[INFO] crate byte-sequence 0.2.2 is already in cache
[INFO] testing byte-sequence-0.2.2 against 1.44.0 for beta-1.45-1
[INFO] extracting crate byte-sequence 0.2.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate byte-sequence 0.2.2 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate byte-sequence 0.2.2
[INFO] finished tweaking crates.io crate byte-sequence 0.2.2
[INFO] tweaked toml for crates.io crate byte-sequence 0.2.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1445fee28022674a54a74246ed19487cb00444819ffbf0d199b6fb5213a8d699
[INFO] running `"docker" "start" "-a" "1445fee28022674a54a74246ed19487cb00444819ffbf0d199b6fb5213a8d699"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling gimli v0.21.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling object v0.19.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling addr2line v0.12.1
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling backtrace v0.3.48
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling byte-sequence v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.72s
[INFO] running `"docker" "inspect" "1445fee28022674a54a74246ed19487cb00444819ffbf0d199b6fb5213a8d699"`
[INFO] running `"docker" "rm" "-f" "1445fee28022674a54a74246ed19487cb00444819ffbf0d199b6fb5213a8d699"`
[INFO] [stdout] 1445fee28022674a54a74246ed19487cb00444819ffbf0d199b6fb5213a8d699
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6f1a43ce7d5a72c9ef185a80aa6f8f97cfc74fac504410d437ae3421035c1ada
[INFO] running `"docker" "start" "-a" "6f1a43ce7d5a72c9ef185a80aa6f8f97cfc74fac504410d437ae3421035c1ada"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling byte-sequence v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stderr]    --> src/lib.rs:147:17
[INFO] [stderr]     |
[INFO] [stderr] 147 |     use serde::{Deserialize, Deserializer, Serialize, Serializer};
[INFO] [stderr]     |                 ^^^^^^^^^^^                ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Deserializer`
[INFO] [stderr]    --> src/lib.rs:147:30
[INFO] [stderr]     |
[INFO] [stderr] 147 |     use serde::{Deserialize, Deserializer, Serialize, Serializer};
[INFO] [stderr]     |                              ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Serializer`
[INFO] [stderr]    --> src/lib.rs:147:55
[INFO] [stderr]     |
[INFO] [stderr] 147 |     use serde::{Deserialize, Deserializer, Serialize, Serializer};
[INFO] [stderr]     |                                                       ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `"docker" "inspect" "6f1a43ce7d5a72c9ef185a80aa6f8f97cfc74fac504410d437ae3421035c1ada"`
[INFO] running `"docker" "rm" "-f" "6f1a43ce7d5a72c9ef185a80aa6f8f97cfc74fac504410d437ae3421035c1ada"`
[INFO] [stdout] 6f1a43ce7d5a72c9ef185a80aa6f8f97cfc74fac504410d437ae3421035c1ada
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 19f1cdc8eca63a9624a10f995ceaddcf8f6518701dd0d9ec1cfc6eaefb74c1ae
[INFO] running `"docker" "start" "-a" "19f1cdc8eca63a9624a10f995ceaddcf8f6518701dd0d9ec1cfc6eaefb74c1ae"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stderr]    --> src/lib.rs:147:17
[INFO] [stderr]     |
[INFO] [stderr] 147 |     use serde::{Deserialize, Deserializer, Serialize, Serializer};
[INFO] [stderr]     |                 ^^^^^^^^^^^                ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Deserializer`
[INFO] [stderr]    --> src/lib.rs:147:30
[INFO] [stderr]     |
[INFO] [stderr] 147 |     use serde::{Deserialize, Deserializer, Serialize, Serializer};
[INFO] [stderr]     |                              ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Serializer`
[INFO] [stderr]    --> src/lib.rs:147:55
[INFO] [stderr]     |
[INFO] [stderr] 147 |     use serde::{Deserialize, Deserializer, Serialize, Serializer};
[INFO] [stderr]     |                                                       ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/byte_sequence-5ff457e5b2e90dac
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::example ... ok
[INFO] [stderr]    Doc-tests byte-sequence
[INFO] [stdout] test tests::serialize_deserialize ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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] running `"docker" "inspect" "19f1cdc8eca63a9624a10f995ceaddcf8f6518701dd0d9ec1cfc6eaefb74c1ae"`
[INFO] running `"docker" "rm" "-f" "19f1cdc8eca63a9624a10f995ceaddcf8f6518701dd0d9ec1cfc6eaefb74c1ae"`
[INFO] [stdout] 19f1cdc8eca63a9624a10f995ceaddcf8f6518701dd0d9ec1cfc6eaefb74c1ae