[INFO] cloning repository https://github.com/ejom/workspace2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ejom/workspace2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fejom%2Fworkspace2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fejom%2Fworkspace2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 80ce793f32bff4812210c55bc1f198ac1e0e89c2
[INFO] checking ejom/workspace2 against try#b10dae361a61486cfbdcd3aae3877ee17e00d192 for pr-153912
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fejom%2Fworkspace2" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ejom/workspace2
[INFO] finished tweaking git repo https://github.com/ejom/workspace2
[INFO] tweaked toml for git repo https://github.com/ejom/workspace2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ejom/workspace2 on toolchain b10dae361a61486cfbdcd3aae3877ee17e00d192
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b10dae361a61486cfbdcd3aae3877ee17e00d192" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ejom/workspace2 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" "+b10dae361a61486cfbdcd3aae3877ee17e00d192" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+b10dae361a61486cfbdcd3aae3877ee17e00d192" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 403a9d4caf31a5a761c3a986b235cfa63e590db89d833058e663701df581912c
[INFO] running `Command { std: "docker" "start" "-a" "403a9d4caf31a5a761c3a986b235cfa63e590db89d833058e663701df581912c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "403a9d4caf31a5a761c3a986b235cfa63e590db89d833058e663701df581912c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "403a9d4caf31a5a761c3a986b235cfa63e590db89d833058e663701df581912c", kill_on_drop: false }`
[INFO] [stdout] 403a9d4caf31a5a761c3a986b235cfa63e590db89d833058e663701df581912c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+b10dae361a61486cfbdcd3aae3877ee17e00d192" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7966b77b4eba34ce34c11b7577fc453cd7ddce34ff3e43d15f957fc143b43e76
[INFO] running `Command { std: "docker" "start" "-a" "7966b77b4eba34ce34c11b7577fc453cd7ddce34ff3e43d15f957fc143b43e76", kill_on_drop: false }`
[INFO] [stderr]     Checking evalexpr v9.1.0
[INFO] [stderr]     Checking workspace2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `values`
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let values: Vec<f64> = loop {
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_values`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `input_values` is never read
[INFO] [stdout]   --> src/main.rs:10:32
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let mut input_values = String::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] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `values`
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let values: Vec<f64> = loop {
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_values`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `input_values` is never read
[INFO] [stdout]   --> src/main.rs:10:32
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let mut input_values = String::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 0.52s
[INFO] running `Command { std: "docker" "inspect" "7966b77b4eba34ce34c11b7577fc453cd7ddce34ff3e43d15f957fc143b43e76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7966b77b4eba34ce34c11b7577fc453cd7ddce34ff3e43d15f957fc143b43e76", kill_on_drop: false }`
[INFO] [stdout] 7966b77b4eba34ce34c11b7577fc453cd7ddce34ff3e43d15f957fc143b43e76