[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] checking pard68/temperature_converter against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpard68%2Ftemperature_converter" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pard68/temperature_converter on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "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-0/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" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0fbe53c82ed5b86be14c527a4e29264f56762fbf8fa6f036db5013fc2974204a
[INFO] running `Command { std: "docker" "start" "-a" "0fbe53c82ed5b86be14c527a4e29264f56762fbf8fa6f036db5013fc2974204a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fbe53c82ed5b86be14c527a4e29264f56762fbf8fa6f036db5013fc2974204a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fbe53c82ed5b86be14c527a4e29264f56762fbf8fa6f036db5013fc2974204a", kill_on_drop: false }`
[INFO] [stdout] 0fbe53c82ed5b86be14c527a4e29264f56762fbf8fa6f036db5013fc2974204a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db6e6f519f14c308faa5e5602f0ce8b0c0e59e73d5aa946887e45ea9bbb9763d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "db6e6f519f14c308faa5e5602f0ce8b0c0e59e73d5aa946887e45ea9bbb9763d", kill_on_drop: false }`
[INFO] [stderr]     Checking 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] [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 dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "db6e6f519f14c308faa5e5602f0ce8b0c0e59e73d5aa946887e45ea9bbb9763d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db6e6f519f14c308faa5e5602f0ce8b0c0e59e73d5aa946887e45ea9bbb9763d", kill_on_drop: false }`
[INFO] [stdout] db6e6f519f14c308faa5e5602f0ce8b0c0e59e73d5aa946887e45ea9bbb9763d