[INFO] cloning repository https://github.com/fin-ger/rust-ovgu-canteen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fin-ger/rust-ovgu-canteen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffin-ger%2Frust-ovgu-canteen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffin-ger%2Frust-ovgu-canteen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] afba2842e7424195a2decede6e36b99d13f0f8e1
[INFO] testing fin-ger/rust-ovgu-canteen against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffin-ger%2Frust-ovgu-canteen" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fin-ger/rust-ovgu-canteen on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fin-ger/rust-ovgu-canteen
[INFO] finished tweaking git repo https://github.com/fin-ger/rust-ovgu-canteen
[INFO] tweaked toml for git repo https://github.com/fin-ger/rust-ovgu-canteen written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6a34e01d252a8ed064e053465bded4f3f5ba873224f0611f5ab44b7924f843b
[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" "c6a34e01d252a8ed064e053465bded4f3f5ba873224f0611f5ab44b7924f843b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6a34e01d252a8ed064e053465bded4f3f5ba873224f0611f5ab44b7924f843b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6a34e01d252a8ed064e053465bded4f3f5ba873224f0611f5ab44b7924f843b", kill_on_drop: false }`
[INFO] [stdout] c6a34e01d252a8ed064e053465bded4f3f5ba873224f0611f5ab44b7924f843b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb5537d04df90c72c2849102dbfe2ea46c085c721b4c632700578060777331ef
[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" "fb5537d04df90c72c2849102dbfe2ea46c085c721b4c632700578060777331ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling procedural-masquerade v0.1.7
[INFO] [stderr]    Compiling dtoa-short v0.3.3
[INFO] [stderr]    Compiling servo_arc v0.1.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling tracing v0.1.22
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling selectors v0.21.0
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling pin-project-internal v1.0.3
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling cssparser v0.25.9
[INFO] [stderr]    Compiling cssparser-macros v0.3.6
[INFO] [stderr]    Compiling html5ever v0.24.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling tokio v0.2.24
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling pin-project v1.0.3
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling pin-project v0.4.27
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-tls v0.3.1
[INFO] [stderr]    Compiling h2 v0.2.7
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling markup5ever v0.9.0
[INFO] [stderr]    Compiling hyper v0.13.9
[INFO] [stderr]    Compiling scraper v0.11.0
[INFO] [stderr]    Compiling hyper-tls v0.4.3
[INFO] [stderr]    Compiling ovgu-canteen v0.4.3-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 32s
[INFO] running `Command { std: "docker" "inspect" "fb5537d04df90c72c2849102dbfe2ea46c085c721b4c632700578060777331ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb5537d04df90c72c2849102dbfe2ea46c085c721b4c632700578060777331ef", kill_on_drop: false }`
[INFO] [stdout] fb5537d04df90c72c2849102dbfe2ea46c085c721b4c632700578060777331ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c967316a9bd3841146bf8da5e0329c836a99a551fea1840b42d79f1213761d9d
[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" "c967316a9bd3841146bf8da5e0329c836a99a551fea1840b42d79f1213761d9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling ovgu-canteen v0.4.3-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `ovgu-canteen`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name downstairs --edition=2018 tests/downstairs.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C opt-level=3 -C embed-bitcode=no -C debuginfo=2 -C overflow-checks=on --test -C metadata=7e0c553994335be3 -C extra-filename=-7e0c553994335be3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-4747229add289464.rlib --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-7f3905ccc1ceee0b.so --extern failure=/opt/rustwide/target/debug/deps/libfailure-fe20d9028803698c.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-1e1136776b442433.rlib --extern hyper=/opt/rustwide/target/debug/deps/libhyper-4bd2180ea35c2eb1.rlib --extern hyper_tls=/opt/rustwide/target/debug/deps/libhyper_tls-41ca126a1979be0f.rlib --extern ovgu_canteen=/opt/rustwide/target/debug/deps/libovgu_canteen-429d721f9c5faeab.rlib --extern scraper=/opt/rustwide/target/debug/deps/libscraper-9e5b0e1fa0e6cac9.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-923a867481593c66.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-c528e18a43b365ff.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-294f3d6582a2238c.rlib --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" "c967316a9bd3841146bf8da5e0329c836a99a551fea1840b42d79f1213761d9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c967316a9bd3841146bf8da5e0329c836a99a551fea1840b42d79f1213761d9d", kill_on_drop: false }`
[INFO] [stdout] c967316a9bd3841146bf8da5e0329c836a99a551fea1840b42d79f1213761d9d