[INFO] fetching crate lib_xch 0.13.0...
[INFO] testing lib_xch-0.13.0 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate lib_xch 0.13.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate lib_xch 0.13.0
[INFO] finished tweaking crates.io crate lib_xch 0.13.0
[INFO] tweaked toml for crates.io crate lib_xch 0.13.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate lib_xch 0.13.0 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
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[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 95 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.2.11 (available: v0.8.2)
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[INFO] [stderr]       Adding nalgebra v0.16.14 (available: v0.34.2)
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[INFO] [stderr]   Downloaded matrixmultiply v0.1.15
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3fad923af7b41a6949583afae775e938db7558b1bcd44bb7a853e248bca8c94
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0f59f9d70ad6caa82f00310740c67050bebd1ea1c390d7a4d3041d9830de093
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[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling pest v2.8.6
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.27
[INFO] [stderr]    Compiling generic-array v0.11.2
[INFO] [stderr]    Compiling snowflake v1.3.0
[INFO] [stderr]    Compiling id_tree v1.8.0
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling alga v0.7.2
[INFO] [stderr]    Compiling nalgebra v0.16.14
[INFO] [stderr]    Compiling pest_meta v2.8.6
[INFO] [stderr]    Compiling pest_generator v2.8.6
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling pest_derive v2.8.6
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling lib_xch v0.13.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `num::Integer::divides`: Please use is_multiple_of instead
[INFO] [stdout]   --> src/public/cell/integer.rs:52:19
[INFO] [stdout]    |
[INFO] [stdout] 52 |         self.data.divides(&other.data)
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[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/public/failures.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[derive(PartialEq, Fail, Debug)]
[INFO] [stdout]    |                     ^---
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     `Fail` is not local
[INFO] [stdout]    |                     move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_ErrorCases`
[INFO] [stdout] 22 | pub enum ErrorCases {
[INFO] [stdout]    |          ---------- `ErrorCases` 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/public/failures.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[derive(PartialEq, Fail, Debug)]
[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_ErrorCases`
[INFO] [stdout] 22 | pub enum ErrorCases {
[INFO] [stdout]    |          ---------- `ErrorCases` 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] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/public/handler.rs:68:19
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn handle(&mut self) -> Result<DataSet<&T>, ErrorCases> {
[INFO] [stdout]    |                   ^^^^^^^^^            ^^^^^^^^^^^
[INFO] [stdout]    |                   |                    |       |
[INFO] [stdout]    |                   |                    |       the same lifetime is elided here
[INFO] [stdout]    |                   |                    the same lifetime is hidden here
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn handle(&mut self) -> Result<DataSet<'_, &T>, ErrorCases> {
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/public/handler.rs:75:18
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn parse(&mut self) -> Result<DataSet<&T>, ErrorCases> {
[INFO] [stdout]    |                  ^^^^^^^^^            ^^^^^^^^^^^
[INFO] [stdout]    |                  |                    |       |
[INFO] [stdout]    |                  |                    |       the same lifetime is elided here
[INFO] [stdout]    |                  |                    the same lifetime is hidden here
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn parse(&mut self) -> Result<DataSet<'_, &T>, ErrorCases> {
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.33s
[INFO] running `Command { std: "docker" "inspect" "d0f59f9d70ad6caa82f00310740c67050bebd1ea1c390d7a4d3041d9830de093", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0f59f9d70ad6caa82f00310740c67050bebd1ea1c390d7a4d3041d9830de093", kill_on_drop: false }`
[INFO] [stdout] d0f59f9d70ad6caa82f00310740c67050bebd1ea1c390d7a4d3041d9830de093
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfaf4778cbd5f0f5c0ffe71a59f6043df679d9c7518eb9cd3aa336ff037e3eeb
[INFO] running `Command { std: "docker" "start" "-a" "bfaf4778cbd5f0f5c0ffe71a59f6043df679d9c7518eb9cd3aa336ff037e3eeb", kill_on_drop: false }`
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling csv v1.4.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stdout] warning: use of deprecated method `num::Integer::divides`: Please use is_multiple_of instead
[INFO] [stdout]   --> src/public/cell/integer.rs:52:19
[INFO] [stdout]    |
[INFO] [stdout] 52 |         self.data.divides(&other.data)
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[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/public/failures.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[derive(PartialEq, Fail, Debug)]
[INFO] [stdout]    |                     ^---
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     `Fail` is not local
[INFO] [stdout]    |                     move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_ErrorCases`
