[INFO] cloning repository https://github.com/savish/rcomm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/savish/rcomm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsavish%2Frcomm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsavish%2Frcomm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7f869288f07f761d2b7161c23b8a1cd8886df6bd
[INFO] checking savish/rcomm against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsavish%2Frcomm" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/savish/rcomm on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/savish/rcomm
[INFO] finished tweaking git repo https://github.com/savish/rcomm
[INFO] tweaked toml for git repo https://github.com/savish/rcomm written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/savish/rcomm 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7355dccb675345e48a8de1b81670c3cfe3ad534c99dd913c4349de49809dc5d0
[INFO] running `Command { std: "docker" "start" "-a" "7355dccb675345e48a8de1b81670c3cfe3ad534c99dd913c4349de49809dc5d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7355dccb675345e48a8de1b81670c3cfe3ad534c99dd913c4349de49809dc5d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7355dccb675345e48a8de1b81670c3cfe3ad534c99dd913c4349de49809dc5d0", kill_on_drop: false }`
[INFO] [stdout] 7355dccb675345e48a8de1b81670c3cfe3ad534c99dd913c4349de49809dc5d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a32d6c587c14052a96a16e053fdebe230d2d233a74682b6c11ac61246d034669
[INFO] running `Command { std: "docker" "start" "-a" "a32d6c587c14052a96a16e053fdebe230d2d233a74682b6c11ac61246d034669", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking libc v0.2.41
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking rcomm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `suppress_column_1`, `suppress_column_2`, and `suppress_column_3` are never read
[INFO] [stdout]   --> src/lib.rs:9:3
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct Config {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 8  |   ignore_case: bool,
[INFO] [stdout] 9  |   suppress_column_1: bool,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 10 |   suppress_column_2: bool,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 11 |   suppress_column_3: bool,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `suppress_column_1`, `suppress_column_2`, and `suppress_column_3` are never read
[INFO] [stdout]   --> src/lib.rs:9:3
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct Config {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 8  |   ignore_case: bool,
[INFO] [stdout] 9  |   suppress_column_1: bool,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 10 |   suppress_column_2: bool,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 11 |   suppress_column_3: bool,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "a32d6c587c14052a96a16e053fdebe230d2d233a74682b6c11ac61246d034669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a32d6c587c14052a96a16e053fdebe230d2d233a74682b6c11ac61246d034669", kill_on_drop: false }`
[INFO] [stdout] a32d6c587c14052a96a16e053fdebe230d2d233a74682b6c11ac61246d034669