[INFO] cloning repository https://github.com/IThawk/rust-learn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/IThawk/rust-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIThawk%2Frust-learn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIThawk%2Frust-learn'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6830f51f9b32aa373ffdc9a12bcb2df1b8503eb3 [INFO] testing IThawk/rust-learn against try#61cd42370816fd135c0f3b9debf2f5dfcf194594 for pr-98839 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIThawk%2Frust-learn" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/IThawk/rust-learn on toolchain 61cd42370816fd135c0f3b9debf2f5dfcf194594 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+61cd42370816fd135c0f3b9debf2f5dfcf194594" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/IThawk/rust-learn [INFO] finished tweaking git repo https://github.com/IThawk/rust-learn [INFO] tweaked toml for git repo https://github.com/IThawk/rust-learn written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/IThawk/rust-learn already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+61cd42370816fd135c0f3b9debf2f5dfcf194594" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+61cd42370816fd135c0f3b9debf2f5dfcf194594" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8e92d5a6ba5bf7d9e3a62501bd94fd4c122a8f2f6eed15cfaab7648b392aaf77 [INFO] running `Command { std: "docker" "start" "-a" "8e92d5a6ba5bf7d9e3a62501bd94fd4c122a8f2f6eed15cfaab7648b392aaf77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8e92d5a6ba5bf7d9e3a62501bd94fd4c122a8f2f6eed15cfaab7648b392aaf77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e92d5a6ba5bf7d9e3a62501bd94fd4c122a8f2f6eed15cfaab7648b392aaf77", kill_on_drop: false }` [INFO] [stdout] 8e92d5a6ba5bf7d9e3a62501bd94fd4c122a8f2f6eed15cfaab7648b392aaf77 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+61cd42370816fd135c0f3b9debf2f5dfcf194594" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e1adc667fd5efa15ffcec794d5f0cd0c981c9d58c4fd02fa2dbea3dc9f2c60f6 [INFO] running `Command { std: "docker" "start" "-a" "e1adc667fd5efa15ffcec794d5f0cd0c981c9d58c4fd02fa2dbea3dc9f2c60f6", kill_on_drop: false }` [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.85 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling once_cell v1.9.0 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling bytes v1.1.0 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling pin-project-lite v0.2.8 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling smallvec v1.8.0 [INFO] [stderr] Compiling futures-core v0.3.19 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling crossbeam-utils v0.8.6 [INFO] [stderr] Compiling serde_derive v1.0.133 [INFO] [stderr] Compiling itoa v1.0.1 [INFO] [stderr] Compiling futures-task v0.3.19 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.78 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Compiling serde v1.0.133 [INFO] [stderr] Compiling pkg-config v0.3.24 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling futures-util v0.3.19 [INFO] [stderr] Compiling crossbeam-epoch v0.9.6 [INFO] [stderr] Compiling crc32fast v1.3.0 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling bumpalo v3.9.1 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling anyhow v1.0.52 [INFO] [stderr] Compiling futures-sink v0.3.19 [INFO] [stderr] Compiling siphasher v0.3.9 [INFO] [stderr] Compiling tower-service v0.3.1 [INFO] [stderr] Compiling foreign-types-shared v0.1.1 [INFO] [stderr] Compiling wasm-bindgen v0.2.78 [INFO] [stderr] Compiling openssl v0.10.38 [INFO] [stderr] Compiling httparse v1.5.1 [INFO] [stderr] Compiling futures-channel v0.3.19 [INFO] [stderr] Compiling matches v0.1.9 [INFO] [stderr] Compiling percent-encoding v2.1.0 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling ryu v1.0.9 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling slab v0.4.5 [INFO] [stderr] Compiling tinyvec_macros v0.1.0 [INFO] [stderr] Compiling alloc-no-stdlib v2.0.3 [INFO] [stderr] Compiling try-lock v0.2.3 [INFO] [stderr] Compiling native-tls v0.2.8 [INFO] [stderr] Compiling serde_json v1.0.75 [INFO] [stderr] Compiling adler32 v1.2.0 [INFO] [stderr] Compiling matrixmultiply v0.1.15 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling weezl