[INFO] fetching crate mc-varint 0.1.1...
[INFO] testing mc-varint-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate mc-varint 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate mc-varint 0.1.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mc-varint 0.1.1
[INFO] finished tweaking crates.io crate mc-varint 0.1.1
[INFO] tweaked toml for crates.io crate mc-varint 0.1.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] a7db66bb5bb48ac964a271994adefd96b92c62ea7631722561a50abcb7964918
[INFO] running `Command { std: "docker" "start" "-a" "a7db66bb5bb48ac964a271994adefd96b92c62ea7631722561a50abcb7964918", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7db66bb5bb48ac964a271994adefd96b92c62ea7631722561a50abcb7964918", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7db66bb5bb48ac964a271994adefd96b92c62ea7631722561a50abcb7964918", kill_on_drop: false }`
[INFO] [stdout] a7db66bb5bb48ac964a271994adefd96b92c62ea7631722561a50abcb7964918
[INFO] running `Command { std: "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" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 2560b2be866bbb8c0566e24e10e86f0476688b7ff6bc48d2ed9d19b596589de3
[INFO] running `Command { std: "docker" "start" "-a" "2560b2be866bbb8c0566e24e10e86f0476688b7ff6bc48d2ed9d19b596589de3", kill_on_drop: false }`
[INFO] [stderr]    Compiling mc-varint v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "2560b2be866bbb8c0566e24e10e86f0476688b7ff6bc48d2ed9d19b596589de3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2560b2be866bbb8c0566e24e10e86f0476688b7ff6bc48d2ed9d19b596589de3", kill_on_drop: false }`
[INFO] [stdout] 2560b2be866bbb8c0566e24e10e86f0476688b7ff6bc48d2ed9d19b596589de3
[INFO] running `Command { std: "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" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb293f0b391c5b213496229ec5d2496ca578d1bf3a427dad6740e8d0c6156b00
[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" "cb293f0b391c5b213496229ec5d2496ca578d1bf3a427dad6740e8d0c6156b00", kill_on_drop: false }`
[INFO] [stderr]    Compiling mc-varint v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `Command { std: "docker" "inspect" "cb293f0b391c5b213496229ec5d2496ca578d1bf3a427dad6740e8d0c6156b00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb293f0b391c5b213496229ec5d2496ca578d1bf3a427dad6740e8d0c6156b00", kill_on_drop: false }`
[INFO] [stdout] cb293f0b391c5b213496229ec5d2496ca578d1bf3a427dad6740e8d0c6156b00
[INFO] running `Command { std: "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" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 68bc2de151a7fb00cf55945824329f0c0f9be597f3884605dd722cb783f6b41a
[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" "68bc2de151a7fb00cf55945824329f0c0f9be597f3884605dd722cb783f6b41a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mc_varint-59b36ce892af3513
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/var_int-f22f1ed07aec5fc1
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test var_int_read_exact ... ok
[INFO] [stdout] test var_int_read_oversize ... ok
[INFO] [stdout] test var_int_size ... ok
[INFO] [stdout] test var_int_beat_matching ... ok
[INFO] [stdout] test var_int_default ... ok
[INFO] [stdout] test var_int_read_err ... ok
[INFO] [stdout] test var_int_write_exact ... ok
[INFO] [stdout] test var_long_size ... ok
[INFO] [stdout] test var_long_beat_matching ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mc-varint
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - VarIntWrite (line 233) ... ok
[INFO] [stdout] test src/lib.rs - VarIntRead (line 233) ... ok
[INFO] [stdout] test src/lib.rs - VarLongWrite (line 235) ... ok
[INFO] [stdout] test src/lib.rs - VarLongRead (line 235) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "68bc2de151a7fb00cf55945824329f0c0f9be597f3884605dd722cb783f6b41a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68bc2de151a7fb00cf55945824329f0c0f9be597f3884605dd722cb783f6b41a", kill_on_drop: false }`
[INFO] [stdout] 68bc2de151a7fb00cf55945824329f0c0f9be597f3884605dd722cb783f6b41a