[INFO] fetching crate cranelift-frontend 0.78.0...
[INFO] testing cranelift-frontend-0.78.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate cranelift-frontend 0.78.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate cranelift-frontend 0.78.0 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 crates.io crate cranelift-frontend 0.78.0
[INFO] finished tweaking crates.io crate cranelift-frontend 0.78.0
[INFO] tweaked toml for crates.io crate cranelift-frontend 0.78.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] a799139239c7bd184d1682cbbd798a67e46a953bc1d1732f308ce700ce778993
[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" "a799139239c7bd184d1682cbbd798a67e46a953bc1d1732f308ce700ce778993", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a799139239c7bd184d1682cbbd798a67e46a953bc1d1732f308ce700ce778993", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a799139239c7bd184d1682cbbd798a67e46a953bc1d1732f308ce700ce778993", kill_on_drop: false }`
[INFO] [stdout] a799139239c7bd184d1682cbbd798a67e46a953bc1d1732f308ce700ce778993
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e8a7d68873eb0e7547d64c7fc1ea1c92356be868a71fb2fd3d447ae3e92dacf6
[INFO] running `Command { std: "docker" "start" "-a" "e8a7d68873eb0e7547d64c7fc1ea1c92356be868a71fb2fd3d447ae3e92dacf6", kill_on_drop: false }`
[INFO] [stderr]    Compiling cranelift-entity v0.78.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.78.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling target-lexicon v0.12.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.78.0
[INFO] [stderr]    Compiling cranelift-bforest v0.78.0
[INFO] [stderr]    Compiling regalloc v0.0.32
[INFO] [stderr]    Compiling cranelift-codegen v0.78.0
[INFO] [stderr]    Compiling cranelift-frontend v0.78.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.07s
[INFO] running `Command { std: "docker" "inspect" "e8a7d68873eb0e7547d64c7fc1ea1c92356be868a71fb2fd3d447ae3e92dacf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8a7d68873eb0e7547d64c7fc1ea1c92356be868a71fb2fd3d447ae3e92dacf6", kill_on_drop: false }`
[INFO] [stdout] e8a7d68873eb0e7547d64c7fc1ea1c92356be868a71fb2fd3d447ae3e92dacf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2ac96230e7273f17f880754833dd0a07c21064f702779f8e736529dddd859b81
[INFO] running `Command { std: "docker" "start" "-a" "2ac96230e7273f17f880754833dd0a07c21064f702779f8e736529dddd859b81", kill_on_drop: false }`
[INFO] [stderr]    Compiling cranelift-frontend v0.78.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.86s
[INFO] running `Command { std: "docker" "inspect" "2ac96230e7273f17f880754833dd0a07c21064f702779f8e736529dddd859b81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ac96230e7273f17f880754833dd0a07c21064f702779f8e736529dddd859b81", kill_on_drop: false }`
[INFO] [stdout] 2ac96230e7273f17f880754833dd0a07c21064f702779f8e736529dddd859b81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 536c1bb3bdd218c1dd2129fb8a0e12f674a944d15da095ab9ef24d7d14877c44
[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" "536c1bb3bdd218c1dd2129fb8a0e12f674a944d15da095ab9ef24d7d14877c44", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cranelift_frontend-60d14a066fef28cb)
[INFO] [stdout] running 31 tests
[INFO] [stdout] test frontend::tests::sample ... ok
[INFO] [stdout] test ssa::tests::br_table_with_args ... ok
[INFO] [stdout] test frontend::tests::undef_vector_vars ... ok
[INFO] [stdout] test ssa::tests::program_with_loop ... ok
[INFO] [stdout] test frontend::tests::not_so_small_memset ... ok
[INFO] [stdout] test frontend::tests::test_greatest_divisible_power_of_two ... ok
[INFO] [stdout] test frontend::tests::small_memset ... ok
[INFO] [stdout] test ssa::tests::reassign_with_predecessor_loop_hangs ... ok
[INFO] [stdout] test frontend::tests::sample_with_lazy_seal ... ok
[INFO] [stdout] test ssa::tests::undef_in_entry_sealed_after ... ok
[INFO] [stdout] test ssa::tests::sequence_of_blocks ... ok
[INFO] [stdout] test ssa::tests::undef_values_reordering ... ok
[INFO] [stdout] test frontend::tests::memcpy ... ok
[INFO] [stdout] test ssa::tests::unreachable_use_with_multiple_preds ... ok
[INFO] [stdout] test switch::tests::switch_64bit ... ok
[INFO] [stdout] test ssa::tests::unreachable_use ... ok
[INFO] [stdout] test switch::tests::switch_bool ... ok
[INFO] [stdout] test switch::tests::switch_many ... ok
[INFO] [stderr]    Doc-tests cranelift-frontend
[INFO] [stdout] test switch::tests::switch_128bit ... ok
[INFO] [stdout] test ssa::tests::simple_block ... ok
[INFO] [stdout] test switch::tests::switch_single ... ok
[INFO] [stdout] test switch::tests::switch_two_gap ... ok
[INFO] [stdout] test switch::tests::switch_min_index_value ... ok
[INFO] [stdout] test switch::tests::switch_max_index_value ... ok
[INFO] [stdout] test switch::tests::switch_optimal_codegen ... ok
[INFO] [stdout] test switch::tests::switch_zero ... ok
[INFO] [stdout] test switch::tests::switch_seal_generated_blocks ... ok
[INFO] [stdout] test ssa::tests::undef ... ok
[INFO] [stdout] test ssa::tests::undef_in_entry ... ok
[INFO] [stdout] test frontend::tests::not_so_small_memcpy ... ok
[INFO] [stdout] test frontend::tests::small_memcpy ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 31 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/switch.rs - switch::Switch (line 15) ... ok
[INFO] [stdout] test src/lib.rs - (line 66) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.69s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "536c1bb3bdd218c1dd2129fb8a0e12f674a944d15da095ab9ef24d7d14877c44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "536c1bb3bdd218c1dd2129fb8a0e12f674a944d15da095ab9ef24d7d14877c44", kill_on_drop: false }`
[INFO] [stdout] 536c1bb3bdd218c1dd2129fb8a0e12f674a944d15da095ab9ef24d7d14877c44