[INFO] [stdout] 22 | pub enum ErrorCases {
[INFO] [stdout]    |          ---------- `ErrorCases` 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/public/failures.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[derive(PartialEq, Fail, Debug)]
[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_ErrorCases`
[INFO] [stdout] 22 | pub enum ErrorCases {
[INFO] [stdout]    |          ---------- `ErrorCases` 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] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/public/handler.rs:68:19
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn handle(&mut self) -> Result<DataSet<&T>, ErrorCases> {
[INFO] [stdout]    |                   ^^^^^^^^^            ^^^^^^^^^^^
[INFO] [stdout]    |                   |                    |       |
[INFO] [stdout]    |                   |                    |       the same lifetime is elided here
[INFO] [stdout]    |                   |                    the same lifetime is hidden here
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn handle(&mut self) -> Result<DataSet<'_, &T>, ErrorCases> {
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/public/handler.rs:75:18
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn parse(&mut self) -> Result<DataSet<&T>, ErrorCases> {
[INFO] [stdout]    |                  ^^^^^^^^^            ^^^^^^^^^^^
[INFO] [stdout]    |                  |                    |       |
[INFO] [stdout]    |                  |                    |       the same lifetime is elided here
[INFO] [stdout]    |                  |                    the same lifetime is hidden here
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn parse(&mut self) -> Result<DataSet<'_, &T>, ErrorCases> {
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling lib_xch v0.13.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/testers/mod.rs:33:30
[INFO] [stdout]    |
[INFO] [stdout] 33 |             Err(e) => panic!(e),
[INFO] [stdout]    |                              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 33 |             Err(e) => panic!("{}", e),
[INFO] [stdout]    |                              +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 33 -             Err(e) => panic!(e),
[INFO] [stdout] 33 +             Err(e) => std::panic::panic_any(e),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `num::Integer::divides`: Please use is_multiple_of instead
[INFO] [stdout]   --> src/public/cell/integer.rs:52:19
[INFO] [stdout]    |
[INFO] [stdout] 52 |         self.data.divides(&other.data)
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[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/public/failures.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[derive(PartialEq, Fail, Debug)]
[INFO] [stdout]    |                     ^---
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     `Fail` is not local
[INFO] [stdout]    |                     move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_ErrorCases`
[INFO] [stdout] 22 | pub enum ErrorCases {
[INFO] [stdout]    |          ---------- `ErrorCases` 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/public/failures.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[derive(PartialEq, Fail, Debug)]
[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_ErrorCases`
[INFO] [stdout] 22 | pub enum ErrorCases {
[INFO] [stdout]    |          ---------- `ErrorCases` 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] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/public/handler.rs:68:19
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn handle(&mut self) -> Result<DataSet<&T>, ErrorCases> {
[INFO] [stdout]    |                   ^^^^^^^^^            ^^^^^^^^^^^
[INFO] [stdout]    |                   |                    |       |
[INFO] [stdout]    |                   |                    |       the same lifetime is elided here
[INFO] [stdout]    |                   |                    the same lifetime is hidden here
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn handle(&mut self) -> Result<DataSet<'_, &T>, ErrorCases> {
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/public/handler.rs:75:18
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn parse(&mut self) -> Result<DataSet<&T>, ErrorCases> {
[INFO] [stdout]    |                  ^^^^^^^^^            ^^^^^^^^^^^
[INFO] [stdout]    |                  |                    |       |
[INFO] [stdout]    |                  |                    |       the same lifetime is elided here
[INFO] [stdout]    |                  |                    the same lifetime is hidden here
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn parse(&mut self) -> Result<DataSet<'_, &T>, ErrorCases> {
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 11.30s
[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 3`
[INFO] running `Command { std: "docker" "inspect" "bfaf4778cbd5f0f5c0ffe71a59f6043df679d9c7518eb9cd3aa336ff037e3eeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfaf4778cbd5f0f5c0ffe71a59f6043df679d9c7518eb9cd3aa336ff037e3eeb", kill_on_drop: false }`
[INFO] [stdout] bfaf4778cbd5f0f5c0ffe71a59f6043df679d9c7518eb9cd3aa336ff037e3eeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 415b797afd7875c2d05f704ae2ddb24ca3e4a8e67a7254673b3399101bb01ab9
[INFO] running `Command { std: "docker" "start" "-a" "415b797afd7875c2d05f704ae2ddb24ca3e4a8e67a7254673b3399101bb01ab9", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated method `num::Integer::divides`: Please use is_multiple_of instead
