[INFO] cloning repository https://github.com/den-taku/the-orbtk-book
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/den-taku/the-orbtk-book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fden-taku%2Fthe-orbtk-book", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fden-taku%2Fthe-orbtk-book'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b82d2242ee20659231f7a7910a67d8632f1d2dbd
[INFO] checking den-taku/the-orbtk-book against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fden-taku%2Fthe-orbtk-book" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/den-taku/the-orbtk-book on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/den-taku/the-orbtk-book
[INFO] finished tweaking git repo https://github.com/den-taku/the-orbtk-book
[INFO] tweaked toml for git repo https://github.com/den-taku/the-orbtk-book written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/den-taku/the-orbtk-book already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/redox-os/orbtk.git`
[INFO] [stderr]     Updating git repository `https://gitlab.redox-os.org/redox-os/dces-rust.git`
[INFO] [stderr]     Updating git repository `https://gitlab.redox-os.org/rzerres/orbclient.git`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22b5f473cb278a9182ca96eb863627e2b970c618eefcecb9f2c2b71937bf6103
[INFO] running `Command { std: "docker" "start" "-a" "22b5f473cb278a9182ca96eb863627e2b970c618eefcecb9f2c2b71937bf6103", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22b5f473cb278a9182ca96eb863627e2b970c618eefcecb9f2c2b71937bf6103", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22b5f473cb278a9182ca96eb863627e2b970c618eefcecb9f2c2b71937bf6103", kill_on_drop: false }`
[INFO] [stdout] 22b5f473cb278a9182ca96eb863627e2b970c618eefcecb9f2c2b71937bf6103
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5f818485c3f96ca1ee35132fd446727483f546cc678576052b76312bc1ec18c
[INFO] running `Command { std: "docker" "start" "-a" "e5f818485c3f96ca1ee35132fd446727483f546cc678576052b76312bc1ec18c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking lexical-util v0.8.5
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking deflate v1.0.0
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking bytemuck v1.12.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]     Checking ttf-parser v0.6.2
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking raw-window-handle v0.4.3
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]     Checking safe_arch v0.5.2
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.5
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking lexical-write-integer v0.8.5
[INFO] [stderr]     Checking lexical-parse-integer v0.8.6
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking phf v0.10.1
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling rust_decimal v1.26.1
[INFO] [stderr]     Checking png v0.17.5
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking lexical-parse-float v0.8.5
[INFO] [stderr]     Checking lexical-write-float v0.8.5
[INFO] [stderr]    Compiling case v1.0.0
[INFO] [stderr]     Checking dces v0.3.1 (https://gitlab.redox-os.org/redox-os/dces-rust.git?branch=master#fb8e8c78)
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]     Checking lexical-core v0.8.5
[INFO] [stderr]     Checking tiny-skia v0.6.6
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking owned_ttf_parser v0.6.0
[INFO] [stderr]     Checking rusttype v0.9.2
[INFO] [stderr]     Checking image v0.24.3
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling phf_codegen v0.10.0
[INFO] [stderr]    Compiling orbtk_utils v0.3.1-alpha5 (https://github.com/redox-os/orbtk.git?branch=develop#68c67da8)
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling orbtk_proc_macros v0.3.1-alpha5 (https://github.com/redox-os/orbtk.git?branch=develop#68c67da8)
[INFO] [stderr]     Checking ron v0.7.1
[INFO] [stderr]     Checking orbtk_tinyskia v0.3.1-alpha5 (https://github.com/redox-os/orbtk.git?branch=develop#68c67da8)
[INFO] [stderr]     Checking orbclient v0.3.33 (https://gitlab.redox-os.org/rzerres/orbclient.git?branch=master#118b36d6)
[INFO] [stderr]     Checking orbtk_orbclient v0.3.1-alpha5 (https://github.com/redox-os/orbtk.git?branch=develop#68c67da8)
[INFO] [stderr]     Checking orbtk_core v0.3.1-alpha5 (https://github.com/redox-os/orbtk.git?branch=develop#68c67da8)
[INFO] [stderr]     Checking orbtk_widgets v0.3.1-alpha5 (https://github.com/redox-os/orbtk.git?branch=develop#68c67da8)
[INFO] [stderr]     Checking orbtk v0.3.1-alpha5 (https://github.com/redox-os/orbtk.git?branch=develop#68c67da8)
[INFO] [stderr]     Checking the-orbtk-book v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.46s
[INFO] running `Command { std: "docker" "inspect" "e5f818485c3f96ca1ee35132fd446727483f546cc678576052b76312bc1ec18c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5f818485c3f96ca1ee35132fd446727483f546cc678576052b76312bc1ec18c", kill_on_drop: false }`
[INFO] [stdout] e5f818485c3f96ca1ee35132fd446727483f546cc678576052b76312bc1ec18c