[INFO] updating cached repository https://github.com/anurse/warthog
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9c7b6c2ad83616605e07a148aa7cb797d13232ed
[INFO] checking anurse/warthog against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanurse%2Fwarthog" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/anurse/warthog on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/anurse/warthog
[INFO] finished tweaking git repo https://github.com/anurse/warthog
[INFO] tweaked toml for git repo https://github.com/anurse/warthog written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/anurse/warthog already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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] 906f03163a9d8d020cc3cb715b5c9988c5df4d750f3aaf6cff4843094f597fd5
[INFO] running `"docker" "start" "-a" "906f03163a9d8d020cc3cb715b5c9988c5df4d750f3aaf6cff4843094f597fd5"`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]     Checking leb128 v0.2.3
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling csv-core v0.1.4
[INFO] [stderr]    Compiling csv v1.0.2
[INFO] [stderr]    Compiling warthog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> build.rs:135:76
[INFO] [stderr]     |
[INFO] [stderr] 135 |         let input_path = Path::new(&manifest_dir).join("instructions.csv");;
[INFO] [stderr]     |                                                                            ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/sparse_vec.rs:44:21
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 let mut item = factory(index);
[INFO] [stderr]    |                     ----^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/sparse_vec.rs:44:21
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 let mut item = factory(index);
[INFO] [stderr]    |                     ----^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/hosting/host.rs:273:17
[INFO] [stderr]     |
[INFO] [stderr] 273 |             let mut mem = mem_inst.memory();
[INFO] [stderr]     |                 ----^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/hosting/host.rs:273:17
[INFO] [stderr]     |
[INFO] [stderr] 273 |             let mut mem = mem_inst.memory();
[INFO] [stderr]     |                 ----^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/module/module_names.rs:55:17
[INFO] [stderr]    |
[INFO] [stderr] 55 |             let mut f = funcs.get_or_add(ind_name.index(), |_| FuncNames::new());
[INFO] [stderr]    |                 ----^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/module/module_names.rs:55:17
[INFO] [stderr]    |
[INFO] [stderr] 55 |             let mut f = funcs.get_or_add(ind_name.index(), |_| FuncNames::new());
[INFO] [stderr]    |                 ----^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] error[E0583]: file not found for module `spec`
[INFO] [stderr]   --> tests/spec_tests.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | mod spec;
[INFO] [stderr]    | ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: to create the module `spec`, create file "tests/spec.rs"
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> tests/spec_tests.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | / macro_rules! vals {
[INFO] [stderr] 14 | |     ($($v: expr),*) => {
[INFO] [stderr] 15 | |         vec![$(
[INFO] [stderr] 16 | |             ::warthog::Value::from($v)
[INFO] [stderr] 17 | |         ),*]
[INFO] [stderr] 18 | |     };
[INFO] [stderr] 19 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0583`.
[INFO] [stderr] error: could not compile `warthog`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "906f03163a9d8d020cc3cb715b5c9988c5df4d750f3aaf6cff4843094f597fd5"`
[INFO] running `"docker" "rm" "-f" "906f03163a9d8d020cc3cb715b5c9988c5df4d750f3aaf6cff4843094f597fd5"`
[INFO] [stdout] 906f03163a9d8d020cc3cb715b5c9988c5df4d750f3aaf6cff4843094f597fd5