[INFO] [stderr]   --> src/public/cell/integer.rs:52:19
[INFO] [stderr]    |
[INFO] [stderr] 52 |         self.data.divides(&other.data)
[INFO] [stderr]    |                   ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stderr]   --> src/public/failures.rs:21:21
[INFO] [stderr]    |
[INFO] [stderr] 21 | #[derive(PartialEq, Fail, Debug)]
[INFO] [stderr]    |                     ^---
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     `Fail` is not local
[INFO] [stderr]    |                     move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_ErrorCases`
[INFO] [stderr] 22 | pub enum ErrorCases {
[INFO] [stderr]    |          ---------- `ErrorCases` is not local
[INFO] [stderr]    |
[INFO] [stderr]    = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stderr]    = 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] [stderr]    = 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] [stderr]    = 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] [stderr]    = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stderr]    = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stderr]   --> src/public/failures.rs:21:21
[INFO] [stderr]    |
[INFO] [stderr] 21 | #[derive(PartialEq, Fail, Debug)]
[INFO] [stderr]    |                     ^---
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     `Display` is not local
[INFO] [stderr]    |                     move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_ErrorCases`
[INFO] [stderr] 22 | pub enum ErrorCases {
[INFO] [stderr]    |          ---------- `ErrorCases` is not local
[INFO] [stderr]    |
[INFO] [stderr]    = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stderr]    = 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] [stderr]    = 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] [stderr]    = 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] [stderr]    = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/public/handler.rs:68:19
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn handle(&mut self) -> Result<DataSet<&T>, ErrorCases> {
[INFO] [stderr]    |                   ^^^^^^^^^            ^^^^^^^^^^^
[INFO] [stderr]    |                   |                    |       |
[INFO] [stderr]    |                   |                    |       the same lifetime is elided here
[INFO] [stderr]    |                   |                    the same lifetime is hidden here
[INFO] [stderr]    |                   the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn handle(&mut self) -> Result<DataSet<'_, &T>, ErrorCases> {
[INFO] [stderr]    |                                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/public/handler.rs:75:18
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn parse(&mut self) -> Result<DataSet<&T>, ErrorCases> {
[INFO] [stderr]    |                  ^^^^^^^^^            ^^^^^^^^^^^
[INFO] [stderr]    |                  |                    |       |
[INFO] [stderr]    |                  |                    |       the same lifetime is elided here
[INFO] [stderr]    |                  |                    the same lifetime is hidden here
[INFO] [stderr]    |                  the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn parse(&mut self) -> Result<DataSet<'_, &T>, ErrorCases> {
[INFO] [stderr]    |                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: `lib_xch` (lib) generated 5 warnings (run `cargo fix --lib -p lib_xch` to apply 2 suggestions)
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> tests/testers/mod.rs:33:30
[INFO] [stderr]    |
[INFO] [stderr] 33 |             Err(e) => panic!(e),
[INFO] [stderr]    |                              ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]    |
[INFO] [stderr] 33 |             Err(e) => panic!("{}", e),
[INFO] [stderr]    |                              +++++
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 33 -             Err(e) => panic!(e),
[INFO] [stderr] 33 +             Err(e) => std::panic::panic_any(e),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `lib_xch` (test "integrated_test") generated 1 warning (run `cargo fix --test "integrated_test" -p lib_xch` to apply 1 suggestion)
[INFO] [stderr] warning: `lib_xch` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[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 3`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lib_xch-994fa5c066e2151f)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test parser::atomdict::tests::add_test ... ok
[INFO] [stdout] test public::cell::tests::overflow_test_1 ... ok
[INFO] [stdout] test parser::atomdict::tests::mul_test ... ok
[INFO] [stdout] test public::cell::tests::overflow_test_3 ... ok
[INFO] [stdout] test public::cell::tests::overflow_test_4 ... ok
[INFO] [stdout] test parser::ast::treebuilder::tests::parse ... ok
[INFO] [stdout] test public::cell::tests::overflow_test_2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integrated_test.rs (/opt/rustwide/target/debug/deps/integrated_test-73be86f6d3b9f571)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test error ... ok
[INFO] [stderr]    Doc-tests lib_xch
[INFO] [stdout] test solve ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 27) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.75s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "415b797afd7875c2d05f704ae2ddb24ca3e4a8e67a7254673b3399101bb01ab9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "415b797afd7875c2d05f704ae2ddb24ca3e4a8e67a7254673b3399101bb01ab9", kill_on_drop: false }`
[INFO] [stdout] 415b797afd7875c2d05f704ae2ddb24ca3e4a8e67a7254673b3399101bb01ab9
