[INFO] fetching crate projcpp 0.1.1...
[INFO] testing projcpp-0.1.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate projcpp 0.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate projcpp 0.1.1
[INFO] finished tweaking crates.io crate projcpp 0.1.1
[INFO] tweaked toml for crates.io crate projcpp 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate projcpp 0.1.1 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate projcpp 0.1.1 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d21bcf15abc4012131001379f991a2545871ed065ccbd52ad95bfe55f5475592
[INFO] running `Command { std: "docker" "start" "-a" "d21bcf15abc4012131001379f991a2545871ed065ccbd52ad95bfe55f5475592", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d21bcf15abc4012131001379f991a2545871ed065ccbd52ad95bfe55f5475592", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d21bcf15abc4012131001379f991a2545871ed065ccbd52ad95bfe55f5475592", kill_on_drop: false }`
[INFO] [stdout] d21bcf15abc4012131001379f991a2545871ed065ccbd52ad95bfe55f5475592
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef838d8d68ec1dc14551d4bd1b0d59c8f0effa8d717504ad3384255f8bcb1334
[INFO] running `Command { std: "docker" "start" "-a" "ef838d8d68ec1dc14551d4bd1b0d59c8f0effa8d717504ad3384255f8bcb1334", kill_on_drop: false }`
[INFO] [stderr]    Compiling projcpp v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `hello`
[INFO] [stdout]    --> src/main.rs:377:9
[INFO] [stdout]     |
[INFO] [stdout] 377 |     let hello = output.stdout;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_hello`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hello`
[INFO] [stdout]    --> src/main.rs:385:9
[INFO] [stdout]     |
[INFO] [stdout] 385 |     let hello = output.stdout;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_hello`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hello`
[INFO] [stdout]    --> src/main.rs:393:9
[INFO] [stdout]     |
[INFO] [stdout] 393 |     let hello = output.stdout;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_hello`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hello`
[INFO] [stdout]    --> src/main.rs:401:9
[INFO] [stdout]     |
[INFO] [stdout] 401 |     let hello = output.stdout;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_hello`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hello`
[INFO] [stdout]    --> src/main.rs:409:9
[INFO] [stdout]     |
[INFO] [stdout] 409 |     let hello = output.stdout;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_hello`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hello`
[INFO] [stdout]    --> src/main.rs:417:9
[INFO] [stdout]     |
[INFO] [stdout] 417 |     let hello = output.stdout;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_hello`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hello`
[INFO] [stdout]    --> src/main.rs:425:9
[INFO] [stdout]     |
[INFO] [stdout] 425 |     let hello = output.stdout;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_hello`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "ef838d8d68ec1dc14551d4bd1b0d59c8f0effa8d717504ad3384255f8bcb1334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef838d8d68ec1dc14551d4bd1b0d59c8f0effa8d717504ad3384255f8bcb1334", kill_on_drop: false }`
[INFO] [stdout] ef838d8d68ec1dc14551d4bd1b0d59c8f0effa8d717504ad3384255f8bcb1334
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2c17d31c0111b2eaf808ca3073800b88d953c038627bec04af15ae9884c716c
[INFO] running `Command { std: "docker" "start" "-a" "f2c17d31c0111b2eaf808ca3073800b88d953c038627bec04af15ae9884c716c", kill_on_drop: false }`
[INFO] [stderr]    Compiling projcpp v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `hello`
[INFO] [stdout]    --> src/main.rs:377:9
[INFO] [stdout]     |
[INFO] [stdout] 377 |     let hello = output.stdout;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_hello`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hello`
[INFO] [stdout]    --> src/main.rs:385:9
[INFO] [stdout]     |
[INFO] [stdout] 385 |     let hello = output.stdout;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_hello`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hello`
[INFO] [stdout]    --> src/main.rs:393:9
[INFO] [stdout]     |
[INFO] [stdout] 393 |     let hello = output.stdout;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_hello`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hello`
[INFO] [stdout]    --> src/main.rs:401:9
[INFO] [stdout]     |
[INFO] [stdout] 401 |     let hello = output.stdout;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_hello`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hello`
[INFO] [stdout]    --> src/main.rs:409:9
[INFO] [stdout]     |
[INFO] [stdout] 409 |     let hello = output.stdout;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_hello`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hello`
[INFO] [stdout]    --> src/main.rs:417:9
[INFO] [stdout]     |
[INFO] [stdout] 417 |     let hello = output.stdout;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_hello`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hello`
[INFO] [stdout]    --> src/main.rs:425:9
[INFO] [stdout]     |
[INFO] [stdout] 425 |     let hello = output.stdout;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_hello`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "f2c17d31c0111b2eaf808ca3073800b88d953c038627bec04af15ae9884c716c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2c17d31c0111b2eaf808ca3073800b88d953c038627bec04af15ae9884c716c", kill_on_drop: false }`
[INFO] [stdout] f2c17d31c0111b2eaf808ca3073800b88d953c038627bec04af15ae9884c716c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2a64ef10e7cddd0e607f4238648d2371738bcc35b9f412657d1a2fc6d2c4e77f
[INFO] running `Command { std: "docker" "start" "-a" "2a64ef10e7cddd0e607f4238648d2371738bcc35b9f412657d1a2fc6d2c4e77f", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `hello`
[INFO] [stderr]    --> src/main.rs:377:9
[INFO] [stderr]     |
[INFO] [stderr] 377 |     let hello = output.stdout;
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_hello`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hello`
[INFO] [stderr]    --> src/main.rs:385:9
[INFO] [stderr]     |
[INFO] [stderr] 385 |     let hello = output.stdout;
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_hello`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hello`
[INFO] [stderr]    --> src/main.rs:393:9
[INFO] [stderr]     |
[INFO] [stderr] 393 |     let hello = output.stdout;
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_hello`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hello`
[INFO] [stderr]    --> src/main.rs:401:9
[INFO] [stderr]     |
[INFO] [stderr] 401 |     let hello = output.stdout;
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_hello`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hello`
[INFO] [stderr]    --> src/main.rs:409:9
[INFO] [stderr]     |
[INFO] [stderr] 409 |     let hello = output.stdout;
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_hello`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hello`
[INFO] [stderr]    --> src/main.rs:417:9
[INFO] [stderr]     |
[INFO] [stderr] 417 |     let hello = output.stdout;
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_hello`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hello`
[INFO] [stderr]    --> src/main.rs:425:9
[INFO] [stderr]     |
[INFO] [stderr] 425 |     let hello = output.stdout;
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_hello`
[INFO] [stderr] 
[INFO] [stderr] warning: `projcpp` (bin "projcpp" test) generated 7 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/projcpp-7f266c58f13ba896)
[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" "2a64ef10e7cddd0e607f4238648d2371738bcc35b9f412657d1a2fc6d2c4e77f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a64ef10e7cddd0e607f4238648d2371738bcc35b9f412657d1a2fc6d2c4e77f", kill_on_drop: false }`
[INFO] [stdout] 2a64ef10e7cddd0e607f4238648d2371738bcc35b9f412657d1a2fc6d2c4e77f