[INFO] cloning repository https://github.com/nmandrus1/cppb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nmandrus1/cppb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnmandrus1%2Fcppb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnmandrus1%2Fcppb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ddf1bf4e985411848b8db88b22d202f59b838092
[INFO] checking nmandrus1/cppb against master#ecb170afc878648c3ae355dbd596c8e4b6f7ebdc for pr-139022
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnmandrus1%2Fcppb" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nmandrus1/cppb on toolchain ecb170afc878648c3ae355dbd596c8e4b6f7ebdc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ecb170afc878648c3ae355dbd596c8e4b6f7ebdc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nmandrus1/cppb
[INFO] finished tweaking git repo https://github.com/nmandrus1/cppb
[INFO] tweaked toml for git repo https://github.com/nmandrus1/cppb written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nmandrus1/cppb 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" "+ecb170afc878648c3ae355dbd596c8e4b6f7ebdc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gumdrop v0.8.0
[INFO] [stderr]   Downloaded gumdrop_derive v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+ecb170afc878648c3ae355dbd596c8e4b6f7ebdc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9c69a1525add92bb0279bd90c9eb07db0c0cd72ce3ef87ca95fef1563a1e160
[INFO] running `Command { std: "docker" "start" "-a" "c9c69a1525add92bb0279bd90c9eb07db0c0cd72ce3ef87ca95fef1563a1e160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9c69a1525add92bb0279bd90c9eb07db0c0cd72ce3ef87ca95fef1563a1e160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9c69a1525add92bb0279bd90c9eb07db0c0cd72ce3ef87ca95fef1563a1e160", kill_on_drop: false }`
[INFO] [stdout] c9c69a1525add92bb0279bd90c9eb07db0c0cd72ce3ef87ca95fef1563a1e160
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+ecb170afc878648c3ae355dbd596c8e4b6f7ebdc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7d31a926acb9275807fb573015280fa5a9cb7749ee19a4d3f853cabc6c0d0bf
[INFO] running `Command { std: "docker" "start" "-a" "f7d31a926acb9275807fb573015280fa5a9cb7749ee19a4d3f853cabc6c0d0bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling serde_json v1.0.74
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling gumdrop_derive v0.8.0
[INFO] [stderr]     Checking gumdrop v0.8.0
[INFO] [stderr]     Checking cppb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `directory` is never read
[INFO] [stdout]  --> src/comp_cmd.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct CompileCommand {
[INFO] [stdout]   |        -------------- field in this struct
[INFO] [stdout] 8 |     arguments: Vec<String>,
[INFO] [stdout] 9 |     directory: PathBuf,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `CompileCommand` 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: field `directory` is never read
[INFO] [stdout]  --> src/comp_cmd.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct CompileCommand {
[INFO] [stdout]   |        -------------- field in this struct
[INFO] [stdout] 8 |     arguments: Vec<String>,
[INFO] [stdout] 9 |     directory: PathBuf,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `CompileCommand` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.04s
[INFO] running `Command { std: "docker" "inspect" "f7d31a926acb9275807fb573015280fa5a9cb7749ee19a4d3f853cabc6c0d0bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7d31a926acb9275807fb573015280fa5a9cb7749ee19a4d3f853cabc6c0d0bf", kill_on_drop: false }`
[INFO] [stdout] f7d31a926acb9275807fb573015280fa5a9cb7749ee19a4d3f853cabc6c0d0bf