[INFO] fetching crate walrus 0.17.0...
[INFO] testing walrus-0.17.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate walrus 0.17.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate walrus 0.17.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate walrus 0.17.0
[INFO] finished tweaking crates.io crate walrus 0.17.0
[INFO] tweaked toml for crates.io crate walrus 0.17.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate walrus 0.17.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stdout] 276756c0a6b8582a5e5d02c9c4da9c53d7a978c0bb63bc1847fb0e25395e1466
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "276756c0a6b8582a5e5d02c9c4da9c53d7a978c0bb63bc1847fb0e25395e1466"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling walrus-macro v0.17.0
[INFO] [stderr]    Compiling walrus v0.17.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.48s
[INFO] running `"docker" "inspect" "276756c0a6b8582a5e5d02c9c4da9c53d7a978c0bb63bc1847fb0e25395e1466"`
[INFO] running `"docker" "rm" "-f" "276756c0a6b8582a5e5d02c9c4da9c53d7a978c0bb63bc1847fb0e25395e1466"`
[INFO] [stdout] 276756c0a6b8582a5e5d02c9c4da9c53d7a978c0bb63bc1847fb0e25395e1466
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 61c3c09e93fa2a813286f45c859705a7d69053504122d0cf5f69577ef4962a32
[INFO] running `"docker" "start" "-a" "61c3c09e93fa2a813286f45c859705a7d69053504122d0cf5f69577ef4962a32"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling oorandom v11.1.1
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling plotters v0.2.14
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling criterion-plot v0.4.2
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling tinytemplate v1.0.4
[INFO] [stderr]    Compiling criterion v0.3.2
[INFO] [stderr]    Compiling walrus v0.17.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 30s
[INFO] running `"docker" "inspect" "61c3c09e93fa2a813286f45c859705a7d69053504122d0cf5f69577ef4962a32"`
[INFO] running `"docker" "rm" "-f" "61c3c09e93fa2a813286f45c859705a7d69053504122d0cf5f69577ef4962a32"`
[INFO] [stdout] 61c3c09e93fa2a813286f45c859705a7d69053504122d0cf5f69577ef4962a32
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2e9de5e1296a2c0149c0eea33369d62834f5e84d89202052e229b38875881f4a
[INFO] running `"docker" "start" "-a" "2e9de5e1296a2c0149c0eea33369d62834f5e84d89202052e229b38875881f4a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/walrus-1cad8a0976e8592e
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test module::exports::tests::delete ... ok
[INFO] [stdout] test module::exports::tests::get_exported_memory ... ok
[INFO] [stdout] test ir::traversals::tests::dfs_pre_order_mut ... ok
[INFO] [stdout] test module::exports::tests::get_exported_global ... ok
[INFO] [stdout] test module::exports::tests::get_exported_func_should_return_none_for_unknown_function_id ... ok
[INFO] [stdout] test module::exports::tests::get_exported_table ... ok
[INFO] [stdout] test module::exports::tests::get_exported_memory_should_return_none_for_unknown_memory_id ... ok
[INFO] [stdout] test tombstone_arena::tests::can_delete ... ok
[INFO] [stdout] test module::exports::tests::get_exported_global_should_return_none_for_unknown_global_id ... ok
[INFO] [stdout] test ir::traversals::tests::dfs_in_order ... ok
[INFO] [stdout] test module::exports::tests::get_exported_table_should_return_none_for_unknown_table_id ... ok
[INFO] [stdout] test module::exports::tests::get_exported_func ... ok
[INFO] [stdout] test module::exports::tests::iter_mut_can_update_export_item ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests walrus
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test src/ir/mod.rs - ir::Instr (line 246) ... ignored
[INFO] [stdout] test src/ir/mod.rs - ir::Instr (line 255) ... ignored
[INFO] [stdout] test src/ir/traversals.rs - ir::traversals::dfs_in_order (line 33) ... ok
[INFO] [stdout] test src/ir/traversals.rs - ir::traversals::dfs_pre_order_mut (line 155) ... ok
[INFO] [stdout] test src/dot.rs - dot::Module::write_graphviz_dot (line 17) ... ok
[INFO] [stdout] test src/function_builder.rs - function_builder::InstrSeqBuilder::block_at (line 267) ... ok
[INFO] [stdout] test src/function_builder.rs - function_builder::InstrSeqBuilder::if_else_at (line 436) ... ok
[INFO] [stdout] test src/function_builder.rs - function_builder::FunctionBuilder::dangling_instr_seq (line 110) ... ok
[INFO] [stdout] test src/function_builder.rs - function_builder::FunctionBuilder::instr_seq (line 71) ... ok
[INFO] [stdout] test src/function_builder.rs - function_builder::FunctionBuilder::finish (line 141) ... ok
[INFO] [stdout] test src/function_builder.rs - function_builder::InstrSeqBuilder::if_else (line 380) ... ok
[INFO] [stdout] test src/function_builder.rs - function_builder::InstrSeqBuilder::loop_at (line 340) ... ok
[INFO] [stdout] test src/function_builder.rs - function_builder::InstrSeqBuilder::loop_ (line 306) ... ok
[INFO] [stdout] test src/function_builder.rs - function_builder::InstrSeqBuilder::block (line 234) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "2e9de5e1296a2c0149c0eea33369d62834f5e84d89202052e229b38875881f4a"`
[INFO] running `"docker" "rm" "-f" "2e9de5e1296a2c0149c0eea33369d62834f5e84d89202052e229b38875881f4a"`
[INFO] [stdout] 2e9de5e1296a2c0149c0eea33369d62834f5e84d89202052e229b38875881f4a