[INFO] fetching crate keratin 0.1.7... [INFO] checking keratin-0.1.7 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781 [INFO] extracting crate keratin 0.1.7 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate keratin 0.1.7 on toolchain 195ad4830e11a544391abe296b146450dea8411b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate keratin 0.1.7 [INFO] finished tweaking crates.io crate keratin 0.1.7 [INFO] tweaked toml for crates.io crate keratin 0.1.7 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c029a7813076cbd9e0373ebcbaf6b3a1750bf93beaabfbd0dedec777e0091bfe [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" "c029a7813076cbd9e0373ebcbaf6b3a1750bf93beaabfbd0dedec777e0091bfe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c029a7813076cbd9e0373ebcbaf6b3a1750bf93beaabfbd0dedec777e0091bfe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c029a7813076cbd9e0373ebcbaf6b3a1750bf93beaabfbd0dedec777e0091bfe", kill_on_drop: false }` [INFO] [stdout] c029a7813076cbd9e0373ebcbaf6b3a1750bf93beaabfbd0dedec777e0091bfe [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" "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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d4afdd56b0bcdf6afd7bcc72d82a519833236c1fcf3cee3ac0b6b5fed641d57d [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" "d4afdd56b0bcdf6afd7bcc72d82a519833236c1fcf3cee3ac0b6b5fed641d57d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.89 [INFO] [stderr] Compiling syn v1.0.64 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking base64 v0.12.3 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking hex v0.4.3 [INFO] [stderr] Checking md5 v0.7.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Compiling serde_derive v1.0.124 [INFO] [stderr] Checking serde v1.0.124 [INFO] [stderr] Checking toml v0.5.8 [INFO] [stderr] Checking bson v1.2.0 [INFO] [stderr] Checking keratin v0.1.7 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io::prelude::*` [INFO] [stdout] --> src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BufWriter` [INFO] [stdout] --> src/lib.rs:8:15 [INFO] [stdout] | [INFO] [stdout] 8 | use std::io::{BufWriter, Write}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::SeekFrom` [INFO] [stdout] --> src/lib.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::io::SeekFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::prelude::*` [INFO] [stdout] --> src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BufWriter` [INFO] [stdout] --> src/lib.rs:8:15 [INFO] [stdout] | [INFO] [stdout] 8 | use std::io::{BufWriter, Write}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::SeekFrom` [INFO] [stdout] --> src/lib.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::io::SeekFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/lib.rs:182:9 [INFO] [stdout] | [INFO] [stdout] 162 | / return Ok(Collection { [INFO] [stdout] 163 | | main_path, [INFO] [stdout] 164 | | config, [INFO] [stdout] 165 | | //mapped_keys: HashMap::new(), [INFO] [stdout] 166 | | cached_docs: HashMap::new(), [INFO] [stdout] 167 | | }) [INFO] [stdout] | |______________- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 182 | Err(Errors::DbConfigurationError) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/lib.rs:126:18 [INFO] [stdout] | [INFO] [stdout] 126 | Some(x) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/lib.rs:182:9 [INFO] [stdout] | [INFO] [stdout] 162 | / return Ok(Collection { [INFO] [stdout] 163 | | main_path, [INFO] [stdout] 164 | | config, [INFO] [stdout] 165 | | //mapped_keys: HashMap::new(), [INFO] [stdout] 166 | | cached_docs: HashMap::new(), [INFO] [stdout] 167 | | }) [INFO] [stdout] | |______________- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 182 | Err(Errors::DbConfigurationError) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/lib.rs:126:18 [INFO] [stdout] | [INFO] [stdout] 126 | Some(x) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `keratin::errors::Errors` [INFO] [stdout] --> tests/core.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use keratin::errors::Errors; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` 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 31.26s [INFO] running `Command { std: "docker" "inspect" "d4afdd56b0bcdf6afd7bcc72d82a519833236c1fcf3cee3ac0b6b5fed641d57d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d4afdd56b0bcdf6afd7bcc72d82a519833236c1fcf3cee3ac0b6b5fed641d57d", kill_on_drop: false }` [INFO] [stdout] d4afdd56b0bcdf6afd7bcc72d82a519833236c1fcf3cee3ac0b6b5fed641d57d