UKHSError {
[INFO] [stdout]   |          --------- `UKHSError` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_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 `Fail` (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/errors.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug, Fail)]
[INFO] [stdout]   |                 ^---
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 `Display` is not local
[INFO] [stdout]   |                 move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_UKHSError`
[INFO] [stdout] 4 | pub enum UKHSError {
[INFO] [stdout]   |          --------- `UKHSError` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_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 `Fail` (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 6.13s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 7`
[INFO] running `Command { std: "docker" "inspect" "077ba41589f409e26b6a1a0a4c33598e687c2709f9789d1e552d39f5f56f722c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "077ba41589f409e26b6a1a0a4c33598e687c2709f9789d1e552d39f5f56f722c", kill_on_drop: false }`
[INFO] [stdout] 077ba41589f409e26b6a1a0a4c33598e687c2709f9789d1e552d39f5f56f722c
