[INFO] crate hamlrs 0.4.3 is already in cache
[INFO] checking hamlrs-0.4.3 against master#6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257 for pr-70872
[INFO] extracting crate hamlrs 0.4.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate hamlrs 0.4.3 on toolchain 6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate hamlrs 0.4.3
[INFO] finished tweaking crates.io crate hamlrs 0.4.3
[INFO] tweaked toml for crates.io crate hamlrs 0.4.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "RUSTFLAGS=--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" "/opt/rustwide/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 71ef8e1a8d5cf7ca230b85bb1505d815222f12167310209afd67b12a81c168e3
[INFO] running `"docker" "start" "-a" "71ef8e1a8d5cf7ca230b85bb1505d815222f12167310209afd67b12a81c168e3"`
[INFO] [stderr]     Checking hamlrs v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: value assigned to `token` is never read
[INFO] [stderr]   --> src/parser.rs:71:17
[INFO] [stderr]    |
[INFO] [stderr] 71 |         let mut token: Option<&Token> = None;
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `class` is never read
[INFO] [stderr]   --> src/parser.rs:86:33
[INFO] [stderr]    |
[INFO] [stderr] 86 |                         let mut class = String::new();
[INFO] [stderr]    |                                 ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `id` is never read
[INFO] [stderr]    --> src/parser.rs:101:33
[INFO] [stderr]     |
[INFO] [stderr] 101 |                         let mut id = String::new();
[INFO] [stderr]     |                                 ^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `value` is never read
[INFO] [stderr]   --> src/scanner.rs:68:25
[INFO] [stderr]    |
[INFO] [stderr] 68 |                 let mut value: Option<Token> = None;
[INFO] [stderr]    |                         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `token` is never read
[INFO] [stderr]   --> src/parser.rs:71:17
[INFO] [stderr]    |
[INFO] [stderr] 71 |         let mut token: Option<&Token> = None;
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `class` is never read
[INFO] [stderr]   --> src/parser.rs:86:33
[INFO] [stderr]    |
[INFO] [stderr] 86 |                         let mut class = String::new();
[INFO] [stderr]    |                                 ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `id` is never read
[INFO] [stderr]    --> src/parser.rs:101:33
[INFO] [stderr]     |
[INFO] [stderr] 101 |                         let mut id = String::new();
[INFO] [stderr]     |                                 ^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `value` is never read
[INFO] [stderr]   --> src/scanner.rs:68:25
[INFO] [stderr]    |
[INFO] [stderr] 68 |                 let mut value: Option<Token> = None;
[INFO] [stderr]    |                         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.82s
[INFO] running `"docker" "inspect" "71ef8e1a8d5cf7ca230b85bb1505d815222f12167310209afd67b12a81c168e3"`
[INFO] running `"docker" "rm" "-f" "71ef8e1a8d5cf7ca230b85bb1505d815222f12167310209afd67b12a81c168e3"`
[INFO] [stdout] 71ef8e1a8d5cf7ca230b85bb1505d815222f12167310209afd67b12a81c168e3