[INFO] cloning repository https://github.com/sphinxc0re/gambl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sphinxc0re/gambl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsphinxc0re%2Fgambl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsphinxc0re%2Fgambl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dcce3f3299489bd1191d4750d9b6bbe3985d7104
[INFO] checking sphinxc0re/gambl against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsphinxc0re%2Fgambl" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sphinxc0re/gambl on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sphinxc0re/gambl
[INFO] finished tweaking git repo https://github.com/sphinxc0re/gambl
[INFO] tweaked toml for git repo https://github.com/sphinxc0re/gambl written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/sphinxc0re/gambl already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b51248aa93b4316ed550089c16363a03e1b59a439eeeb085648ab07a503304b6
[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" "b51248aa93b4316ed550089c16363a03e1b59a439eeeb085648ab07a503304b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b51248aa93b4316ed550089c16363a03e1b59a439eeeb085648ab07a503304b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b51248aa93b4316ed550089c16363a03e1b59a439eeeb085648ab07a503304b6", kill_on_drop: false }`
[INFO] [stdout] b51248aa93b4316ed550089c16363a03e1b59a439eeeb085648ab07a503304b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02dfd2af4b3f24ce8f399703567d5e7ab5bf7823e8440b0abd002c6efe943e23
[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" "02dfd2af4b3f24ce8f399703567d5e7ab5bf7823e8440b0abd002c6efe943e23", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]    Compiling proc-macro2 v0.4.25
[INFO] [stderr]    Compiling byteorder v1.3.0
[INFO] [stderr]    Compiling serde v1.0.85
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling openssl v0.10.16
[INFO] [stderr]     Checking rustc-demangle v0.1.13
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking dirs v1.0.4
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]     Checking rmp v0.8.7
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling openssl-sys v0.9.40
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]     Checking crypto-hash v0.3.3
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]    Compiling serde_derive v1.0.85
[INFO] [stderr]     Checking structopt v0.2.14
[INFO] [stderr]     Checking gambl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.28s
[INFO] running `Command { std: "docker" "inspect" "02dfd2af4b3f24ce8f399703567d5e7ab5bf7823e8440b0abd002c6efe943e23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02dfd2af4b3f24ce8f399703567d5e7ab5bf7823e8440b0abd002c6efe943e23", kill_on_drop: false }`
[INFO] [stdout] 02dfd2af4b3f24ce8f399703567d5e7ab5bf7823e8440b0abd002c6efe943e23