[INFO] cloning repository https://github.com/palmaa/Rust-merge-sort
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/palmaa/Rust-merge-sort" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpalmaa%2FRust-merge-sort", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpalmaa%2FRust-merge-sort'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a9002c2212fe745f24ee7131c88972e858dc7217
[INFO] testing palmaa/Rust-merge-sort against 1.91.0 for beta-1.92-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpalmaa%2FRust-merge-sort" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/palmaa/Rust-merge-sort
[INFO] finished tweaking git repo https://github.com/palmaa/Rust-merge-sort
[INFO] tweaked toml for git repo https://github.com/palmaa/Rust-merge-sort written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/palmaa/Rust-merge-sort on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/palmaa/Rust-merge-sort 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 479030e04355cb61b7aa7cbe519429522a35cc52d1a426b0b501f68ccd0ac4a6
[INFO] running `Command { std: "docker" "start" "-a" "479030e04355cb61b7aa7cbe519429522a35cc52d1a426b0b501f68ccd0ac4a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "479030e04355cb61b7aa7cbe519429522a35cc52d1a426b0b501f68ccd0ac4a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "479030e04355cb61b7aa7cbe519429522a35cc52d1a426b0b501f68ccd0ac4a6", kill_on_drop: false }`
[INFO] [stdout] 479030e04355cb61b7aa7cbe519429522a35cc52d1a426b0b501f68ccd0ac4a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b71f1a9032dfa250a091fbe412ef8cb141c450873aa4c5422f45e02c888449be
[INFO] running `Command { std: "docker" "start" "-a" "b71f1a9032dfa250a091fbe412ef8cb141c450873aa4c5422f45e02c888449be", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling common_collections v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `sorted_vector` is never read
[INFO] [stdout]    --> src/main.rs:181:13
[INFO] [stdout]     |
[INFO] [stdout] 181 |     let mut sorted_vector : Vec<i32> = Vec::new();
[INFO] [stdout]     |             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.48s
[INFO] running `Command { std: "docker" "inspect" "b71f1a9032dfa250a091fbe412ef8cb141c450873aa4c5422f45e02c888449be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b71f1a9032dfa250a091fbe412ef8cb141c450873aa4c5422f45e02c888449be", kill_on_drop: false }`
[INFO] [stdout] b71f1a9032dfa250a091fbe412ef8cb141c450873aa4c5422f45e02c888449be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec6505200e47016343d58fe3eeb440c6cb68b24e694ff2ad01352eca9ce440df
[INFO] running `Command { std: "docker" "start" "-a" "ec6505200e47016343d58fe3eeb440c6cb68b24e694ff2ad01352eca9ce440df", kill_on_drop: false }`
[INFO] [stderr]    Compiling common_collections v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `sorted_vector` is never read
[INFO] [stdout]    --> src/main.rs:181:13
[INFO] [stdout]     |
[INFO] [stdout] 181 |     let mut sorted_vector : Vec<i32> = Vec::new();
[INFO] [stdout]     |             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "ec6505200e47016343d58fe3eeb440c6cb68b24e694ff2ad01352eca9ce440df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec6505200e47016343d58fe3eeb440c6cb68b24e694ff2ad01352eca9ce440df", kill_on_drop: false }`
[INFO] [stdout] ec6505200e47016343d58fe3eeb440c6cb68b24e694ff2ad01352eca9ce440df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cf3c23a3cba18bc8905c6af743c4dff33dc962846819278a2bfb8d3ebecd17f5
[INFO] running `Command { std: "docker" "start" "-a" "cf3c23a3cba18bc8905c6af743c4dff33dc962846819278a2bfb8d3ebecd17f5", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `sorted_vector` is never read
[INFO] [stderr]    --> src/main.rs:181:13
[INFO] [stderr]     |
[INFO] [stderr] 181 |     let mut sorted_vector : Vec<i32> = Vec::new();
[INFO] [stderr]     |             ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `common_collections` (bin "common_collections" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/common_collections-6f5970d4fe559d84)
[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" "cf3c23a3cba18bc8905c6af743c4dff33dc962846819278a2bfb8d3ebecd17f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf3c23a3cba18bc8905c6af743c4dff33dc962846819278a2bfb8d3ebecd17f5", kill_on_drop: false }`
[INFO] [stdout] cf3c23a3cba18bc8905c6af743c4dff33dc962846819278a2bfb8d3ebecd17f5