[INFO] crate tree_magic_fork 0.2.2 is already in cache
[INFO] documenting tree_magic_fork-0.2.2 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate tree_magic_fork 0.2.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tree_magic_fork 0.2.2 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 crates.io crate tree_magic_fork 0.2.2
[INFO] finished tweaking crates.io crate tree_magic_fork 0.2.2
[INFO] tweaked toml for crates.io crate tree_magic_fork 0.2.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a1ea2e15af031d996d9dc80a3034439eb1376f19a3d82f12e8e659b9591849e0
[INFO] running `Command { std: "docker" "start" "-a" "a1ea2e15af031d996d9dc80a3034439eb1376f19a3d82f12e8e659b9591849e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1ea2e15af031d996d9dc80a3034439eb1376f19a3d82f12e8e659b9591849e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1ea2e15af031d996d9dc80a3034439eb1376f19a3d82f12e8e659b9591849e0", kill_on_drop: false }`
[INFO] [stdout] a1ea2e15af031d996d9dc80a3034439eb1376f19a3d82f12e8e659b9591849e0
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5543690fa77102a99a6eb2d50ff0e52e0e8a6fa88cab818bdeedf5e45f055bb2
[INFO] running `Command { std: "docker" "start" "-a" "5543690fa77102a99a6eb2d50ff0e52e0e8a6fa88cab818bdeedf5e45f055bb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking nom v2.2.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking lock_api v0.2.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]  Documenting tree_magic_fork v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/fdo_magic/mod.rs:240:88
[INFO] [stdout]     |
[INFO] [stdout] 240 |         let tuplevec = from_u8_to_tuple_vec(b).to_result().map_err(|e| e.to_string())?;;
[INFO] [stdout]     |                                                                                        ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.27s
[INFO] running `Command { std: "docker" "inspect" "5543690fa77102a99a6eb2d50ff0e52e0e8a6fa88cab818bdeedf5e45f055bb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5543690fa77102a99a6eb2d50ff0e52e0e8a6fa88cab818bdeedf5e45f055bb2", kill_on_drop: false }`
[INFO] [stdout] 5543690fa77102a99a6eb2d50ff0e52e0e8a6fa88cab818bdeedf5e45f055bb2