[INFO] cloning repository https://github.com/IgnisDa/printr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/IgnisDa/printr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIgnisDa%2Fprintr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIgnisDa%2Fprintr'...
[INFO] [stderr] remote: warning: multi-pack bitmap is missing required reverse index        
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 593b10b0f3cba59ebf1c15f1813df441c1769ef7
[INFO] checking IgnisDa/printr against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIgnisDa%2Fprintr" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/IgnisDa/printr on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/IgnisDa/printr
[INFO] finished tweaking git repo https://github.com/IgnisDa/printr
[INFO] tweaked toml for git repo https://github.com/IgnisDa/printr written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/IgnisDa/printr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0e86f65a99aa03a91f9ecd5de092d8e4b406bf6925cff094434afe61c6748b4
[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" "b0e86f65a99aa03a91f9ecd5de092d8e4b406bf6925cff094434afe61c6748b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0e86f65a99aa03a91f9ecd5de092d8e4b406bf6925cff094434afe61c6748b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0e86f65a99aa03a91f9ecd5de092d8e4b406bf6925cff094434afe61c6748b4", kill_on_drop: false }`
[INFO] [stdout] b0e86f65a99aa03a91f9ecd5de092d8e4b406bf6925cff094434afe61c6748b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 27ab57246bd265e55e3453d5c4977b6b90f43a93fd9d1d360e990124ce8a59c4
[INFO] running `Command { std: "docker" "start" "-a" "27ab57246bd265e55e3453d5c4977b6b90f43a93fd9d1d360e990124ce8a59c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]     Checking serde v0.9.15
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking predicates-tree v1.0.2
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking predicates v1.0.7
[INFO] [stderr]     Checking serde_json v0.9.10
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking assert_cmd v1.0.3
[INFO] [stderr]     Checking sentiment v0.1.1
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling printr v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.81s
[INFO] running `Command { std: "docker" "inspect" "27ab57246bd265e55e3453d5c4977b6b90f43a93fd9d1d360e990124ce8a59c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27ab57246bd265e55e3453d5c4977b6b90f43a93fd9d1d360e990124ce8a59c4", kill_on_drop: false }`
[INFO] [stdout] 27ab57246bd265e55e3453d5c4977b6b90f43a93fd9d1d360e990124ce8a59c4