[INFO] fetching crate mangling 0.2.3...
[INFO] testing mangling-0.2.3 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate mangling 0.2.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate mangling 0.2.3 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mangling 0.2.3
[INFO] finished tweaking crates.io crate mangling 0.2.3
[INFO] tweaked toml for crates.io crate mangling 0.2.3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] a0e7b75acef61e0d0345f121384a8a533083dbc31036856dd561e2f1581c6caf
[INFO] running `Command { std: "docker" "start" "-a" "a0e7b75acef61e0d0345f121384a8a533083dbc31036856dd561e2f1581c6caf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0e7b75acef61e0d0345f121384a8a533083dbc31036856dd561e2f1581c6caf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0e7b75acef61e0d0345f121384a8a533083dbc31036856dd561e2f1581c6caf", kill_on_drop: false }`
[INFO] [stdout] a0e7b75acef61e0d0345f121384a8a533083dbc31036856dd561e2f1581c6caf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e6d8765890fd8dfb8d11f9b2e9e739bc68d818a28e4e170004ee3328c556489
[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" "7e6d8765890fd8dfb8d11f9b2e9e739bc68d818a28e4e170004ee3328c556489", kill_on_drop: false }`
[INFO] [stderr]    Compiling mangling v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "7e6d8765890fd8dfb8d11f9b2e9e739bc68d818a28e4e170004ee3328c556489", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e6d8765890fd8dfb8d11f9b2e9e739bc68d818a28e4e170004ee3328c556489", kill_on_drop: false }`
[INFO] [stdout] 7e6d8765890fd8dfb8d11f9b2e9e739bc68d818a28e4e170004ee3328c556489
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 77df08e62ece1f297e20764982364708bf1355e4b566ec685effd2f06c9a450d
[INFO] running `Command { std: "docker" "start" "-a" "77df08e62ece1f297e20764982364708bf1355e4b566ec685effd2f06c9a450d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling mangling v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 33.80s
[INFO] running `Command { std: "docker" "inspect" "77df08e62ece1f297e20764982364708bf1355e4b566ec685effd2f06c9a450d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77df08e62ece1f297e20764982364708bf1355e4b566ec685effd2f06c9a450d", kill_on_drop: false }`
[INFO] [stdout] 77df08e62ece1f297e20764982364708bf1355e4b566ec685effd2f06c9a450d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ff536d1c947a8c29efaa07932aca4ff60359c30d515c88c26497ca67add86e62
[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" "ff536d1c947a8c29efaa07932aca4ff60359c30d515c88c26497ca67add86e62", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mangling-5194e154ee85e548
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test test::overflow ... ok
[INFO] [stdout] test test::demangling ... ok
[INFO] [stdout] test clib::test::mangling ... ok
[INFO] [stdout] test clib::test::demangling ... ok
[INFO] [stdout] test test::mangling ... ok
[INFO] [stdout] test test::hexing ... ok
[INFO] [stdout] test test::length_promises ... ok
[INFO] [stdout] test test::mangling_roundtrip ... ok
[INFO] [stdout] test test::demangling_corrupted ... ok
[INFO] [stdout] test clib::test::demangling_corrupted ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mangling
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/clib/mod.rs - clib::mangling_mangle (line 78) ... ok
[INFO] [stdout] test src/clib/mod.rs - clib::mangling_demangle (line 154) ... ok
[INFO] [stdout] test src/clib/mod.rs - clib::mangling_mangle (line 43) ... ok
[INFO] [stdout] test src/clib/mod.rs - clib::mangling_mangle (line 50) ... ok
[INFO] [stdout] test src/lib.rs - mangle (line 74) ... ok
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.79s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ff536d1c947a8c29efaa07932aca4ff60359c30d515c88c26497ca67add86e62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff536d1c947a8c29efaa07932aca4ff60359c30d515c88c26497ca67add86e62", kill_on_drop: false }`
[INFO] [stdout] ff536d1c947a8c29efaa07932aca4ff60359c30d515c88c26497ca67add86e62