[INFO] fetching crate sequence_buffer 0.1.0...
[INFO] testing sequence_buffer-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate sequence_buffer 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate sequence_buffer 0.1.0
[INFO] finished tweaking crates.io crate sequence_buffer 0.1.0
[INFO] tweaked toml for crates.io crate sequence_buffer 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sequence_buffer 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1bdb9810f319d11a07b23b5fd1d57f1bda4796a0cf7de07b5a8a50b972667742
[INFO] running `Command { std: "docker" "start" "-a" "1bdb9810f319d11a07b23b5fd1d57f1bda4796a0cf7de07b5a8a50b972667742", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bdb9810f319d11a07b23b5fd1d57f1bda4796a0cf7de07b5a8a50b972667742", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bdb9810f319d11a07b23b5fd1d57f1bda4796a0cf7de07b5a8a50b972667742", kill_on_drop: false }`
[INFO] [stdout] 1bdb9810f319d11a07b23b5fd1d57f1bda4796a0cf7de07b5a8a50b972667742
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7830968048f63cbc3b8050b67a270c833a3f279f5decb395003ee7faf6f6422a
[INFO] running `Command { std: "docker" "start" "-a" "7830968048f63cbc3b8050b67a270c833a3f279f5decb395003ee7faf6f6422a", kill_on_drop: false }`
[INFO] [stderr]    Compiling sequence_buffer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "7830968048f63cbc3b8050b67a270c833a3f279f5decb395003ee7faf6f6422a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7830968048f63cbc3b8050b67a270c833a3f279f5decb395003ee7faf6f6422a", kill_on_drop: false }`
[INFO] [stdout] 7830968048f63cbc3b8050b67a270c833a3f279f5decb395003ee7faf6f6422a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1bd5bfeefe0c89f52949b8f733efe8e46d8e08576d1c6095cdc725a443becb4b
[INFO] running `Command { std: "docker" "start" "-a" "1bd5bfeefe0c89f52949b8f733efe8e46d8e08576d1c6095cdc725a443becb4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling sequence_buffer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "1bd5bfeefe0c89f52949b8f733efe8e46d8e08576d1c6095cdc725a443becb4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bd5bfeefe0c89f52949b8f733efe8e46d8e08576d1c6095cdc725a443becb4b", kill_on_drop: false }`
[INFO] [stdout] 1bd5bfeefe0c89f52949b8f733efe8e46d8e08576d1c6095cdc725a443becb4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eaeeaea751aadebf34d4758b6571d23a6f176a6e85ba1dbd34a82cd7b199cbcd
[INFO] running `Command { std: "docker" "start" "-a" "eaeeaea751aadebf34d4758b6571d23a6f176a6e85ba1dbd34a82cd7b199cbcd", 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/sequence_buffer-b94892731e36c8aa)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sequence_buffer
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::insert_test ... ok
[INFO] [stdout] test tests::remove_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "eaeeaea751aadebf34d4758b6571d23a6f176a6e85ba1dbd34a82cd7b199cbcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaeeaea751aadebf34d4758b6571d23a6f176a6e85ba1dbd34a82cd7b199cbcd", kill_on_drop: false }`
[INFO] [stdout] eaeeaea751aadebf34d4758b6571d23a6f176a6e85ba1dbd34a82cd7b199cbcd