[INFO] cloning repository https://github.com/hio/rusk
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hio/rusk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhio%2Frusk", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhio%2Frusk'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8eb863c911dc93c9eb698a5232833cd1c8f4930e
[INFO] testing hio/rusk against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhio%2Frusk" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hio/rusk on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hio/rusk
[INFO] finished tweaking git repo https://github.com/hio/rusk
[INFO] tweaked toml for git repo https://github.com/hio/rusk written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/hio/rusk already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] 9246ac5486a8be4c096f0612665c46917e4daf4b7b4a794083da76db4b8cceeb
[INFO] running `Command { std: "docker" "start" "-a" "9246ac5486a8be4c096f0612665c46917e4daf4b7b4a794083da76db4b8cceeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9246ac5486a8be4c096f0612665c46917e4daf4b7b4a794083da76db4b8cceeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9246ac5486a8be4c096f0612665c46917e4daf4b7b4a794083da76db4b8cceeb", kill_on_drop: false }`
[INFO] [stdout] 9246ac5486a8be4c096f0612665c46917e4daf4b7b4a794083da76db4b8cceeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93d539d29f60cc4e6d983be09019c76ecb3f236451ba08d0d1e847d85e1a2a75
[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" "93d539d29f60cc4e6d983be09019c76ecb3f236451ba08d0d1e847d85e1a2a75", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling serde_json v1.0.44
[INFO] [stderr]    Compiling rusk v0.1.18 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `prefix_op`
[INFO] [stdout]    --> src/parser.rs:588:2
[INFO] [stdout]     |
[INFO] [stdout] 588 |     prefix_op: bool,
[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 48.15s
[INFO] running `Command { std: "docker" "inspect" "93d539d29f60cc4e6d983be09019c76ecb3f236451ba08d0d1e847d85e1a2a75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93d539d29f60cc4e6d983be09019c76ecb3f236451ba08d0d1e847d85e1a2a75", kill_on_drop: false }`
[INFO] [stdout] 93d539d29f60cc4e6d983be09019c76ecb3f236451ba08d0d1e847d85e1a2a75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e83673d824068686e9e30b82482f3b6dce6300283529682beb34addb98796134
[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" "e83673d824068686e9e30b82482f3b6dce6300283529682beb34addb98796134", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusk v0.1.18 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `prefix_op`
[INFO] [stdout]    --> src/parser.rs:588:2
[INFO] [stdout]     |
[INFO] [stdout] 588 |     prefix_op: bool,
[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 6.91s
[INFO] running `Command { std: "docker" "inspect" "e83673d824068686e9e30b82482f3b6dce6300283529682beb34addb98796134", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e83673d824068686e9e30b82482f3b6dce6300283529682beb34addb98796134", kill_on_drop: false }`
[INFO] [stdout] e83673d824068686e9e30b82482f3b6dce6300283529682beb34addb98796134
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dacc379d8961dc878e47ee0e589c661afbd61628d07a3173c6d62d33d7511d1e
[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" "dacc379d8961dc878e47ee0e589c661afbd61628d07a3173c6d62d33d7511d1e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: field is never read: `prefix_op`
[INFO] [stdout] running 13 tests
[INFO] [stderr]    --> src/parser.rs:588:2
[INFO] [stderr]     |
[INFO] [stderr] 588 |     prefix_op: bool,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rusk-c2d839c7965a7622)
[INFO] [stdout] test formatter::json::tests::it_works ... ok
[INFO] [stdout] test parser::test_event ... ok
[INFO] [stdout] test parser::test_empty ... ok
[INFO] [stdout] test parser::test_const ... ok
[INFO] [stdout] test parser::test_state_invariant ... ok
[INFO] [stdout] test parser::test_invariant ... ok
[INFO] [stdout] test parser::test_fn_stmt ... ok
[INFO] [stdout] test parser::test_state_tau ... ok
[INFO] [stdout] test parser::test_state_var ... ok
[INFO] [stdout] test parser::test_type ... ok
[INFO] [stdout] test parser::test_proc ... ok
[INFO] [stdout] test parser::test_state_transition ... ok
[INFO] [stdout] test parser::test_expr ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.21s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dacc379d8961dc878e47ee0e589c661afbd61628d07a3173c6d62d33d7511d1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dacc379d8961dc878e47ee0e589c661afbd61628d07a3173c6d62d33d7511d1e", kill_on_drop: false }`
[INFO] [stdout] dacc379d8961dc878e47ee0e589c661afbd61628d07a3173c6d62d33d7511d1e