[INFO] cloning repository https://github.com/ErikssonM/weekend-tracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ErikssonM/weekend-tracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FErikssonM%2Fweekend-tracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FErikssonM%2Fweekend-tracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eea921d6e2d2fc7f1850f04705d7d29de352bbde
[INFO] checking ErikssonM/weekend-tracer against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FErikssonM%2Fweekend-tracer" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ErikssonM/weekend-tracer on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ErikssonM/weekend-tracer
[INFO] finished tweaking git repo https://github.com/ErikssonM/weekend-tracer
[INFO] tweaked toml for git repo https://github.com/ErikssonM/weekend-tracer written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/ErikssonM/weekend-tracer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ae59d8e165188f73846510d0dd73541ade7791e51af814758590c5c5fc665a1
[INFO] running `Command { std: "docker" "start" "-a" "4ae59d8e165188f73846510d0dd73541ade7791e51af814758590c5c5fc665a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ae59d8e165188f73846510d0dd73541ade7791e51af814758590c5c5fc665a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ae59d8e165188f73846510d0dd73541ade7791e51af814758590c5c5fc665a1", kill_on_drop: false }`
[INFO] [stdout] 4ae59d8e165188f73846510d0dd73541ade7791e51af814758590c5c5fc665a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc304ae974b8a0cd856bf35dc0407b2159e3d5afdac8ee33c28853dda6d09198
[INFO] running `Command { std: "docker" "start" "-a" "bc304ae974b8a0cd856bf35dc0407b2159e3d5afdac8ee33c28853dda6d09198", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking matrixmultiply v0.3.1
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking num-rational v0.3.2
[INFO] [stderr]     Checking ndarray v0.15.1
[INFO] [stderr]     Checking simba v0.4.0
[INFO] [stderr]     Checking nalgebra v0.26.2
[INFO] [stderr]     Checking tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Arc`
[INFO] [stdout]    --> src/geometry.rs:151:23
[INFO] [stdout]     |
[INFO] [stdout] 151 |             material: Arc::new(mat),
[INFO] [stdout]     |                       ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 138 |     use crate::Arc;
[INFO] [stdout]     |
[INFO] [stdout] 138 |     use std::sync::Arc;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Arc`
[INFO] [stdout]    --> src/geometry.rs:180:23
[INFO] [stdout]     |
[INFO] [stdout] 180 |             material: Arc::new(mat),
[INFO] [stdout]     |                       ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 138 |     use crate::Arc;
[INFO] [stdout]     |
[INFO] [stdout] 138 |     use std::sync::Arc;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Arc`
[INFO] [stdout]    --> src/geometry.rs:208:23
[INFO] [stdout]     |
[INFO] [stdout] 208 |             material: Arc::new(mat),
[INFO] [stdout]     |                       ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 138 |     use crate::Arc;
[INFO] [stdout]     |
[INFO] [stdout] 138 |     use std::sync::Arc;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Arc`
[INFO] [stdout]    --> src/geometry.rs:237:23
[INFO] [stdout]     |
[INFO] [stdout] 237 |             material: Arc::new(mat),
[INFO] [stdout]     |                       ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 138 |     use crate::Arc;
[INFO] [stdout]     |
[INFO] [stdout] 138 |     use std::sync::Arc;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tracer`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "bc304ae974b8a0cd856bf35dc0407b2159e3d5afdac8ee33c28853dda6d09198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc304ae974b8a0cd856bf35dc0407b2159e3d5afdac8ee33c28853dda6d09198", kill_on_drop: false }`
[INFO] [stdout] bc304ae974b8a0cd856bf35dc0407b2159e3d5afdac8ee33c28853dda6d09198