[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/eea921d6e2d2fc7f1850f04705d7d29de352bbde against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FErikssonM%2Fweekend-tracer" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ErikssonM/weekend-tracer on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "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-3-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ndarray v0.15.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69947b9c4401659c3baefd3f6b462a089de4f976a5a89e56413857297d0542c5
[INFO] running `Command { std: "docker" "start" "-a" "69947b9c4401659c3baefd3f6b462a089de4f976a5a89e56413857297d0542c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69947b9c4401659c3baefd3f6b462a089de4f976a5a89e56413857297d0542c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69947b9c4401659c3baefd3f6b462a089de4f976a5a89e56413857297d0542c5", kill_on_drop: false }`
[INFO] [stdout] 69947b9c4401659c3baefd3f6b462a089de4f976a5a89e56413857297d0542c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c07ea871f42a43b5dd8d3a4ecd416e0720209a54ec86612db33ee6982a89881
[INFO] running `Command { std: "docker" "start" "-a" "9c07ea871f42a43b5dd8d3a4ecd416e0720209a54ec86612db33ee6982a89881", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking matrixmultiply v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking simba v0.4.0
[INFO] [stderr]     Checking ndarray v0.15.1
[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]     |                       ^^^ use of undeclared type `Arc`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[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]     |                       ^^^ use of undeclared type `Arc`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[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]     |                       ^^^ use of undeclared type `Arc`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[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]     |                       ^^^ use of undeclared type `Arc`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[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] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tracer` (bin "tracer" test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "9c07ea871f42a43b5dd8d3a4ecd416e0720209a54ec86612db33ee6982a89881", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c07ea871f42a43b5dd8d3a4ecd416e0720209a54ec86612db33ee6982a89881", kill_on_drop: false }`
[INFO] [stdout] 9c07ea871f42a43b5dd8d3a4ecd416e0720209a54ec86612db33ee6982a89881