[INFO] fetching crate integer-encoding 2.0.1...
[INFO] testing integer-encoding-2.0.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate integer-encoding 2.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate integer-encoding 2.0.1 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 integer-encoding 2.0.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate integer-encoding 2.0.1
[INFO] tweaked toml for crates.io crate integer-encoding 2.0.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate integer-encoding 2.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 13030537a84ccd9aa1257a8ad7fff3ab903603f0abfc9ec7ef01ee83f7291c05
[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" "13030537a84ccd9aa1257a8ad7fff3ab903603f0abfc9ec7ef01ee83f7291c05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13030537a84ccd9aa1257a8ad7fff3ab903603f0abfc9ec7ef01ee83f7291c05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13030537a84ccd9aa1257a8ad7fff3ab903603f0abfc9ec7ef01ee83f7291c05", kill_on_drop: false }`
[INFO] [stdout] 13030537a84ccd9aa1257a8ad7fff3ab903603f0abfc9ec7ef01ee83f7291c05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 1bff2f5fc8b286c963bd085aea2a7cc525104dde8a66d7c04491bb152aba01bc
[INFO] running `Command { std: "docker" "start" "-a" "1bff2f5fc8b286c963bd085aea2a7cc525104dde8a66d7c04491bb152aba01bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling integer-encoding v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "1bff2f5fc8b286c963bd085aea2a7cc525104dde8a66d7c04491bb152aba01bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bff2f5fc8b286c963bd085aea2a7cc525104dde8a66d7c04491bb152aba01bc", kill_on_drop: false }`
[INFO] [stdout] 1bff2f5fc8b286c963bd085aea2a7cc525104dde8a66d7c04491bb152aba01bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] bc67881c15b385ed5bc7bd5214741c1645a55386781fe4610ebac0974d031c48
[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" "bc67881c15b385ed5bc7bd5214741c1645a55386781fe4610ebac0974d031c48", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling syn v1.0.46
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling integer-encoding v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 23.90s
[INFO] running `Command { std: "docker" "inspect" "bc67881c15b385ed5bc7bd5214741c1645a55386781fe4610ebac0974d031c48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc67881c15b385ed5bc7bd5214741c1645a55386781fe4610ebac0974d031c48", kill_on_drop: false }`
[INFO] [stdout] bc67881c15b385ed5bc7bd5214741c1645a55386781fe4610ebac0974d031c48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1f85f19fc72ce0db10cb51436258ce4573cd3967653fc1028b8b5f7bf2dbb084
[INFO] running `Command { std: "docker" "start" "-a" "1f85f19fc72ce0db10cb51436258ce4573cd3967653fc1028b8b5f7bf2dbb084", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/integer_encoding-030880c5565b33e6
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test fixed_tests::tests::test_all_identity ... ok
[INFO] [stdout] test fixed_tests::tests::test_i16_enc ... ok
[INFO] [stdout] test fixed_tests::tests::test_i32_enc_light ... ok
[INFO] [stdout] test varint_tests::tests::test_decode_max_i64 ... ok
[INFO] [stdout] test varint_tests::tests::test_encode_u64 ... ok
[INFO] [stdout] test varint_tests::tests::test_reader_writer ... ok
[INFO] [stdout] test varint_tests::tests::test_required_space ... ok
[INFO] [stdout] test fixed_tests::tests::test_u16_enc ... ok
[INFO] [stdout] test fixed_tests::tests::test_invalid_decode_size ... ok
[INFO] [stdout] test fixed_tests::tests::test_u32_enc ... ok
[INFO] [stdout] test varint_tests::tests::test_unterminated_varint ... ok
[INFO] [stdout] test varint_tests::tests::test_unterminated_varint_2 ... ok
[INFO] [stdout] test fixed_tests::tests::test_i32_enc ... ok
[INFO] [stdout] test varint_tests::tests::test_decode_extra_bytes_i64 ... ok
[INFO] [stdout] test fixed_tests::tests::test_invalid_encode_size ... ok
[INFO] [stdout] test fixed_tests::tests::test_reader_writer ... ok
[INFO] [stdout] test varint_tests::tests::test_identity_u64 ... ok
[INFO] [stdout] test varint_tests::tests::test_encode_i16 ... ok
[INFO] [stdout] test varint_tests::tests::test_encode_i64 ... ok
[INFO] [stdout] test varint_tests::tests::test_decode_max_u64 ... ok
[INFO] [stdout] test varint_tests::tests::test_decode_min_i64 ... ok
[INFO] [stdout] test varint_tests::tests::test_decode_extra_bytes_u64 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests integer-encoding
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1f85f19fc72ce0db10cb51436258ce4573cd3967653fc1028b8b5f7bf2dbb084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f85f19fc72ce0db10cb51436258ce4573cd3967653fc1028b8b5f7bf2dbb084", kill_on_drop: false }`
[INFO] [stdout] 1f85f19fc72ce0db10cb51436258ce4573cd3967653fc1028b8b5f7bf2dbb084