[INFO] fetching crate sringbuf 0.1.2...
[INFO] testing sringbuf-0.1.2 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate sringbuf 0.1.2 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate sringbuf 0.1.2
[INFO] finished tweaking crates.io crate sringbuf 0.1.2
[INFO] tweaked toml for crates.io crate sringbuf 0.1.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sringbuf 0.1.2 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sringbuf 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 467f19f6a30439b820142130590834ba7d6f3ab2a63fb529a876d5fb33d7556a
[INFO] running `Command { std: "docker" "start" "-a" "467f19f6a30439b820142130590834ba7d6f3ab2a63fb529a876d5fb33d7556a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "467f19f6a30439b820142130590834ba7d6f3ab2a63fb529a876d5fb33d7556a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "467f19f6a30439b820142130590834ba7d6f3ab2a63fb529a876d5fb33d7556a", kill_on_drop: false }`
[INFO] [stdout] 467f19f6a30439b820142130590834ba7d6f3ab2a63fb529a876d5fb33d7556a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14b722d8d5aa3e0820aaa4cfdfbf434955dcfe7dfaef5b82028707e880774923
[INFO] running `Command { std: "docker" "start" "-a" "14b722d8d5aa3e0820aaa4cfdfbf434955dcfe7dfaef5b82028707e880774923", kill_on_drop: false }`
[INFO] [stderr]    Compiling sringbuf v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "14b722d8d5aa3e0820aaa4cfdfbf434955dcfe7dfaef5b82028707e880774923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14b722d8d5aa3e0820aaa4cfdfbf434955dcfe7dfaef5b82028707e880774923", kill_on_drop: false }`
[INFO] [stdout] 14b722d8d5aa3e0820aaa4cfdfbf434955dcfe7dfaef5b82028707e880774923
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0db4ad04e00f52fb453c391067891ed854a3da107cb0de70a5858df3f019606
[INFO] running `Command { std: "docker" "start" "-a" "a0db4ad04e00f52fb453c391067891ed854a3da107cb0de70a5858df3f019606", kill_on_drop: false }`
[INFO] [stderr]    Compiling sringbuf v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `read_wrap_around` is never used
[INFO] [stdout]    --> src/lib.rs:159:8
[INFO] [stdout]     |
[INFO] [stdout] 159 |     fn read_wrap_around() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "a0db4ad04e00f52fb453c391067891ed854a3da107cb0de70a5858df3f019606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0db4ad04e00f52fb453c391067891ed854a3da107cb0de70a5858df3f019606", kill_on_drop: false }`
[INFO] [stdout] a0db4ad04e00f52fb453c391067891ed854a3da107cb0de70a5858df3f019606
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7cd65698c074b1cd5b6fe040c91cf73f3ece0f55c18abe50e856c12e185407fc
[INFO] running `Command { std: "docker" "start" "-a" "7cd65698c074b1cd5b6fe040c91cf73f3ece0f55c18abe50e856c12e185407fc", kill_on_drop: false }`
[INFO] [stderr] warning: function `read_wrap_around` is never used
[INFO] [stderr]    --> src/lib.rs:159:8
[INFO] [stderr]     |
[INFO] [stderr] 159 |     fn read_wrap_around() {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `sringbuf` (lib test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sringbuf-3771afd01088ae15)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::new_valid_inputs ... ok
[INFO] [stdout] test tests::read_first ... ok
[INFO] [stdout] test tests::read_empty ... ok
[INFO] [stdout] test tests::write_valid_inputs_first ... ok
[INFO] [stdout] test tests::write_wrap_around ... ok
[INFO] [stdout] test tests::new_invalid_input - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sringbuf
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - RingBuffer<T,N>::write (line 39) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T,N>::read (line 58) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T,N>::new (line 19) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.32s; merged doctests compilation took 0.32s
[INFO] running `Command { std: "docker" "inspect" "7cd65698c074b1cd5b6fe040c91cf73f3ece0f55c18abe50e856c12e185407fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cd65698c074b1cd5b6fe040c91cf73f3ece0f55c18abe50e856c12e185407fc", kill_on_drop: false }`
[INFO] [stdout] 7cd65698c074b1cd5b6fe040c91cf73f3ece0f55c18abe50e856c12e185407fc