[INFO] cloning repository https://github.com/youxkei/mccode_scanner
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/youxkei/mccode_scanner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyouxkei%2Fmccode_scanner", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyouxkei%2Fmccode_scanner'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95cd252cb24ce0ac2ccfef2db5392cc11b0810ba
[INFO] checking youxkei/mccode_scanner against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyouxkei%2Fmccode_scanner" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/youxkei/mccode_scanner on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/youxkei/mccode_scanner
[INFO] finished tweaking git repo https://github.com/youxkei/mccode_scanner
[INFO] tweaked toml for git repo https://github.com/youxkei/mccode_scanner written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/youxkei/mccode_scanner already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 794ae5836c61ac7098a0b776a9b0e8c7fa88693d215e731eca2646f9958a10ec
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "794ae5836c61ac7098a0b776a9b0e8c7fa88693d215e731eca2646f9958a10ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "794ae5836c61ac7098a0b776a9b0e8c7fa88693d215e731eca2646f9958a10ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "794ae5836c61ac7098a0b776a9b0e8c7fa88693d215e731eca2646f9958a10ec", kill_on_drop: false }`
[INFO] [stdout] 794ae5836c61ac7098a0b776a9b0e8c7fa88693d215e731eca2646f9958a10ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8258726a29c01aa75619ce167dfca93b3167110899f358af94ed94740e6b5d3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b8258726a29c01aa75619ce167dfca93b3167110899f358af94ed94740e6b5d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.19
[INFO] [stderr]     Checking image v0.23.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]     Checking imageproc v0.20.0
[INFO] [stderr]     Checking structopt v0.3.17
[INFO] [stderr]     Checking mccode_scanner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/scanner.rs:554:13
[INFO] [stdout]     |
[INFO] [stdout] 554 |         let mut port_pixels = hashmap!(
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/scanner.rs:604:13
[INFO] [stdout]     |
[INFO] [stdout] 604 |         let mut port_pixels = hashmap!(
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.64s
[INFO] running `Command { std: "docker" "inspect" "b8258726a29c01aa75619ce167dfca93b3167110899f358af94ed94740e6b5d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8258726a29c01aa75619ce167dfca93b3167110899f358af94ed94740e6b5d3", kill_on_drop: false }`
[INFO] [stdout] b8258726a29c01aa75619ce167dfca93b3167110899f358af94ed94740e6b5d3