[INFO] cloning repository https://github.com/SeiryuZ/qrs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SeiryuZ/qrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSeiryuZ%2Fqrs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSeiryuZ%2Fqrs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4d269be09b6046e2ddb79b4a805351ba38c72e8b
[INFO] checking SeiryuZ/qrs against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSeiryuZ%2Fqrs" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SeiryuZ/qrs on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SeiryuZ/qrs
[INFO] finished tweaking git repo https://github.com/SeiryuZ/qrs
[INFO] tweaked toml for git repo https://github.com/SeiryuZ/qrs written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/SeiryuZ/qrs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b3fcf31377bd2e82143ee756303925992384bd5dc7d2cb634119edba80c0d46
[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" "7b3fcf31377bd2e82143ee756303925992384bd5dc7d2cb634119edba80c0d46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b3fcf31377bd2e82143ee756303925992384bd5dc7d2cb634119edba80c0d46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b3fcf31377bd2e82143ee756303925992384bd5dc7d2cb634119edba80c0d46", kill_on_drop: false }`
[INFO] [stdout] 7b3fcf31377bd2e82143ee756303925992384bd5dc7d2cb634119edba80c0d46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b22f5caf5b57af0d80bd02f9796fda738527e9a10111081e01e0d5c7de4f956
[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" "2b22f5caf5b57af0d80bd02f9796fda738527e9a10111081e01e0d5c7de4f956", 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] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]     Checking checked_int_cast v1.0.0
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking base64 v0.9.2
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking deflate v0.7.18
[INFO] [stderr]     Checking inflate v0.4.3
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking gif v0.10.0
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]     Checking serde_json v1.0.24
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking digest v0.7.5
[INFO] [stderr]     Checking crypto-mac v0.5.2
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]    Compiling quote v0.6.5
[INFO] [stderr]     Checking hmac v0.5.0
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]    Compiling syn v0.14.7
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking qrcode v0.8.0
[INFO] [stderr]     Checking qrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.94s
[INFO] running `Command { std: "docker" "inspect" "2b22f5caf5b57af0d80bd02f9796fda738527e9a10111081e01e0d5c7de4f956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b22f5caf5b57af0d80bd02f9796fda738527e9a10111081e01e0d5c7de4f956", kill_on_drop: false }`
[INFO] [stdout] 2b22f5caf5b57af0d80bd02f9796fda738527e9a10111081e01e0d5c7de4f956