[INFO] updating cached 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" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd40bc9e9f023f33824c54f359903a03e9462c2f
[INFO] checking Visckmart/rust_qrcode_decoder against try#9b06ec641f3d05c126a54ceadba42a64366f72b4 for pr-95755
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVisckmart%2Frust_qrcode_decoder" "/workspace/builds/worker-103/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-103/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Visckmart/rust_qrcode_decoder on toolchain 9b06ec641f3d05c126a54ceadba42a64366f72b4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b06ec641f3d05c126a54ceadba42a64366f72b4" "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-103/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: "/workspace/cargo-home/bin/cargo" "+9b06ec641f3d05c126a54ceadba42a64366f72b4" "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-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+9b06ec641f3d05c126a54ceadba42a64366f72b4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3f15c0b03e04908df71182f348a19241295aeaeba63945f0591aa3fa31d3718
[INFO] running `Command { std: "docker" "start" "-a" "f3f15c0b03e04908df71182f348a19241295aeaeba63945f0591aa3fa31d3718", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3f15c0b03e04908df71182f348a19241295aeaeba63945f0591aa3fa31d3718", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3f15c0b03e04908df71182f348a19241295aeaeba63945f0591aa3fa31d3718", kill_on_drop: false }`
[INFO] [stdout] f3f15c0b03e04908df71182f348a19241295aeaeba63945f0591aa3fa31d3718
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+9b06ec641f3d05c126a54ceadba42a64366f72b4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea056c599846dea1de7c0d8123f7bd2edccd625c3c8a992e3d2c185c37eeaa8a
[INFO] running `Command { std: "docker" "start" "-a" "ea056c599846dea1de7c0d8123f7bd2edccd625c3c8a992e3d2c185c37eeaa8a", 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] [stdout] warning: crate `QRDecoder` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `qrdecoder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `QRDecoder` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `qrdecoder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "ea056c599846dea1de7c0d8123f7bd2edccd625c3c8a992e3d2c185c37eeaa8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea056c599846dea1de7c0d8123f7bd2edccd625c3c8a992e3d2c185c37eeaa8a", kill_on_drop: false }`
[INFO] [stdout] ea056c599846dea1de7c0d8123f7bd2edccd625c3c8a992e3d2c185c37eeaa8a