[INFO] cloning repository https://github.com/tibetsou/collatz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tibetsou/collatz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftibetsou%2Fcollatz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftibetsou%2Fcollatz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 15cd702f9690f24224399f67468131511653f0b4
[INFO] testing tibetsou/collatz against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftibetsou%2Fcollatz" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tibetsou/collatz on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tibetsou/collatz
[INFO] finished tweaking git repo https://github.com/tibetsou/collatz
[INFO] tweaked toml for git repo https://github.com/tibetsou/collatz written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/tibetsou/collatz already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c1e0e7307f3eeebbac993f35f89ac1a8696e0e7263b0f9a176c42f237e61573
[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" "7c1e0e7307f3eeebbac993f35f89ac1a8696e0e7263b0f9a176c42f237e61573", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c1e0e7307f3eeebbac993f35f89ac1a8696e0e7263b0f9a176c42f237e61573", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c1e0e7307f3eeebbac993f35f89ac1a8696e0e7263b0f9a176c42f237e61573", kill_on_drop: false }`
[INFO] [stdout] 7c1e0e7307f3eeebbac993f35f89ac1a8696e0e7263b0f9a176c42f237e61573
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] fc1c1c9be2fe9e2c59fda6479cfe7171530260c0f4d1c31ab05d14b220260fd3
[INFO] running `Command { std: "docker" "start" "-a" "fc1c1c9be2fe9e2c59fda6479cfe7171530260c0f4d1c31ab05d14b220260fd3", kill_on_drop: false }`
[INFO] [stderr]    Compiling collatz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `f`
[INFO] [stdout]   --> src/main.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn f(n: u64) -> u64 {
[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 1.66s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fc1c1c9be2fe9e2c59fda6479cfe7171530260c0f4d1c31ab05d14b220260fd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc1c1c9be2fe9e2c59fda6479cfe7171530260c0f4d1c31ab05d14b220260fd3", kill_on_drop: false }`
[INFO] [stdout] fc1c1c9be2fe9e2c59fda6479cfe7171530260c0f4d1c31ab05d14b220260fd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 087bdf4f729152083c5ba3cddb90947693acb5a3bb4407112533da18a68bd72e
[INFO] running `Command { std: "docker" "start" "-a" "087bdf4f729152083c5ba3cddb90947693acb5a3bb4407112533da18a68bd72e", kill_on_drop: false }`
[INFO] [stderr]    Compiling collatz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `f`
[INFO] [stdout]   --> src/main.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn f(n: u64) -> u64 {
[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 0.89s
[INFO] running `Command { std: "docker" "inspect" "087bdf4f729152083c5ba3cddb90947693acb5a3bb4407112533da18a68bd72e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "087bdf4f729152083c5ba3cddb90947693acb5a3bb4407112533da18a68bd72e", kill_on_drop: false }`
[INFO] [stdout] 087bdf4f729152083c5ba3cddb90947693acb5a3bb4407112533da18a68bd72e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", 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] c449a35ca512ae504880c5a75aede770a499e5d75ba5ca4832fdddeb94a01933
[INFO] running `Command { std: "docker" "start" "-a" "c449a35ca512ae504880c5a75aede770a499e5d75ba5ca4832fdddeb94a01933", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `f`
[INFO] [stderr]   --> src/main.rs:21:4
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn f(n: u64) -> u64 {
[INFO] [stderr]    |    ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `collatz` (bin "collatz" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/collatz-f0c3966a584f7519)
[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" "c449a35ca512ae504880c5a75aede770a499e5d75ba5ca4832fdddeb94a01933", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c449a35ca512ae504880c5a75aede770a499e5d75ba5ca4832fdddeb94a01933", kill_on_drop: false }`
[INFO] [stdout] c449a35ca512ae504880c5a75aede770a499e5d75ba5ca4832fdddeb94a01933