[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 try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndWass%2Fubip-buffer" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AndWass/ubip-buffer on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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-7/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", 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] c67d86fda5bf5778e830a29cb4e3c2c425a845ee9baf77359b8eccd733f22e51
[INFO] running `Command { std: "docker" "start" "-a" "c67d86fda5bf5778e830a29cb4e3c2c425a845ee9baf77359b8eccd733f22e51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c67d86fda5bf5778e830a29cb4e3c2c425a845ee9baf77359b8eccd733f22e51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c67d86fda5bf5778e830a29cb4e3c2c425a845ee9baf77359b8eccd733f22e51", kill_on_drop: false }`
[INFO] [stdout] c67d86fda5bf5778e830a29cb4e3c2c425a845ee9baf77359b8eccd733f22e51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb58be5e7014377248ccf44fca691fe643bbea84d511a0d8cd64ad4259b8c2bb
[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" "eb58be5e7014377248ccf44fca691fe643bbea84d511a0d8cd64ad4259b8c2bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling ubip_buffer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "eb58be5e7014377248ccf44fca691fe643bbea84d511a0d8cd64ad4259b8c2bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb58be5e7014377248ccf44fca691fe643bbea84d511a0d8cd64ad4259b8c2bb", kill_on_drop: false }`
[INFO] [stdout] eb58be5e7014377248ccf44fca691fe643bbea84d511a0d8cd64ad4259b8c2bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa4a5f727be91d8d3fb7c379f5f636c5cd215f137d9c40f3e91bb6ad1228a8d3
[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" "fa4a5f727be91d8d3fb7c379f5f636c5cd215f137d9c40f3e91bb6ad1228a8d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cfg-if v0.1.10
[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 6.85s
[INFO] running `Command { std: "docker" "inspect" "fa4a5f727be91d8d3fb7c379f5f636c5cd215f137d9c40f3e91bb6ad1228a8d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa4a5f727be91d8d3fb7c379f5f636c5cd215f137d9c40f3e91bb6ad1228a8d3", kill_on_drop: false }`
[INFO] [stdout] fa4a5f727be91d8d3fb7c379f5f636c5cd215f137d9c40f3e91bb6ad1228a8d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8d4c78ca2c86e6e487dba8eff94da4b2bfdd8e6934c33410dee8f76c2814d8f6
[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" "8d4c78ca2c86e6e487dba8eff94da4b2bfdd8e6934c33410dee8f76c2814d8f6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ubip_buffer-ec0856781192ce72)
[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::single_produce_multi_consume ... ok
[INFO] [stdout] test tests::values_to_watermark_sets_read_to_0 ... ok
[INFO] [stderr]    Doc-tests ubip_buffer
[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::singleton_reader_writer ... 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] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - BipBufferReader (line 226) ... ok
[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 (line 343) ... ok
[INFO] [stdout] test src/lib.rs - BipBufferWriter<St>::discard (line 584) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.59s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8d4c78ca2c86e6e487dba8eff94da4b2bfdd8e6934c33410dee8f76c2814d8f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d4c78ca2c86e6e487dba8eff94da4b2bfdd8e6934c33410dee8f76c2814d8f6", kill_on_drop: false }`
[INFO] [stdout] 8d4c78ca2c86e6e487dba8eff94da4b2bfdd8e6934c33410dee8f76c2814d8f6