[INFO] updating cached repository https://github.com/davesabra/Mandelbrot-set-graphic-by-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] 9e15b2cc76e694ca8171bc28e720e432b455c4a5 [INFO] checking davesabra/Mandelbrot-set-graphic-by-Rust against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavesabra%2FMandelbrot-set-graphic-by-Rust" "/workspace/builds/worker-14/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/davesabra/Mandelbrot-set-graphic-by-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/davesabra/Mandelbrot-set-graphic-by-Rust [INFO] finished tweaking git repo https://github.com/davesabra/Mandelbrot-set-graphic-by-Rust [INFO] tweaked toml for git repo https://github.com/davesabra/Mandelbrot-set-graphic-by-Rust written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/davesabra/Mandelbrot-set-graphic-by-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] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 4b22ff084525dd354bcdf014c74cdb61049871bf73fe625ceff083287616c753 [INFO] running `"docker" "start" "-a" "4b22ff084525dd354bcdf014c74cdb61049871bf73fe625ceff083287616c753"` [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Compiling num-bigint v0.2.2 [INFO] [stderr] Compiling syn v0.15.33 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Compiling num-rational v0.2.1 [INFO] [stderr] Checking adler32 v1.0.3 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Checking gif v0.10.1 [INFO] [stderr] Compiling proc-macro2 v0.4.28 [INFO] [stderr] Checking num-complex v0.2.1 [INFO] [stderr] Checking num_cpus v1.10.0 [INFO] [stderr] Checking inflate v0.4.5 [INFO] [stderr] Compiling rayon v1.0.3 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking crossbeam-channel v0.3.8 [INFO] [stderr] Checking deflate v0.7.19 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking crossbeam-epoch v0.7.1 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking png v0.14.1 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking crossbeam v0.7.1 [INFO] [stderr] Checking num v0.2.0 [INFO] [stderr] Checking jpeg-decoder v0.1.15 [INFO] [stderr] Checking tiff v0.2.2 [INFO] [stderr] Checking image v0.21.1 [INFO] [stderr] Checking mandelbrot v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error[E0599]: no method named `write_fmt` found for struct `std::io::Stderr` in the current scope [INFO] [stderr] --> src/main.rs:140:9 [INFO] [stderr] | [INFO] [stderr] 140 | / writeln!( [INFO] [stderr] 141 | | std::io::stderr(), [INFO] [stderr] 142 | | "Usage: mandelbrot FILE PIXELS UPPERLEFT LOWERRIGHT" [INFO] [stderr] 143 | | ) [INFO] [stderr] | |_________^ method not found in `std::io::Stderr` [INFO] [stderr] | [INFO] [stderr] = help: items from traits can only be used if the trait is in scope [INFO] [stderr] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] help: the following trait is implemented but not in scope; perhaps add a `use` for it: [INFO] [stderr] | [INFO] [stderr] 2 | use std::io::Write; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `write_fmt` found for struct `std::io::Stderr` in the current scope [INFO] [stderr] --> src/main.rs:145:9 [INFO] [stderr] | [INFO] [stderr] 145 | / writeln!( [INFO] [stderr] 146 | | std::io::stderr(), [INFO] [stderr] 147 | | "Example: {} mandel.png 1000x750 -1.20,0.35 -1,0.20", [INFO] [stderr] 148 | | args[0] [INFO] [stderr] 149 | | ) [INFO] [stderr] | |_________^ method not found in `std::io::Stderr` [INFO] [stderr] | [INFO] [stderr] = help: items from traits can only be used if the trait is in scope [INFO] [stderr] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] help: the following trait is implemented but not in scope; perhaps add a `use` for it: [INFO] [stderr] | [INFO] [stderr] 2 | use std::io::Write; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0599`. [INFO] [stderr] error: could not compile `mandelbrot`. [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[E0599]: no method named `write_fmt` found for struct `std::io::Stderr` in the current scope [INFO] [stderr] --> src/main.rs:140:9 [INFO] [stderr] | [INFO] [stderr] 140 | / writeln!( [INFO] [stderr] 141 | | std::io::stderr(), [INFO] [stderr] 142 | | "Usage: mandelbrot FILE PIXELS UPPERLEFT LOWERRIGHT" [INFO] [stderr] 143 | | ) [INFO] [stderr] | |_________^ method not found in `std::io::Stderr` [INFO] [stderr] | [INFO] [stderr] = help: items from traits can only be used if the trait is in scope [INFO] [stderr] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] help: the following trait is implemented but not in scope; perhaps add a `use` for it: [INFO] [stderr] | [INFO] [stderr] 2 | use std::io::Write; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `write_fmt` found for struct `std::io::Stderr` in the current scope [INFO] [stderr] --> src/main.rs:145:9 [INFO] [stderr] | [INFO] [stderr] 145 | / writeln!( [INFO] [stderr] 146 | | std::io::stderr(), [INFO] [stderr] 147 | | "Example: {} mandel.png 1000x750 -1.20,0.35 -1,0.20", [INFO] [stderr] 148 | | args[0] [INFO] [stderr] 149 | | ) [INFO] [stderr] | |_________^ method not found in `std::io::Stderr` [INFO] [stderr] | [INFO] [stderr] = help: items from traits can only be used if the trait is in scope [INFO] [stderr] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] help: the following trait is implemented but not in scope; perhaps add a `use` for it: [INFO] [stderr] | [INFO] [stderr] 2 | use std::io::Write; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0599`. [INFO] [stderr] error: could not compile `mandelbrot`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "4b22ff084525dd354bcdf014c74cdb61049871bf73fe625ceff083287616c753"` [INFO] running `"docker" "rm" "-f" "4b22ff084525dd354bcdf014c74cdb61049871bf73fe625ceff083287616c753"` [INFO] [stdout] 4b22ff084525dd354bcdf014c74cdb61049871bf73fe625ceff083287616c753