[INFO] cloning repository https://github.com/thomasheartman/whodunit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thomasheartman/whodunit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomasheartman%2Fwhodunit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomasheartman%2Fwhodunit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 060eefb8ebb75b7db5f753927b453e059b376c2d
[INFO] checking thomasheartman/whodunit against e3607d549209cc9fdfe7e907123b4185210e2c2b for pr-158915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomasheartman%2Fwhodunit" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/thomasheartman/whodunit
[INFO] finished tweaking git repo https://github.com/thomasheartman/whodunit
[INFO] tweaked toml for git repo https://github.com/thomasheartman/whodunit written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/thomasheartman/whodunit on toolchain e3607d549209cc9fdfe7e907123b4185210e2c2b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e3607d549209cc9fdfe7e907123b4185210e2c2b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/thomasheartman/whodunit 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" "+e3607d549209cc9fdfe7e907123b4185210e2c2b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c87983078f6fffdd69eee86ee38b9c67a14f19961742c695e0a9b11670b2322a
[INFO] running `Command { std: "docker" "start" "c87983078f6fffdd69eee86ee38b9c67a14f19961742c695e0a9b11670b2322a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c87983078f6fffdd69eee86ee38b9c67a14f19961742c695e0a9b11670b2322a", 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" "c87983078f6fffdd69eee86ee38b9c67a14f19961742c695e0a9b11670b2322a" "/opt/rustwide/cargo-home/bin/cargo" "+e3607d549209cc9fdfe7e907123b4185210e2c2b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c87983078f6fffdd69eee86ee38b9c67a14f19961742c695e0a9b11670b2322a", 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" "c87983078f6fffdd69eee86ee38b9c67a14f19961742c695e0a9b11670b2322a" "/opt/rustwide/cargo-home/bin/cargo" "+e3607d549209cc9fdfe7e907123b4185210e2c2b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]  --> benches/string_destructuring.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Res<'a>(&'a str, &'a str, &'a str);
[INFO] [stdout]   |        ---     ^^^^^^^  ^^^^^^^  ^^^^^^^
[INFO] [stdout]   |        |
[INFO] [stdout]   |        fields in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing these fields
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> benches/string_destructuring.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn split_collect(s: &str) -> Result<Res, &str> {
[INFO] [stdout]   |                     ^^^^            ^^^  ^^^^ the same lifetime is elided here
[INFO] [stdout]   |                     |               |
[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] 5 | fn split_collect(s: &str) -> Result<Res<'_>, &str> {
[INFO] [stdout]   |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> benches/string_destructuring.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn split_iter_next(s: &str) -> Result<Res, &str> {
[INFO] [stdout]    |                       ^^^^            ^^^  ^^^^ the same lifetime is elided here
[INFO] [stdout]    |                       |               |
[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] 13 | fn split_iter_next(s: &str) -> Result<Res<'_>, &str> {
[INFO] [stdout]    |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> benches/string_destructuring.rs:22:33
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn find_indices_manual_split(s: &str) -> Result<Res, &str> {
[INFO] [stdout]    |                                 ^^^^            ^^^  ^^^^ the same lifetime is elided here
[INFO] [stdout]    |                                 |               |
[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] 22 | fn find_indices_manual_split(s: &str) -> Result<Res<'_>, &str> {
[INFO] [stdout]    |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> benches/string_destructuring.rs:29:44
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn find_indices_manual_split_from_start(s: &str) -> Result<Res, &str> {
[INFO] [stdout]    |                                            ^^^^            ^^^  ^^^^ the same lifetime is elided here
[INFO] [stdout]    |                                            |               |
[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] 29 | fn find_indices_manual_split_from_start(s: &str) -> Result<Res<'_>, &str> {
[INFO] [stdout]    |                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `criterion`
[INFO] [stderr]   --> Cargo.toml:12:15
[INFO] [stderr]    |
[INFO] [stderr] 12 | [dependencies.criterion]
[INFO] [stderr]    |               ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `criterion`
[INFO] [stderr] help: to still use for development builds, move to `dev-dependencies`
[INFO] [stderr] warning: `whodunit` (manifest) generated 1 warning
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.96s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "c87983078f6fffdd69eee86ee38b9c67a14f19961742c695e0a9b11670b2322a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c87983078f6fffdd69eee86ee38b9c67a14f19961742c695e0a9b11670b2322a", kill_on_drop: false }`
[INFO] [stdout] c87983078f6fffdd69eee86ee38b9c67a14f19961742c695e0a9b11670b2322a
