[INFO] fetching crate lber 0.3.0...
[INFO] testing lber-0.3.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate lber 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate lber 0.3.0 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 lber 0.3.0
[INFO] finished tweaking crates.io crate lber 0.3.0
[INFO] tweaked toml for crates.io crate lber 0.3.0 written to /workspace/builds/worker-4/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] [stderr]     Blocking waiting for file lock on package cache
[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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 0edd5faa68ef446e6b12e668a066c118b28bce43d3813706d4ebe7158b13e28f
[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" "0edd5faa68ef446e6b12e668a066c118b28bce43d3813706d4ebe7158b13e28f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0edd5faa68ef446e6b12e668a066c118b28bce43d3813706d4ebe7158b13e28f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0edd5faa68ef446e6b12e668a066c118b28bce43d3813706d4ebe7158b13e28f", kill_on_drop: false }`
[INFO] [stdout] 0edd5faa68ef446e6b12e668a066c118b28bce43d3813706d4ebe7158b13e28f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 5f4e3e6c842247ac05f3aafe1ba80ef5d0e4772e62df7992e6e88e3f45485cba
[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" "5f4e3e6c842247ac05f3aafe1ba80ef5d0e4772e62df7992e6e88e3f45485cba", kill_on_drop: false }`
[INFO] [stderr]    Compiling lber v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `Command { std: "docker" "inspect" "5f4e3e6c842247ac05f3aafe1ba80ef5d0e4772e62df7992e6e88e3f45485cba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f4e3e6c842247ac05f3aafe1ba80ef5d0e4772e62df7992e6e88e3f45485cba", kill_on_drop: false }`
[INFO] [stdout] 5f4e3e6c842247ac05f3aafe1ba80ef5d0e4772e62df7992e6e88e3f45485cba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bb7ed8d18cc32a5a1a72cda18fd937c8af790f2240783cab9a71821a57ec998a
[INFO] running `Command { std: "docker" "start" "-a" "bb7ed8d18cc32a5a1a72cda18fd937c8af790f2240783cab9a71821a57ec998a", kill_on_drop: false }`
[INFO] [stderr]    Compiling lber v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `TagStructure`
[INFO] [stdout]    --> src/parse.rs:154:28
[INFO] [stdout]     |
[INFO] [stdout] 154 |     use common::{TagClass, TagStructure};
[INFO] [stdout]     |                            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TagStructure`
[INFO] [stdout]   --> src/structure.rs:55:28
[INFO] [stdout]    |
[INFO] [stdout] 55 |     use common::{TagClass, TagStructure};
[INFO] [stdout]    |                            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `Command { std: "docker" "inspect" "bb7ed8d18cc32a5a1a72cda18fd937c8af790f2240783cab9a71821a57ec998a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb7ed8d18cc32a5a1a72cda18fd937c8af790f2240783cab9a71821a57ec998a", kill_on_drop: false }`
[INFO] [stdout] bb7ed8d18cc32a5a1a72cda18fd937c8af790f2240783cab9a71821a57ec998a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 18527ceb2395b62931ab160d954cab45a894ff91fbe6e66c3c48c640ffa9f883
[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" "18527ceb2395b62931ab160d954cab45a894ff91fbe6e66c3c48c640ffa9f883", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `TagStructure`
[INFO] [stdout] running 10 tests
[INFO] [stderr]    --> src/parse.rs:154:28
[INFO] [stdout] test structures::integer::test::test_not_positive_getting_negative ... ok
[INFO] [stderr]     |
[INFO] [stdout] test write::tests::complex_tag ... ok
[INFO] [stderr] 154 |     use common::{TagClass, TagStructure};
[INFO] [stdout] test write::tests::encode_constructed_tag ... ok
[INFO] [stderr]     |                            ^^^^^^^^^^^^
[INFO] [stdout] test write::tests::encode_simple_tag ... ok
[INFO] [stderr]     |
[INFO] [stdout] test structures::integer::test::test_not_unnecessary_octets ... ok
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] test structure::tests::expect_inner ... ok
[INFO] [stderr] 
[INFO] [stdout] test structure::tests::expect_exact ... ok
[INFO] [stderr] warning: unused import: `TagStructure`
[INFO] [stdout] test parse::test::test_primitive ... ok
[INFO] [stderr]   --> src/structure.rs:55:28
[INFO] [stdout] test parse::test::test_long_length ... ok
[INFO] [stderr]    |
[INFO] [stdout] test parse::test::test_constructed ... ok
[INFO] [stderr] 55 |     use common::{TagClass, TagStructure};
[INFO] [stdout] 
[INFO] [stderr]    |                            ^^^^^^^^^^^^
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lber-4c75fdc6d6d30dfb
[INFO] [stderr]    Doc-tests lber
[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 `Command { std: "docker" "inspect" "18527ceb2395b62931ab160d954cab45a894ff91fbe6e66c3c48c640ffa9f883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18527ceb2395b62931ab160d954cab45a894ff91fbe6e66c3c48c640ffa9f883", kill_on_drop: false }`
[INFO] [stdout] 18527ceb2395b62931ab160d954cab45a894ff91fbe6e66c3c48c640ffa9f883