[INFO] fetching crate rbuf 0.1.4...
[INFO] testing rbuf-0.1.4 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate rbuf 0.1.4 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate rbuf 0.1.4
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rbuf 0.1.4
[INFO] tweaked toml for crates.io crate rbuf 0.1.4 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rbuf 0.1.4 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 rbuf 0.1.4 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] e2017f2948173f7f576523b12fc69a6ee58927494cbe83e237b9f499637e1327
[INFO] running `Command { std: "docker" "start" "-a" "e2017f2948173f7f576523b12fc69a6ee58927494cbe83e237b9f499637e1327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2017f2948173f7f576523b12fc69a6ee58927494cbe83e237b9f499637e1327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2017f2948173f7f576523b12fc69a6ee58927494cbe83e237b9f499637e1327", kill_on_drop: false }`
[INFO] [stdout] e2017f2948173f7f576523b12fc69a6ee58927494cbe83e237b9f499637e1327
[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] bbb7a2d9cdc664b2c309dd881757e1be2859d2e40e1dadfe2302af4abf46aa22
[INFO] running `Command { std: "docker" "start" "-a" "bbb7a2d9cdc664b2c309dd881757e1be2859d2e40e1dadfe2302af4abf46aa22", kill_on_drop: false }`
[INFO] [stderr]    Compiling rbuf v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "bbb7a2d9cdc664b2c309dd881757e1be2859d2e40e1dadfe2302af4abf46aa22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbb7a2d9cdc664b2c309dd881757e1be2859d2e40e1dadfe2302af4abf46aa22", kill_on_drop: false }`
[INFO] [stdout] bbb7a2d9cdc664b2c309dd881757e1be2859d2e40e1dadfe2302af4abf46aa22
[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] 089dae99045aa00b5bafe871f62e4c958dadb0e5b92c76a13df9f33c6344fd30
[INFO] running `Command { std: "docker" "start" "-a" "089dae99045aa00b5bafe871f62e4c958dadb0e5b92c76a13df9f33c6344fd30", kill_on_drop: false }`
[INFO] [stderr]    Compiling rbuf v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "089dae99045aa00b5bafe871f62e4c958dadb0e5b92c76a13df9f33c6344fd30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "089dae99045aa00b5bafe871f62e4c958dadb0e5b92c76a13df9f33c6344fd30", kill_on_drop: false }`
[INFO] [stdout] 089dae99045aa00b5bafe871f62e4c958dadb0e5b92c76a13df9f33c6344fd30
[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] 378b2a1f993d0a6dcdfe53ac6e31eef361741cdafa5b5f91b871c4364fbd381c
[INFO] running `Command { std: "docker" "start" "-a" "378b2a1f993d0a6dcdfe53ac6e31eef361741cdafa5b5f91b871c4364fbd381c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rbuf-452277fd01538c57)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-ee1ad12b32cbc29f)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test buf_index ... ok
[INFO] [stdout] test front_back ... ok
[INFO] [stdout] test front_back_mut ... ok
[INFO] [stdout] test iter_size_hint ... ok
[INFO] [stdout] test mutating_iter ... ok
[INFO] [stdout] test buf_len ... ok
[INFO] [stdout] test iter_next ... ok
[INFO] [stdout] test boxed_slice ... ok
[INFO] [stdout] test ring_buf_macro ... ok
[INFO] [stdout] test no_mutable_iterator_with_zst - should panic ... ok
[INFO] [stdout] test double_ended_iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rbuf
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "378b2a1f993d0a6dcdfe53ac6e31eef361741cdafa5b5f91b871c4364fbd381c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "378b2a1f993d0a6dcdfe53ac6e31eef361741cdafa5b5f91b871c4364fbd381c", kill_on_drop: false }`
[INFO] [stdout] 378b2a1f993d0a6dcdfe53ac6e31eef361741cdafa5b5f91b871c4364fbd381c