[INFO] cloning repository https://github.com/duckinator/chewy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/duckinator/chewy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduckinator%2Fchewy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduckinator%2Fchewy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 33bf85de6c360500aac0144c6d6fa07fd115b620
[INFO] testing duckinator/chewy against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduckinator%2Fchewy" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/duckinator/chewy on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/duckinator/chewy
[INFO] finished tweaking git repo https://github.com/duckinator/chewy
[INFO] tweaked toml for git repo https://github.com/duckinator/chewy written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/duckinator/chewy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4aa65da2db66c84e4c37a8a09d3bd03ae1a18fadfea030ab2f750632c5adb6f6
[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" "4aa65da2db66c84e4c37a8a09d3bd03ae1a18fadfea030ab2f750632c5adb6f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4aa65da2db66c84e4c37a8a09d3bd03ae1a18fadfea030ab2f750632c5adb6f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aa65da2db66c84e4c37a8a09d3bd03ae1a18fadfea030ab2f750632c5adb6f6", kill_on_drop: false }`
[INFO] [stdout] 4aa65da2db66c84e4c37a8a09d3bd03ae1a18fadfea030ab2f750632c5adb6f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7cf83521fa14d196e1d47dc5610b93605263ab29b5aa7be6084658473c03723f
[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" "7cf83521fa14d196e1d47dc5610b93605263ab29b5aa7be6084658473c03723f", kill_on_drop: false }`
[INFO] [stderr]    Compiling chewy v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `stack`
[INFO] [stdout]   --> src/main.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn execute1(stack: &mut Vec<i128>, op: String, b: i128) {
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_stack`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 1.28s
[INFO] running `Command { std: "docker" "inspect" "7cf83521fa14d196e1d47dc5610b93605263ab29b5aa7be6084658473c03723f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cf83521fa14d196e1d47dc5610b93605263ab29b5aa7be6084658473c03723f", kill_on_drop: false }`
[INFO] [stdout] 7cf83521fa14d196e1d47dc5610b93605263ab29b5aa7be6084658473c03723f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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] 7566e7bfcd095bfe848c1e6136bb42ad534225562afc05e32e4e80c773effbf5
[INFO] running `Command { std: "docker" "start" "-a" "7566e7bfcd095bfe848c1e6136bb42ad534225562afc05e32e4e80c773effbf5", kill_on_drop: false }`
[INFO] [stderr]    Compiling chewy v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `stack`
[INFO] [stdout]   --> src/main.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn execute1(stack: &mut Vec<i128>, op: String, b: i128) {
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_stack`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 0.98s
[INFO] running `Command { std: "docker" "inspect" "7566e7bfcd095bfe848c1e6136bb42ad534225562afc05e32e4e80c773effbf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7566e7bfcd095bfe848c1e6136bb42ad534225562afc05e32e4e80c773effbf5", kill_on_drop: false }`
[INFO] [stdout] 7566e7bfcd095bfe848c1e6136bb42ad534225562afc05e32e4e80c773effbf5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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] 99565f969fcc213a8ff4437a3fbc9338aa4a121d1d7089b29f3449be083452a4
[INFO] running `Command { std: "docker" "start" "-a" "99565f969fcc213a8ff4437a3fbc9338aa4a121d1d7089b29f3449be083452a4", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `stack`
[INFO] [stderr]   --> src/main.rs:44:13
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn execute1(stack: &mut Vec<i128>, op: String, b: i128) {
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_stack`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `chewy` (bin "chewy" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chewy-a082715f6829d0de)
[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" "99565f969fcc213a8ff4437a3fbc9338aa4a121d1d7089b29f3449be083452a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99565f969fcc213a8ff4437a3fbc9338aa4a121d1d7089b29f3449be083452a4", kill_on_drop: false }`
[INFO] [stdout] 99565f969fcc213a8ff4437a3fbc9338aa4a121d1d7089b29f3449be083452a4