v0.1.5 [INFO] [stderr] Compiling openssl-probe v0.1.5 [INFO] [stderr] Compiling httpdate v1.0.2 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling const_fn v0.4.9 [INFO] [stderr] Compiling encoding_rs v0.8.30 [INFO] [stderr] Compiling color_quant v1.1.0 [INFO] [stderr] Compiling rawpointer v0.1.0 [INFO] [stderr] Compiling unicode-bidi v0.3.7 [INFO] [stderr] Compiling fixedbitset v0.2.0 [INFO] [stderr] Compiling fastrand v1.6.0 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Compiling ttf-parser v0.6.2 [INFO] [stderr] Compiling base64 v0.13.0 [INFO] [stderr] Compiling tower-layer v0.3.1 [INFO] [stderr] Compiling async-trait v0.1.52 [INFO] [stderr] Compiling multimap v0.8.3 [INFO] [stderr] Compiling ab_glyph_rasterizer v0.1.5 [INFO] [stderr] Compiling custom_derive v0.1.7 [INFO] [stderr] Compiling scoped_threadpool v0.1.9 [INFO] [stderr] Compiling bytemuck v1.7.3 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Compiling ipnet v2.3.1 [INFO] [stderr] Compiling mime v0.3.16 [INFO] [stderr] Compiling sync_wrapper v0.1.1 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling termcolor v1.1.2 [INFO] [stderr] Compiling perlin2d v0.2.6 [INFO] [stderr] Compiling textwrap v0.14.2 [INFO] [stderr] Compiling data_algorithm v0.1.0 (/opt/rustwide/workdir/data_algorithm) [INFO] [stderr] Compiling instant v0.1.12 [INFO] [stderr] Compiling tracing-core v0.1.21 [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> data_algorithm/src/back_track/n_queens.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `set_queen` is never used [INFO] [stdout] --> data_algorithm/src/back_track/n_queens.rs:26:4 [INFO] [stdout] | [INFO] [stdout] 26 | fn set_queen(n: i32, queens: &mut HashMap, queen_list: &mut Vec>, row: i32) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling sharded-slab v0.1.4 [INFO] [stdout] warning: function `print_queens` is never used [INFO] [stdout] --> data_algorithm/src/back_track/n_queens.rs:40:4 [INFO] [stdout] | [INFO] [stdout] 40 | fn print_queens(queens: &mut HashMap, queen_list: &mut Vec>, n: i32) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_ok` is never used [INFO] [stdout] --> data_algorithm/src/back_track/n_queens.rs:56:4 [INFO] [stdout] | [INFO] [stdout] 56 | fn is_ok(row: i32, col: i32, queens: &mut HashMap, n: i32) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_queen` is never used [INFO] [stdout] --> data_algorithm/src/back_track/n_queens.rs:86:4 [INFO] [stdout] | [INFO] [stdout] 86 | fn print_queen(re: &Vec>) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `solve_n_queens` is never used [INFO] [stdout] --> data_algorithm/src/back_track/n_queens.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn solve_n_queens(n: i32) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling lock_api v0.4.5 [INFO] [stderr] Compiling itertools v0.10.3 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling thread_local v1.1.3 [INFO] [stderr] Compiling ahash v0.7.6 [INFO] [stderr] Compiling standback v0.2.17 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling time v0.2.27 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling num-bigint v0.3.3 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling http v0.2.6 [INFO] [stderr] Compiling foreign-types v0.3.2 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling form_urlencoded v1.0.1 [INFO] [stderr] Compiling tinyvec v1.5.1 [INFO] [stderr] Compiling alloc-stdlib v0.2.1 [INFO] [stderr] Compiling miniz_oxide v0.3.7 [INFO] [stderr] Compiling deflate v0.8.6 [INFO] [stderr] Compiling gif v0.11.3 [INFO] [stderr] Compiling conv v0.3.3 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling getopts v0.2.21 [INFO] [stderr] Compiling openssl-sys v0.9.72 [INFO] [stderr] Compiling owned_ttf_parser v0.6.0 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling phf v0.8.0 [INFO] [stderr] Compiling brotli-decompressor v2.3.2 [INFO] [stderr] Compiling http-body v0.4.4 [INFO] [stderr] Compiling unicode-normalization v0.1.19 [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] Compiling tracing-log v0.1.2 [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stderr] Compiling rusttype v0.9.2 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling os_str_bytes v6.0.0 [INFO] [stderr] Compiling jsonxf v1.1.1 [INFO] [stderr] Compiling crossbeam-channel v0.5.2 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling getrandom v0.2.4 [INFO] [stderr] Compiling signal-hook-registry v1.4.0 [INFO] [stderr] Compiling mio v0.7.14 [INFO] [stderr] Compiling socket2 v0.4.2 [INFO] [stderr] Compiling which v4.2.2 [INFO] [stderr] Compiling tempfile v3.3.