[INFO] fetching crate chelone 0.1.3...
[INFO] checking chelone-0.1.3 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] extracting crate chelone 0.1.3 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate chelone 0.1.3 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chelone 0.1.3
[INFO] finished tweaking crates.io crate chelone 0.1.3
[INFO] tweaked toml for crates.io crate chelone 0.1.3 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unwrap_to v0.1.0
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f94188d35fd27b00ed9293adbefe0a29064514036ea8b3c712bad6ae95cde258
[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" "f94188d35fd27b00ed9293adbefe0a29064514036ea8b3c712bad6ae95cde258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f94188d35fd27b00ed9293adbefe0a29064514036ea8b3c712bad6ae95cde258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f94188d35fd27b00ed9293adbefe0a29064514036ea8b3c712bad6ae95cde258", kill_on_drop: false }`
[INFO] [stdout] f94188d35fd27b00ed9293adbefe0a29064514036ea8b3c712bad6ae95cde258
[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" "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" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d77fa54a0ecc118ff6309875f2562fa4ed372c7756a1f1aa0ae83c80f522dc79
[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" "d77fa54a0ecc118ff6309875f2562fa4ed372c7756a1f1aa0ae83c80f522dc79", kill_on_drop: false }`
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking unwrap_to v0.1.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling pest_derive v1.0.8
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking chelone v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `next_rule`
[INFO] [stdout]    --> src/lib.rs:518:14
[INFO] [stdout]     |
[INFO] [stdout] 518 |         let (next_rule, next) = {
[INFO] [stdout]     |              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_next_rule`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `next_rule`
[INFO] [stdout]    --> src/lib.rs:518:14
[INFO] [stdout]     |
[INFO] [stdout] 518 |         let (next_rule, next) = {
[INFO] [stdout]     |              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_next_rule`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `source`
[INFO] [stdout]   --> src/lib.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     source: &'a str
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `debug_input`
[INFO] [stdout]    --> src/lib.rs:111:8
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn debug_input(input: Peekable<FlatPairs<'a, Rule>>) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `source`
[INFO] [stdout]   --> src/lib.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     source: &'a str
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `debug_input`
[INFO] [stdout]    --> src/lib.rs:111:8
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn debug_input(input: Peekable<FlatPairs<'a, Rule>>) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.28s
[INFO] running `Command { std: "docker" "inspect" "d77fa54a0ecc118ff6309875f2562fa4ed372c7756a1f1aa0ae83c80f522dc79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d77fa54a0ecc118ff6309875f2562fa4ed372c7756a1f1aa0ae83c80f522dc79", kill_on_drop: false }`
[INFO] [stdout] d77fa54a0ecc118ff6309875f2562fa4ed372c7756a1f1aa0ae83c80f522dc79