[INFO] fetching crate vinci 0.2.0...
[INFO] checking vinci-0.2.0 against master#19dd9535408db0f1ff3d16613619076aef524d19 for pr-115950
[INFO] extracting crate vinci 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate vinci 0.2.0 on toolchain 19dd9535408db0f1ff3d16613619076aef524d19
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19dd9535408db0f1ff3d16613619076aef524d19" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vinci 0.2.0
[INFO] finished tweaking crates.io crate vinci 0.2.0
[INFO] tweaked toml for crates.io crate vinci 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19dd9535408db0f1ff3d16613619076aef524d19" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19dd9535408db0f1ff3d16613619076aef524d19" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded logos-derive v0.12.1
[INFO] [stderr]   Downloaded logos v0.12.1
[INFO] [stderr]   Downloaded beef v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+19dd9535408db0f1ff3d16613619076aef524d19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 894553faa8f711ed9f24b54ba42680489c24857cb25d82443489ea1b4ad72c7d
[INFO] running `Command { std: "docker" "start" "-a" "894553faa8f711ed9f24b54ba42680489c24857cb25d82443489ea1b4ad72c7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "894553faa8f711ed9f24b54ba42680489c24857cb25d82443489ea1b4ad72c7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "894553faa8f711ed9f24b54ba42680489c24857cb25d82443489ea1b4ad72c7d", kill_on_drop: false }`
[INFO] [stdout] 894553faa8f711ed9f24b54ba42680489c24857cb25d82443489ea1b4ad72c7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+19dd9535408db0f1ff3d16613619076aef524d19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94742abe563fc354bdac1dafeb4a402c4fab3583701e309adf1e22c59cc0b457
[INFO] running `Command { std: "docker" "start" "-a" "94742abe563fc354bdac1dafeb4a402c4fab3583701e309adf1e22c59cc0b457", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]    Compiling logos-derive v0.12.1
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]     Checking logos v0.12.1
[INFO] [stderr]     Checking vinci v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `known_type` is assigned to, but never used
[INFO] [stdout]   --> src/parser/instruction/memory.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let known_type: Type;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_known_type` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `known_type` is never read
[INFO] [stdout]   --> src/parser/instruction/memory.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         known_type = tp;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `known_type` is assigned to, but never used
[INFO] [stdout]   --> src/parser/instruction/memory.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let known_type: Type;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_known_type` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `known_type` is never read
[INFO] [stdout]   --> src/parser/instruction/memory.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         known_type = tp;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cool_algorithm` is never used
[INFO] [stdout]   --> src/parser/tests.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn cool_algorithm() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.20s
[INFO] running `Command { std: "docker" "inspect" "94742abe563fc354bdac1dafeb4a402c4fab3583701e309adf1e22c59cc0b457", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94742abe563fc354bdac1dafeb4a402c4fab3583701e309adf1e22c59cc0b457", kill_on_drop: false }`
[INFO] [stdout] 94742abe563fc354bdac1dafeb4a402c4fab3583701e309adf1e22c59cc0b457