[INFO] cloning repository https://github.com/hyone/arithmetic-evaluator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hyone/arithmetic-evaluator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhyone%2Farithmetic-evaluator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhyone%2Farithmetic-evaluator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 684c3f566ffea40c92eb23028b59481480c60ccb
[INFO] checking hyone/arithmetic-evaluator against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhyone%2Farithmetic-evaluator" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hyone/arithmetic-evaluator on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hyone/arithmetic-evaluator
[INFO] finished tweaking git repo https://github.com/hyone/arithmetic-evaluator
[INFO] tweaked toml for git repo https://github.com/hyone/arithmetic-evaluator written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/hyone/arithmetic-evaluator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa4cd876fac76c6ae67162ec4d92919b6cc9c1a49ebb9650fb84a7374d47ff6b
[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" "aa4cd876fac76c6ae67162ec4d92919b6cc9c1a49ebb9650fb84a7374d47ff6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa4cd876fac76c6ae67162ec4d92919b6cc9c1a49ebb9650fb84a7374d47ff6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa4cd876fac76c6ae67162ec4d92919b6cc9c1a49ebb9650fb84a7374d47ff6b", kill_on_drop: false }`
[INFO] [stdout] aa4cd876fac76c6ae67162ec4d92919b6cc9c1a49ebb9650fb84a7374d47ff6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "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] 0e729d5b70413605dce0c789f59543d7e6361e537bade0df0992d4d15377e2be
[INFO] running `Command { std: "docker" "start" "-a" "0e729d5b70413605dce0c789f59543d7e6361e537bade0df0992d4d15377e2be", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling regex v1.1.5
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking ascii v0.9.1
[INFO] [stderr]     Checking either v1.5.1
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]     Checking docopt v1.0.2
[INFO] [stderr]     Checking arithmetic-evaluator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.71s
[INFO] running `Command { std: "docker" "inspect" "0e729d5b70413605dce0c789f59543d7e6361e537bade0df0992d4d15377e2be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e729d5b70413605dce0c789f59543d7e6361e537bade0df0992d4d15377e2be", kill_on_drop: false }`
[INFO] [stdout] 0e729d5b70413605dce0c789f59543d7e6361e537bade0df0992d4d15377e2be