[INFO] fetching crate mcrw 0.4.0...
[INFO] testing mcrw-0.4.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate mcrw 0.4.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate mcrw 0.4.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mcrw 0.4.0
[INFO] finished tweaking crates.io crate mcrw 0.4.0
[INFO] tweaked toml for crates.io crate mcrw 0.4.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4651e4259b0f42bee3e7980dbab8758dc8abed27ed4497bc7de0548c47b7c33
[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" "b4651e4259b0f42bee3e7980dbab8758dc8abed27ed4497bc7de0548c47b7c33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4651e4259b0f42bee3e7980dbab8758dc8abed27ed4497bc7de0548c47b7c33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4651e4259b0f42bee3e7980dbab8758dc8abed27ed4497bc7de0548c47b7c33", kill_on_drop: false }`
[INFO] [stdout] b4651e4259b0f42bee3e7980dbab8758dc8abed27ed4497bc7de0548c47b7c33
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1655ce2b5e9253bf14da48e1e5ae6f33bb3bc8077d3b4ddd62d9856d5fe9f859
[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" "1655ce2b5e9253bf14da48e1e5ae6f33bb3bc8077d3b4ddd62d9856d5fe9f859", kill_on_drop: false }`
[INFO] [stderr]    Compiling mcrw v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "1655ce2b5e9253bf14da48e1e5ae6f33bb3bc8077d3b4ddd62d9856d5fe9f859", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1655ce2b5e9253bf14da48e1e5ae6f33bb3bc8077d3b4ddd62d9856d5fe9f859", kill_on_drop: false }`
[INFO] [stdout] 1655ce2b5e9253bf14da48e1e5ae6f33bb3bc8077d3b4ddd62d9856d5fe9f859
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fa3079f742ce86b136569de0a0ab6f3de2a7517297b5bfb8be68f95277a9582
[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" "5fa3079f742ce86b136569de0a0ab6f3de2a7517297b5bfb8be68f95277a9582", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling quickcheck v1.0.3
[INFO] [stderr]    Compiling quickcheck_macros v1.0.0
[INFO] [stderr]    Compiling mcrw v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 40.66s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/mcrw-cccab380380a040d)
[INFO] [stderr]   Executable tests/read_tests.rs (/opt/rustwide/target/debug/deps/read_tests-cee61e0c8e3d23d7)
[INFO] [stderr]   Executable tests/roundtrip_tests.rs (/opt/rustwide/target/debug/deps/roundtrip_tests-3f817f8ce78c5fc6)
[INFO] [stderr]   Executable tests/var_size_tests.rs (/opt/rustwide/target/debug/deps/var_size_tests-2592f9869224c782)
[INFO] [stderr]   Executable tests/write_tests.rs (/opt/rustwide/target/debug/deps/write_tests-7bd5a1f69abc535e)
[INFO] running `Command { std: "docker" "inspect" "5fa3079f742ce86b136569de0a0ab6f3de2a7517297b5bfb8be68f95277a9582", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fa3079f742ce86b136569de0a0ab6f3de2a7517297b5bfb8be68f95277a9582", kill_on_drop: false }`
[INFO] [stdout] 5fa3079f742ce86b136569de0a0ab6f3de2a7517297b5bfb8be68f95277a9582
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", 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] ec9379520642178b4e35a498f1a6116aabae7f5a499fd577734ec4b641595bbe
[INFO] running `Command { std: "docker" "start" "-a" "ec9379520642178b4e35a498f1a6116aabae7f5a499fd577734ec4b641595bbe", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mcrw-cccab380380a040d)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/read_tests.rs (/opt/rustwide/target/debug/deps/read_tests-cee61e0c8e3d23d7)
[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] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test read_var_int5 ... ok
[INFO] [stdout] test read_var_int6 ... ok
[INFO] [stdout] test read_var_int7 ... ok
[INFO] [stdout] test read_var_int8 ... ok
[INFO] [stdout] test read_var_int4 ... ok
[INFO] [stdout] test read_var_long0 ... ok
