[INFO] cloning repository https://github.com/hsmtkk/bookish-invention
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hsmtkk/bookish-invention" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhsmtkk%2Fbookish-invention", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhsmtkk%2Fbookish-invention'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c4ee19f22704c10e2f4535d43ce3b0d390d63bb
[INFO] testing hsmtkk/bookish-invention against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhsmtkk%2Fbookish-invention" "/workspace/builds/worker-94/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-94/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hsmtkk/bookish-invention on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hsmtkk/bookish-invention
[INFO] finished tweaking git repo https://github.com/hsmtkk/bookish-invention
[INFO] tweaked toml for git repo https://github.com/hsmtkk/bookish-invention written to /workspace/builds/worker-94/source/Cargo.toml
[INFO] crate git repo https://github.com/hsmtkk/bookish-invention already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b52be2472e5696e75f7a6db2682a3da002629dd690099695c41b0abce4d04de2
[INFO] running `Command { std: "docker" "start" "-a" "b52be2472e5696e75f7a6db2682a3da002629dd690099695c41b0abce4d04de2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b52be2472e5696e75f7a6db2682a3da002629dd690099695c41b0abce4d04de2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b52be2472e5696e75f7a6db2682a3da002629dd690099695c41b0abce4d04de2", kill_on_drop: false }`
[INFO] [stdout] b52be2472e5696e75f7a6db2682a3da002629dd690099695c41b0abce4d04de2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fc15483f4333e4979cabeacbcd3bcf4733032f5d452968e2b37f2e2224f3498
[INFO] running `Command { std: "docker" "start" "-a" "7fc15483f4333e4979cabeacbcd3bcf4733032f5d452968e2b37f2e2224f3498", kill_on_drop: false }`
[INFO] [stderr]    Compiling bookish-invention v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `collatz_steps`
[INFO] [stdout]  --> src/collatz.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn collatz_steps(n: i64) -> i64 {
[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 0.53s
[INFO] running `Command { std: "docker" "inspect" "7fc15483f4333e4979cabeacbcd3bcf4733032f5d452968e2b37f2e2224f3498", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fc15483f4333e4979cabeacbcd3bcf4733032f5d452968e2b37f2e2224f3498", kill_on_drop: false }`
[INFO] [stdout] 7fc15483f4333e4979cabeacbcd3bcf4733032f5d452968e2b37f2e2224f3498
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b241a910313ae91882f27660b3e7c71b47134e4bbaf2e4b5c32d2ca0b2372d6
[INFO] running `Command { std: "docker" "start" "-a" "7b241a910313ae91882f27660b3e7c71b47134e4bbaf2e4b5c32d2ca0b2372d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling bookish-invention v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "7b241a910313ae91882f27660b3e7c71b47134e4bbaf2e4b5c32d2ca0b2372d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b241a910313ae91882f27660b3e7c71b47134e4bbaf2e4b5c32d2ca0b2372d6", kill_on_drop: false }`
[INFO] [stdout] 7b241a910313ae91882f27660b3e7c71b47134e4bbaf2e4b5c32d2ca0b2372d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5a6f2cf70a1108d05e244f4b43ec4becc91044a741abbe4e37d288f500b7b022
[INFO] running `Command { std: "docker" "start" "-a" "5a6f2cf70a1108d05e244f4b43ec4becc91044a741abbe4e37d288f500b7b022", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bookish_invention-5dc5e66553c1d415)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test collatz::test_collatz_numbers ... ok
[INFO] [stdout] test collatz::test_collatz_steps ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5a6f2cf70a1108d05e244f4b43ec4becc91044a741abbe4e37d288f500b7b022", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a6f2cf70a1108d05e244f4b43ec4becc91044a741abbe4e37d288f500b7b022", kill_on_drop: false }`
[INFO] [stdout] 5a6f2cf70a1108d05e244f4b43ec4becc91044a741abbe4e37d288f500b7b022