[INFO] cloning repository https://github.com/miniman737/testProj
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/miniman737/testProj" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminiman737%2FtestProj", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminiman737%2FtestProj'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a7279a09ad1d754d40ce426d415bb1c091ac566
[INFO] checking miniman737/testProj against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminiman737%2FtestProj" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/miniman737/testProj
[INFO] finished tweaking git repo https://github.com/miniman737/testProj
[INFO] tweaked toml for git repo https://github.com/miniman737/testProj written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/miniman737/testProj on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/miniman737/testProj 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3639b4b2f285e032d279dc0899e3061020939e43252118e6cfb8068e6d5146c0
[INFO] running `Command { std: "docker" "start" "-a" "3639b4b2f285e032d279dc0899e3061020939e43252118e6cfb8068e6d5146c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3639b4b2f285e032d279dc0899e3061020939e43252118e6cfb8068e6d5146c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3639b4b2f285e032d279dc0899e3061020939e43252118e6cfb8068e6d5146c0", kill_on_drop: false }`
[INFO] [stdout] 3639b4b2f285e032d279dc0899e3061020939e43252118e6cfb8068e6d5146c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b452d8bee621c13bdd9b4f8870f6a15210bfead29080602a397a2f304507816
[INFO] running `Command { std: "docker" "start" "-a" "7b452d8bee621c13bdd9b4f8870f6a15210bfead29080602a397a2f304507816", kill_on_drop: false }`
[INFO] [stderr]     Checking testProj v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `StringVector` is never used
[INFO] [stdout]   --> src/main.rs:40:10
[INFO] [stdout]    |
[INFO] [stdout] 40 |     enum StringVector {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]    --> src/main.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 133 | struct Student {
[INFO] [stdout]     |        ------- field in this struct
[INFO] [stdout] 134 |     name: String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/main.rs:118:18
[INFO] [stdout]     |
[INFO] [stdout] 118 |         .map(|s| s.parse().expect("NAN"))
[INFO] [stdout]     |                  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `doMath` should have a snake case name
[INFO] [stdout]    --> src/main.rs:150:4
[INFO] [stdout]     |
[INFO] [stdout] 150 | fn doMath() -> f64 {
[INFO] [stdout]     |    ^^^^^^ help: convert the identifier to snake case: `do_math`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/main.rs:160:18
[INFO] [stdout]     |
[INFO] [stdout] 160 |         .map(|s| s.parse().expect("NAN"))
[INFO] [stdout]     |                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]    --> src/main.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 133 | struct Student {
[INFO] [stdout]     |        ------- field in this struct
[INFO] [stdout] 134 |     name: String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/main.rs:118:18
[INFO] [stdout]     |
[INFO] [stdout] 118 |         .map(|s| s.parse().expect("NAN"))
[INFO] [stdout]     |                  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `doMath` should have a snake case name
[INFO] [stdout]    --> src/main.rs:150:4
[INFO] [stdout]     |
[INFO] [stdout] 150 | fn doMath() -> f64 {
[INFO] [stdout]     |    ^^^^^^ help: convert the identifier to snake case: `do_math`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/main.rs:160:18
[INFO] [stdout]     |
[INFO] [stdout] 160 |         .map(|s| s.parse().expect("NAN"))
[INFO] [stdout]     |                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `testProj` (bin "testProj" test) due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `testProj` (bin "testProj") due to 2 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "7b452d8bee621c13bdd9b4f8870f6a15210bfead29080602a397a2f304507816", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b452d8bee621c13bdd9b4f8870f6a15210bfead29080602a397a2f304507816", kill_on_drop: false }`
[INFO] [stdout] 7b452d8bee621c13bdd9b4f8870f6a15210bfead29080602a397a2f304507816