[INFO] crate linebuffer 0.1.2 is already in cache
[INFO] testing linebuffer-0.1.2 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate linebuffer 0.1.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate linebuffer 0.1.2 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate linebuffer 0.1.2
[INFO] finished tweaking crates.io crate linebuffer 0.1.2
[INFO] tweaked toml for crates.io crate linebuffer 0.1.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+beta-2020-06-03" "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] 5d0ce1af797b0c08d3a92a00d3a5c45bac1a2f677a87963ef9df925623c54cb2
[INFO] running `"docker" "start" "-a" "5d0ce1af797b0c08d3a92a00d3a5c45bac1a2f677a87963ef9df925623c54cb2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling arraydeque v0.4.5
[INFO] [stderr]    Compiling linebuffer v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `"docker" "inspect" "5d0ce1af797b0c08d3a92a00d3a5c45bac1a2f677a87963ef9df925623c54cb2"`
[INFO] running `"docker" "rm" "-f" "5d0ce1af797b0c08d3a92a00d3a5c45bac1a2f677a87963ef9df925623c54cb2"`
[INFO] [stdout] 5d0ce1af797b0c08d3a92a00d3a5c45bac1a2f677a87963ef9df925623c54cb2
[INFO] running `"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" "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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stdout] 292ce0d26e52eb1dd16f9de0ae1fc956e1c57fb8609ea147612cc8d061c6cd43
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "292ce0d26e52eb1dd16f9de0ae1fc956e1c57fb8609ea147612cc8d061c6cd43"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling linebuffer v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::convert::TryInto`
[INFO] [stderr]  --> tests/perf_simple.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::convert::TryInto;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "292ce0d26e52eb1dd16f9de0ae1fc956e1c57fb8609ea147612cc8d061c6cd43"`
[INFO] running `"docker" "rm" "-f" "292ce0d26e52eb1dd16f9de0ae1fc956e1c57fb8609ea147612cc8d061c6cd43"`
[INFO] [stdout] 292ce0d26e52eb1dd16f9de0ae1fc956e1c57fb8609ea147612cc8d061c6cd43
[INFO] running `"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" "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" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stdout] 9d3c93cc803958f96ed9dbbf43a5dba7e8178589801b12d46938cc7afbe468e9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "9d3c93cc803958f96ed9dbbf43a5dba7e8178589801b12d46938cc7afbe468e9"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused import: `std::convert::TryInto`
[INFO] [stderr]  --> tests/perf_simple.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::convert::TryInto;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/linebuffer-b12b46eefb46dc6f
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::insert_elements_uneven_capacity ... ok
[INFO] [stdout] test tests::insert_empty ... ok
[INFO] [stdout] test tests::insert_overflow_index ... ok
[INFO] [stdout] test tests::iter_test_empty ... ok
[INFO] [stdout] test tests::iter_test_simple ... ok
[INFO] [stdout] test tests::insert_simple ... ok
[INFO] [stdout] test tests::insert_overflow_full ... ok
[INFO] [stdout] test tests::iter_test_wrap ... ok
[INFO] [stdout] test tests::insert_overflow_border ... ok
[INFO] [stdout] test tests::insert_elements_less_capacity ... ok
[INFO] [stdout] test tests::insert_elements_uneven_capacity_wrap ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/perf_simple-2f1ce6345c8994e7
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test perf_from_file ... ignored
[INFO] [stdout] test perf_lines ... ignored
[INFO] [stdout] test perf_simple ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests linebuffer
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9d3c93cc803958f96ed9dbbf43a5dba7e8178589801b12d46938cc7afbe468e9"`
[INFO] running `"docker" "rm" "-f" "9d3c93cc803958f96ed9dbbf43a5dba7e8178589801b12d46938cc7afbe468e9"`
[INFO] [stdout] 9d3c93cc803958f96ed9dbbf43a5dba7e8178589801b12d46938cc7afbe468e9