[INFO] cloning repository https://github.com/pard68/temperature_converter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pard68/temperature_converter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpard68%2Ftemperature_converter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpard68%2Ftemperature_converter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 139d39400a5a8880b1098c3976e4775223d6912c
[INFO] testing pard68/temperature_converter against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpard68%2Ftemperature_converter" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pard68/temperature_converter on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pard68/temperature_converter
[INFO] finished tweaking git repo https://github.com/pard68/temperature_converter
[INFO] tweaked toml for git repo https://github.com/pard68/temperature_converter written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/pard68/temperature_converter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f444d6b14b0a9027fd18014be3dd1dfad9cb8c348bed2f8ab27eb24e55e47d5e
[INFO] running `Command { std: "docker" "start" "-a" "f444d6b14b0a9027fd18014be3dd1dfad9cb8c348bed2f8ab27eb24e55e47d5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f444d6b14b0a9027fd18014be3dd1dfad9cb8c348bed2f8ab27eb24e55e47d5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f444d6b14b0a9027fd18014be3dd1dfad9cb8c348bed2f8ab27eb24e55e47d5e", kill_on_drop: false }`
[INFO] [stdout] f444d6b14b0a9027fd18014be3dd1dfad9cb8c348bed2f8ab27eb24e55e47d5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be43490f4d2ecf11097cc9bbbc5d5773105b53f14d68f78e9be0a3778ae51c19
[INFO] running `Command { std: "docker" "start" "-a" "be43490f4d2ecf11097cc9bbbc5d5773105b53f14d68f78e9be0a3778ae51c19", kill_on_drop: false }`
[INFO] [stderr]    Compiling temp_con v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `k_to_c`
[INFO] [stdout]   --> src/temperature/temperature_conversions.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn k_to_c(k: f32) -> f32 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `k_to_f`
[INFO] [stdout]   --> src/temperature/temperature_conversions.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn k_to_f(k: f32) -> f32 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Unit`
[INFO] [stdout]  --> src/temperature/mod.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Unit {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_kelvin`
[INFO] [stdout]   --> src/temperature/mod.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn from_kelvin(mut self, temp: f32) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "be43490f4d2ecf11097cc9bbbc5d5773105b53f14d68f78e9be0a3778ae51c19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be43490f4d2ecf11097cc9bbbc5d5773105b53f14d68f78e9be0a3778ae51c19", kill_on_drop: false }`
[INFO] [stdout] be43490f4d2ecf11097cc9bbbc5d5773105b53f14d68f78e9be0a3778ae51c19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 877fea3aaf2061fb07a68b565566d809018c000480eb9a005691e1fc90a875f0
[INFO] running `Command { std: "docker" "start" "-a" "877fea3aaf2061fb07a68b565566d809018c000480eb9a005691e1fc90a875f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling temp_con v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `k_to_c`
[INFO] [stdout]   --> src/temperature/temperature_conversions.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn k_to_c(k: f32) -> f32 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `k_to_f`
[INFO] [stdout]   --> src/temperature/temperature_conversions.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn k_to_f(k: f32) -> f32 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Unit`
[INFO] [stdout]  --> src/temperature/mod.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Unit {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_kelvin`
[INFO] [stdout]   --> src/temperature/mod.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn from_kelvin(mut self, temp: f32) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "877fea3aaf2061fb07a68b565566d809018c000480eb9a005691e1fc90a875f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "877fea3aaf2061fb07a68b565566d809018c000480eb9a005691e1fc90a875f0", kill_on_drop: false }`
[INFO] [stdout] 877fea3aaf2061fb07a68b565566d809018c000480eb9a005691e1fc90a875f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9ae6be8ebfdb754220520d7a7dc450ce0ba0bac2a9a2a1e0d46fe5c6dd21c5cb
[INFO] running `Command { std: "docker" "start" "-a" "9ae6be8ebfdb754220520d7a7dc450ce0ba0bac2a9a2a1e0d46fe5c6dd21c5cb", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `k_to_c`
[INFO] [stderr]   --> src/temperature/temperature_conversions.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn k_to_c(k: f32) -> f32 {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `k_to_f`
[INFO] [stderr]   --> src/temperature/temperature_conversions.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn k_to_f(k: f32) -> f32 {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Unit`
[INFO] [stderr]  --> src/temperature/mod.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub enum Unit {
[INFO] [stderr]   |          ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `from_kelvin`
[INFO] [stderr]   --> src/temperature/mod.rs:40:12
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn from_kelvin(mut self, temp: f32) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `temp_con` (bin "temp_con" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/temp_con-3b3a59bcf6ea7cf6)
[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" "9ae6be8ebfdb754220520d7a7dc450ce0ba0bac2a9a2a1e0d46fe5c6dd21c5cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ae6be8ebfdb754220520d7a7dc450ce0ba0bac2a9a2a1e0d46fe5c6dd21c5cb", kill_on_drop: false }`
[INFO] [stdout] 9ae6be8ebfdb754220520d7a7dc450ce0ba0bac2a9a2a1e0d46fe5c6dd21c5cb