[INFO] cloning repository https://github.com/jafioti/lentrait
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jafioti/lentrait" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjafioti%2Flentrait", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjafioti%2Flentrait'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0c927d0e1214c696abcc01c0f3dc1e4b0bfbe564
[INFO] testing jafioti/lentrait 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%2Fjafioti%2Flentrait" "/workspace/builds/worker-36/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-36/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jafioti/lentrait 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/jafioti/lentrait
[INFO] finished tweaking git repo https://github.com/jafioti/lentrait
[INFO] tweaked toml for git repo https://github.com/jafioti/lentrait written to /workspace/builds/worker-36/source/Cargo.toml
[INFO] crate git repo https://github.com/jafioti/lentrait 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-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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] 7451b209e54ffe72cf7ddc634eb962049832d2a5df3c49bed7048ba43d0bcd66
[INFO] running `Command { std: "docker" "start" "-a" "7451b209e54ffe72cf7ddc634eb962049832d2a5df3c49bed7048ba43d0bcd66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7451b209e54ffe72cf7ddc634eb962049832d2a5df3c49bed7048ba43d0bcd66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7451b209e54ffe72cf7ddc634eb962049832d2a5df3c49bed7048ba43d0bcd66", kill_on_drop: false }`
[INFO] [stdout] 7451b209e54ffe72cf7ddc634eb962049832d2a5df3c49bed7048ba43d0bcd66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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] b97ae16a8c33b0cc6e74ca132d3f1d87792291e18e1b8990896ac78b963a6b7e
[INFO] running `Command { std: "docker" "start" "-a" "b97ae16a8c33b0cc6e74ca132d3f1d87792291e18e1b8990896ac78b963a6b7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling lentrait v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/lib.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn len(&self) -> usize {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 96 |         self.as_ref().len()
[INFO] [stdout]    |         ------------------- recursive call site
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "b97ae16a8c33b0cc6e74ca132d3f1d87792291e18e1b8990896ac78b963a6b7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b97ae16a8c33b0cc6e74ca132d3f1d87792291e18e1b8990896ac78b963a6b7e", kill_on_drop: false }`
[INFO] [stdout] b97ae16a8c33b0cc6e74ca132d3f1d87792291e18e1b8990896ac78b963a6b7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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] 3126afd0f589dc523d8e9f62844e9405a8d89fb036e43cc884600c8e9aadc6c9
[INFO] running `Command { std: "docker" "start" "-a" "3126afd0f589dc523d8e9f62844e9405a8d89fb036e43cc884600c8e9aadc6c9", kill_on_drop: false }`
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/lib.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn len(&self) -> usize {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 96 |         self.as_ref().len()
[INFO] [stdout]    |         ------------------- recursive call site
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lentrait v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/lib.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn len(&self) -> usize {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 96 |         self.as_ref().len()
[INFO] [stdout]    |         ------------------- recursive call site
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "3126afd0f589dc523d8e9f62844e9405a8d89fb036e43cc884600c8e9aadc6c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3126afd0f589dc523d8e9f62844e9405a8d89fb036e43cc884600c8e9aadc6c9", kill_on_drop: false }`
[INFO] [stdout] 3126afd0f589dc523d8e9f62844e9405a8d89fb036e43cc884600c8e9aadc6c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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] 0fcee69a8bba9f1cc5674cf1b0870c96fe8f34d984ac42a0155cfae0f5ba31d3
[INFO] running `Command { std: "docker" "start" "-a" "0fcee69a8bba9f1cc5674cf1b0870c96fe8f34d984ac42a0155cfae0f5ba31d3", kill_on_drop: false }`
[INFO] [stderr] warning: function cannot return without recursing
[INFO] [stderr]   --> src/lib.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn len(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stderr] 96 |         self.as_ref().len()
[INFO] [stderr]    |         ------------------- recursive call site
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stderr]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stderr] 
[INFO] [stderr] warning: `lentrait` (lib) generated 1 warning
[INFO] [stderr] warning: `lentrait` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lentrait-2ed1f3bfa83b2941)
[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] [stderr]    Doc-tests lentrait
[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" "0fcee69a8bba9f1cc5674cf1b0870c96fe8f34d984ac42a0155cfae0f5ba31d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fcee69a8bba9f1cc5674cf1b0870c96fe8f34d984ac42a0155cfae0f5ba31d3", kill_on_drop: false }`
[INFO] [stdout] 0fcee69a8bba9f1cc5674cf1b0870c96fe8f34d984ac42a0155cfae0f5ba31d3