[INFO] fetching crate cranelift-frontend 0.75.0...
[INFO] testing cranelift-frontend-0.75.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate cranelift-frontend 0.75.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate cranelift-frontend 0.75.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cranelift-frontend 0.75.0
[INFO] finished tweaking crates.io crate cranelift-frontend 0.75.0
[INFO] tweaked toml for crates.io crate cranelift-frontend 0.75.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa93ac89bf0aac910362d36c380f27f057a1f42e7cf6f29675f374cfc2f35c63
[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" "fa93ac89bf0aac910362d36c380f27f057a1f42e7cf6f29675f374cfc2f35c63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa93ac89bf0aac910362d36c380f27f057a1f42e7cf6f29675f374cfc2f35c63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa93ac89bf0aac910362d36c380f27f057a1f42e7cf6f29675f374cfc2f35c63", kill_on_drop: false }`
[INFO] [stdout] fa93ac89bf0aac910362d36c380f27f057a1f42e7cf6f29675f374cfc2f35c63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29fd76be1e9362b3414235e2ba59054b2a5e3c1cf5e5c5eff4daa46eea20c587
[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" "29fd76be1e9362b3414235e2ba59054b2a5e3c1cf5e5c5eff4daa46eea20c587", kill_on_drop: false }`
[INFO] [stderr]    Compiling cranelift-frontend v0.75.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "29fd76be1e9362b3414235e2ba59054b2a5e3c1cf5e5c5eff4daa46eea20c587", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29fd76be1e9362b3414235e2ba59054b2a5e3c1cf5e5c5eff4daa46eea20c587", kill_on_drop: false }`
[INFO] [stdout] 29fd76be1e9362b3414235e2ba59054b2a5e3c1cf5e5c5eff4daa46eea20c587
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] 06ea286940e3909d8731ef96a7c69a27780e95c265873e5c3c4d9b9c467ad0b4
[INFO] running `Command { std: "docker" "start" "-a" "06ea286940e3909d8731ef96a7c69a27780e95c265873e5c3c4d9b9c467ad0b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling cranelift-frontend v0.75.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.48s
[INFO] running `Command { std: "docker" "inspect" "06ea286940e3909d8731ef96a7c69a27780e95c265873e5c3c4d9b9c467ad0b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06ea286940e3909d8731ef96a7c69a27780e95c265873e5c3c4d9b9c467ad0b4", kill_on_drop: false }`
[INFO] [stdout] 06ea286940e3909d8731ef96a7c69a27780e95c265873e5c3c4d9b9c467ad0b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e41b641d81f2973f1ba788ae0b674a4afe0371b87eec79794852fafae44b566b
[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" "e41b641d81f2973f1ba788ae0b674a4afe0371b87eec79794852fafae44b566b", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cranelift_frontend-bc3976ae30607648)
[INFO] [stdout] test frontend::tests::memcpy ... ok
[INFO] [stdout] test ssa::tests::sequence_of_blocks ... ok
[INFO] [stdout] test frontend::tests::test_greatest_divisible_power_of_two ... ok
[INFO] [stdout] test frontend::tests::small_memcpy ... ok
[INFO] [stdout] test frontend::tests::undef_vector_vars ... ok
[INFO] [stdout] test frontend::tests::not_so_small_memcpy ... ok
[INFO] [stdout] test ssa::tests::br_table_with_args ... 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::small_memset ... ok
[INFO] [stdout] test ssa::tests::undef_in_entry_sealed_after ... ok
[INFO] [stdout] test ssa::tests::undef_values_reordering ... ok
[INFO] [stdout] test ssa::tests::unreachable_use ... ok
[INFO] [stdout] test frontend::tests::sample ... ok
[INFO] [stdout] test ssa::tests::simple_block ... ok
[INFO] [stdout] test ssa::tests::unreachable_use_with_multiple_preds ... ok
[INFO] [stdout] test ssa::tests::undef ... ok
[INFO] [stdout] test switch::tests::switch_128bit ... ok
[INFO] [stdout] test switch::tests::switch_64bit ... ok
[INFO] [stdout] test switch::tests::switch_bool ... ok
[INFO] [stdout] test switch::tests::switch_many ... ok
[INFO] [stdout] test ssa::tests::undef_in_entry ... ok
[INFO] [stdout] test switch::tests::switch_max_index_value ... ok
[INFO] [stdout] test switch::tests::switch_min_index_value ... ok
[INFO] [stdout] test frontend::tests::sample_with_lazy_seal ... ok
[INFO] [stdout] test switch::tests::switch_zero ... ok
[INFO] [stdout] test switch::tests::switch_optimal_codegen ... ok
[INFO] [stdout] test switch::tests::switch_single ... ok
[INFO] [stdout] test switch::tests::switch_two_gap ... ok
[INFO] [stdout] test switch::tests::switch_seal_generated_blocks ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cranelift-frontend
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/switch.rs - switch::Switch (line 16) ... 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 2.46s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e41b641d81f2973f1ba788ae0b674a4afe0371b87eec79794852fafae44b566b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e41b641d81f2973f1ba788ae0b674a4afe0371b87eec79794852fafae44b566b", kill_on_drop: false }`
[INFO] [stdout] e41b641d81f2973f1ba788ae0b674a4afe0371b87eec79794852fafae44b566b