[INFO] fetching crate nix-doc 0.5.1...
[INFO] checking nix-doc-0.5.1 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate nix-doc 0.5.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate nix-doc 0.5.1 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nix-doc 0.5.1
[INFO] finished tweaking crates.io crate nix-doc 0.5.1
[INFO] tweaked toml for crates.io crate nix-doc 0.5.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate nix-doc 0.5.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt-derive v0.4.15
[INFO] [stderr]   Downloaded structopt v0.3.22
[INFO] [stderr]   Downloaded expect-test v1.1.0
[INFO] [stderr]   Downloaded thin-dst v1.1.0
[INFO] [stderr]   Downloaded colorful v0.2.1
[INFO] [stderr]   Downloaded dissimilar v1.0.2
[INFO] [stderr]   Downloaded text_unit v0.1.10
[INFO] [stderr]   Downloaded rowan v0.9.1
[INFO] [stderr]   Downloaded pathdiff v0.2.0
[INFO] [stderr]   Downloaded syn v1.0.73
[INFO] [stderr]   Downloaded rnix v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2cd6236d1a067e8feeda4732069f2f7e7d7207940bbaee5ac0362d28421b46d3
[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" "2cd6236d1a067e8feeda4732069f2f7e7d7207940bbaee5ac0362d28421b46d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cd6236d1a067e8feeda4732069f2f7e7d7207940bbaee5ac0362d28421b46d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cd6236d1a067e8feeda4732069f2f7e7d7207940bbaee5ac0362d28421b46d3", kill_on_drop: false }`
[INFO] [stdout] 2cd6236d1a067e8feeda4732069f2f7e7d7207940bbaee5ac0362d28421b46d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 538b42d0a631ed44e0db47b35a0a2a3292d5872ff9eaaa84e95ef7845f489ec6
[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" "538b42d0a631ed44e0db47b35a0a2a3292d5872ff9eaaa84e95ef7845f489ec6", kill_on_drop: false }`
[INFO] [stderr]     Checking thin-dst v1.1.0
[INFO] [stderr]     Checking text_unit v0.1.10
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking pathdiff v0.2.0
[INFO] [stderr]     Checking dissimilar v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking expect-test v1.1.0
[INFO] [stderr]     Checking rowan v0.9.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking cbitset v0.2.0
[INFO] [stderr]     Checking rnix v0.8.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]     Checking structopt v0.3.22
[INFO] [stderr]     Checking nix-doc v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.18s
[INFO] running `Command { std: "docker" "inspect" "538b42d0a631ed44e0db47b35a0a2a3292d5872ff9eaaa84e95ef7845f489ec6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "538b42d0a631ed44e0db47b35a0a2a3292d5872ff9eaaa84e95ef7845f489ec6", kill_on_drop: false }`
[INFO] [stdout] 538b42d0a631ed44e0db47b35a0a2a3292d5872ff9eaaa84e95ef7845f489ec6