[INFO] cloning repository https://github.com/tuzz/chaffin-variation-rust-v2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tuzz/chaffin-variation-rust-v2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Fchaffin-variation-rust-v2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Fchaffin-variation-rust-v2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ffbb2570431f1e1567cd3a5539f9bd5f7ea028e
[INFO] testing tuzz/chaffin-variation-rust-v2 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Fchaffin-variation-rust-v2" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tuzz/chaffin-variation-rust-v2 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tuzz/chaffin-variation-rust-v2
[INFO] finished tweaking git repo https://github.com/tuzz/chaffin-variation-rust-v2
[INFO] tweaked toml for git repo https://github.com/tuzz/chaffin-variation-rust-v2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/tuzz/chaffin-variation-rust-v2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ed3721cbefbe7e617b7b4ab242a6ad59a914107c11346e0e52560e3fae28bd6
[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" "0ed3721cbefbe7e617b7b4ab242a6ad59a914107c11346e0e52560e3fae28bd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ed3721cbefbe7e617b7b4ab242a6ad59a914107c11346e0e52560e3fae28bd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ed3721cbefbe7e617b7b4ab242a6ad59a914107c11346e0e52560e3fae28bd6", kill_on_drop: false }`
[INFO] [stdout] 0ed3721cbefbe7e617b7b4ab242a6ad59a914107c11346e0e52560e3fae28bd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2d316b2e57a0c7e50ce2560b74a3f2cd73af1d7ef08e9e829fe9e1b9efb7195
[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" "a2d316b2e57a0c7e50ce2560b74a3f2cd73af1d7ef08e9e829fe9e1b9efb7195", kill_on_drop: false }`
[INFO] [stderr]    Compiling lehmer v3.0.0
[INFO] [stderr]    Compiling chrono v0.4.9
[INFO] [stderr]    Compiling chaffin-v2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.49s
[INFO] running `Command { std: "docker" "inspect" "a2d316b2e57a0c7e50ce2560b74a3f2cd73af1d7ef08e9e829fe9e1b9efb7195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2d316b2e57a0c7e50ce2560b74a3f2cd73af1d7ef08e9e829fe9e1b9efb7195", kill_on_drop: false }`
[INFO] [stdout] a2d316b2e57a0c7e50ce2560b74a3f2cd73af1d7ef08e9e829fe9e1b9efb7195
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7187c0d61ac9d7829566b67bbd93ad45081fe38be9327d2e8973cef9cd9fb27
[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" "f7187c0d61ac9d7829566b67bbd93ad45081fe38be9327d2e8973cef9cd9fb27", kill_on_drop: false }`
[INFO] [stderr]    Compiling chaffin-v2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.57s
[INFO] running `Command { std: "docker" "inspect" "f7187c0d61ac9d7829566b67bbd93ad45081fe38be9327d2e8973cef9cd9fb27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7187c0d61ac9d7829566b67bbd93ad45081fe38be9327d2e8973cef9cd9fb27", kill_on_drop: false }`
[INFO] [stdout] f7187c0d61ac9d7829566b67bbd93ad45081fe38be9327d2e8973cef9cd9fb27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] 215cb6f0bf7d7efa6befff454b39c7cd7a729cd21c5260c66ae45c6d67ea28a9
[INFO] running `Command { std: "docker" "start" "-a" "215cb6f0bf7d7efa6befff454b39c7cd7a729cd21c5260c66ae45c6d67ea28a9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chaffin_v2-271a914c03229c8c)
[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" "215cb6f0bf7d7efa6befff454b39c7cd7a729cd21c5260c66ae45c6d67ea28a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "215cb6f0bf7d7efa6befff454b39c7cd7a729cd21c5260c66ae45c6d67ea28a9", kill_on_drop: false }`
[INFO] [stdout] 215cb6f0bf7d7efa6befff454b39c7cd7a729cd21c5260c66ae45c6d67ea28a9