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling png v0.16.8 [INFO] [stderr] Compiling matchers v0.0.1 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling parking_lot v0.11.2 [INFO] [stderr] Compiling brotli v3.3.3 [INFO] [stderr] Compiling prost-build v0.8.0 [INFO] [stderr] Compiling colored v2.0.0 [INFO] [stderr] Compiling idna v0.2.3 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling flate2 v1.0.22 [INFO] [stderr] Compiling num-complex v0.3.1 [INFO] [stderr] Compiling approx v0.3.2 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling crossbeam-deque v0.8.1 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling url v2.2.2 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling rulinalg v0.4.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling lru v0.6.6 [INFO] [stderr] Compiling petgraph v0.5.1 [INFO] [stderr] Compiling phf_generator v0.8.0 [INFO] [stderr] Compiling rand_distr v0.2.2 [INFO] [stderr] Compiling phf_codegen v0.8.0 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.78 [INFO] [stderr] Compiling palette v0.5.0 [INFO] [stderr] Compiling num v0.3.1 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.78 [INFO] [stderr] Compiling jpeg-decoder v0.1.22 [INFO] [stderr] Compiling tiff v0.6.1 [INFO] [stderr] Compiling image v0.23.14 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling tracing-attributes v0.1.18 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.78 [INFO] [stderr] Compiling prost-derive v0.8.0 [INFO] [stderr] Compiling pin-project-internal v1.0.10 [INFO] [stderr] Compiling time-macros-impl v0.1.2 [INFO] [stderr] Compiling palette_derive v0.5.0 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling clap_derive v3.0.6 [INFO] [stderr] Compiling imageproc v0.22.0 [INFO] [stderr] Compiling time-macros v0.1.1 [INFO] [stderr] Compiling tokio v1.15.0 [INFO] [stderr] Compiling js-sys v0.3.55 [INFO] [stderr] Compiling console_error_panic_hook v0.1.7 [INFO] [stderr] Compiling web-sys v0.3.55 [INFO] [stderr] error: could not compile `tokio` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name tokio --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-1.15.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="bytes"' --cfg 'feature="default"' --cfg 'feature="fs"' --cfg 'feature="full"' --cfg 'feature="io-std"' --cfg 'feature="io-util"' --cfg 'feature="libc"' --cfg 'feature="macros"' --cfg 'feature="memchr"' --cfg 'feature="mio"' --cfg 'feature="net"' --cfg 'feature="num_cpus"' --cfg 'feature="once_cell"' --cfg 'feature="parking_lot"' --cfg 'feature="process"' --cfg 'feature="rt"' --cfg 'feature="rt-multi-thread"' --cfg 'feature="signal"' --cfg 'feature="signal-hook-registry"' --cfg 'feature="sync"' --cfg 'feature="time"' --cfg 'feature="tokio-macros"' --cfg 'feature="winapi"' -C metadata=059ce69933fe1256 -C extra-filename=-059ce69933fe1256 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-5e8424a0f7103369.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-afd8afe3a059e1c8.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-e6bbee201eb478c9.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-45b6ff906afbb5bd.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-266fedb888314087.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-e4834b062d069de1.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-b3c539c3a31da4aa.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-d4223cfaa04037d7.rmeta --extern signal_hook_registry=/opt/rustwide/target/debug/deps/libsignal_hook_registry-642e888b584a91d5.rmeta --extern tokio_macros=/opt/rustwide/target/debug/deps/libtokio_macros-02fe0df9f514a20a.so --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "e1adc667fd5efa15ffcec794d5f0cd0c981c9d58c4fd02fa2dbea3dc9f2c60f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1adc667fd5efa15ffcec794d5f0cd0c981c9d58c4fd02fa2dbea3dc9f2c60f6", kill_on_drop: false }` [INFO] [stdout] e1adc667fd5efa15ffcec794d5f0cd0c981c9d58c4fd02fa2dbea3dc9f2c60f6