[INFO] cloning repository https://github.com/codeslewis/Lifetime_Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/codeslewis/Lifetime_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodeslewis%2FLifetime_Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodeslewis%2FLifetime_Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 68372652167b2728706d2869d26067c32e8de555
[INFO] testing codeslewis/Lifetime_Rust against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodeslewis%2FLifetime_Rust" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/codeslewis/Lifetime_Rust on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/codeslewis/Lifetime_Rust
[INFO] finished tweaking git repo https://github.com/codeslewis/Lifetime_Rust
[INFO] tweaked toml for git repo https://github.com/codeslewis/Lifetime_Rust written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/codeslewis/Lifetime_Rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0493f55e0c3dc2ccbc90e89a6f211f2f5affa229d9d074f9cf12450046029c5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b0493f55e0c3dc2ccbc90e89a6f211f2f5affa229d9d074f9cf12450046029c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0493f55e0c3dc2ccbc90e89a6f211f2f5affa229d9d074f9cf12450046029c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0493f55e0c3dc2ccbc90e89a6f211f2f5affa229d9d074f9cf12450046029c5", kill_on_drop: false }`
[INFO] [stdout] b0493f55e0c3dc2ccbc90e89a6f211f2f5affa229d9d074f9cf12450046029c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a6787de99fb6209d3fe98ae938d09ecf4b0973ff33f202607cc35cc0d29667a1
[INFO] running `Command { std: "docker" "start" "-a" "a6787de99fb6209d3fe98ae938d09ecf4b0973ff33f202607cc35cc0d29667a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling lifetime_examples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `longest_with_an_announcement`
[INFO] [stdout]  --> src/main.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn longest_with_an_announcement<'a, T>(
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.44s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a6787de99fb6209d3fe98ae938d09ecf4b0973ff33f202607cc35cc0d29667a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6787de99fb6209d3fe98ae938d09ecf4b0973ff33f202607cc35cc0d29667a1", kill_on_drop: false }`
[INFO] [stdout] a6787de99fb6209d3fe98ae938d09ecf4b0973ff33f202607cc35cc0d29667a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c81980b6ca0734eae344406178e71b87dadeea1f4c32f67e10726c21ed8ce51d
[INFO] running `Command { std: "docker" "start" "-a" "c81980b6ca0734eae344406178e71b87dadeea1f4c32f67e10726c21ed8ce51d", kill_on_drop: false }`
[INFO] [stderr]    Compiling lifetime_examples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `longest_with_an_announcement`
[INFO] [stdout]  --> src/main.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn longest_with_an_announcement<'a, T>(
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "c81980b6ca0734eae344406178e71b87dadeea1f4c32f67e10726c21ed8ce51d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c81980b6ca0734eae344406178e71b87dadeea1f4c32f67e10726c21ed8ce51d", kill_on_drop: false }`
[INFO] [stdout] c81980b6ca0734eae344406178e71b87dadeea1f4c32f67e10726c21ed8ce51d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 138899d52640dc5972dfa2db82f7f74c57eb702563d763281518b41ff699ad3c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "138899d52640dc5972dfa2db82f7f74c57eb702563d763281518b41ff699ad3c", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `longest_with_an_announcement`
[INFO] [stderr]  --> src/main.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn longest_with_an_announcement<'a, T>(
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `lifetime_examples` (bin "lifetime_examples" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lifetime_examples-c04a27cdc509c4ba)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "138899d52640dc5972dfa2db82f7f74c57eb702563d763281518b41ff699ad3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "138899d52640dc5972dfa2db82f7f74c57eb702563d763281518b41ff699ad3c", kill_on_drop: false }`
[INFO] [stdout] 138899d52640dc5972dfa2db82f7f74c57eb702563d763281518b41ff699ad3c