[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] testing leonascim21/Rust-Shell against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleonascim21%2FRust-Shell" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[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-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/leonascim21/Rust-Shell on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e116fe0263a9a28c81008223706e072376daec25a96281321357627a7033537
[INFO] running `Command { std: "docker" "start" "-a" "4e116fe0263a9a28c81008223706e072376daec25a96281321357627a7033537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e116fe0263a9a28c81008223706e072376daec25a96281321357627a7033537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e116fe0263a9a28c81008223706e072376daec25a96281321357627a7033537", kill_on_drop: false }`
[INFO] [stdout] 4e116fe0263a9a28c81008223706e072376daec25a96281321357627a7033537
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92d962baa142031bac5ed9f2a2fadcec9f1ea4417c668cc1d13d44baf6394a4c
[INFO] running `Command { std: "docker" "start" "-a" "92d962baa142031bac5ed9f2a2fadcec9f1ea4417c668cc1d13d44baf6394a4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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 0.83s
[INFO] running `Command { std: "docker" "inspect" "92d962baa142031bac5ed9f2a2fadcec9f1ea4417c668cc1d13d44baf6394a4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92d962baa142031bac5ed9f2a2fadcec9f1ea4417c668cc1d13d44baf6394a4c", kill_on_drop: false }`
[INFO] [stdout] 92d962baa142031bac5ed9f2a2fadcec9f1ea4417c668cc1d13d44baf6394a4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bfe667c89b4e5d935895b96c74298b5a1a004d668eade68d42ff53b36d39547
[INFO] running `Command { std: "docker" "start" "-a" "7bfe667c89b4e5d935895b96c74298b5a1a004d668eade68d42ff53b36d39547", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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 `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "7bfe667c89b4e5d935895b96c74298b5a1a004d668eade68d42ff53b36d39547", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bfe667c89b4e5d935895b96c74298b5a1a004d668eade68d42ff53b36d39547", kill_on_drop: false }`
[INFO] [stdout] 7bfe667c89b4e5d935895b96c74298b5a1a004d668eade68d42ff53b36d39547
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 57ffb45fd77f0d79ab1cc9f39898f80831eb9546e3b6908639bfa2fb5fb12e95
[INFO] running `Command { std: "docker" "start" "-a" "57ffb45fd77f0d79ab1cc9f39898f80831eb9546e3b6908639bfa2fb5fb12e95", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `is_success` is never read
[INFO] [stderr]   --> src/external_command_exec.rs:44:13
[INFO] [stderr]    |
[INFO] [stderr] 44 |             is_success = false;
[INFO] [stderr]    |             ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `is_success` is never read
[INFO] [stderr]   --> src/piping.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |             is_success = external_command(
[INFO] [stderr]    |             ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: `COP4610Shell` (bin "COP4610Shell" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/COP4610Shell-ad7bd91b6ed94960)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "57ffb45fd77f0d79ab1cc9f39898f80831eb9546e3b6908639bfa2fb5fb12e95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57ffb45fd77f0d79ab1cc9f39898f80831eb9546e3b6908639bfa2fb5fb12e95", kill_on_drop: false }`
[INFO] [stdout] 57ffb45fd77f0d79ab1cc9f39898f80831eb9546e3b6908639bfa2fb5fb12e95