[INFO] fetching crate circ_buffer 0.1.9...
[INFO] testing circ_buffer-0.1.9 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate circ_buffer 0.1.9 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate circ_buffer 0.1.9
[INFO] finished tweaking crates.io crate circ_buffer 0.1.9
[INFO] tweaked toml for crates.io crate circ_buffer 0.1.9 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate circ_buffer 0.1.9 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 circ_buffer 0.1.9 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] de6bdeb3a866b1fe1db54dfc8c11b23b99936171c899660ceb20039fd81de19c
[INFO] running `Command { std: "docker" "start" "-a" "de6bdeb3a866b1fe1db54dfc8c11b23b99936171c899660ceb20039fd81de19c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de6bdeb3a866b1fe1db54dfc8c11b23b99936171c899660ceb20039fd81de19c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de6bdeb3a866b1fe1db54dfc8c11b23b99936171c899660ceb20039fd81de19c", kill_on_drop: false }`
[INFO] [stdout] de6bdeb3a866b1fe1db54dfc8c11b23b99936171c899660ceb20039fd81de19c
[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] 950b2f35f473e85d08ee683426e44013be1b918033a3fc39f0f708ff32951926
[INFO] running `Command { std: "docker" "start" "-a" "950b2f35f473e85d08ee683426e44013be1b918033a3fc39f0f708ff32951926", kill_on_drop: false }`
[INFO] [stderr]    Compiling circ_buffer v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "950b2f35f473e85d08ee683426e44013be1b918033a3fc39f0f708ff32951926", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "950b2f35f473e85d08ee683426e44013be1b918033a3fc39f0f708ff32951926", kill_on_drop: false }`
[INFO] [stdout] 950b2f35f473e85d08ee683426e44013be1b918033a3fc39f0f708ff32951926
[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] 56548ca6317cf5f709980841ba5caaf68e2c1bb8773ba380153c8dd0293faa7e
[INFO] running `Command { std: "docker" "start" "-a" "56548ca6317cf5f709980841ba5caaf68e2c1bb8773ba380153c8dd0293faa7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling serde_json v1.0.120
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.71
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]    Compiling circ_buffer v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 11.90s
[INFO] running `Command { std: "docker" "inspect" "56548ca6317cf5f709980841ba5caaf68e2c1bb8773ba380153c8dd0293faa7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56548ca6317cf5f709980841ba5caaf68e2c1bb8773ba380153c8dd0293faa7e", kill_on_drop: false }`
[INFO] [stdout] 56548ca6317cf5f709980841ba5caaf68e2c1bb8773ba380153c8dd0293faa7e
[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] a559050a7ddd3f32630c1ffeca61b089b214e7c1adc0294c1f73bc89e2738aeb
[INFO] running `Command { std: "docker" "start" "-a" "a559050a7ddd3f32630c1ffeca61b089b214e7c1adc0294c1f73bc89e2738aeb", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/circ_buffer-bb7bb76f519cdd02)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test test_circ_buffer::test_clone_full ... ok
[INFO] [stdout] test test_circ_buffer::test_len_empty ... ok
[INFO] [stdout] test test_circ_buffer::test_miri_iter_valid ... ok
[INFO] [stdout] test test_circ_buffer::test_clone_partial ... ok
[INFO] [stdout] test test_circ_buffer::test_miri_push_drop_valid ... ok
[INFO] [stdout] test test_circ_buffer::test_drop_valid ... ok
[INFO] [stdout] test test_circ_buffer::test_pushing_full ... ok
[INFO] [stdout] test test_circ_buffer::test_pushing_overflow ... ok
[INFO] [stderr]    Doc-tests circ_buffer
[INFO] [stdout] test test_circ_buffer::test_empty_circ_buffer ... 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 4 tests
[INFO] [stdout] test src/lib.rs - RingBuffer (line 40) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T,N>::push (line 227) ... ok
[INFO] [stdout] test src/lib.rs - RingBufferIter (line 69) ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a559050a7ddd3f32630c1ffeca61b089b214e7c1adc0294c1f73bc89e2738aeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a559050a7ddd3f32630c1ffeca61b089b214e7c1adc0294c1f73bc89e2738aeb", kill_on_drop: false }`
[INFO] [stdout] a559050a7ddd3f32630c1ffeca61b089b214e7c1adc0294c1f73bc89e2738aeb