[INFO] cloning repository https://github.com/martyn-smith/fsim
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/martyn-smith/fsim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartyn-smith%2Ffsim", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartyn-smith%2Ffsim'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef6984bb0670b4c93193c8cf7a3e46d13f778301
[INFO] documenting martyn-smith/fsim against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartyn-smith%2Ffsim" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/martyn-smith/fsim 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/martyn-smith/fsim
[INFO] finished tweaking git repo https://github.com/martyn-smith/fsim
[INFO] tweaked toml for git repo https://github.com/martyn-smith/fsim written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/martyn-smith/fsim 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] dc25216317ce22ad3ccda429a3353e5c3317a6e06cbea46a7a08b39d0a19718a
[INFO] running `Command { std: "docker" "start" "-a" "dc25216317ce22ad3ccda429a3353e5c3317a6e06cbea46a7a08b39d0a19718a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc25216317ce22ad3ccda429a3353e5c3317a6e06cbea46a7a08b39d0a19718a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc25216317ce22ad3ccda429a3353e5c3317a6e06cbea46a7a08b39d0a19718a", kill_on_drop: false }`
[INFO] [stdout] dc25216317ce22ad3ccda429a3353e5c3317a6e06cbea46a7a08b39d0a19718a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] cd7b1521d12cfe90e3b8f568a5101cd37be8f394b17f32f3a0c90f137c029262
[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" "cd7b1521d12cfe90e3b8f568a5101cd37be8f394b17f32f3a0c90f137c029262", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.59
[INFO] [stderr]     Checking spin v0.5.0
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking getrandom v0.1.6
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]  Documenting plasmasim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0015]: calls in constants are limited to constant functions, tuple structs and tuple variants
[INFO] [stdout]   --> src/constants.rs:14:29
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub const epsilon_0 : f64 = q_e.powi(2) / (2. * alpha * h * c);
[INFO] [stdout]    |                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0015`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `plasmasim`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name plasmasim src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-849c3d09cf6d8b82.rmeta --cap-lints=forbid` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "cd7b1521d12cfe90e3b8f568a5101cd37be8f394b17f32f3a0c90f137c029262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd7b1521d12cfe90e3b8f568a5101cd37be8f394b17f32f3a0c90f137c029262", kill_on_drop: false }`
[INFO] [stdout] cd7b1521d12cfe90e3b8f568a5101cd37be8f394b17f32f3a0c90f137c029262