[INFO] fetching crate btrfs-no-std 0.2.1...
[INFO] testing btrfs-no-std-0.2.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate btrfs-no-std 0.2.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate btrfs-no-std 0.2.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate btrfs-no-std 0.2.1
[INFO] finished tweaking crates.io crate btrfs-no-std 0.2.1
[INFO] tweaked toml for crates.io crate btrfs-no-std 0.2.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zerocopy v0.6.1
[INFO] [stderr]   Downloaded zerocopy-derive v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60b32311fe84a9bd06188155adfbfca8d75319c1ffcf41bd03edc1151a19d090
[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" "60b32311fe84a9bd06188155adfbfca8d75319c1ffcf41bd03edc1151a19d090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60b32311fe84a9bd06188155adfbfca8d75319c1ffcf41bd03edc1151a19d090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60b32311fe84a9bd06188155adfbfca8d75319c1ffcf41bd03edc1151a19d090", kill_on_drop: false }`
[INFO] [stdout] 60b32311fe84a9bd06188155adfbfca8d75319c1ffcf41bd03edc1151a19d090
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd9a6c77cecedaae049da9fe0b69542222da5bc65ecd7bc0b9694769812b6f58
[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" "cd9a6c77cecedaae049da9fe0b69542222da5bc65ecd7bc0b9694769812b6f58", kill_on_drop: false }`
[INFO] [stderr]    Compiling num_enum_derive v0.5.7
[INFO] [stderr]    Compiling strum_macros v0.23.1
[INFO] [stderr]    Compiling zerocopy-derive v0.3.1
[INFO] [stderr]    Compiling num_enum v0.5.7
[INFO] [stderr]    Compiling zerocopy v0.6.1
[INFO] [stderr]    Compiling strum v0.23.0
[INFO] [stderr]    Compiling btrfs-no-std v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.86s
[INFO] running `Command { std: "docker" "inspect" "cd9a6c77cecedaae049da9fe0b69542222da5bc65ecd7bc0b9694769812b6f58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd9a6c77cecedaae049da9fe0b69542222da5bc65ecd7bc0b9694769812b6f58", kill_on_drop: false }`
[INFO] [stdout] cd9a6c77cecedaae049da9fe0b69542222da5bc65ecd7bc0b9694769812b6f58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.60.0" "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] dd9ea9e6b1f8fcdf1b12f995bd5149c8f1bbe8e792bde4847e00c3ee01886d91
[INFO] running `Command { std: "docker" "start" "-a" "dd9ea9e6b1f8fcdf1b12f995bd5149c8f1bbe8e792bde4847e00c3ee01886d91", kill_on_drop: false }`
[INFO] [stderr]    Compiling btrfs-no-std v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "dd9ea9e6b1f8fcdf1b12f995bd5149c8f1bbe8e792bde4847e00c3ee01886d91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd9ea9e6b1f8fcdf1b12f995bd5149c8f1bbe8e792bde4847e00c3ee01886d91", kill_on_drop: false }`
[INFO] [stdout] dd9ea9e6b1f8fcdf1b12f995bd5149c8f1bbe8e792bde4847e00c3ee01886d91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.60.0" "test" "--frozen", 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] 960187c2355701ee992a2a3d978d3fb479bdd537a5dd86cccc096e7bc9375722
[INFO] running `Command { std: "docker" "start" "-a" "960187c2355701ee992a2a3d978d3fb479bdd537a5dd86cccc096e7bc9375722", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/btrfs_no_std-10403f7dfdb5a5b3)
[INFO] [stderr]    Doc-tests btrfs-no-std
[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] [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" "960187c2355701ee992a2a3d978d3fb479bdd537a5dd86cccc096e7bc9375722", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "960187c2355701ee992a2a3d978d3fb479bdd537a5dd86cccc096e7bc9375722", kill_on_drop: false }`
[INFO] [stdout] 960187c2355701ee992a2a3d978d3fb479bdd537a5dd86cccc096e7bc9375722