[INFO] updating cached repository https://github.com/felipesere/tldr-github
[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] [stderr] From https://github.com/felipesere/tldr-github
[INFO] [stderr]    8365299..4216f9d  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4216f9de9e8bdde2e2e9d148420e231c364921b4
[INFO] checking felipesere/tldr-github against master#0cbcb17d3306d6e22eafc2c05ce885db97d0189c for pr-68766
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffelipesere%2Ftldr-github" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/felipesere/tldr-github on toolchain 0cbcb17d3306d6e22eafc2c05ce885db97d0189c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/felipesere/tldr-github
[INFO] finished tweaking git repo https://github.com/felipesere/tldr-github
[INFO] tweaked toml for git repo https://github.com/felipesere/tldr-github written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/felipesere/tldr-github already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "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] 605d69e680dbefc93bd8f16b0aa32ecc6dd46af018e068c3903f0df45f205dad
[INFO] running `"docker" "start" "-a" "605d69e680dbefc93bd8f16b0aa32ecc6dd46af018e068c3903f0df45f205dad"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stderr]     Checking migrations_internals v1.4.0
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[INFO] [stderr]     Checking tldr-github v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/db/mod.rs:72:19
[INFO] [stderr]    |
[INFO] [stderr] 72 |             .map(|s| ())
[INFO] [stderr]    |                   ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/db/mod.rs:81:19
[INFO] [stderr]    |
[INFO] [stderr] 81 |             .map(|s| ())
[INFO] [stderr]    |                   ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/domain/updater/mod.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 | /             match update(item, updated) {
[INFO] [stderr] 51 | |                 Outcome::Update(u) => db.update_tracked_item(u),
[INFO] [stderr] 52 | |                 Outcome::Remove(u) => db.remove_tracked_item(u),
[INFO] [stderr] 53 | |                 Outcome::Ignore => Result::Ok(()),
[INFO] [stderr] 54 | |             };
[INFO] [stderr]    | |______________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/db/mod.rs:72:19
[INFO] [stderr]    |
[INFO] [stderr] 72 |             .map(|s| ())
[INFO] [stderr]    |                   ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/db/mod.rs:81:19
[INFO] [stderr]    |
[INFO] [stderr] 81 |             .map(|s| ())
[INFO] [stderr]    |                   ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/domain/updater/mod.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 | /             match update(item, updated) {
[INFO] [stderr] 51 | |                 Outcome::Update(u) => db.update_tracked_item(u),
[INFO] [stderr] 52 | |                 Outcome::Remove(u) => db.remove_tracked_item(u),
[INFO] [stderr] 53 | |                 Outcome::Ignore => Result::Ok(()),
[INFO] [stderr] 54 | |             };
[INFO] [stderr]    | |______________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 54s
[INFO] running `"docker" "inspect" "605d69e680dbefc93bd8f16b0aa32ecc6dd46af018e068c3903f0df45f205dad"`
[INFO] running `"docker" "rm" "-f" "605d69e680dbefc93bd8f16b0aa32ecc6dd46af018e068c3903f0df45f205dad"`
[INFO] [stdout] 605d69e680dbefc93bd8f16b0aa32ecc6dd46af018e068c3903f0df45f205dad