[INFO] cloning repository https://github.com/leonascim21/Rust-Shell
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/leonascim21/Rust-Shell" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleonascim21%2FRust-Shell", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleonascim21%2FRust-Shell'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e6b8b2aaa6fa4cdadb92919c5fdd16a11d98d11
[INFO] checking leonascim21/Rust-Shell against master#4847d6a9d07d4be9ba3196f6ad444af2d7bdde72 for pr-134272
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleonascim21%2FRust-Shell" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/leonascim21/Rust-Shell on toolchain 4847d6a9d07d4be9ba3196f6ad444af2d7bdde72
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/leonascim21/Rust-Shell
[INFO] finished tweaking git repo https://github.com/leonascim21/Rust-Shell
[INFO] tweaked toml for git repo https://github.com/leonascim21/Rust-Shell written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/leonascim21/Rust-Shell 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" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 021cd4abe2749c5e0f3ad615f64597f555880280e86dd8d54d0dc56ffa1999a3
[INFO] running `Command { std: "docker" "start" "-a" "021cd4abe2749c5e0f3ad615f64597f555880280e86dd8d54d0dc56ffa1999a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "021cd4abe2749c5e0f3ad615f64597f555880280e86dd8d54d0dc56ffa1999a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "021cd4abe2749c5e0f3ad615f64597f555880280e86dd8d54d0dc56ffa1999a3", kill_on_drop: false }`
[INFO] [stdout] 021cd4abe2749c5e0f3ad615f64597f555880280e86dd8d54d0dc56ffa1999a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 345141260c41bc659a8d851798e4ce9a4c24739bef8f68a438e451cf8019d96c
[INFO] running `Command { std: "docker" "start" "-a" "345141260c41bc659a8d851798e4ce9a4c24739bef8f68a438e451cf8019d96c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]     Checking COP4610Shell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `is_success` is never read
[INFO] [stdout]   --> src/external_command_exec.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |             is_success = false;
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `is_success` is never read
[INFO] [stdout]   --> src/piping.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |             is_success = external_command(
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `is_success` is never read
[INFO] [stdout]   --> src/external_command_exec.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |             is_success = false;
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `is_success` is never read
[INFO] [stdout]   --> src/piping.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |             is_success = external_command(
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "345141260c41bc659a8d851798e4ce9a4c24739bef8f68a438e451cf8019d96c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "345141260c41bc659a8d851798e4ce9a4c24739bef8f68a438e451cf8019d96c", kill_on_drop: false }`
[INFO] [stdout] 345141260c41bc659a8d851798e4ce9a4c24739bef8f68a438e451cf8019d96c