[INFO] [stdout] test read_var_long1 ... ok
[INFO] [stdout] test read_var_long10 ... ok
[INFO] [stdout] test read_var_int3 ... ok
[INFO] [stdout] test read_var_long2 ... ok
[INFO] [stdout] test read_var_int2 ... ok
[INFO] [stdout] test read_var_int1 ... ok
[INFO] [stdout] test read_var_long3 ... ok
[INFO] [stdout] test read_var_long4 ... ok
[INFO] [stdout] test read_var_long5 ... ok
[INFO] [stdout] test read_var_long6 ... ok
[INFO] [stdout] test read_var_long7 ... ok
[INFO] [stdout] test read_var_long8 ... ok
[INFO] [stdout] test read_var_long9 ... ok
[INFO] [stdout] test read_var_int0 ... ok
[INFO] [stdout] test read_bool_false ... ok
[INFO] [stdout] test read_bool_invalid ... ok
[INFO] [stdout] test read_bool_true ... ok
[INFO] [stderr]      Running tests/roundtrip_tests.rs (/opt/rustwide/target/debug/deps/roundtrip_tests-3f817f8ce78c5fc6)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test write_position_min ... ok
[INFO] [stdout] test write_position_negative ... ok
[INFO] [stdout] test write_position_roundtrip ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/var_size_tests.rs (/opt/rustwide/target/debug/deps/var_size_tests-2592f9869224c782)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test var_long_size5 ... ok
[INFO] [stdout] test var_long_size3 ... ok
[INFO] [stdout] test var_long_size2 ... ok
[INFO] [stdout] test var_long_size10 ... ok
[INFO] [stdout] test var_long_size1 ... ok
[INFO] [stdout] test var_int_size5 ... ok
[INFO] [stdout] test var_long_size6 ... ok
[INFO] [stdout] test var_long_size8 ... ok
[INFO] [stdout] test var_long_size9 ... ok
[INFO] [stdout] test var_int_size4 ... ok
[INFO] [stdout] test var_int_size8 ... ok
[INFO] [stdout] test var_int_size1 ... ok
[INFO] [stdout] test var_long_size0 ... ok
[INFO] [stdout] test var_long_size4 ... ok
[INFO] [stdout] test var_int_size0 ... ok
[INFO] [stdout] test var_int_size2 ... ok
[INFO] [stdout] test var_int_size3 ... ok
[INFO] [stdout] test var_long_size7 ... ok
[INFO] [stdout] test var_int_size6 ... ok
[INFO] [stdout] test var_int_size7 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stderr]      Running tests/write_tests.rs (/opt/rustwide/target/debug/deps/write_tests-7bd5a1f69abc535e)
[INFO] [stdout] test write_var_int6 ... ok
[INFO] [stdout] test write_var_int3 ... ok
[INFO] [stdout] test write_var_long10 ... ok
[INFO] [stdout] test write_var_long2 ... ok
[INFO] [stdout] test write_var_int2 ... ok
[INFO] [stdout] test write_var_long4 ... ok
[INFO] [stdout] test write_var_int5 ... ok
[INFO] [stdout] test write_var_int7 ... ok
[INFO] [stdout] test write_bool_false ... ok
[INFO] [stdout] test write_var_long5 ... ok
[INFO] [stdout] test write_var_int8 ... ok
[INFO] [stdout] test write_var_long6 ... ok
[INFO] [stdout] test write_var_long0 ... ok
[INFO] [stdout] test write_var_long9 ... ok
[INFO] [stdout] test write_var_int4 ... ok
[INFO] [stdout] test write_var_int1 ... ok
[INFO] [stdout] test write_var_long8 ... ok
[INFO] [stdout] test write_var_long1 ... ok
[INFO] [stdout] test write_var_long7 ... ok
[INFO] [stdout] test write_var_int0 ... ok
[INFO] [stdout] test write_bool_true ... ok
[INFO] [stdout] test write_var_long3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mcrw
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - MCWriteExt (line 151) ... ok
[INFO] [stdout] test src/lib.rs - MCReadExt (line 43) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.15s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ec9379520642178b4e35a498f1a6116aabae7f5a499fd577734ec4b641595bbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec9379520642178b4e35a498f1a6116aabae7f5a499fd577734ec4b641595bbe", kill_on_drop: false }`
[INFO] [stdout] ec9379520642178b4e35a498f1a6116aabae7f5a499fd577734ec4b641595bbe