[INFO] cloning repository https://github.com/AndWass/ubip-buffer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AndWass/ubip-buffer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndWass%2Fubip-buffer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndWass%2Fubip-buffer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 20f553027747d69be671155ccb43b8aab6a17904
[INFO] testing AndWass/ubip-buffer against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndWass%2Fubip-buffer" "/workspace/builds/worker-23/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AndWass/ubip-buffer on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AndWass/ubip-buffer
[INFO] finished tweaking git repo https://github.com/AndWass/ubip-buffer
[INFO] tweaked toml for git repo https://github.com/AndWass/ubip-buffer written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate git repo https://github.com/AndWass/ubip-buffer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 900835f924d2a479ff68e06fa2979183d614dae1c42ad8a6bd8aa5c8925a5654
[INFO] running `Command { std: "docker" "start" "-a" "900835f924d2a479ff68e06fa2979183d614dae1c42ad8a6bd8aa5c8925a5654", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "900835f924d2a479ff68e06fa2979183d614dae1c42ad8a6bd8aa5c8925a5654", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "900835f924d2a479ff68e06fa2979183d614dae1c42ad8a6bd8aa5c8925a5654", kill_on_drop: false }`
[INFO] [stdout] 900835f924d2a479ff68e06fa2979183d614dae1c42ad8a6bd8aa5c8925a5654
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 428875834c3d905cbf56561bfaa5f2eb48a7645b66dcd649b198e09b1a404c32
[INFO] running `Command { std: "docker" "start" "-a" "428875834c3d905cbf56561bfaa5f2eb48a7645b66dcd649b198e09b1a404c32", kill_on_drop: false }`
[INFO] [stderr]    Compiling ubip_buffer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "428875834c3d905cbf56561bfaa5f2eb48a7645b66dcd649b198e09b1a404c32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "428875834c3d905cbf56561bfaa5f2eb48a7645b66dcd649b198e09b1a404c32", kill_on_drop: false }`
[INFO] [stdout] 428875834c3d905cbf56561bfaa5f2eb48a7645b66dcd649b198e09b1a404c32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4fdc6c29b797bd546ea9a25df8c636501152c7bfff57e47bdd3e89175f866e5
[INFO] running `Command { std: "docker" "start" "-a" "c4fdc6c29b797bd546ea9a25df8c636501152c7bfff57e47bdd3e89175f866e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling ubip_buffer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.02s
[INFO] running `Command { std: "docker" "inspect" "c4fdc6c29b797bd546ea9a25df8c636501152c7bfff57e47bdd3e89175f866e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4fdc6c29b797bd546ea9a25df8c636501152c7bfff57e47bdd3e89175f866e5", kill_on_drop: false }`
[INFO] [stdout] c4fdc6c29b797bd546ea9a25df8c636501152c7bfff57e47bdd3e89175f866e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f9bba9066a99078d1d8e16e95e27a28f3adf2e14697e3669332d3d4f943ffea7
[INFO] running `Command { std: "docker" "start" "-a" "f9bba9066a99078d1d8e16e95e27a28f3adf2e14697e3669332d3d4f943ffea7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ubip_buffer-7d9f44ee8118d268)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::cannot_prepare_more_than_once ... ok
[INFO] [stdout] test tests::discard_write_resets_writer ... ok
[INFO] [stdout] test tests::insert_watermark ... ok
[INFO] [stdout] test tests::prepare_max ... ok
[INFO] [stdout] test tests::prepare_wraps ... ok
[INFO] [stdout] test tests::single_produce_consume ... ok
[INFO] [stdout] test tests::single_produce_multi_consume ... ok
[INFO] [stdout] test tests::singleton_reader_writer ... ok
[INFO] [stdout] test tests::values_to_watermark_sets_read_to_0 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ubip_buffer
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - Storage (line 61) ... ok
[INFO] [stdout] test src/lib.rs - (line 19) ... ok
[INFO] [stdout] test src/lib.rs - BipBufferWriter<St>::discard (line 584) ... ok
[INFO] [stdout] test src/lib.rs - BipBufferReader (line 226) ... ok
[INFO] [stdout] test src/lib.rs - BipBufferWriter (line 343) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.74s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f9bba9066a99078d1d8e16e95e27a28f3adf2e14697e3669332d3d4f943ffea7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9bba9066a99078d1d8e16e95e27a28f3adf2e14697e3669332d3d4f943ffea7", kill_on_drop: false }`
[INFO] [stdout] f9bba9066a99078d1d8e16e95e27a28f3adf2e14697e3669332d3d4f943ffea7