[INFO] fetching crate lib_xch 0.13.0...
[INFO] checking lib_xch-0.13.0 against master#cced03bfd61a304243a34504618ecec86c17063f for pr-157082
[INFO] extracting crate lib_xch 0.13.0 into /workspace/builds/worker-4-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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate lib_xch 0.13.0 on toolchain cced03bfd61a304243a34504618ecec86c17063f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "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" "+cced03bfd61a304243a34504618ecec86c17063f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[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)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding nalgebra v0.16.14 (available: v0.35.0)
[INFO] [stderr]       Adding num v0.2.1 (available: v0.4.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded id_tree v1.8.0
[INFO] [stderr]   Downloaded alga v0.7.2
[INFO] [stderr]   Downloaded generic-array v0.11.2
[INFO] [stderr]   Downloaded nalgebra v0.16.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] be9b30924c66917abee63321cf40eebdbe5184e664c2c29fa80d22017cabfe9a
[INFO] running `Command { std: "docker" "start" "be9b30924c66917abee63321cf40eebdbe5184e664c2c29fa80d22017cabfe9a", 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" "be9b30924c66917abee63321cf40eebdbe5184e664c2c29fa80d22017cabfe9a" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be9b30924c66917abee63321cf40eebdbe5184e664c2c29fa80d22017cabfe9a", 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" "be9b30924c66917abee63321cf40eebdbe5184e664c2c29fa80d22017cabfe9a" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling pest v2.8.6
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking object v0.37.3
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking generic-array v0.11.2
[INFO] [stderr]     Checking serde_json v1.0.150
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking alga v0.7.2
[INFO] [stderr]     Checking csv-core v0.1.13
[INFO] [stderr]     Checking snowflake v1.3.0
[INFO] [stderr]     Checking id_tree v1.8.0
[INFO] [stderr]     Checking csv v1.4.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking nalgebra v0.16.14
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]    Compiling pest_meta v2.8.6
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling pest_generator v2.8.6
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]    Compiling pest_derive v2.8.6
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Checking 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: 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] [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] [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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.38s
[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 10`
[INFO] running `Command { std: "docker" "inspect" "be9b30924c66917abee63321cf40eebdbe5184e664c2c29fa80d22017cabfe9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be9b30924c66917abee63321cf40eebdbe5184e664c2c29fa80d22017cabfe9a", kill_on_drop: false }`
[INFO] [stdout] be9b30924c66917abee63321cf40eebdbe5184e664c2c29fa80d22017cabfe9a
