[INFO] cloning repository https://github.com/Visckmart/rust_qrcode_decoder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Visckmart/rust_qrcode_decoder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVisckmart%2Frust_qrcode_decoder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVisckmart%2Frust_qrcode_decoder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd40bc9e9f023f33824c54f359903a03e9462c2f
[INFO] checking Visckmart/rust_qrcode_decoder against try#09ea730c380b8b9acb96ff87b724c45df920f793 for pr-134272
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVisckmart%2Frust_qrcode_decoder" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Visckmart/rust_qrcode_decoder on toolchain 09ea730c380b8b9acb96ff87b724c45df920f793
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09ea730c380b8b9acb96ff87b724c45df920f793" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Visckmart/rust_qrcode_decoder
[INFO] finished tweaking git repo https://github.com/Visckmart/rust_qrcode_decoder
[INFO] tweaked toml for git repo https://github.com/Visckmart/rust_qrcode_decoder written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Visckmart/rust_qrcode_decoder 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" "+09ea730c380b8b9acb96ff87b724c45df920f793" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking Visckmart/rust_qrcode_decoder against try#09ea730c380b8b9acb96ff87b724c45df920f793 for pr-134272
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVisckmart%2Frust_qrcode_decoder" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Visckmart/rust_qrcode_decoder on toolchain 09ea730c380b8b9acb96ff87b724c45df920f793
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09ea730c380b8b9acb96ff87b724c45df920f793" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Visckmart/rust_qrcode_decoder
[INFO] finished tweaking git repo https://github.com/Visckmart/rust_qrcode_decoder
[INFO] tweaked toml for git repo https://github.com/Visckmart/rust_qrcode_decoder written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Visckmart/rust_qrcode_decoder 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" "+09ea730c380b8b9acb96ff87b724c45df920f793" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+09ea730c380b8b9acb96ff87b724c45df920f793" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b56fb08761103a83786b8412bfd037826335331f3bddcd47495a8e81604631d6
[INFO] running `Command { std: "docker" "start" "-a" "b56fb08761103a83786b8412bfd037826335331f3bddcd47495a8e81604631d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b56fb08761103a83786b8412bfd037826335331f3bddcd47495a8e81604631d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b56fb08761103a83786b8412bfd037826335331f3bddcd47495a8e81604631d6", kill_on_drop: false }`
[INFO] [stdout] b56fb08761103a83786b8412bfd037826335331f3bddcd47495a8e81604631d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+09ea730c380b8b9acb96ff87b724c45df920f793" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71091988d7abb01f2182dec4b3c5b4194f6d0c477e48a6551d95baf8e62b4abe
[INFO] running `Command { std: "docker" "start" "-a" "71091988d7abb01f2182dec4b3c5b4194f6d0c477e48a6551d95baf8e62b4abe", kill_on_drop: false }`
[INFO] [stderr]     Checking QRDecoder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `exemplo_a`
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let exemplo_a = matrix_from_str("1111111010101111001110111111110000010100111001100001000001101110100110000010110010111011011101010111...
[INFO] [stdout]   |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_exemplo_a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exemplo_a`
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let exemplo_a = matrix_from_str("1111111010101111001110111111110000010100111001100001000001101110100110000010110010111011011101010111...
[INFO] [stdout]   |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_exemplo_a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "71091988d7abb01f2182dec4b3c5b4194f6d0c477e48a6551d95baf8e62b4abe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71091988d7abb01f2182dec4b3c5b4194f6d0c477e48a6551d95baf8e62b4abe", kill_on_drop: false }`
[INFO] [stdout] 71091988d7abb01f2182dec4b3c5b4194f6d0c477e48a6551d95baf8e62b4abe