[INFO] cloning repository https://github.com/whostolemyhat/serial-key-generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/whostolemyhat/serial-key-generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhostolemyhat%2Fserial-key-generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhostolemyhat%2Fserial-key-generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 672a6f87572d3b723cc6f43e2121133d2aa44d00
[INFO] checking whostolemyhat/serial-key-generator against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhostolemyhat%2Fserial-key-generator" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/whostolemyhat/serial-key-generator on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/whostolemyhat/serial-key-generator
[INFO] finished tweaking git repo https://github.com/whostolemyhat/serial-key-generator
[INFO] tweaked toml for git repo https://github.com/whostolemyhat/serial-key-generator written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/whostolemyhat/serial-key-generator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.28
[INFO] [stderr]   Downloaded serial-key v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa6c63b52951b5988f290325fc2d9009b42bba3c082feb3b98f4f692d7c07e97
[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" "aa6c63b52951b5988f290325fc2d9009b42bba3c082feb3b98f4f692d7c07e97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa6c63b52951b5988f290325fc2d9009b42bba3c082feb3b98f4f692d7c07e97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa6c63b52951b5988f290325fc2d9009b42bba3c082feb3b98f4f692d7c07e97", kill_on_drop: false }`
[INFO] [stdout] aa6c63b52951b5988f290325fc2d9009b42bba3c082feb3b98f4f692d7c07e97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c2d7ba31c6338c6195c56bfa533e2232cc573ead14bfe5270ea74ffcb76c0b9
[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" "7c2d7ba31c6338c6195c56bfa533e2232cc573ead14bfe5270ea74ffcb76c0b9", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.28
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling crc-core v0.1.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking unicode-segmentation v1.2.0
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking build_const v0.2.0
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling crc v1.5.0
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking serde_json v1.0.2
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking textwrap v0.7.0
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]    Compiling serde_derive v1.0.11
[INFO] [stderr]     Checking clap v2.26.0
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking serial-key v2.0.0
[INFO] [stderr]     Checking keygen v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.11s
[INFO] running `Command { std: "docker" "inspect" "7c2d7ba31c6338c6195c56bfa533e2232cc573ead14bfe5270ea74ffcb76c0b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c2d7ba31c6338c6195c56bfa533e2232cc573ead14bfe5270ea74ffcb76c0b9", kill_on_drop: false }`
[INFO] [stdout] 7c2d7ba31c6338c6195c56bfa533e2232cc573ead14bfe5270ea74ffcb76c0b9