[INFO] cloning repository https://github.com/michalwa/barbara-santana
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/michalwa/barbara-santana" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichalwa%2Fbarbara-santana", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichalwa%2Fbarbara-santana'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a4c9673f5180854f9249382124c32fd6e0f2f2e7
[INFO] testing michalwa/barbara-santana against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichalwa%2Fbarbara-santana" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/michalwa/barbara-santana on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/michalwa/barbara-santana
[INFO] finished tweaking git repo https://github.com/michalwa/barbara-santana
[INFO] tweaked toml for git repo https://github.com/michalwa/barbara-santana written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/michalwa/barbara-santana already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ae675981c981ea46d1f3ab80f77b53c14450aa26d2e0a3deb679e2ad0d28094
[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" "6ae675981c981ea46d1f3ab80f77b53c14450aa26d2e0a3deb679e2ad0d28094", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ae675981c981ea46d1f3ab80f77b53c14450aa26d2e0a3deb679e2ad0d28094", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ae675981c981ea46d1f3ab80f77b53c14450aa26d2e0a3deb679e2ad0d28094", kill_on_drop: false }`
[INFO] [stdout] 6ae675981c981ea46d1f3ab80f77b53c14450aa26d2e0a3deb679e2ad0d28094
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9fb13ddaf7fd6580ce520073d3a41232979e0dcc5c2df899bcabdd9893a8d6f
[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" "b9fb13ddaf7fd6580ce520073d3a41232979e0dcc5c2df899bcabdd9893a8d6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.51
[INFO] [stderr]    Compiling futures-core v0.3.8
[INFO] [stderr]    Compiling futures-io v0.3.8
[INFO] [stderr]    Compiling cc v1.0.65
[INFO] [stderr]    Compiling bytes v1.0.0
[INFO] [stderr]    Compiling smallvec v1.5.0
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling pnet_base v0.26.0
[INFO] [stderr]    Compiling serenity v0.10.2
[INFO] [stderr]    Compiling typemap_rev v0.1.4
[INFO] [stderr]    Compiling songbird v0.1.0
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]    Compiling tokio v1.0.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling pnet_macros_support v0.26.0
[INFO] [stderr]    Compiling async-channel v1.5.1
[INFO] [stderr]    Compiling spinning_top v0.2.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling audiopus_sys v0.1.8
[INFO] [stderr]    Compiling os_info v2.0.8
[INFO] [stderr]    Compiling futures-lite v1.11.3
[INFO] [stderr]    Compiling stringprep v0.1.2
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]    Compiling cipher v0.2.5
[INFO] [stderr]    Compiling universal-hash v0.4.0
[INFO] [stderr]    Compiling aead v0.3.2
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling http-body v0.4.0
[INFO] [stderr]    Compiling sha-1 v0.9.2
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling typed-builder v0.3.0
[INFO] [stderr]    Compiling poly1305 v0.6.2
[INFO] [stderr]    Compiling salsa20 v0.7.2
[INFO] [stderr]    Compiling audiopus v0.2.0
[INFO] [stderr]    Compiling async-executor v1.4.0
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling ring v0.16.17
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling mio v0.7.7
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling net2 v0.2.35
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling socket2 v0.3.17
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling nb-connect v1.0.2
[INFO] [stderr]    Compiling polling v2.0.2
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling flate2 v1.0.19
[INFO] [stderr]    Compiling parking_lot_core v0.8.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_core v0.6.1
[INFO] [stderr]    Compiling nanorand v0.5.2
[INFO] [stderr]    Compiling async-io v1.3.1
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]    Compiling resolv-conf v0.7.0
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling xsalsa20poly1305 v0.6.0
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling async-global-executor v1.4.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling futures-intrusive v0.3.1
[INFO] [stderr]    Compiling rand v0.8.1
[INFO] [stderr]    Compiling tokio v0.2.23
[INFO] [stderr]    Compiling tungstenite v0.11.1
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling webpki v0.21.3
[INFO] [stderr]    Compiling sct v0.6.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling rustls v0.19.0
[INFO] [stderr]    Compiling webpki-roots v0.21.0
[INFO] [stderr]    Compiling webpki-roots v0.20.0
[INFO] [stderr]    Compiling rustls v0.17.0
[INFO] [stderr]    Compiling webpki-roots v0.18.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]    Compiling command_attr v0.3.3
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr] error: could not compile `syntex_syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syntex_syntax /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syntex_syntax-0.42.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=2b1ab181824f27ed -C extra-filename=-2b1ab181824f27ed --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-e8449fa2ea339fda.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-e705d7b71dff3d1e.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-14f3c1654e101692.rmeta --extern rustc_serialize=/opt/rustwide/target/debug/deps/librustc_serialize-0dc33504845dc5ac.rmeta --extern syntex_errors=/opt/rustwide/target/debug/deps/libsyntex_errors-478ec1f1736d1cee.rmeta --extern syntex_pos=/opt/rustwide/target/debug/deps/libsyntex_pos-6285ba55d43f344f.rmeta --extern term=/opt/rustwide/target/debug/deps/libterm-22038e51ee66055e.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-2980cb19de514e40.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b9fb13ddaf7fd6580ce520073d3a41232979e0dcc5c2df899bcabdd9893a8d6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9fb13ddaf7fd6580ce520073d3a41232979e0dcc5c2df899bcabdd9893a8d6f", kill_on_drop: false }`
[INFO] [stdout] b9fb13ddaf7fd6580ce520073d3a41232979e0dcc5c2df899bcabdd9893a8d6f