[INFO] cloning repository https://github.com/burjui/rambo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/burjui/rambo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fburjui%2Frambo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fburjui%2Frambo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 447aa4d4c7714cc087b7accfb81ffffe92cbe060
[INFO] testing burjui/rambo 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%2Fburjui%2Frambo" "/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/burjui/rambo 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/burjui/rambo
[INFO] finished tweaking git repo https://github.com/burjui/rambo
[INFO] tweaked toml for git repo https://github.com/burjui/rambo written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/burjui/rambo 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-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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 175436ee88fb2c182f8d3e3cf906834ca832b7e96bd5434d5c1e7b3e3f2bf675
[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" "175436ee88fb2c182f8d3e3cf906834ca832b7e96bd5434d5c1e7b3e3f2bf675", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "175436ee88fb2c182f8d3e3cf906834ca832b7e96bd5434d5c1e7b3e3f2bf675", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "175436ee88fb2c182f8d3e3cf906834ca832b7e96bd5434d5c1e7b3e3f2bf675", kill_on_drop: false }`
[INFO] [stdout] 175436ee88fb2c182f8d3e3cf906834ca832b7e96bd5434d5c1e7b3e3f2bf675
[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" "+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] cdad03d5b73a0afed8495650254126b008932b35a8cd34fd43f19225a0a9b665
[INFO] running `Command { std: "docker" "start" "-a" "cdad03d5b73a0afed8495650254126b008932b35a8cd34fd43f19225a0a9b665", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling bincode_derive v2.0.0-alpha.1
[INFO] [stderr]    Compiling fixedbitset v0.4.0
[INFO] [stderr]    Compiling elapsed v0.1.2
[INFO] [stderr]    Compiling risky v0.3.0
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling bimap v0.6.1
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling bincode v2.0.0-alpha.1
[INFO] [stderr]    Compiling petgraph v0.6.0
[INFO] [stderr]    Compiling rvsim v0.2.2
[INFO] [stderr]    Compiling rambo v0.3.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `exit_block`
[INFO] [stdout]    --> src/ir/mod.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 134 |     pub(crate) exit_block: NodeIndex,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `IRModule` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/ir/mod.rs:129:10
[INFO] [stdout]     |
[INFO] [stdout] 129 | #[derive(Clone)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `main_fn_id`
[INFO] [stdout]    --> src/ir/mod.rs:140:5
[INFO] [stdout]     |
[INFO] [stdout] 140 |     pub(crate) main_fn_id: Option<FnId>, // FIXME not used at the moment, consider removing
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `IRModule` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/ir/mod.rs:129:10
[INFO] [stdout]     |
[INFO] [stdout] 129 | #[derive(Clone)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.68s
[INFO] running `Command { std: "docker" "inspect" "cdad03d5b73a0afed8495650254126b008932b35a8cd34fd43f19225a0a9b665", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdad03d5b73a0afed8495650254126b008932b35a8cd34fd43f19225a0a9b665", kill_on_drop: false }`
[INFO] [stdout] cdad03d5b73a0afed8495650254126b008932b35a8cd34fd43f19225a0a9b665
[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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5c49502f7a7cb3c7e9fc283727cec97e4d2c5b21e43337fd6e03bc7dbdf1713
[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" "d5c49502f7a7cb3c7e9fc283727cec97e4d2c5b21e43337fd6e03bc7dbdf1713", kill_on_drop: false }`
[INFO] [stderr]    Compiling rambo v0.3.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `exit_block`
[INFO] [stdout]    --> src/ir/mod.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 134 |     pub(crate) exit_block: NodeIndex,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `IRModule` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/ir/mod.rs:129:10
[INFO] [stdout]     |
[INFO] [stdout] 129 | #[derive(Clone)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.26s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rambo-4e26bb4fb14750be)
[INFO] running `Command { std: "docker" "inspect" "d5c49502f7a7cb3c7e9fc283727cec97e4d2c5b21e43337fd6e03bc7dbdf1713", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5c49502f7a7cb3c7e9fc283727cec97e4d2c5b21e43337fd6e03bc7dbdf1713", kill_on_drop: false }`
[INFO] [stdout] d5c49502f7a7cb3c7e9fc283727cec97e4d2c5b21e43337fd6e03bc7dbdf1713
[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" "+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] 265bf91a4c19a513b6d713c5b432ffb71668d51464bafec512418a6323e2fc40
[INFO] running `Command { std: "docker" "start" "-a" "265bf91a4c19a513b6d713c5b432ffb71668d51464bafec512418a6323e2fc40", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `exit_block`
[INFO] [stderr]    --> src/ir/mod.rs:134:5
[INFO] [stderr]     |
[INFO] [stderr] 134 |     pub(crate) exit_block: NodeIndex,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `IRModule` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    --> src/ir/mod.rs:129:10
[INFO] [stderr]     |
[INFO] [stderr] 129 | #[derive(Clone)]
[INFO] [stderr]     |          ^^^^^
[INFO] [stderr]     = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `rambo` (bin "rambo" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rambo-4e26bb4fb14750be)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test frontend::tests::block_removal ... ok
[INFO] [stdout] test frontend::tests::conditional_cfp ... ok
[INFO] [stdout] test frontend::tests::not_stealing_definitions_from_other_branches ... ok
[INFO] [stdout] test riscv_backend::tests::branching ... ok
[INFO] [stdout] test riscv_backend::tests::functions ... ok
[INFO] [stdout] test riscv_exe::simulator::range_intersection ... ok
[INFO] [stdout] test riscv_simulator::tests::riscv_simulator ... ok
[INFO] [stdout] test riscv_backend::tests::function_return ... ok
[INFO] [stdout] test frontend::tests::marker_eval ... ok
[INFO] [stdout] test frontend::tests::generic ... ok
[INFO] [stdout] test riscv_backend::tests::proper_spilling ... ok
[INFO] [stdout] test riscv_backend::tests::misaligned_fetch ... ok
[INFO] [stdout] test frontend::tests::block_removal2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "265bf91a4c19a513b6d713c5b432ffb71668d51464bafec512418a6323e2fc40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "265bf91a4c19a513b6d713c5b432ffb71668d51464bafec512418a6323e2fc40", kill_on_drop: false }`
[INFO] [stdout] 265bf91a4c19a513b6d713c5b432ffb71668d51464bafec512418a6323e2fc40