[INFO] updating cached repository maghoff/renderer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/maghoff/renderer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/maghoff/renderer" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/maghoff/renderer"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/maghoff/renderer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/maghoff/renderer" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/maghoff/renderer"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/maghoff/renderer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ae8005370afb2ce3ef2142133eba774eb66b1872
[INFO] sha for GitHub repo maghoff/renderer: ae8005370afb2ce3ef2142133eba774eb66b1872
[INFO] validating manifest of maghoff/renderer on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of maghoff/renderer on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing maghoff/renderer
[INFO] finished frobbing maghoff/renderer
[INFO] frobbed toml for maghoff/renderer written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/maghoff/renderer/Cargo.toml
[INFO] started frobbing maghoff/renderer
[INFO] finished frobbing maghoff/renderer
[INFO] frobbed toml for maghoff/renderer written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/maghoff/renderer/Cargo.toml
[INFO] crate maghoff/renderer already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking maghoff/renderer against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-0/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/maghoff/renderer:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 15e5be13267a29ba9282003cffe0bbb71dff1ec355e7e7db71de730c08011e24
[INFO] running `"docker" "start" "-a" "15e5be13267a29ba9282003cffe0bbb71dff1ec355e7e7db71de730c08011e24"`
[INFO] [stderr]    Compiling cgmath v0.16.0
[INFO] [stderr]    Compiling ndarray v0.11.1
[INFO] [stderr]     Checking num-traits v0.2.0
[INFO] [stderr]     Checking itertools v0.7.6
[INFO] [stderr]     Checking num-complex v0.1.42
[INFO] [stderr]     Checking rust-wasm-canvas v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::heap`
[INFO] [stderr]   --> src/main.rs:12:10
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::heap::{Alloc, Heap, Layout};
[INFO] [stderr]    |          ^^^^ could not find `heap` in `std`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error[E0432]: unresolved import `std::heap`
[INFO] [stderr]   --> src/main.rs:12:10
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::heap::{Alloc, Heap, Layout};
[INFO] [stderr]    |          ^^^^ could not find `heap` in `std`
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rust-wasm-canvas`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `rust-wasm-canvas`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/bin/map.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use] extern crate ndarray;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/bin/map.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use] extern crate ndarray;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "15e5be13267a29ba9282003cffe0bbb71dff1ec355e7e7db71de730c08011e24"`
[INFO] running `"docker" "rm" "-f" "15e5be13267a29ba9282003cffe0bbb71dff1ec355e7e7db71de730c08011e24"`
[INFO] [stdout] 15e5be13267a29ba9282003cffe0bbb71dff1ec355e7e7db71de730c08011e24