[INFO] cloning repository https://github.com/samzhuwj/guessing-game
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/samzhuwj/guessing-game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamzhuwj%2Fguessing-game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamzhuwj%2Fguessing-game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3aa7a1f332a4b52fb2496e3e5dab6af4345b5215
[INFO] checking samzhuwj/guessing-game against master#430feb24a46993e5073c1bb1b39da190d83fa2bf for pr-78363
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamzhuwj%2Fguessing-game" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/samzhuwj/guessing-game on toolchain 430feb24a46993e5073c1bb1b39da190d83fa2bf
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/samzhuwj/guessing-game
[INFO] finished tweaking git repo https://github.com/samzhuwj/guessing-game
[INFO] tweaked toml for git repo https://github.com/samzhuwj/guessing-game written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/samzhuwj/guessing-game already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d37028b33b3689fcaeb8f23619912970477ccc7c66acf4c295a8ac787da9f925
[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" "d37028b33b3689fcaeb8f23619912970477ccc7c66acf4c295a8ac787da9f925", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d37028b33b3689fcaeb8f23619912970477ccc7c66acf4c295a8ac787da9f925", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d37028b33b3689fcaeb8f23619912970477ccc7c66acf4c295a8ac787da9f925", kill_on_drop: false }`
[INFO] [stdout] d37028b33b3689fcaeb8f23619912970477ccc7c66acf4c295a8ac787da9f925
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43d191b3c74f75b5913931a6e06dee2af23876d2cf49bebd54a2d9829d3221d3
[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" "43d191b3c74f75b5913931a6e06dee2af23876d2cf49bebd54a2d9829d3221d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling syn v0.15.37
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking getrandom v0.1.3
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.7
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]    Compiling rand v0.7.0-pre.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]     Checking regex v1.1.7
[INFO] [stderr]    Compiling structopt-derive v0.2.16
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]     Checking structopt v0.2.16
[INFO] [stderr]     Checking guessing_game_wasi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.13s
[INFO] running `Command { std: "docker" "inspect" "43d191b3c74f75b5913931a6e06dee2af23876d2cf49bebd54a2d9829d3221d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43d191b3c74f75b5913931a6e06dee2af23876d2cf49bebd54a2d9829d3221d3", kill_on_drop: false }`
[INFO] [stdout] 43d191b3c74f75b5913931a6e06dee2af23876d2cf49bebd54a2d9829d3221d3