[INFO] cloning repository https://github.com/fr1550n/r_lifetimes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fr1550n/r_lifetimes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffr1550n%2Fr_lifetimes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffr1550n%2Fr_lifetimes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3023471e121cce0373c75bdce6a6b01b82138198
[INFO] testing fr1550n/r_lifetimes against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffr1550n%2Fr_lifetimes" "/workspace/builds/worker-37/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-37/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fr1550n/r_lifetimes on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fr1550n/r_lifetimes
[INFO] finished tweaking git repo https://github.com/fr1550n/r_lifetimes
[INFO] tweaked toml for git repo https://github.com/fr1550n/r_lifetimes written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] crate git repo https://github.com/fr1550n/r_lifetimes already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6303256c6a2035b6eedfb4aa5ca207fbab0c64e7ff1c5884fc48e4fd99ed307
[INFO] running `Command { std: "docker" "start" "-a" "e6303256c6a2035b6eedfb4aa5ca207fbab0c64e7ff1c5884fc48e4fd99ed307", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6303256c6a2035b6eedfb4aa5ca207fbab0c64e7ff1c5884fc48e4fd99ed307", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6303256c6a2035b6eedfb4aa5ca207fbab0c64e7ff1c5884fc48e4fd99ed307", kill_on_drop: false }`
[INFO] [stdout] e6303256c6a2035b6eedfb4aa5ca207fbab0c64e7ff1c5884fc48e4fd99ed307
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e9d64a4b1d776f0737b16f8d1bd7c79a910f76d11b4958ac1feb80ea0979e31
[INFO] running `Command { std: "docker" "start" "-a" "9e9d64a4b1d776f0737b16f8d1bd7c79a910f76d11b4958ac1feb80ea0979e31", 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]    Compiling r_lifetimes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `y`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     y: &'b i32
[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 dev [unoptimized + debuginfo] target(s) in 13.89s
[INFO] running `Command { std: "docker" "inspect" "9e9d64a4b1d776f0737b16f8d1bd7c79a910f76d11b4958ac1feb80ea0979e31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e9d64a4b1d776f0737b16f8d1bd7c79a910f76d11b4958ac1feb80ea0979e31", kill_on_drop: false }`
[INFO] [stdout] 9e9d64a4b1d776f0737b16f8d1bd7c79a910f76d11b4958ac1feb80ea0979e31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c0ff1e8d3cf0d938e03582f6ad418219e2370ef439fb898f88b929819ea760d
[INFO] running `Command { std: "docker" "start" "-a" "3c0ff1e8d3cf0d938e03582f6ad418219e2370ef439fb898f88b929819ea760d", kill_on_drop: false }`
[INFO] [stderr]    Compiling r_lifetimes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `y`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     y: &'b i32
[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 0.62s
[INFO] running `Command { std: "docker" "inspect" "3c0ff1e8d3cf0d938e03582f6ad418219e2370ef439fb898f88b929819ea760d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c0ff1e8d3cf0d938e03582f6ad418219e2370ef439fb898f88b929819ea760d", kill_on_drop: false }`
[INFO] [stdout] 3c0ff1e8d3cf0d938e03582f6ad418219e2370ef439fb898f88b929819ea760d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f49c744eb77658eecc38a1225e570813d4f639cf2ea9f56796d107e8178b2a14
[INFO] running `Command { std: "docker" "start" "-a" "f49c744eb77658eecc38a1225e570813d4f639cf2ea9f56796d107e8178b2a14", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: field is never read: `y`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 6 |     y: &'b i32
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `r_lifetimes` (bin "r_lifetimes" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/r_lifetimes-ebc68f226846e510)
[INFO] running `Command { std: "docker" "inspect" "f49c744eb77658eecc38a1225e570813d4f639cf2ea9f56796d107e8178b2a14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f49c744eb77658eecc38a1225e570813d4f639cf2ea9f56796d107e8178b2a14", kill_on_drop: false }`
[INFO] [stdout] f49c744eb77658eecc38a1225e570813d4f639cf2ea9f56796d107e8178b2a14