[INFO] cloning repository https://github.com/dsp56001/rust_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/dsp56001/rust_guessing_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdsp56001%2Frust_guessing_game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdsp56001%2Frust_guessing_game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fab8b8d454be28c4aa08a7e382e5f5df2c580fd8
[INFO] checking dsp56001/rust_guessing_game against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdsp56001%2Frust_guessing_game" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dsp56001/rust_guessing_game on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dsp56001/rust_guessing_game
[INFO] finished tweaking git repo https://github.com/dsp56001/rust_guessing_game
[INFO] tweaked toml for git repo https://github.com/dsp56001/rust_guessing_game written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/dsp56001/rust_guessing_game already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ferris-says v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46269dbbf1c15df83611ebb725fbb4217cb4eb7c7f6ff3356e39d20dbd3f8704
[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" "46269dbbf1c15df83611ebb725fbb4217cb4eb7c7f6ff3356e39d20dbd3f8704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46269dbbf1c15df83611ebb725fbb4217cb4eb7c7f6ff3356e39d20dbd3f8704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46269dbbf1c15df83611ebb725fbb4217cb4eb7c7f6ff3356e39d20dbd3f8704", kill_on_drop: false }`
[INFO] [stdout] 46269dbbf1c15df83611ebb725fbb4217cb4eb7c7f6ff3356e39d20dbd3f8704
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39cf964f936dc7dc53d0c332847029c2687511cd6ff4abef22312c9b064e9da6
[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" "39cf964f936dc7dc53d0c332847029c2687511cd6ff4abef22312c9b064e9da6", kill_on_drop: false }`
[INFO] [stderr]     Checking adler32 v1.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking smallvec v0.4.5
[INFO] [stderr]     Checking addr2line v0.12.2
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking backtrace v0.3.49
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking ferris-says v0.1.2
[INFO] [stderr]     Checking guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.42s
[INFO] running `Command { std: "docker" "inspect" "39cf964f936dc7dc53d0c332847029c2687511cd6ff4abef22312c9b064e9da6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39cf964f936dc7dc53d0c332847029c2687511cd6ff4abef22312c9b064e9da6", kill_on_drop: false }`
[INFO] [stdout] 39cf964f936dc7dc53d0c332847029c2687511cd6ff4abef22312c9b064e9da6