[INFO] updating cached repository https://github.com/TangiFavennec/RustSample
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 12d943da08066c066f03974ce392d63cec5be4af
[INFO] documenting TangiFavennec/RustSample against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTangiFavennec%2FRustSample" "/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/TangiFavennec/RustSample on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TangiFavennec/RustSample
[INFO] finished tweaking git repo https://github.com/TangiFavennec/RustSample
[INFO] tweaked toml for git repo https://github.com/TangiFavennec/RustSample written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/TangiFavennec/RustSample already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e51405d8df926e3be70237b8f5dd143e938b9054055c5ee8e12c29a627e26afa
[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" "e51405d8df926e3be70237b8f5dd143e938b9054055c5ee8e12c29a627e26afa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e51405d8df926e3be70237b8f5dd143e938b9054055c5ee8e12c29a627e26afa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e51405d8df926e3be70237b8f5dd143e938b9054055c5ee8e12c29a627e26afa", kill_on_drop: false }`
[INFO] [stdout] e51405d8df926e3be70237b8f5dd143e938b9054055c5ee8e12c29a627e26afa
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bdfa8461af6d69ae12520dca8b7047fb8ea0fd36ec1f471839c4ebe72179b04e
[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" "bdfa8461af6d69ae12520dca8b7047fb8ea0fd36ec1f471839c4ebe72179b04e", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking libc v0.2.32
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]     Checking serde v1.0.16
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]    Compiling serde_derive_internals v0.16.0
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]     Checking rand v0.3.17
[INFO] [stderr]     Checking rmp v0.8.7
[INFO] [stderr]     Checking clap v2.27.1
[INFO] [stderr]    Compiling serde_derive v1.0.16
[INFO] [stderr]     Checking serde_json v1.0.4
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]  Documenting rust_sample v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.29s
[INFO] running `Command { std: "docker" "inspect" "bdfa8461af6d69ae12520dca8b7047fb8ea0fd36ec1f471839c4ebe72179b04e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdfa8461af6d69ae12520dca8b7047fb8ea0fd36ec1f471839c4ebe72179b04e", kill_on_drop: false }`
[INFO] [stdout] bdfa8461af6d69ae12520dca8b7047fb8ea0fd36ec1f471839c4ebe72179b04e