[INFO] fetching crate playbook 0.4.2... [INFO] documenting playbook-0.4.2 against beta-2020-08-29 for beta-1.47-rustdoc-1 [INFO] extracting crate playbook 0.4.2 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate playbook 0.4.2 on toolchain beta-2020-08-29 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate playbook 0.4.2 [INFO] finished tweaking crates.io crate playbook 0.4.2 [INFO] tweaked toml for crates.io crate playbook 0.4.2 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded mashup v0.1.12 [INFO] [stderr] Downloaded mashup-impl v0.1.12 [INFO] [stderr] Downloaded spin v0.4.10 [INFO] [stderr] Downloaded rpds v0.5.0 [INFO] [stderr] Downloaded pest_meta v2.1.3 [INFO] [stderr] Downloaded ucd-trie v0.1.3 [INFO] [stderr] Downloaded pest v2.1.3 [INFO] [stderr] Downloaded pest_generator v2.1.3 [INFO] [stderr] Downloaded nix v0.12.1 [INFO] [stderr] Downloaded pyo3cls v0.5.4 [INFO] [stderr] Downloaded pyo3-derive-backend v0.5.4 [INFO] [stderr] Downloaded pyo3 v0.5.4 [INFO] [stderr] Downloaded impersonate v0.0.3 [INFO] [stderr] Downloaded ymlctx v0.1.8 [INFO] [stderr] Downloaded fern v0.5.9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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-2020-08-29" "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] b710d54eeacfcfd23316ee00135d91b0ec9a2e34b39f411d68b1d4ee5612b477 [INFO] running `Command { std: "docker" "start" "-a" "b710d54eeacfcfd23316ee00135d91b0ec9a2e34b39f411d68b1d4ee5612b477", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b710d54eeacfcfd23316ee00135d91b0ec9a2e34b39f411d68b1d4ee5612b477", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b710d54eeacfcfd23316ee00135d91b0ec9a2e34b39f411d68b1d4ee5612b477", kill_on_drop: false }` [INFO] [stdout] b710d54eeacfcfd23316ee00135d91b0ec9a2e34b39f411d68b1d4ee5612b477 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 19385dd369a0ad3af6563c6b6cab4b11c477c9f1ca7ff01c78ac4a269f5f6819 [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" "19385dd369a0ad3af6563c6b6cab4b11c477c9f1ca7ff01c78ac4a269f5f6819", kill_on_drop: false }` [INFO] [stderr] Compiling nix v0.12.1 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Compiling impersonate v0.0.3 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Checking rpds v0.5.0 [INFO] [stderr] Checking fern v0.5.9 [INFO] [stderr] Checking ymlctx v0.1.8 [INFO] [stderr] Checking playbook v0.4.2 (/opt/rustwide/workdir) [INFO] [stderr] Documenting playbook v0.4.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::path::Path` [INFO] [stdout] --> src/lang/python.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::path::Path; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::result::Result` [INFO] [stdout] --> src/lang/python.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Context`, `CtxObj` [INFO] [stdout] --> src/lang/python.rs:3:23 [INFO] [stdout] | [INFO] [stdout] 3 | use ymlctx::context::{Context, CtxObj}; [INFO] [stdout] | ^^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `TaskErrorSource`, `TaskError` [INFO] [stdout] --> src/lang/python.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::{TaskError, TaskErrorSource}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Write` [INFO] [stdout] --> src/lang/python.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::Write; // for flushing stdio [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/builtins.rs:277:5 [INFO] [stdout] | [INFO] [stdout] 276 | unimplemented!(); [INFO] [stdout] | ----------------- any code following this expression is unreachable [INFO] [stdout] 277 | let nproc = pool.len(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `core::str::::trim_right`: superseded by `trim_end` [INFO] [stdout] --> src/systems/docker.rs:38:33 [INFO] [stdout] | [INFO] [stdout] 38 | let newline_len = id_stdout.trim_right().len(); [INFO] [stdout] | ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `nproc` [INFO] [stdout] --> src/builtins.rs:277:9 [INFO] [stdout] | [INFO] [stdout] 277 | let nproc = pool.len(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_nproc` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `grid` [INFO] [stdout] --> src/builtins.rs:275:14 [INFO] [stdout] | [INFO] [stdout] 275 | fn fork_pool(grid: Vec, pool: &Vec) -> TransientContext { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_grid` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pool` [INFO] [stdout] --> src/builtins.rs:275:34 [INFO] [stdout] | [INFO] [stdout] 275 | fn fork_pool(grid: Vec, pool: &Vec) -> TransientContext { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_pool` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.82s [INFO] running `Command { std: "docker" "inspect" "19385dd369a0ad3af6563c6b6cab4b11c477c9f1ca7ff01c78ac4a269f5f6819", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "19385dd369a0ad3af6563c6b6cab4b11c477c9f1ca7ff01c78ac4a269f5f6819", kill_on_drop: false }` [INFO] [stdout] 19385dd369a0ad3af6563c6b6cab4b11c477c9f1ca7ff01c78ac4a269f5f6819