[INFO] cloning repository https://github.com/echoLC/currency-tool-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/echoLC/currency-tool-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FechoLC%2Fcurrency-tool-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FechoLC%2Fcurrency-tool-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e3c24137d22bc91d3a5e8e164d172bf92b239b1f
[INFO] checking echoLC/currency-tool-rs against try#6757d700f93f6d16c8b39cf79e96b019bd570e7d for pr-155299
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FechoLC%2Fcurrency-tool-rs" "/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/echoLC/currency-tool-rs
[INFO] finished tweaking git repo https://github.com/echoLC/currency-tool-rs
[INFO] tweaked toml for git repo https://github.com/echoLC/currency-tool-rs written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/echoLC/currency-tool-rs on toolchain 6757d700f93f6d16c8b39cf79e96b019bd570e7d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6757d700f93f6d16c8b39cf79e96b019bd570e7d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/echoLC/currency-tool-rs 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" "+6757d700f93f6d16c8b39cf79e96b019bd570e7d" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+6757d700f93f6d16c8b39cf79e96b019bd570e7d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a952a316b71bee5a36655595bba0d07d5bfedfad6496f70cb81cd1f83e6c31cb
[INFO] running `Command { std: "docker" "start" "-a" "a952a316b71bee5a36655595bba0d07d5bfedfad6496f70cb81cd1f83e6c31cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a952a316b71bee5a36655595bba0d07d5bfedfad6496f70cb81cd1f83e6c31cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a952a316b71bee5a36655595bba0d07d5bfedfad6496f70cb81cd1f83e6c31cb", kill_on_drop: false }`
[INFO] [stdout] a952a316b71bee5a36655595bba0d07d5bfedfad6496f70cb81cd1f83e6c31cb
[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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+6757d700f93f6d16c8b39cf79e96b019bd570e7d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f600ad9b1545a61867d701fd5273845c52cc01b2a319e90f6da4db7cd26fe755
[INFO] running `Command { std: "docker" "start" "-a" "f600ad9b1545a61867d701fd5273845c52cc01b2a319e90f6da4db7cd26fe755", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking currency_tool_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `to_rate` is never read
[INFO] [stdout]   --> src/lib.rs:37:26
[INFO] [stdout]    |
[INFO] [stdout] 37 |   let mut to_rate: f64 = 1.0;
[INFO] [stdout]    |                          ^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 55 |     to_rate = rates.cny;
[INFO] [stdout]    |     ------------------- `to_rate` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `from_rate` is never read
[INFO] [stdout]   --> src/lib.rs:38:28
[INFO] [stdout]    |
[INFO] [stdout] 38 |   let mut from_rate: f64 = 1.0;
[INFO] [stdout]    |                            ^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 45 |     from_rate = rates.cny;
[INFO] [stdout]    |     --------------------- `from_rate` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `to_rate` is never read
[INFO] [stdout]   --> src/lib.rs:37:26
[INFO] [stdout]    |
[INFO] [stdout] 37 |   let mut to_rate: f64 = 1.0;
[INFO] [stdout]    |                          ^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 55 |     to_rate = rates.cny;
[INFO] [stdout]    |     ------------------- `to_rate` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `from_rate` is never read
[INFO] [stdout]   --> src/lib.rs:38:28
[INFO] [stdout]    |
[INFO] [stdout] 38 |   let mut from_rate: f64 = 1.0;
[INFO] [stdout]    |                            ^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 45 |     from_rate = rates.cny;
[INFO] [stdout]    |     --------------------- `from_rate` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.59s
[INFO] running `Command { std: "docker" "inspect" "f600ad9b1545a61867d701fd5273845c52cc01b2a319e90f6da4db7cd26fe755", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f600ad9b1545a61867d701fd5273845c52cc01b2a319e90f6da4db7cd26fe755", kill_on_drop: false }`
[INFO] [stdout] f600ad9b1545a61867d701fd5273845c52cc01b2a319e90f6da4db7cd26fe755
