[INFO] cloning repository https://github.com/osanshouo/murasaki
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/osanshouo/murasaki" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fosanshouo%2Fmurasaki", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fosanshouo%2Fmurasaki'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f919839a6c4f1f442063d684bc8493937971bbb
[INFO] checking osanshouo/murasaki against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fosanshouo%2Fmurasaki" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/osanshouo/murasaki on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/osanshouo/murasaki
[INFO] finished tweaking git repo https://github.com/osanshouo/murasaki
[INFO] tweaked toml for git repo https://github.com/osanshouo/murasaki written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/osanshouo/murasaki already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded plist v0.5.4
[INFO] [stderr]   Downloaded syntect v4.1.0
[INFO] [stderr]   Downloaded latex2mathml v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", 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] 1c9074ac4e1a51bd2fc2e7eb5ab54f6547b92a2cef340597d7e26f649213b891
[INFO] running `Command { std: "docker" "start" "-a" "1c9074ac4e1a51bd2fc2e7eb5ab54f6547b92a2cef340597d7e26f649213b891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c9074ac4e1a51bd2fc2e7eb5ab54f6547b92a2cef340597d7e26f649213b891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c9074ac4e1a51bd2fc2e7eb5ab54f6547b92a2cef340597d7e26f649213b891", kill_on_drop: false }`
[INFO] [stdout] 1c9074ac4e1a51bd2fc2e7eb5ab54f6547b92a2cef340597d7e26f649213b891
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05d557d7c92bd0a8b5a57044377833e53681e9e203c18031bf8e3be933c69dd8
[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" "05d557d7c92bd0a8b5a57044377833e53681e9e203c18031bf8e3be933c69dd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking xml-rs v0.8.2
[INFO] [stderr]     Checking latex2mathml v0.2.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking plist v0.5.4
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking fancy-regex v0.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking syntect v4.1.0
[INFO] [stderr]     Checking murasaki v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.38s
[INFO] running `Command { std: "docker" "inspect" "05d557d7c92bd0a8b5a57044377833e53681e9e203c18031bf8e3be933c69dd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05d557d7c92bd0a8b5a57044377833e53681e9e203c18031bf8e3be933c69dd8", kill_on_drop: false }`
[INFO] [stdout] 05d557d7c92bd0a8b5a57044377833e53681e9e203c18031bf8e3be933c69dd8