[INFO] cloning repository https://github.com/ablanleuil/rust_shaun
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ablanleuil/rust_shaun" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fablanleuil%2Frust_shaun", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fablanleuil%2Frust_shaun'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bdb030b1200c9f4ad70da8f5b4257354b99a5b86
[INFO] checking ablanleuil/rust_shaun against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fablanleuil%2Frust_shaun" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ablanleuil/rust_shaun on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ablanleuil/rust_shaun
[INFO] finished tweaking git repo https://github.com/ablanleuil/rust_shaun
[INFO] tweaked toml for git repo https://github.com/ablanleuil/rust_shaun written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/ablanleuil/rust_shaun already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v0.15.29
[INFO] [stderr]   Downloaded serde_derive v1.0.89
[INFO] [stderr]   Downloaded serde v1.0.89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c00be090c02e9c37e7e429e590c03c04325cf47dab7f862501156dbe92991d38
[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" "c00be090c02e9c37e7e429e590c03c04325cf47dab7f862501156dbe92991d38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c00be090c02e9c37e7e429e590c03c04325cf47dab7f862501156dbe92991d38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c00be090c02e9c37e7e429e590c03c04325cf47dab7f862501156dbe92991d38", kill_on_drop: false }`
[INFO] [stdout] c00be090c02e9c37e7e429e590c03c04325cf47dab7f862501156dbe92991d38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d97abbc58bc2f6555083fd0992c7f9d13e31a9381f09758e479bae930c1ae0c9
[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" "d97abbc58bc2f6555083fd0992c7f9d13e31a9381f09758e479bae930c1ae0c9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]     Checking shaun v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.97s
[INFO] running `Command { std: "docker" "inspect" "d97abbc58bc2f6555083fd0992c7f9d13e31a9381f09758e479bae930c1ae0c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d97abbc58bc2f6555083fd0992c7f9d13e31a9381f09758e479bae930c1ae0c9", kill_on_drop: false }`
[INFO] [stdout] d97abbc58bc2f6555083fd0992c7f9d13e31a9381f09758e479bae930c1ae0c9