[INFO] fetching crate sn_grufs 1.0.0...
[INFO] building sn_grufs-1.0.0 against try#615edd3ad1cf6871c977dc900317cb6c2070fd6b for pr-97334
[INFO] extracting crate sn_grufs 1.0.0 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate sn_grufs 1.0.0 on toolchain 615edd3ad1cf6871c977dc900317cb6c2070fd6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sn_grufs 1.0.0
[INFO] finished tweaking crates.io crate sn_grufs 1.0.0
[INFO] tweaked toml for crates.io crate sn_grufs 1.0.0 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate crates.io crate sn_grufs 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe508ff88495a910d7a986d017df23e49ceb8e9dd0ed094bf333d055b3afa0ea
[INFO] running `Command { std: "docker" "start" "-a" "fe508ff88495a910d7a986d017df23e49ceb8e9dd0ed094bf333d055b3afa0ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe508ff88495a910d7a986d017df23e49ceb8e9dd0ed094bf333d055b3afa0ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe508ff88495a910d7a986d017df23e49ceb8e9dd0ed094bf333d055b3afa0ea", kill_on_drop: false }`
[INFO] [stdout] fe508ff88495a910d7a986d017df23e49ceb8e9dd0ed094bf333d055b3afa0ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17c1ee043ca7b9f30461c3bf86a2e85395d9b865cdf3bfe1927bd88c678e5737
[INFO] running `Command { std: "docker" "start" "-a" "17c1ee043ca7b9f30461c3bf86a2e85395d9b865cdf3bfe1927bd88c678e5737", kill_on_drop: false }`
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[INFO] [stderr]    Compiling sn_grufs v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/database_manager.rs:61:26
[INFO] [stdout]    |
[INFO] [stdout] 61 |             if let Some((key, value)) = kv.ok() {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tag_name`
[INFO] [stdout]   --> src/retriever.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     tag_name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `GithubApi` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/retriever.rs:17:23
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[derive(Deserialize, Debug)]
[INFO] [stdout]    |                       ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tarball_url`
[INFO] [stdout]   --> src/retriever.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     tarball_url: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `GithubApi` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/retriever.rs:17:23
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[derive(Deserialize, Debug)]
[INFO] [stdout]    |                       ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 49s
[INFO] running `Command { std: "docker" "inspect" "17c1ee043ca7b9f30461c3bf86a2e85395d9b865cdf3bfe1927bd88c678e5737", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17c1ee043ca7b9f30461c3bf86a2e85395d9b865cdf3bfe1927bd88c678e5737", kill_on_drop: false }`
[INFO] [stdout] 17c1ee043ca7b9f30461c3bf86a2e85395d9b865cdf3bfe1927bd88c678e5737
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36b0dd778bccd4cc071612c151ea080a583a827683289d0c67033ffa55a8526d
[INFO] running `Command { std: "docker" "start" "-a" "36b0dd778bccd4cc071612c151ea080a583a827683289d0c67033ffa55a8526d", kill_on_drop: false }`
[INFO] [stderr]    Compiling sn_grufs v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/database_manager.rs:61:26
[INFO] [stdout]    |
[INFO] [stdout] 61 |             if let Some((key, value)) = kv.ok() {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tag_name`
[INFO] [stdout]   --> src/retriever.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     tag_name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `GithubApi` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/retriever.rs:17:23
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[derive(Deserialize, Debug)]
[INFO] [stdout]    |                       ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tarball_url`
[INFO] [stdout]   --> src/retriever.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     tarball_url: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `GithubApi` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/retriever.rs:17:23
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[derive(Deserialize, Debug)]
[INFO] [stdout]    |                       ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.76s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/sn_grufs-5b570c39647480f4)
[INFO] running `Command { std: "docker" "inspect" "36b0dd778bccd4cc071612c151ea080a583a827683289d0c67033ffa55a8526d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36b0dd778bccd4cc071612c151ea080a583a827683289d0c67033ffa55a8526d", kill_on_drop: false }`
[INFO] [stdout] 36b0dd778bccd4cc071612c151ea080a583a827683289d0c67033ffa55a8526d