[INFO] updating cached repository https://github.com/oberien/buddhabrot-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7837ef59d087653f156924e2ba42702434dbe3c2
[INFO] checking oberien/buddhabrot-rust against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foberien%2Fbuddhabrot-rust" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/oberien/buddhabrot-rust on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/oberien/buddhabrot-rust
[INFO] finished tweaking git repo https://github.com/oberien/buddhabrot-rust
[INFO] tweaked toml for git repo https://github.com/oberien/buddhabrot-rust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/oberien/buddhabrot-rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 43d5b02b19707253d6198a9a542965a15e1351670c704be72424520346a7f706
[INFO] running `"docker" "start" "-a" "43d5b02b19707253d6198a9a542965a15e1351670c704be72424520346a7f706"`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking bytemuck v1.2.0
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking deflate v0.8.4
[INFO] [stderr]     Checking tiff v0.4.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking png v0.16.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking jpeg-decoder v0.1.19
[INFO] [stderr]     Checking image v0.23.4
[INFO] [stderr]     Checking buddhabrot v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `self::image::ImageRgb8`
[INFO] [stderr]  --> src/render.rs:8:46
[INFO] [stderr]   |
[INFO] [stderr] 8 | use self::image::{ImageBuffer, DynamicImage, ImageRgb8};
[INFO] [stderr]   |                                              ^^^^^^^^^ no `ImageRgb8` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `PNG` in crate `image`
[INFO] [stderr]    --> src/render.rs:148:32
[INFO] [stderr]     |
[INFO] [stderr] 148 |     img.save(&mut file, image::PNG).unwrap();
[INFO] [stderr]     |                                ^^^ not found in `image`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `self::image::ImageRgb8`
[INFO] [stderr]  --> src/render.rs:8:46
[INFO] [stderr]   |
[INFO] [stderr] 8 | use self::image::{ImageBuffer, DynamicImage, ImageRgb8};
[INFO] [stderr]   |                                              ^^^^^^^^^ no `ImageRgb8` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `PNG` in crate `image`
[INFO] [stderr]    --> src/render.rs:148:32
[INFO] [stderr]     |
[INFO] [stderr] 148 |     img.save(&mut file, image::PNG).unwrap();
[INFO] [stderr]     |                                ^^^ not found in `image`
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 1 argument but 2 arguments were supplied
[INFO] [stderr]    --> src/render.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 148 |     img.save(&mut file, image::PNG).unwrap();
[INFO] [stderr]     |         ^^^^ ---------  ---------- supplied 2 arguments
[INFO] [stderr]     |         |
[INFO] [stderr]     |         expected 1 argument
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0061, E0425, E0432.
[INFO] [stderr] For more information about an error, try `rustc --explain E0061`.
[INFO] [stderr] error: could not compile `buddhabrot`.
[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[E0061]: this function takes 1 argument but 2 arguments were supplied
[INFO] [stderr]    --> src/render.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 148 |     img.save(&mut file, image::PNG).unwrap();
[INFO] [stderr]     |         ^^^^ ---------  ---------- supplied 2 arguments
[INFO] [stderr]     |         |
[INFO] [stderr]     |         expected 1 argument
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0061, E0425, E0432.
[INFO] [stderr] For more information about an error, try `rustc --explain E0061`.
[INFO] [stderr] error: could not compile `buddhabrot`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "43d5b02b19707253d6198a9a542965a15e1351670c704be72424520346a7f706"`
[INFO] running `"docker" "rm" "-f" "43d5b02b19707253d6198a9a542965a15e1351670c704be72424520346a7f706"`
[INFO] [stdout] 43d5b02b19707253d6198a9a542965a15e1351670c704be72424520346a7f706