[INFO] fetching crate serbuffer 1.3.3...
[INFO] testing serbuffer-1.3.3 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate serbuffer 1.3.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate serbuffer 1.3.3 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serbuffer 1.3.3
[INFO] finished tweaking crates.io crate serbuffer 1.3.3
[INFO] tweaked toml for crates.io crate serbuffer 1.3.3 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 20de5408809d2055862de04ea70307af2c4e27bfb346c778f5f74c33e770b165
[INFO] running `Command { std: "docker" "start" "-a" "20de5408809d2055862de04ea70307af2c4e27bfb346c778f5f74c33e770b165", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20de5408809d2055862de04ea70307af2c4e27bfb346c778f5f74c33e770b165", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20de5408809d2055862de04ea70307af2c4e27bfb346c778f5f74c33e770b165", kill_on_drop: false }`
[INFO] [stdout] 20de5408809d2055862de04ea70307af2c4e27bfb346c778f5f74c33e770b165
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f9e4efc08e18e440305a36e054211894c84f5b4a58c27141abc4524638087064
[INFO] running `Command { std: "docker" "start" "-a" "f9e4efc08e18e440305a36e054211894c84f5b4a58c27141abc4524638087064", kill_on_drop: false }`
[INFO] [stderr]    Compiling serbuffer v1.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "f9e4efc08e18e440305a36e054211894c84f5b4a58c27141abc4524638087064", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9e4efc08e18e440305a36e054211894c84f5b4a58c27141abc4524638087064", kill_on_drop: false }`
[INFO] [stdout] f9e4efc08e18e440305a36e054211894c84f5b4a58c27141abc4524638087064
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fc79fcebd0ad3be78c0533f42740c75908f647ca9a236c35547a67660995b93e
[INFO] running `Command { std: "docker" "start" "-a" "fc79fcebd0ad3be78c0533f42740c75908f647ca9a236c35547a67660995b93e", kill_on_drop: false }`
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling serbuffer v1.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.17s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/serbuffer-1ce4be1c40dd5b30)
[INFO] running `Command { std: "docker" "inspect" "fc79fcebd0ad3be78c0533f42740c75908f647ca9a236c35547a67660995b93e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc79fcebd0ad3be78c0533f42740c75908f647ca9a236c35547a67660995b93e", kill_on_drop: false }`
[INFO] [stdout] fc79fcebd0ad3be78c0533f42740c75908f647ca9a236c35547a67660995b93e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0abd1816bf4e31744a60ab898ddeababe35be4d983f27ca5405e82985955cb1f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0abd1816bf4e31744a60ab898ddeababe35be4d983f27ca5405e82985955cb1f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serbuffer-1ce4be1c40dd5b30)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test encoding::length_encoded_integer::tests::lenenc_int_0_test ... ok
[INFO] [stdout] test tests::buf_extend_test ... ok
[INFO] [stdout] test tests::buffer_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serbuffer
[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" "0abd1816bf4e31744a60ab898ddeababe35be4d983f27ca5405e82985955cb1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0abd1816bf4e31744a60ab898ddeababe35be4d983f27ca5405e82985955cb1f", kill_on_drop: false }`
[INFO] [stdout] 0abd1816bf4e31744a60ab898ddeababe35be4d983f27ca5405e82985955cb1f