[INFO] fetching crate rustler 0.22.0...
[INFO] testing rustler-0.22.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rustler 0.22.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rustler 0.22.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustler 0.22.0
[INFO] finished tweaking crates.io crate rustler 0.22.0
[INFO] tweaked toml for crates.io crate rustler 0.22.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 8e9ea834697e9bd6cc8aedac923662cd1140a02d663e4d493cab7979d28ef386
[INFO] running `Command { std: "docker" "start" "-a" "8e9ea834697e9bd6cc8aedac923662cd1140a02d663e4d493cab7979d28ef386", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e9ea834697e9bd6cc8aedac923662cd1140a02d663e4d493cab7979d28ef386", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e9ea834697e9bd6cc8aedac923662cd1140a02d663e4d493cab7979d28ef386", kill_on_drop: false }`
[INFO] [stdout] 8e9ea834697e9bd6cc8aedac923662cd1140a02d663e4d493cab7979d28ef386
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 05fdd4df2ca1bc605eba551d332257eac9f001baaa2d4be3861e170aa6a647fb
[INFO] running `Command { std: "docker" "start" "-a" "05fdd4df2ca1bc605eba551d332257eac9f001baaa2d4be3861e170aa6a647fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustler_sys v2.1.1
[INFO] [stderr]    Compiling rustler v0.22.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rustler_codegen v0.22.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.92s
[INFO] running `Command { std: "docker" "inspect" "05fdd4df2ca1bc605eba551d332257eac9f001baaa2d4be3861e170aa6a647fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05fdd4df2ca1bc605eba551d332257eac9f001baaa2d4be3861e170aa6a647fb", kill_on_drop: false }`
[INFO] [stdout] 05fdd4df2ca1bc605eba551d332257eac9f001baaa2d4be3861e170aa6a647fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17ef2f8a3aa91d28bc5f48bb1eafdc5d398ab6834447c1c663b1a71ec6d99ca9
[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" "17ef2f8a3aa91d28bc5f48bb1eafdc5d398ab6834447c1c663b1a71ec6d99ca9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustler v0.22.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "17ef2f8a3aa91d28bc5f48bb1eafdc5d398ab6834447c1c663b1a71ec6d99ca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17ef2f8a3aa91d28bc5f48bb1eafdc5d398ab6834447c1c663b1a71ec6d99ca9", kill_on_drop: false }`
[INFO] [stdout] 17ef2f8a3aa91d28bc5f48bb1eafdc5d398ab6834447c1c663b1a71ec6d99ca9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b8733a7f39e8ba84e9a40ad47c46bfef3c6b2fd2b3640a1c27b49748fa61343f
[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" "b8733a7f39e8ba84e9a40ad47c46bfef3c6b2fd2b3640a1c27b49748fa61343f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustler-c615fea7dfac45e6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rustler
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/term.rs - term::Term::decode (line 70) ... ignored
[INFO] [stdout] test src/types/binary.rs - types::binary (line 21) - compile ... ok
[INFO] [stdout] test src/types/binary.rs - types::binary (line 32) - compile ... ok
[INFO] [stdout] test src/types/binary.rs - types::binary (line 53) - compile ... ok
[INFO] [stdout] test src/types/atom.rs - atoms (line 150) ... ok
[INFO] [stdout] test src/types/list.rs - types::list::ListIterator (line 26) ... ok
[INFO] [stdout] test src/types/atom.rs - atoms (line 164) ... ok
[INFO] [stdout] test src/types/atom.rs - atoms (line 181) ... ok
[INFO] [stdout] test src/env.rs - env::OwnedEnv (line 127) ... ok
[INFO] [stdout] test src/env.rs - env::OwnedEnv::save (line 213) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.53s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b8733a7f39e8ba84e9a40ad47c46bfef3c6b2fd2b3640a1c27b49748fa61343f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8733a7f39e8ba84e9a40ad47c46bfef3c6b2fd2b3640a1c27b49748fa61343f", kill_on_drop: false }`
[INFO] [stdout] b8733a7f39e8ba84e9a40ad47c46bfef3c6b2fd2b3640a1c27b49748fa61343f