[INFO] cloning repository https://github.com/ktalmadge/Rust-Tracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ktalmadge/Rust-Tracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fktalmadge%2FRust-Tracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fktalmadge%2FRust-Tracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a50d5dd888aa169b8a4a10327eca453a697cbb98
[INFO] checking ktalmadge/Rust-Tracer against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fktalmadge%2FRust-Tracer" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ktalmadge/Rust-Tracer on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ktalmadge/Rust-Tracer
[INFO] finished tweaking git repo https://github.com/ktalmadge/Rust-Tracer
[INFO] tweaked toml for git repo https://github.com/ktalmadge/Rust-Tracer written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ktalmadge/Rust-Tracer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded png v0.10.0
[INFO] [stderr]   Downloaded inflate v0.3.2
[INFO] [stderr]   Downloaded image v0.16.0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bead34cc82a2a2b5c47da615adbfd2806a352f1d74bce94e3a4384c7393ed98f
[INFO] running `Command { std: "docker" "start" "-a" "bead34cc82a2a2b5c47da615adbfd2806a352f1d74bce94e3a4384c7393ed98f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bead34cc82a2a2b5c47da615adbfd2806a352f1d74bce94e3a4384c7393ed98f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bead34cc82a2a2b5c47da615adbfd2806a352f1d74bce94e3a4384c7393ed98f", kill_on_drop: false }`
[INFO] [stdout] bead34cc82a2a2b5c47da615adbfd2806a352f1d74bce94e3a4384c7393ed98f
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7e8ba69798f268465bd0c8dc062fede00fecd407f81e24714f4c271101dbc9b
[INFO] running `Command { std: "docker" "start" "-a" "f7e8ba69798f268465bd0c8dc062fede00fecd407f81e24714f4c271101dbc9b", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking libc v0.2.31
[INFO] [stderr]     Checking scopeguard v0.3.2
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]     Checking either v1.2.0
[INFO] [stderr]     Checking adler32 v1.0.2
[INFO] [stderr]     Checking futures v0.1.16
[INFO] [stderr]     Checking color_quant v1.0.0
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking serde v1.0.15
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking scoped_threadpool v0.1.8
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking inflate v0.3.2
[INFO] [stderr]     Checking deflate v0.7.17
[INFO] [stderr]     Checking coco v0.1.1
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking num_cpus v1.7.0
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking num-rational v0.1.39
[INFO] [stderr]     Checking png v0.10.0
[INFO] [stderr]    Compiling serde_derive_internals v0.16.0
[INFO] [stderr]     Checking cgmath v0.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.15
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]     Checking serde_json v1.0.3
[INFO] [stderr]     Checking jpeg-decoder v0.1.13
[INFO] [stderr]     Checking image v0.16.0
[INFO] [stderr]     Checking raytracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.02s
[INFO] running `Command { std: "docker" "inspect" "f7e8ba69798f268465bd0c8dc062fede00fecd407f81e24714f4c271101dbc9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7e8ba69798f268465bd0c8dc062fede00fecd407f81e24714f4c271101dbc9b", kill_on_drop: false }`
[INFO] [stdout] f7e8ba69798f268465bd0c8dc062fede00fecd407f81e24714f4c271101dbc9b