[INFO] cloning repository https://github.com/tcheinen/nand2tetris-hdl-visualizer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tcheinen/nand2tetris-hdl-visualizer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcheinen%2Fnand2tetris-hdl-visualizer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcheinen%2Fnand2tetris-hdl-visualizer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b50bdc12d404cd6c5b9b13760850bc3eaa40e97
[INFO] checking tcheinen/nand2tetris-hdl-visualizer against master#7b3a7819371cef92a187e9bac8f7810ccde15216 for pr-74846
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcheinen%2Fnand2tetris-hdl-visualizer" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tcheinen/nand2tetris-hdl-visualizer on toolchain 7b3a7819371cef92a187e9bac8f7810ccde15216
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tcheinen/nand2tetris-hdl-visualizer
[INFO] finished tweaking git repo https://github.com/tcheinen/nand2tetris-hdl-visualizer
[INFO] tweaked toml for git repo https://github.com/tcheinen/nand2tetris-hdl-visualizer written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/tcheinen/nand2tetris-hdl-visualizer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b468bc353a64ffb63c9d64f09390408754b0defd91e0bf3ee1f4b88668c883af
[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" "b468bc353a64ffb63c9d64f09390408754b0defd91e0bf3ee1f4b88668c883af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b468bc353a64ffb63c9d64f09390408754b0defd91e0bf3ee1f4b88668c883af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b468bc353a64ffb63c9d64f09390408754b0defd91e0bf3ee1f4b88668c883af", kill_on_drop: false }`
[INFO] [stdout] b468bc353a64ffb63c9d64f09390408754b0defd91e0bf3ee1f4b88668c883af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afeb5f0b3c88cf94c4d0d1a798865a486d9e77c918b20ccd1e7ccec0cc09dfc0
[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" "afeb5f0b3c88cf94c4d0d1a798865a486d9e77c918b20ccd1e7ccec0cc09dfc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling lexical-core v0.6.7
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking arrayvec v0.4.12
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking subprocess v0.2.4
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking backtrace v0.3.41
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking which v3.1.1
[INFO] [stderr]     Checking nand2tetris-hdl-parser v0.1.0
[INFO] [stderr]     Checking nand2tetris-hdl-visualizer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.86s
[INFO] running `Command { std: "docker" "inspect" "afeb5f0b3c88cf94c4d0d1a798865a486d9e77c918b20ccd1e7ccec0cc09dfc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afeb5f0b3c88cf94c4d0d1a798865a486d9e77c918b20ccd1e7ccec0cc09dfc0", kill_on_drop: false }`
[INFO] [stdout] afeb5f0b3c88cf94c4d0d1a798865a486d9e77c918b20ccd1e7ccec0cc09dfc0