[INFO] fetching crate foolang 0.0.0...
[INFO] checking foolang-0.0.0 against beta for pr-78714
[INFO] extracting crate foolang 0.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate foolang 0.0.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate foolang 0.0.0
[INFO] finished tweaking crates.io crate foolang 0.0.0
[INFO] tweaked toml for crates.io crate foolang 0.0.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate foolang 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 978b103d828294889903e6d418f5167dd1d65a68c955315120e45f041b0c7ae1
[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" "978b103d828294889903e6d418f5167dd1d65a68c955315120e45f041b0c7ae1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "978b103d828294889903e6d418f5167dd1d65a68c955315120e45f041b0c7ae1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "978b103d828294889903e6d418f5167dd1d65a68c955315120e45f041b0c7ae1", kill_on_drop: false }`
[INFO] [stdout] 978b103d828294889903e6d418f5167dd1d65a68c955315120e45f041b0c7ae1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53d7af9af37cef173113c7979d77e3bc1b0b3a63cb2eb3271029e3a1c731a27c
[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" "53d7af9af37cef173113c7979d77e3bc1b0b3a63cb2eb3271029e3a1c731a27c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.3.2
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking regex-syntax v0.6.14
[INFO] [stderr]     Checking ascii v0.8.7
[INFO] [stderr]     Checking chunked_transfer v0.3.1
[INFO] [stderr]     Checking slotmap v0.4.0
[INFO] [stderr]     Checking instant v0.1.2
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]     Checking webbrowser v0.5.2
[INFO] [stderr]    Compiling escargot v0.5.0
[INFO] [stderr]     Checking normalize-line-endings v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking filetime v0.2.8
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking gzip-header v0.3.0
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking float-cmp v0.5.3
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking aho-corasick v0.7.8
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking wayland-commons v0.21.13
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking alga v0.9.2
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]    Compiling gl v0.14.0
[INFO] [stderr]     Checking tiny_http v0.6.2
[INFO] [stderr]    Compiling glutin v0.19.0
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]     Checking rusttype v0.8.2
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]    Compiling mime_guess v1.8.7
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking nalgebra v0.19.0
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking predicates v1.0.2
[INFO] [stderr]     Checking multipart v0.15.4
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking image v0.22.5
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.6
[INFO] [stderr]     Checking winit v0.18.1
[INFO] [stderr]     Checking ncollide3d v0.21.0
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking rouille v3.0.0
[INFO] [stderr]     Checking assert_cmd v0.12.0
[INFO] [stderr]     Checking kiss3d v0.22.1
[INFO] [stderr]     Checking foolang v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `Command { std: "docker" "inspect" "53d7af9af37cef173113c7979d77e3bc1b0b3a63cb2eb3271029e3a1c731a27c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53d7af9af37cef173113c7979d77e3bc1b0b3a63cb2eb3271029e3a1c731a27c", kill_on_drop: false }`
[INFO] [stdout] 53d7af9af37cef173113c7979d77e3bc1b0b3a63cb2eb3271029e3a1c731a27c