[INFO] fetching crate bracket-lib 0.8.1...
[INFO] checking bracket-lib-0.8.1 against beta for pr-78714
[INFO] extracting crate bracket-lib 0.8.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate bracket-lib 0.8.1 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 bracket-lib 0.8.1
[INFO] finished tweaking crates.io crate bracket-lib 0.8.1
[INFO] tweaked toml for crates.io crate bracket-lib 0.8.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 2411e01ce8758e6a4496bfac3710a34da07e3a597348a82e981721ffa4a47578
[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" "2411e01ce8758e6a4496bfac3710a34da07e3a597348a82e981721ffa4a47578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2411e01ce8758e6a4496bfac3710a34da07e3a597348a82e981721ffa4a47578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2411e01ce8758e6a4496bfac3710a34da07e3a597348a82e981721ffa4a47578", kill_on_drop: false }`
[INFO] [stdout] 2411e01ce8758e6a4496bfac3710a34da07e3a597348a82e981721ffa4a47578
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 5a52596c6397e46663ebcdd104f74390dde93979972fdc8e7ec68634547344f1
[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" "5a52596c6397e46663ebcdd104f74390dde93979972fdc8e7ec68634547344f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling wide v0.4.6
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking x11-dl v2.18.5
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking num-iter v0.1.42
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking bracket-color v0.8.1
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking object-pool v0.4.4
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking image v0.23.11
[INFO] [stderr]     Checking ultraviolet v0.4.6
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.7
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.5
[INFO] [stderr]    Compiling glow v0.4.0
[INFO] [stderr]     Checking bracket-random v0.8.0
[INFO] [stderr]     Checking bracket-noise v0.8.1
[INFO] [stderr]     Checking bracket-geometry v0.8.1
[INFO] [stderr]     Checking bracket-algorithm-traits v0.8.1
[INFO] [stderr]     Checking bracket-pathfinding v0.8.1
[INFO] [stderr]     Checking calloop v0.4.4
[INFO] [stderr]     Checking wayland-commons v0.23.6
[INFO] [stderr]     Checking wayland-client v0.23.6
[INFO] [stderr]     Checking wayland-protocols v0.23.6
[INFO] [stderr]     Checking smithay-client-toolkit v0.6.6
[INFO] [stderr]     Checking winit v0.22.2
[INFO] [stderr]     Checking glutin v0.24.1
[INFO] [stderr]     Checking bracket-terminal v0.8.1
[INFO] [stderr]     Checking bracket-lib v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.72s
[INFO] running `Command { std: "docker" "inspect" "5a52596c6397e46663ebcdd104f74390dde93979972fdc8e7ec68634547344f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a52596c6397e46663ebcdd104f74390dde93979972fdc8e7ec68634547344f1", kill_on_drop: false }`
[INFO] [stdout] 5a52596c6397e46663ebcdd104f74390dde93979972fdc8e7ec68634547344f1