[INFO] fetching crate melminter 0.9.0...
[INFO] testing melminter-0.9.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate melminter 0.9.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate melminter 0.9.0
[INFO] finished tweaking crates.io crate melminter 0.9.0
[INFO] tweaked toml for crates.io crate melminter 0.9.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate melminter 0.9.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate melminter 0.9.0 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anyhow v1.0.83
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[INFO] [stderr]   Downloaded melstf v0.12.3
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c3a7763f5e77bc5e7304e6400dd4efb9e4fe2adfa0c5f56e16d3b9c5d7a92fd
[INFO] running `Command { std: "docker" "start" "-a" "8c3a7763f5e77bc5e7304e6400dd4efb9e4fe2adfa0c5f56e16d3b9c5d7a92fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c3a7763f5e77bc5e7304e6400dd4efb9e4fe2adfa0c5f56e16d3b9c5d7a92fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c3a7763f5e77bc5e7304e6400dd4efb9e4fe2adfa0c5f56e16d3b9c5d7a92fd", kill_on_drop: false }`
[INFO] [stdout] 8c3a7763f5e77bc5e7304e6400dd4efb9e4fe2adfa0c5f56e16d3b9c5d7a92fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "f566ab192006b5bd9a93bbb976fba9875e7ff5faf0db2ff7c094cf091e1598ca", kill_on_drop: false }`
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[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/worker.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct WorkerConfig {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WorkerConfig` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `send_stop` is never read
[INFO] [stdout]   --> src/worker.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Worker {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 33 |     send_stop: Sender<()>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `wait` is never used
[INFO] [stdout]   --> src/worker.rs:48:18
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl Worker {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub async fn wait(self) -> anyhow::Result<()> {
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 12s
[INFO] running `Command { std: "docker" "inspect" "f566ab192006b5bd9a93bbb976fba9875e7ff5faf0db2ff7c094cf091e1598ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f566ab192006b5bd9a93bbb976fba9875e7ff5faf0db2ff7c094cf091e1598ca", kill_on_drop: false }`
[INFO] [stdout] f566ab192006b5bd9a93bbb976fba9875e7ff5faf0db2ff7c094cf091e1598ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 228f01be8adc9928eda1a2fbbab77da14ae4fa3c86e8b1fa58484efc310ac03a
[INFO] running `Command { std: "docker" "start" "-a" "228f01be8adc9928eda1a2fbbab77da14ae4fa3c86e8b1fa58484efc310ac03a", kill_on_drop: false }`
[INFO] [stderr]    Compiling melminter v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/worker.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct WorkerConfig {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WorkerConfig` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `send_stop` is never read
[INFO] [stdout]   --> src/worker.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Worker {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 33 |     send_stop: Sender<()>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `wait` is never used
[INFO] [stdout]   --> src/worker.rs:48:18
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl Worker {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub async fn wait(self) -> anyhow::Result<()> {
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `Command { std: "docker" "inspect" "228f01be8adc9928eda1a2fbbab77da14ae4fa3c86e8b1fa58484efc310ac03a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "228f01be8adc9928eda1a2fbbab77da14ae4fa3c86e8b1fa58484efc310ac03a", kill_on_drop: false }`
[INFO] [stdout] 228f01be8adc9928eda1a2fbbab77da14ae4fa3c86e8b1fa58484efc310ac03a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7622ddc0086cd709d9bb785cba33328065cb3df6c79e1c797e1dcd42f61b892e
[INFO] running `Command { std: "docker" "start" "-a" "7622ddc0086cd709d9bb785cba33328065cb3df6c79e1c797e1dcd42f61b892e", kill_on_drop: false }`
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]   --> src/worker.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub struct WorkerConfig {
[INFO] [stderr]    |            ------------ field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 25 |     pub name: String,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `WorkerConfig` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `send_stop` is never read
[INFO] [stderr]   --> src/worker.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub struct Worker {
[INFO] [stderr]    |            ------ field in this struct
[INFO] [stderr] 33 |     send_stop: Sender<()>,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `wait` is never used
[INFO] [stderr]   --> src/worker.rs:48:18
[INFO] [stderr]    |
[INFO] [stderr] 37 | impl Worker {
[INFO] [stderr]    | ----------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 48 |     pub async fn wait(self) -> anyhow::Result<()> {
[INFO] [stderr]    |                  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `melminter` (bin "melminter" test) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/melminter-3576e58829844365)
[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" "7622ddc0086cd709d9bb785cba33328065cb3df6c79e1c797e1dcd42f61b892e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7622ddc0086cd709d9bb785cba33328065cb3df6c79e1c797e1dcd42f61b892e", kill_on_drop: false }`
[INFO] [stdout] 7622ddc0086cd709d9bb785cba33328065cb3df6c79e1c797e1dcd42f61b892e