[INFO] updating cached repository https://github.com/RedBeardLab/circular-buffer-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b06c1947345fe237a95a46d68dd0aed1b221ccac
[INFO] testing RedBeardLab/circular-buffer-rs against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRedBeardLab%2Fcircular-buffer-rs" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RedBeardLab/circular-buffer-rs on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RedBeardLab/circular-buffer-rs
[INFO] finished tweaking git repo https://github.com/RedBeardLab/circular-buffer-rs
[INFO] tweaked toml for git repo https://github.com/RedBeardLab/circular-buffer-rs written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/RedBeardLab/circular-buffer-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-11/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 949139608a1143313aa338283044435077b1b6f3115004c039b5d5dee9f4ca14
[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" "949139608a1143313aa338283044435077b1b6f3115004c039b5d5dee9f4ca14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "949139608a1143313aa338283044435077b1b6f3115004c039b5d5dee9f4ca14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "949139608a1143313aa338283044435077b1b6f3115004c039b5d5dee9f4ca14", kill_on_drop: false }`
[INFO] [stdout] 949139608a1143313aa338283044435077b1b6f3115004c039b5d5dee9f4ca14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 8c6b48fd01971e85a62a6ee7adb53057f76a45edc99b1bca81403b7087735b4b
[INFO] running `Command { std: "docker" "start" "-a" "8c6b48fd01971e85a62a6ee7adb53057f76a45edc99b1bca81403b7087735b4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rbl_circular_buffer v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "8c6b48fd01971e85a62a6ee7adb53057f76a45edc99b1bca81403b7087735b4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c6b48fd01971e85a62a6ee7adb53057f76a45edc99b1bca81403b7087735b4b", kill_on_drop: false }`
[INFO] [stdout] 8c6b48fd01971e85a62a6ee7adb53057f76a45edc99b1bca81403b7087735b4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c1c0e23866053ac1f4cd4c799af0e83453b623022b43dde81ff462d46e39fa7
[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" "1c1c0e23866053ac1f4cd4c799af0e83453b623022b43dde81ff462d46e39fa7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling half v1.6.0
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling oorandom v11.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling clap v2.33.2
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling rusty-fork v0.2.2
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling proptest v0.9.6
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling rbl_circular_buffer v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 54.76s
[INFO] running `Command { std: "docker" "inspect" "1c1c0e23866053ac1f4cd4c799af0e83453b623022b43dde81ff462d46e39fa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c1c0e23866053ac1f4cd4c799af0e83453b623022b43dde81ff462d46e39fa7", kill_on_drop: false }`
[INFO] [stdout] 1c1c0e23866053ac1f4cd4c799af0e83453b623022b43dde81ff462d46e39fa7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d42e382ec5a60dfa191a5397ad795688c29d091f7fabc07928f7dec28c02b3cc
[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" "d42e382ec5a60dfa191a5397ad795688c29d091f7fabc07928f7dec28c02b3cc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rbl_circular_buffer-eadda4562ae83dfb
[INFO] [stdout] running 18 tests
[INFO] [stdout] test tests::adding_to_size_one_works ... ok
[INFO] [stdout] test tests::copy_works_as_expected ... ok
[INFO] [stdout] test tests::empty_buffer_has_len_zero ... ok
[INFO] [stdout] test tests::fast_fill_test1 ... ok
[INFO] [stdout] test tests::insert_one_element_and_removing_it ... ok
[INFO] [stdout] test tests::insert_one_element_return_len_minus_one ... ok
[INFO] [stdout] test tests::fast_fill_test2 ... ok
[INFO] [stdout] test tests::size_2_adding_3_remove_2_add_1_remove_0 ... ok
[INFO] [stdout] test tests::removing_more_element_than_capacity ... ok
[INFO] [stdout] test tests::try_to_fill_on_full_vector ... ok
[INFO] [stdout] test tests::test_clone ... ok
[INFO] [stdout] test tests::insert_too_many_elements_will_return_zero_empty_spots ... ok
[INFO] [stdout] test tests::size_2_adding_to_size_2 ... ok
[INFO] [stdout] test tests::test_display ... ok
[INFO] [stdout] test tests::the_len_of_the_buffer_is_always_between_0_and_the_max_requested ... ok
[INFO] [stdout] test tests::keep_track_of_values ... ok
[INFO] [stdout] test tests::keep_track_of_len ... ok
[INFO] [stdout] test tests::fast_fill_vs_fill ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rbl_circular_buffer
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 44) ... ok
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] test src/lib.rs - (line 69) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d42e382ec5a60dfa191a5397ad795688c29d091f7fabc07928f7dec28c02b3cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d42e382ec5a60dfa191a5397ad795688c29d091f7fabc07928f7dec28c02b3cc", kill_on_drop: false }`
[INFO] [stdout] d42e382ec5a60dfa191a5397ad795688c29d091f7fabc07928f7dec28c02b3cc