[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#783139bd8fc3b94fac9a1bf81bba2c506e8221b6 for pr-72644 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavesabra%2FMandelbrot-set-graphic-by-Rust" "/workspace/builds/worker-4/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/davesabra/Mandelbrot-set-graphic-by-Rust on toolchain 783139bd8fc3b94fac9a1bf81bba2c506e8221b6 [INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "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-4/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" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "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] 533fa943c85d97af18255efb6062415dafcada95483600066587d85b12993ec7 [INFO] running `"docker" "start" "-a" "533fa943c85d97af18255efb6062415dafcada95483600066587d85b12993ec7"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling proc-macro2 v0.4.28 [INFO] [stderr] Compiling syn v0.15.33 [INFO] [stderr] Checking num_cpus v1.10.0 [INFO] [stderr] Checking png v0.14.1 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking rayon-core v1.4.1 [INFO] [stderr] Checking crossbeam-epoch v0.7.1 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking crossbeam-channel v0.3.8 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking rayon v1.0.3 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Checking crossbeam v0.7.1 [INFO] [stderr] Checking jpeg-decoder v0.1.15 [INFO] [stderr] Compiling num-derive v0.2.5 [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[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: 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: build failed [INFO] running `"docker" "inspect" "533fa943c85d97af18255efb6062415dafcada95483600066587d85b12993ec7"` [INFO] running `"docker" "rm" "-f" "533fa943c85d97af18255efb6062415dafcada95483600066587d85b12993ec7"` [INFO] [stdout] 533fa943c85d97af18255efb6062415dafcada95483600066587d85b12993ec7