[INFO] fetching crate asmr 0.0.1...
[INFO] checking asmr-0.0.1 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate asmr 0.0.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate asmr 0.0.1
[INFO] finished tweaking crates.io crate asmr 0.0.1
[INFO] tweaked toml for crates.io crate asmr 0.0.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate asmr 0.0.1 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate asmr 0.0.1 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nom-fields v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c79c9d1d336951e807ba2764a4bea9edc90e4dc09381c32e72065823a29c3e8
[INFO] running `Command { std: "docker" "start" "-a" "9c79c9d1d336951e807ba2764a4bea9edc90e4dc09381c32e72065823a29c3e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c79c9d1d336951e807ba2764a4bea9edc90e4dc09381c32e72065823a29c3e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c79c9d1d336951e807ba2764a4bea9edc90e4dc09381c32e72065823a29c3e8", kill_on_drop: false }`
[INFO] [stdout] 9c79c9d1d336951e807ba2764a4bea9edc90e4dc09381c32e72065823a29c3e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9683b7d19ad4bb207116525c80987a6b788d23ec987dc44ea5435185998fe88c
[INFO] running `Command { std: "docker" "start" "-a" "9683b7d19ad4bb207116525c80987a6b788d23ec987dc44ea5435185998fe88c", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking minimal-lexical v0.1.4
[INFO] [stderr]     Checking nom-fields v0.1.1
[INFO] [stderr]    Compiling nom v7.0.0
[INFO] [stderr]     Checking asmr v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/main.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         Ok((v, Color { red, green, blue })) => println!("{}", red),
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `green`
[INFO] [stdout]   --> src/main.rs:40:29
[INFO] [stdout]    |
[INFO] [stdout] 40 |         Ok((v, Color { red, green, blue })) => println!("{}", red),
[INFO] [stdout]    |                             ^^^^^ help: try ignoring the field: `green: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blue`
[INFO] [stdout]   --> src/main.rs:40:36
[INFO] [stdout]    |
[INFO] [stdout] 40 |         Ok((v, Color { red, green, blue })) => println!("{}", red),
[INFO] [stdout]    |                                    ^^^^ help: try ignoring the field: `blue: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/main.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         Ok((v, Color { red, green, blue })) => println!("{}", red),
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `green`
[INFO] [stdout]   --> src/main.rs:40:29
[INFO] [stdout]    |
[INFO] [stdout] 40 |         Ok((v, Color { red, green, blue })) => println!("{}", red),
[INFO] [stdout]    |                             ^^^^^ help: try ignoring the field: `green: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blue`
[INFO] [stdout]   --> src/main.rs:40:36
[INFO] [stdout]    |
[INFO] [stdout] 40 |         Ok((v, Color { red, green, blue })) => println!("{}", red),
[INFO] [stdout]    |                                    ^^^^ help: try ignoring the field: `blue: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.78s
[INFO] running `Command { std: "docker" "inspect" "9683b7d19ad4bb207116525c80987a6b788d23ec987dc44ea5435185998fe88c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9683b7d19ad4bb207116525c80987a6b788d23ec987dc44ea5435185998fe88c", kill_on_drop: false }`
[INFO] [stdout] 9683b7d19ad4bb207116525c80987a6b788d23ec987dc44ea5435185998fe88c