[INFO] cloning repository https://github.com/shockham/contours
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shockham/contours" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshockham%2Fcontours", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshockham%2Fcontours'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4dcccd8065800edeb4f61322f8ff925015052b33
[INFO] checking shockham/contours against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshockham%2Fcontours" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shockham/contours on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shockham/contours
[INFO] finished tweaking git repo https://github.com/shockham/contours
[INFO] tweaked toml for git repo https://github.com/shockham/contours written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/shockham/contours already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b080416c6ce9ceff723e5cd5901c3769be7c6b74957fcee1261c03dee04b849
[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" "8b080416c6ce9ceff723e5cd5901c3769be7c6b74957fcee1261c03dee04b849", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b080416c6ce9ceff723e5cd5901c3769be7c6b74957fcee1261c03dee04b849", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b080416c6ce9ceff723e5cd5901c3769be7c6b74957fcee1261c03dee04b849", kill_on_drop: false }`
[INFO] [stdout] 8b080416c6ce9ceff723e5cd5901c3769be7c6b74957fcee1261c03dee04b849
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48734cff5ea161f0da8c05e83f5a1a307b51aebc208282f8bfda1ab24502177a
[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" "48734cff5ea161f0da8c05e83f5a1a307b51aebc208282f8bfda1ab24502177a", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking ogg v0.7.1
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking x11-dl v2.18.5
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking lewton v0.9.4
[INFO] [stderr]     Checking cpal v0.8.2
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking backtrace v0.3.59
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking cgmath v0.16.1
[INFO] [stderr]     Checking cgmath v0.14.1
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.5
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.7
[INFO] [stderr]    Compiling glium v0.26.0
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking calloop v0.4.4
[INFO] [stderr]     Checking wayland-commons v0.23.6
[INFO] [stderr]     Checking rodio v0.8.1
[INFO] [stderr]     Checking genmesh v0.6.2
[INFO] [stderr]     Checking wayland-client v0.23.6
[INFO] [stderr]     Checking obj v0.9.1
[INFO] [stderr]     Checking impose v0.3.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking wayland-protocols v0.23.6
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking noise v0.6.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.6.6
[INFO] [stderr]     Checking winit v0.21.0
[INFO] [stderr]     Checking glutin v0.23.0
[INFO] [stderr]     Checking volition v0.1.4
[INFO] [stderr]     Checking imgui v0.3.0
[INFO] [stderr]     Checking glium_text_rusttype v0.3.3
[INFO] [stderr]     Checking imgui-glium-renderer v0.3.0
[INFO] [stderr]     Checking caper v0.13.0 (https://github.com/shockham/caper#4fd90ecb)
[INFO] [stderr]     Checking contours v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.97s
[INFO] running `Command { std: "docker" "inspect" "48734cff5ea161f0da8c05e83f5a1a307b51aebc208282f8bfda1ab24502177a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48734cff5ea161f0da8c05e83f5a1a307b51aebc208282f8bfda1ab24502177a", kill_on_drop: false }`
[INFO] [stdout] 48734cff5ea161f0da8c05e83f5a1a307b51aebc208282f8bfda1ab24502177a