[INFO] cloning repository https://github.com/AliasT/directory-tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AliasT/directory-tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAliasT%2Fdirectory-tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAliasT%2Fdirectory-tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a40ead72a1733ed4434b535bba62e196defb55d1
[INFO] checking AliasT/directory-tree against master#36b21637e93b038453924d3c66821089e71d8baa for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAliasT%2Fdirectory-tree" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AliasT/directory-tree
[INFO] finished tweaking git repo https://github.com/AliasT/directory-tree
[INFO] tweaked toml for git repo https://github.com/AliasT/directory-tree written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AliasT/directory-tree on toolchain 36b21637e93b038453924d3c66821089e71d8baa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AliasT/directory-tree 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" "+36b21637e93b038453924d3c66821089e71d8baa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cslice v0.2.0
[INFO] [stderr]   Downloaded neon-build v0.8.2
[INFO] [stderr]   Downloaded neon-runtime v0.8.2
[INFO] [stderr]   Downloaded neon-macros v0.8.2
[INFO] [stderr]   Downloaded neon v0.8.2
[INFO] [stderr]   Downloaded syn v1.0.72
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0e28a77fe4181fc4e37a00e6ed143b152264d261ce5cfa23a390a136a3e4e16
[INFO] running `Command { std: "docker" "start" "-a" "e0e28a77fe4181fc4e37a00e6ed143b152264d261ce5cfa23a390a136a3e4e16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0e28a77fe4181fc4e37a00e6ed143b152264d261ce5cfa23a390a136a3e4e16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0e28a77fe4181fc4e37a00e6ed143b152264d261ce5cfa23a390a136a3e4e16", kill_on_drop: false }`
[INFO] [stdout] e0e28a77fe4181fc4e37a00e6ed143b152264d261ce5cfa23a390a136a3e4e16
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea6335523820af041a771ca28bddffa7ff757da4874e09a4b2d0e723cf5bdb40
[INFO] running `Command { std: "docker" "start" "-a" "ea6335523820af041a771ca28bddffa7ff757da4874e09a4b2d0e723cf5bdb40", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling neon-build v0.8.2
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking cslice v0.2.0
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]     Checking neon-runtime v0.8.2
[INFO] [stderr]    Compiling neon v0.8.2
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling neon-macros v0.8.2
[INFO] [stderr]     Checking directory-tree v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `serde_json`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.64s
[INFO] running `Command { std: "docker" "inspect" "ea6335523820af041a771ca28bddffa7ff757da4874e09a4b2d0e723cf5bdb40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea6335523820af041a771ca28bddffa7ff757da4874e09a4b2d0e723cf5bdb40", kill_on_drop: false }`
[INFO] [stdout] ea6335523820af041a771ca28bddffa7ff757da4874e09a4b2d0e723cf5bdb40
