[INFO] cloning repository https://github.com/chrexter/algorithms_and_data-structures
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chrexter/algorithms_and_data-structures" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrexter%2Falgorithms_and_data-structures", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrexter%2Falgorithms_and_data-structures'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8bb7f667f9f78c38b0b070a71d54289b6e93a1ba
[INFO] testing chrexter/algorithms_and_data-structures against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrexter%2Falgorithms_and_data-structures" "/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/chrexter/algorithms_and_data-structures
[INFO] finished tweaking git repo https://github.com/chrexter/algorithms_and_data-structures
[INFO] tweaked toml for git repo https://github.com/chrexter/algorithms_and_data-structures written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/chrexter/algorithms_and_data-structures on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/chrexter/algorithms_and_data-structures 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8fcca80e22a800610d25cfbc706a5c7aa7715ebc1649d68eff182fc5215983c4
[INFO] running `Command { std: "docker" "start" "-a" "8fcca80e22a800610d25cfbc706a5c7aa7715ebc1649d68eff182fc5215983c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fcca80e22a800610d25cfbc706a5c7aa7715ebc1649d68eff182fc5215983c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fcca80e22a800610d25cfbc706a5c7aa7715ebc1649d68eff182fc5215983c4", kill_on_drop: false }`
[INFO] [stdout] 8fcca80e22a800610d25cfbc706a5c7aa7715ebc1649d68eff182fc5215983c4
[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=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e88009e973aacc612089b08107af5dcd5bd2480192e0e54371b040b12e40cec1
[INFO] running `Command { std: "docker" "start" "-a" "e88009e973aacc612089b08107af5dcd5bd2480192e0e54371b040b12e40cec1", kill_on_drop: false }`
[INFO] [stderr]    Compiling algorithms_and_data-structures v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `temp`
[INFO] [stdout]    --> src/section_one/playground.rs:127:30
[INFO] [stdout]     |
[INFO] [stdout] 127 | pub fn temperature_converter(temp: u32) -> () {}
[INFO] [stdout]     |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_temp`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `temperature_converter` is never used
[INFO] [stdout]    --> src/section_one/playground.rs:127:8
[INFO] [stdout]     |
[INFO] [stdout] 127 | pub fn temperature_converter(temp: u32) -> () {}
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "e88009e973aacc612089b08107af5dcd5bd2480192e0e54371b040b12e40cec1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e88009e973aacc612089b08107af5dcd5bd2480192e0e54371b040b12e40cec1", kill_on_drop: false }`
[INFO] [stdout] e88009e973aacc612089b08107af5dcd5bd2480192e0e54371b040b12e40cec1
[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=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afa2d55dc861317bcd1dd5bcc336e47c147ab181c67ed72b24cfe330a2b66473
[INFO] running `Command { std: "docker" "start" "-a" "afa2d55dc861317bcd1dd5bcc336e47c147ab181c67ed72b24cfe330a2b66473", kill_on_drop: false }`
[INFO] [stderr]    Compiling algorithms_and_data-structures v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `temp`
[INFO] [stdout]    --> src/section_one/playground.rs:127:30
[INFO] [stdout]     |
[INFO] [stdout] 127 | pub fn temperature_converter(temp: u32) -> () {}
[INFO] [stdout]     |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_temp`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `temperature_converter` is never used
[INFO] [stdout]    --> src/section_one/playground.rs:127:8
[INFO] [stdout]     |
[INFO] [stdout] 127 | pub fn temperature_converter(temp: u32) -> () {}
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "afa2d55dc861317bcd1dd5bcc336e47c147ab181c67ed72b24cfe330a2b66473", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afa2d55dc861317bcd1dd5bcc336e47c147ab181c67ed72b24cfe330a2b66473", kill_on_drop: false }`
[INFO] [stdout] afa2d55dc861317bcd1dd5bcc336e47c147ab181c67ed72b24cfe330a2b66473
[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=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2b08380c2f2d763157d5ad9576a4c0c9b19fd9fc12b277b5a2dbaf53b149d0c8
[INFO] running `Command { std: "docker" "start" "-a" "2b08380c2f2d763157d5ad9576a4c0c9b19fd9fc12b277b5a2dbaf53b149d0c8", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `temp`
[INFO] [stderr]    --> src/section_one/playground.rs:127:30
[INFO] [stderr]     |
[INFO] [stderr] 127 | pub fn temperature_converter(temp: u32) -> () {}
[INFO] [stderr]     |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_temp`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `temperature_converter` is never used
[INFO] [stderr]    --> src/section_one/playground.rs:127:8
[INFO] [stderr]     |
[INFO] [stderr] 127 | pub fn temperature_converter(temp: u32) -> () {}
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `algorithms_and_data-structures` (bin "algorithms_and_data-structures" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/algorithms_and_data_structures-71729ecea2ed8bbd)
[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" "2b08380c2f2d763157d5ad9576a4c0c9b19fd9fc12b277b5a2dbaf53b149d0c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b08380c2f2d763157d5ad9576a4c0c9b19fd9fc12b277b5a2dbaf53b149d0c8", kill_on_drop: false }`
[INFO] [stdout] 2b08380c2f2d763157d5ad9576a4c0c9b19fd9fc12b277b5a2dbaf53b149d0c8