[INFO] cloning repository https://github.com/MarcusDunn/buzzwords
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MarcusDunn/buzzwords" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcusDunn%2Fbuzzwords", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcusDunn%2Fbuzzwords'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 054e9d4a388054160aa7158f0041b435d4e31ba8
[INFO] testing MarcusDunn/buzzwords against 1.79.0 for beta-1.80-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcusDunn%2Fbuzzwords" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MarcusDunn/buzzwords on toolchain 1.79.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.79.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MarcusDunn/buzzwords
[INFO] finished tweaking git repo https://github.com/MarcusDunn/buzzwords
[INFO] tweaked toml for git repo https://github.com/MarcusDunn/buzzwords written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/MarcusDunn/buzzwords already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.79.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+1.79.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d393020349f49a3b2709dbb04abb91d710122f88fd834662929dc6adcbd1e899
[INFO] running `Command { std: "docker" "start" "-a" "d393020349f49a3b2709dbb04abb91d710122f88fd834662929dc6adcbd1e899", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d393020349f49a3b2709dbb04abb91d710122f88fd834662929dc6adcbd1e899", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d393020349f49a3b2709dbb04abb91d710122f88fd834662929dc6adcbd1e899", kill_on_drop: false }`
[INFO] [stdout] d393020349f49a3b2709dbb04abb91d710122f88fd834662929dc6adcbd1e899
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+1.79.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8811fa06a46d41b187333c70992876201b7e1bb3e5d34e8a3d1948e6ad7041c0
[INFO] running `Command { std: "docker" "start" "-a" "8811fa06a46d41b187333c70992876201b7e1bb3e5d34e8a3d1948e6ad7041c0", kill_on_drop: false }`
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[INFO] [stderr]    Compiling deadpool-lapin v0.10.0
[INFO] [stderr]    Compiling deadpool-redis v0.11.1
[INFO] [stderr]    Compiling buzzwords v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/post.rs:96:26
[INFO] [stdout]    |
[INFO] [stdout] 96 |         ).await.map_err(|err| {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comments`
[INFO] [stdout]   --> src/comment.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let comments = match post {
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comments`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `redis`
[INFO] [stdout]    --> src/comment.rs:243:15
[INFO] [stdout]     |
[INFO] [stdout] 243 |     Redis(mut redis): Redis,
[INFO] [stdout]     |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_redis`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comment_json_bytes`
[INFO] [stdout]    --> src/comment.rs:316:9
[INFO] [stdout]     |
[INFO] [stdout] 316 |     let comment_json_bytes = serde_json::to_vec(&comment).map_err(|err| {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment_json_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/comment.rs:243:11
[INFO] [stdout]     |
[INFO] [stdout] 243 |     Redis(mut redis): Redis,
[INFO] [stdout]     |           ----^^^^^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `index_comments` is never used
[INFO] [stdout]   --> src/mongo.rs:88:10
[INFO] [stdout]    |
[INFO] [stdout] 88 | async fn index_comments(database: &Database) -> mongodb::error::Result<CreateIndexResult> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 22s
[INFO] running `Command { std: "docker" "inspect" "8811fa06a46d41b187333c70992876201b7e1bb3e5d34e8a3d1948e6ad7041c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8811fa06a46d41b187333c70992876201b7e1bb3e5d34e8a3d1948e6ad7041c0", kill_on_drop: false }`
[INFO] [stdout] 8811fa06a46d41b187333c70992876201b7e1bb3e5d34e8a3d1948e6ad7041c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+1.79.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 333549c72ea1abd4aacd06c78034646b1210db99e7d50433a8faba21258eef58
[INFO] running `Command { std: "docker" "start" "-a" "333549c72ea1abd4aacd06c78034646b1210db99e7d50433a8faba21258eef58", kill_on_drop: false }`
[INFO] [stderr]    Compiling buzzwords v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/post.rs:96:26
[INFO] [stdout]    |
[INFO] [stdout] 96 |         ).await.map_err(|err| {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comments`
[INFO] [stdout]   --> src/comment.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let comments = match post {
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comments`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `redis`
[INFO] [stdout]    --> src/comment.rs:243:15
[INFO] [stdout]     |
[INFO] [stdout] 243 |     Redis(mut redis): Redis,
[INFO] [stdout]     |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_redis`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comment_json_bytes`
[INFO] [stdout]    --> src/comment.rs:316:9
[INFO] [stdout]     |
[INFO] [stdout] 316 |     let comment_json_bytes = serde_json::to_vec(&comment).map_err(|err| {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment_json_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/comment.rs:243:11
[INFO] [stdout]     |
[INFO] [stdout] 243 |     Redis(mut redis): Redis,
[INFO] [stdout]     |           ----^^^^^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `index_comments` is never used
[INFO] [stdout]   --> src/mongo.rs:88:10
[INFO] [stdout]    |
[INFO] [stdout] 88 | async fn index_comments(database: &Database) -> mongodb::error::Result<CreateIndexResult> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.71s
[INFO] running `Command { std: "docker" "inspect" "333549c72ea1abd4aacd06c78034646b1210db99e7d50433a8faba21258eef58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "333549c72ea1abd4aacd06c78034646b1210db99e7d50433a8faba21258eef58", kill_on_drop: false }`
[INFO] [stdout] 333549c72ea1abd4aacd06c78034646b1210db99e7d50433a8faba21258eef58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+1.79.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4d952f750403aaa6765772cfe9fe00478490853c9c6e606d253072039eb0a0db
[INFO] running `Command { std: "docker" "start" "-a" "4d952f750403aaa6765772cfe9fe00478490853c9c6e606d253072039eb0a0db", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/post.rs:96:26
[INFO] [stderr]    |
[INFO] [stderr] 96 |         ).await.map_err(|err| {
[INFO] [stderr]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `comments`
[INFO] [stderr]   --> src/comment.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let comments = match post {
[INFO] [stderr]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comments`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `redis`
[INFO] [stderr]    --> src/comment.rs:243:15
[INFO] [stderr]     |
[INFO] [stderr] 243 |     Redis(mut redis): Redis,
[INFO] [stderr]     |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_redis`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `comment_json_bytes`
[INFO] [stderr]    --> src/comment.rs:316:9
[INFO] [stderr]     |
[INFO] [stderr] 316 |     let comment_json_bytes = serde_json::to_vec(&comment).map_err(|err| {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment_json_bytes`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/comment.rs:243:11
[INFO] [stderr]     |
[INFO] [stderr] 243 |     Redis(mut redis): Redis,
[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: function `index_comments` is never used
[INFO] [stderr]   --> src/mongo.rs:88:10
[INFO] [stderr]    |
[INFO] [stderr] 88 | async fn index_comments(database: &Database) -> mongodb::error::Result<CreateIndexResult> {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `buzzwords` (bin "buzzwords" test) generated 6 warnings (run `cargo fix --bin "buzzwords" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/buzzwords-270a69e2ba6484c4)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4d952f750403aaa6765772cfe9fe00478490853c9c6e606d253072039eb0a0db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d952f750403aaa6765772cfe9fe00478490853c9c6e606d253072039eb0a0db", kill_on_drop: false }`
[INFO] [stdout] 4d952f750403aaa6765772cfe9fe00478490853c9c6e606d253072039eb0a0db