[INFO] cloning repository https://github.com/lauribusa/rust_exo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lauribusa/rust_exo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flauribusa%2Frust_exo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flauribusa%2Frust_exo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 32a39da5c4d36f07c57da3146bc7058abd531c0a
[INFO] testing lauribusa/rust_exo against 1.99.0-beta.1+cargoflags=--release for beta-release-1.99-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flauribusa%2Frust_exo" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lauribusa/rust_exo
[INFO] finished tweaking git repo https://github.com/lauribusa/rust_exo
[INFO] tweaked toml for git repo https://github.com/lauribusa/rust_exo written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lauribusa/rust_exo on toolchain 1.99.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lauribusa/rust_exo 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" "+1.99.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f9012c34f53e4b06d8d41510b8437c216794e5c75ef2ab723103884f4802cbab
[INFO] running `Command { std: "docker" "start" "f9012c34f53e4b06d8d41510b8437c216794e5c75ef2ab723103884f4802cbab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9012c34f53e4b06d8d41510b8437c216794e5c75ef2ab723103884f4802cbab", 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" "f9012c34f53e4b06d8d41510b8437c216794e5c75ef2ab723103884f4802cbab" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9012c34f53e4b06d8d41510b8437c216794e5c75ef2ab723103884f4802cbab", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f9012c34f53e4b06d8d41510b8437c216794e5c75ef2ab723103884f4802cbab" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello-world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `cleanse_text` is never used
[INFO] [stdout]  --> src/lifetimes/mod.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn cleanse_text(s: &str) -> &str {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cleanse_text_explicit` is never used
[INFO] [stdout]  --> src/lifetimes/mod.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn cleanse_text_explicit<'a>(s: &'a str) -> &'a str {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_largest_str_lifetime` is never used
[INFO] [stdout]   --> src/lifetimes/mod.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn get_largest_str_lifetime<'a>(s1: &'a str, s2: &'a str) -> &'a str {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "f9012c34f53e4b06d8d41510b8437c216794e5c75ef2ab723103884f4802cbab", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f9012c34f53e4b06d8d41510b8437c216794e5c75ef2ab723103884f4802cbab" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello-world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `cleanse_text` is never used
[INFO] [stdout]  --> src/lifetimes/mod.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn cleanse_text(s: &str) -> &str {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cleanse_text_explicit` is never used
[INFO] [stdout]  --> src/lifetimes/mod.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn cleanse_text_explicit<'a>(s: &'a str) -> &'a str {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "f9012c34f53e4b06d8d41510b8437c216794e5c75ef2ab723103884f4802cbab", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f9012c34f53e4b06d8d41510b8437c216794e5c75ef2ab723103884f4802cbab" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: function `cleanse_text` is never used
[INFO] [stderr]  --> src/lifetimes/mod.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn cleanse_text(s: &str) -> &str {
[INFO] [stderr]   |    ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `cleanse_text_explicit` is never used
[INFO] [stderr]  --> src/lifetimes/mod.rs:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn cleanse_text_explicit<'a>(s: &'a str) -> &'a str {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `hello-world` (bin "hello-world" test) generated 2 warnings
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/release/deps/hello_world-8b586fef52230ff8)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test lifetimes::test::test_largest ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f9012c34f53e4b06d8d41510b8437c216794e5c75ef2ab723103884f4802cbab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9012c34f53e4b06d8d41510b8437c216794e5c75ef2ab723103884f4802cbab", kill_on_drop: false }`
[INFO] [stdout] f9012c34f53e4b06d8d41510b8437c216794e5c75ef2ab723103884f4802cbab
