[INFO] fetching crate vmcircbuf 0.2.8...
[INFO] testing vmcircbuf-0.2.8 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate vmcircbuf 0.2.8 into /workspace/builds/worker-70/source
[INFO] validating manifest of crates.io crate vmcircbuf 0.2.8 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vmcircbuf 0.2.8
[INFO] finished tweaking crates.io crate vmcircbuf 0.2.8
[INFO] tweaked toml for crates.io crate vmcircbuf 0.2.8 written to /workspace/builds/worker-70/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1d34ab76382d58dabd70645da4e2e7d2e8daa9bcac0475be762f9ba5a6018a7
[INFO] running `Command { std: "docker" "start" "-a" "a1d34ab76382d58dabd70645da4e2e7d2e8daa9bcac0475be762f9ba5a6018a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1d34ab76382d58dabd70645da4e2e7d2e8daa9bcac0475be762f9ba5a6018a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1d34ab76382d58dabd70645da4e2e7d2e8daa9bcac0475be762f9ba5a6018a7", kill_on_drop: false }`
[INFO] [stdout] a1d34ab76382d58dabd70645da4e2e7d2e8daa9bcac0475be762f9ba5a6018a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 327381a9f9137d67558b2f343a9ccaa4bbbab2a5989d55fd10084525e6d52eee
[INFO] running `Command { std: "docker" "start" "-a" "327381a9f9137d67558b2f343a9ccaa4bbbab2a5989d55fd10084525e6d52eee", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling vmcircbuf v0.2.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.46s
[INFO] running `Command { std: "docker" "inspect" "327381a9f9137d67558b2f343a9ccaa4bbbab2a5989d55fd10084525e6d52eee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "327381a9f9137d67558b2f343a9ccaa4bbbab2a5989d55fd10084525e6d52eee", kill_on_drop: false }`
[INFO] [stdout] 327381a9f9137d67558b2f343a9ccaa4bbbab2a5989d55fd10084525e6d52eee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37cbf6984e4a56985e05759af167de12c6ea3712726b246fb358c356d1ea74de
[INFO] running `Command { std: "docker" "start" "-a" "37cbf6984e4a56985e05759af167de12c6ea3712726b246fb358c356d1ea74de", kill_on_drop: false }`
[INFO] [stderr]    Compiling vmcircbuf v0.2.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "37cbf6984e4a56985e05759af167de12c6ea3712726b246fb358c356d1ea74de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37cbf6984e4a56985e05759af167de12c6ea3712726b246fb358c356d1ea74de", kill_on_drop: false }`
[INFO] [stdout] 37cbf6984e4a56985e05759af167de12c6ea3712726b246fb358c356d1ea74de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0f2f3bd06884d19a2b4063f9033c133f0b155f8106866d8ef240165a099e3212
[INFO] running `Command { std: "docker" "start" "-a" "0f2f3bd06884d19a2b4063f9033c133f0b155f8106866d8ef240165a099e3212", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/vmcircbuf-91fbed633dec1f05)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test buffer::tests::wrap ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests vmcircbuf
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/buffer.rs - buffer::Buffer (line 23) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.49s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0f2f3bd06884d19a2b4063f9033c133f0b155f8106866d8ef240165a099e3212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f2f3bd06884d19a2b4063f9033c133f0b155f8106866d8ef240165a099e3212", kill_on_drop: false }`
[INFO] [stdout] 0f2f3bd06884d19a2b4063f9033c133f0b155f8106866d8ef240165a099e3212