[INFO] updating cached repository https://github.com/ritchie46/mandelbrot-explorer [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] c0695f09b4e5c947eefe5d55a9490e0d57187736 [INFO] testing ritchie46/mandelbrot-explorer against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fritchie46%2Fmandelbrot-explorer" "/workspace/builds/worker-0/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ritchie46/mandelbrot-explorer on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/ritchie46/mandelbrot-explorer [INFO] finished tweaking git repo https://github.com/ritchie46/mandelbrot-explorer [INFO] tweaked toml for git repo https://github.com/ritchie46/mandelbrot-explorer written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/ritchie46/mandelbrot-explorer already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 8255dce6e98c245ae61dc8caa51c47fb161fe2299d4c25822e6a8e0e7dfb5ad2 [INFO] running `"docker" "start" "-a" "8255dce6e98c245ae61dc8caa51c47fb161fe2299d4c25822e6a8e0e7dfb5ad2"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling libc v0.2.67 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.58 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling syn v1.0.16 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling adler32 v1.0.4 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling bumpalo v3.2.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling lzw v0.10.0 [INFO] [stderr] Compiling wasm-bindgen v0.2.58 [INFO] [stderr] Compiling wee_alloc v0.4.5 [INFO] [stderr] Compiling color_quant v1.0.1 [INFO] [stderr] Compiling bytemuck v1.2.0 [INFO] [stderr] Compiling memory_units v0.4.0 [INFO] [stderr] Compiling scoped_threadpool v0.1.9 [INFO] [stderr] Compiling miniz_oxide v0.3.6 [INFO] [stderr] Compiling inflate v0.4.5 [INFO] [stderr] Compiling gif v0.10.3 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-rational v0.2.3 [INFO] [stderr] Compiling num-iter v0.1.40 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling deflate v0.7.20 [INFO] [stderr] Compiling num_cpus v1.12.0 [INFO] [stderr] Compiling tiff v0.4.0 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling png v0.15.3 [INFO] [stderr] Compiling crossbeam-queue v0.2.1 [INFO] [stderr] Compiling crossbeam-channel v0.4.2 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling crossbeam v0.7.3 [INFO] [stderr] Compiling rayon v1.3.0 [INFO] [stderr] Compiling num v0.2.1 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.58 [INFO] [stderr] Compiling jpeg-decoder v0.1.18 [INFO] [stderr] Compiling image v0.23.0 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.58 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.58 [INFO] [stderr] Compiling console_error_panic_hook v0.1.6 [INFO] [stderr] Compiling mandelbrot v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::time` [INFO] [stderr] --> src/mandelbrot.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::time; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main` [INFO] [stderr] --> src/mandelbrot.rs:113:4 [INFO] [stderr] | [INFO] [stderr] 113 | fn main(args: &[&str]) { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/mandelbrot.rs:84:5 [INFO] [stderr] | [INFO] [stderr] 84 | encoder.encode(&pixels, bounds.0 as u32, bounds.1 as u32, ColorType::L8); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 07s [INFO] running `"docker" "inspect" "8255dce6e98c245ae61dc8caa51c47fb161fe2299d4c25822e6a8e0e7dfb5ad2"` [INFO] running `"docker" "rm" "-f" "8255dce6e98c245ae61dc8caa51c47fb161fe2299d4c25822e6a8e0e7dfb5ad2"` [INFO] [stdout] 8255dce6e98c245ae61dc8caa51c47fb161fe2299d4c25822e6a8e0e7dfb5ad2 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] cd8cc6f2c6bedb27b5b4ee845baff2de630bfe54910c8db2401c13c212c9c109 [INFO] running `"docker" "start" "-a" "cd8cc6f2c6bedb27b5b4ee845baff2de630bfe54910c8db2401c13c212c9c109"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling scoped-tls v1.0.0 [INFO] [stderr] Compiling wasm-bindgen-test-macro v0.3.8 [INFO] [stderr] Compiling js-sys v0.3.35 [INFO] [stderr] warning: unused import: `std::time` [INFO] [stderr] --> src/mandelbrot.