[INFO] fetching crate tempo_tapper 0.5.5...
[INFO] testing tempo_tapper-0.5.5 against 1.91.0 for beta-1.92-2
[INFO] extracting crate tempo_tapper 0.5.5 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate tempo_tapper 0.5.5
[INFO] finished tweaking crates.io crate tempo_tapper 0.5.5
[INFO] tweaked toml for crates.io crate tempo_tapper 0.5.5 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tempo_tapper 0.5.5 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tempo_tapper 0.5.5 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" "+1.91.0" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4aa4e7d1d465ae8afc7d5581fb09d6a57c993a78751352db717c0254fe1ce6b
[INFO] running `Command { std: "docker" "start" "-a" "d4aa4e7d1d465ae8afc7d5581fb09d6a57c993a78751352db717c0254fe1ce6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4aa4e7d1d465ae8afc7d5581fb09d6a57c993a78751352db717c0254fe1ce6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4aa4e7d1d465ae8afc7d5581fb09d6a57c993a78751352db717c0254fe1ce6b", kill_on_drop: false }`
[INFO] [stdout] d4aa4e7d1d465ae8afc7d5581fb09d6a57c993a78751352db717c0254fe1ce6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de238a40bbcc2008865ee4c00084635de78444658af9c9d0edafabfc1a9f1bba
[INFO] running `Command { std: "docker" "start" "-a" "de238a40bbcc2008865ee4c00084635de78444658af9c9d0edafabfc1a9f1bba", kill_on_drop: false }`
[INFO] [stderr]    Compiling tempo_tapper v0.5.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "de238a40bbcc2008865ee4c00084635de78444658af9c9d0edafabfc1a9f1bba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de238a40bbcc2008865ee4c00084635de78444658af9c9d0edafabfc1a9f1bba", kill_on_drop: false }`
[INFO] [stdout] de238a40bbcc2008865ee4c00084635de78444658af9c9d0edafabfc1a9f1bba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7044202f414d92e589a1763d181ff0f576032a7ae41e1f813adc713612ac605
[INFO] running `Command { std: "docker" "start" "-a" "b7044202f414d92e589a1763d181ff0f576032a7ae41e1f813adc713612ac605", kill_on_drop: false }`
[INFO] [stderr]    Compiling tempo_tapper v0.5.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "b7044202f414d92e589a1763d181ff0f576032a7ae41e1f813adc713612ac605", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7044202f414d92e589a1763d181ff0f576032a7ae41e1f813adc713612ac605", kill_on_drop: false }`
[INFO] [stdout] b7044202f414d92e589a1763d181ff0f576032a7ae41e1f813adc713612ac605
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d6c4187f9cbea391945dcea706e0dc2ffd7601a342d8de2e158841549ba97db1
[INFO] running `Command { std: "docker" "start" "-a" "d6c4187f9cbea391945dcea706e0dc2ffd7601a342d8de2e158841549ba97db1", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tempo-53043c83294fe8f8)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::ringbuf::clear ... ok
[INFO] [stdout] test tests::ringbuf::double_ended_iter ... ok
[INFO] [stdout] test tests::ringbuf::from_iter ... ok
[INFO] [stdout] test tests::ringbuf::double_ended_iter_overflow ... ok
[INFO] [stdout] test tests::ringbuf::push_pop ... ok
[INFO] [stdout] test tests::ringbuf::truncate_back ... ok
[INFO] [stdout] test tests::ringbuf::truncate_front ... ok
[INFO] [stdout] test tests::ringbuf::push_clobber ... ok
[INFO] [stdout] test tests::ringbuf::from_iter_excess - should panic ... ok
[INFO] [stdout] test tests::ringbuf::overflow ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d6c4187f9cbea391945dcea706e0dc2ffd7601a342d8de2e158841549ba97db1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6c4187f9cbea391945dcea706e0dc2ffd7601a342d8de2e158841549ba97db1", kill_on_drop: false }`
[INFO] [stdout] d6c4187f9cbea391945dcea706e0dc2ffd7601a342d8de2e158841549ba97db1