[INFO] cloning repository https://github.com/maxcell/learn-napi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maxcell/learn-napi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxcell%2Flearn-napi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxcell%2Flearn-napi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 41d47d778b7a291a89f7b4a1013211af23575b38
[INFO] testing maxcell/learn-napi against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxcell%2Flearn-napi" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/maxcell/learn-napi on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/maxcell/learn-napi
[INFO] finished tweaking git repo https://github.com/maxcell/learn-napi
[INFO] tweaked toml for git repo https://github.com/maxcell/learn-napi written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/maxcell/learn-napi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", 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] 15ff93117a47a6414a93176f0b0831703eebb841ad8f0713037f732c16e6794a
[INFO] running `Command { std: "docker" "start" "-a" "15ff93117a47a6414a93176f0b0831703eebb841ad8f0713037f732c16e6794a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15ff93117a47a6414a93176f0b0831703eebb841ad8f0713037f732c16e6794a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15ff93117a47a6414a93176f0b0831703eebb841ad8f0713037f732c16e6794a", kill_on_drop: false }`
[INFO] [stdout] 15ff93117a47a6414a93176f0b0831703eebb841ad8f0713037f732c16e6794a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2022-04-10" "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] 020fd101add906fa3e711f4de5f2ca74a96160406b491b25eaff19a57278b62a
[INFO] running `Command { std: "docker" "start" "-a" "020fd101add906fa3e711f4de5f2ca74a96160406b491b25eaff19a57278b62a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling napi-build v1.2.1
[INFO] [stderr]    Compiling convert_case v0.5.0
[INFO] [stderr]    Compiling napi-sys v2.1.0
[INFO] [stderr]    Compiling learn-napi v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling napi-derive-backend v1.0.23
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling napi-derive v2.0.7
[INFO] [stderr]    Compiling napi v2.0.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.91s
[INFO] running `Command { std: "docker" "inspect" "020fd101add906fa3e711f4de5f2ca74a96160406b491b25eaff19a57278b62a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "020fd101add906fa3e711f4de5f2ca74a96160406b491b25eaff19a57278b62a", kill_on_drop: false }`
[INFO] [stdout] 020fd101add906fa3e711f4de5f2ca74a96160406b491b25eaff19a57278b62a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2022-04-10" "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] bb6ea6a7abeab4de549089fe7c3cddcf1253a3abc30c3184a28f21d75d44bf24
[INFO] running `Command { std: "docker" "start" "-a" "bb6ea6a7abeab4de549089fe7c3cddcf1253a3abc30c3184a28f21d75d44bf24", kill_on_drop: false }`
[INFO] [stderr]    Compiling learn-napi v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `sum`
[INFO] [stdout]  --> src/lib.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn sum(a: i32, b: i32) -> 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 0.94s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/learn_napi-3dcfb7f2ecf90dd9)
[INFO] running `Command { std: "docker" "inspect" "bb6ea6a7abeab4de549089fe7c3cddcf1253a3abc30c3184a28f21d75d44bf24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb6ea6a7abeab4de549089fe7c3cddcf1253a3abc30c3184a28f21d75d44bf24", kill_on_drop: false }`
[INFO] [stdout] bb6ea6a7abeab4de549089fe7c3cddcf1253a3abc30c3184a28f21d75d44bf24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2022-04-10" "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] 313c9549041be1e6a3a19c33fecf5ba4744c4aa9f148e15c7c3b2e90cf331920
[INFO] running `Command { std: "docker" "start" "-a" "313c9549041be1e6a3a19c33fecf5ba4744c4aa9f148e15c7c3b2e90cf331920", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `sum`
[INFO] [stderr]  --> src/lib.rs:7:4
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn sum(a: i32, b: i32) -> i32 {
[INFO] [stderr]   |    ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `learn-napi` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/learn_napi-3dcfb7f2ecf90dd9)
[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" "313c9549041be1e6a3a19c33fecf5ba4744c4aa9f148e15c7c3b2e90cf331920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "313c9549041be1e6a3a19c33fecf5ba4744c4aa9f148e15c7c3b2e90cf331920", kill_on_drop: false }`
[INFO] [stdout] 313c9549041be1e6a3a19c33fecf5ba4744c4aa9f148e15c7c3b2e90cf331920