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::time; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main` [INFO] [stderr] --> src/mandelbrot.rs:113:4 [INFO] [stderr] | [INFO] [stderr] 113 | fn main(args: &[&str]) { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/mandelbrot.rs:84:5 [INFO] [stderr] | [INFO] [stderr] 84 | encoder.encode(&pixels, bounds.0 as u32, bounds.1 as u32, ColorType::L8); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Compiling wasm-bindgen-futures v0.4.8 [INFO] [stderr] Compiling wasm-bindgen-test v0.3.8 [INFO] [stderr] Compiling mandelbrot v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::time` [INFO] [stderr] --> src/mandelbrot.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::time; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main` [INFO] [stderr] --> src/mandelbrot.rs:113:4 [INFO] [stderr] | [INFO] [stderr] 113 | fn main(args: &[&str]) { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/mandelbrot.rs:84:5 [INFO] [stderr] | [INFO] [stderr] 84 | encoder.encode(&pixels, bounds.0 as u32, bounds.1 as u32, ColorType::L8); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 12.46s [INFO] running `"docker" "inspect" "cd8cc6f2c6bedb27b5b4ee845baff2de630bfe54910c8db2401c13c212c9c109"` [INFO] running `"docker" "rm" "-f" "cd8cc6f2c6bedb27b5b4ee845baff2de630bfe54910c8db2401c13c212c9c109"` [INFO] [stdout] cd8cc6f2c6bedb27b5b4ee845baff2de630bfe54910c8db2401c13c212c9c109 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 207f958b1af999d5979ef95fa51c0af59f52071d14ec7af62914ecb099b64e79 [INFO] running `"docker" "start" "-a" "207f958b1af999d5979ef95fa51c0af59f52071d14ec7af62914ecb099b64e79"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused import: `std::time` [INFO] [stderr] --> src/mandelbrot.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::time; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main` [INFO] [stderr] --> src/mandelbrot.rs:113:4 [INFO] [stderr] | [INFO] [stderr] 113 | fn main(args: &[&str]) { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::time` [INFO] [stderr] --> src/mandelbrot.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::time; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main` [INFO] [stderr] --> src/mandelbrot.rs:113:4 [INFO] [stderr] | [INFO] [stderr] 113 | fn main(args: &[&str]) { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/mandelbrot.rs:84:5 [INFO] [stderr] | [INFO] [stderr] 84 | encoder.encode(&pixels, bounds.0 as u32, bounds.1 as u32, ColorType::L8); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/mandelbrot.rs:84:5 [INFO] [stderr] | [INFO] [stderr] 84 | encoder.encode(&pixels, bounds.0 as u32, bounds.1 as u32, ColorType::L8); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.18s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/mandelbrot-033ffaff690944cb [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test mandelbrot::test::test_parse_complex ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/mandelbrot_cli-4475a5c5e5b7f6d5 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests mandelbrot [INFO] [stderr] error[E0659]: `mandelbrot` is ambiguous (name vs any other name during import resolution) [INFO] [stderr] --> /opt/rustwide/workdir/src/lib.rs:2:9 [INFO] [stderr] | [INFO] [stderr] 2 | pub use mandelbrot::{parse_complex, parse_pair, render_concurrently, render, write_image}; [INFO] [stderr] | ^^^^^^^^^^ ambiguous name [INFO] [stderr] | [INFO] [stderr] = note: `mandelbrot` could refer to a crate passed with `--extern` [INFO] [stderr] = help: use `::mandelbrot` to refer to this crate unambiguously [INFO] [stderr] note: `mandelbrot` could also refer to the module defined here [INFO] [stderr] --> /opt/rustwide/workdir/src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | pub mod mandelbrot; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] = help: use `crate::mandelbrot` to refer to this module unambiguously [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0659`. [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `"docker" "inspect" "207f958b1af999d5979ef95fa51c0af59f52071d14ec7af62914ecb099b64e79"` [INFO] running `"docker" "rm" "-f" "207f958b1af999d5979ef95fa51c0af59f52071d14ec7af62914ecb099b64e79"` [INFO] [stdout] 207f958b1af999d5979ef95fa51c0af59f52071d14ec7af62914ecb099b64e79