[INFO] cloning repository https://github.com/llambda/nary
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/llambda/nary" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllambda%2Fnary", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllambda%2Fnary'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6dd8c1d0f8c07345ac4542251205ee84032d6021
[INFO] checking llambda/nary against master#0f353363965ebf05e0757f7679c800b39c51a07e for pr-144896
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllambda%2Fnary" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/llambda/nary
[INFO] finished tweaking git repo https://github.com/llambda/nary
[INFO] tweaked toml for git repo https://github.com/llambda/nary written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/llambda/nary on toolchain 0f353363965ebf05e0757f7679c800b39c51a07e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0f353363965ebf05e0757f7679c800b39c51a07e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/llambda/nary 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" "+0f353363965ebf05e0757f7679c800b39c51a07e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bidir-map v1.0.0
[INFO] [stderr]   Downloaded semver_rs v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+0f353363965ebf05e0757f7679c800b39c51a07e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab9222f5d94f6050f2e4ec67126773736db137a7190c84b5dc003fa8327ed53f
[INFO] running `Command { std: "docker" "start" "-a" "ab9222f5d94f6050f2e4ec67126773736db137a7190c84b5dc003fa8327ed53f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab9222f5d94f6050f2e4ec67126773736db137a7190c84b5dc003fa8327ed53f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab9222f5d94f6050f2e4ec67126773736db137a7190c84b5dc003fa8327ed53f", kill_on_drop: false }`
[INFO] [stdout] ab9222f5d94f6050f2e4ec67126773736db137a7190c84b5dc003fa8327ed53f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+0f353363965ebf05e0757f7679c800b39c51a07e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbf85b948154825f70d041af307b6e2d373892d02668c10c15550ad5aee30197
[INFO] running `Command { std: "docker" "start" "-a" "bbf85b948154825f70d041af307b6e2d373892d02668c10c15550ad5aee30197", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
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[INFO] [stderr]     Checking git2 v0.20.2
[INFO] [stderr]     Checking nary_lib v0.1.0 (/opt/rustwide/workdir/nary_lib)
[INFO] [stderr]     Checking nary_bin v0.1.0 (/opt/rustwide/workdir/nary_bin)
[INFO] [stdout] warning: field `verbose` is never read
[INFO] [stdout]   --> nary_bin/src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Opt {
[INFO] [stdout]    |        --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     verbose: u8,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opt` 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 `verbose` is never read
[INFO] [stdout]   --> nary_bin/src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Opt {
[INFO] [stdout]    |        --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     verbose: u8,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opt` 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 43.16s
[INFO] running `Command { std: "docker" "inspect" "bbf85b948154825f70d041af307b6e2d373892d02668c10c15550ad5aee30197", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbf85b948154825f70d041af307b6e2d373892d02668c10c15550ad5aee30197", kill_on_drop: false }`
[INFO] [stdout] bbf85b948154825f70d041af307b6e2d373892d02668c10c15550ad5aee30197