[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#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSeiryuZ%2Fqrs" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SeiryuZ/qrs on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", 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-0/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" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32de56a35e66d9b5d787ccad53dd81e8c4068a64b451cb57dcc4eed0ced70d9e
[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" "32de56a35e66d9b5d787ccad53dd81e8c4068a64b451cb57dcc4eed0ced70d9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32de56a35e66d9b5d787ccad53dd81e8c4068a64b451cb57dcc4eed0ced70d9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32de56a35e66d9b5d787ccad53dd81e8c4068a64b451cb57dcc4eed0ced70d9e", kill_on_drop: false }`
[INFO] [stdout] 32de56a35e66d9b5d787ccad53dd81e8c4068a64b451cb57dcc4eed0ced70d9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 567d897e644e2cd886e91a7fa86d4232869f93c40d78068155dcc83d708e65ff
[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" "567d897e644e2cd886e91a7fa86d4232869f93c40d78068155dcc83d708e65ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]     Checking cfg-if v0.1.4
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking byteorder v1.2.4
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking arrayref v0.3.4
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking checked_int_cast v1.0.0
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]     Checking inflate v0.4.3
[INFO] [stderr]     Checking gif v0.10.0
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking deflate v0.7.18
[INFO] [stderr]     Checking base64 v0.9.2
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling quote v0.6.5
[INFO] [stderr]     Checking num_cpus v1.8.0
[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 generic-array v0.9.0
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking digest v0.7.5
[INFO] [stderr]     Checking crypto-mac v0.5.2
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking hmac v0.5.0
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking png v0.12.0
[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 serde_json v1.0.24
[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 49.17s
[INFO] running `Command { std: "docker" "inspect" "567d897e644e2cd886e91a7fa86d4232869f93c40d78068155dcc83d708e65ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "567d897e644e2cd886e91a7fa86d4232869f93c40d78068155dcc83d708e65ff", kill_on_drop: false }`
[INFO] [stdout] 567d897e644e2cd886e91a7fa86d4232869f93c40d78068155dcc83d708e65ff