[INFO] cloning repository https://github.com/Asafrose/random-algorithms-homework
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Asafrose/random-algorithms-homework" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAsafrose%2Frandom-algorithms-homework", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAsafrose%2Frandom-algorithms-homework'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f0b5b73c9fc2e8685e58b6996fc92f419c475d6d
[INFO] testing Asafrose/random-algorithms-homework against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAsafrose%2Frandom-algorithms-homework" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Asafrose/random-algorithms-homework
[INFO] finished tweaking git repo https://github.com/Asafrose/random-algorithms-homework
[INFO] tweaked toml for git repo https://github.com/Asafrose/random-algorithms-homework written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Asafrose/random-algorithms-homework on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Asafrose/random-algorithms-homework already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f31364111c44ebe7560a1cee266290cbf8a075ceb7cdd9f975f2810cefadcc8
[INFO] running `Command { std: "docker" "start" "-a" "6f31364111c44ebe7560a1cee266290cbf8a075ceb7cdd9f975f2810cefadcc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f31364111c44ebe7560a1cee266290cbf8a075ceb7cdd9f975f2810cefadcc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f31364111c44ebe7560a1cee266290cbf8a075ceb7cdd9f975f2810cefadcc8", kill_on_drop: false }`
[INFO] [stdout] 6f31364111c44ebe7560a1cee266290cbf8a075ceb7cdd9f975f2810cefadcc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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 -Copt-level=3" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b82d8786734ceacb5d3c090cf731dcbfcc869e524fe5267f8e9e0355ba34937
[INFO] running `Command { std: "docker" "start" "-a" "0b82d8786734ceacb5d3c090cf731dcbfcc869e524fe5267f8e9e0355ba34937", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling pulldown-cmark v0.9.1
[INFO] [stderr]    Compiling libm v0.2.2
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling rayon-core v1.9.2
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling rayon v1.5.2
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling nameof v1.2.2
[INFO] [stderr]    Compiling crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling console v0.15.0
[INFO] [stderr]    Compiling clap v3.1.11
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling pulldown-cmark-to-cmark v10.0.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling indicatif v0.16.2
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling clap-md v0.1.0 (https://github.com/Asafrose/clap-md#f39fa6e8)
[INFO] [stderr]    Compiling random-algorithms-homework v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/q3/matrix.rs:43:21
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn iter_mut(&mut self) -> impl Iterator<Item = MatrixRow<TItem>> {
[INFO] [stdout]    |                     ^^^^^^^^^                          ---------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn iter_mut(&mut self) -> impl Iterator<Item = MatrixRow<'_, TItem>> {
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "0b82d8786734ceacb5d3c090cf731dcbfcc869e524fe5267f8e9e0355ba34937", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b82d8786734ceacb5d3c090cf731dcbfcc869e524fe5267f8e9e0355ba34937", kill_on_drop: false }`
[INFO] [stdout] 0b82d8786734ceacb5d3c090cf731dcbfcc869e524fe5267f8e9e0355ba34937
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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 -Copt-level=3" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b3ad43cbc759319878905582d67ed121ba6edb2f1b2696b702cd819932f2c33
[INFO] running `Command { std: "docker" "start" "-a" "9b3ad43cbc759319878905582d67ed121ba6edb2f1b2696b702cd819932f2c33", kill_on_drop: false }`
[INFO] [stderr]    Compiling random-algorithms-homework v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/q3/matrix.rs:43:21
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn iter_mut(&mut self) -> impl Iterator<Item = MatrixRow<TItem>> {
[INFO] [stdout]    |                     ^^^^^^^^^                          ---------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn iter_mut(&mut self) -> impl Iterator<Item = MatrixRow<'_, TItem>> {
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "9b3ad43cbc759319878905582d67ed121ba6edb2f1b2696b702cd819932f2c33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b3ad43cbc759319878905582d67ed121ba6edb2f1b2696b702cd819932f2c33", kill_on_drop: false }`
[INFO] [stdout] 9b3ad43cbc759319878905582d67ed121ba6edb2f1b2696b702cd819932f2c33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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 -Copt-level=3" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 41a09bd580e7903a5182bdd8212669df90442e8757409d30f79f761bb45dc225
[INFO] running `Command { std: "docker" "start" "-a" "41a09bd580e7903a5182bdd8212669df90442e8757409d30f79f761bb45dc225", kill_on_drop: false }`
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/q3/matrix.rs:43:21
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn iter_mut(&mut self) -> impl Iterator<Item = MatrixRow<TItem>> {
[INFO] [stderr]    |                     ^^^^^^^^^                          ---------------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn iter_mut(&mut self) -> impl Iterator<Item = MatrixRow<'_, TItem>> {
[INFO] [stderr]    |                                                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: `random-algorithms-homework` (bin "random-algorithms-homework" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/random_algorithms_homework-701baff003da06ae)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "41a09bd580e7903a5182bdd8212669df90442e8757409d30f79f761bb45dc225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41a09bd580e7903a5182bdd8212669df90442e8757409d30f79f761bb45dc225", kill_on_drop: false }`
[INFO] [stdout] 41a09bd580e7903a5182bdd8212669df90442e8757409d30f79f761bb45dc225
