[INFO] cloning repository https://github.com/jlricon/rust-impl-struct
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jlricon/rust-impl-struct" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjlricon%2Frust-impl-struct", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjlricon%2Frust-impl-struct'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c4468cd7de4563524ff61825717726369359f75
[INFO] testing jlricon/rust-impl-struct against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjlricon%2Frust-impl-struct" "/workspace/builds/worker-73/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-73/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jlricon/rust-impl-struct on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jlricon/rust-impl-struct
[INFO] finished tweaking git repo https://github.com/jlricon/rust-impl-struct
[INFO] tweaked toml for git repo https://github.com/jlricon/rust-impl-struct written to /workspace/builds/worker-73/source/Cargo.toml
[INFO] crate git repo https://github.com/jlricon/rust-impl-struct already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 458b083540f54d2d46c3225ab4f8a7562e265922eee84a0d1d50514e09ec6a91
[INFO] running `Command { std: "docker" "start" "-a" "458b083540f54d2d46c3225ab4f8a7562e265922eee84a0d1d50514e09ec6a91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "458b083540f54d2d46c3225ab4f8a7562e265922eee84a0d1d50514e09ec6a91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "458b083540f54d2d46c3225ab4f8a7562e265922eee84a0d1d50514e09ec6a91", kill_on_drop: false }`
[INFO] [stdout] 458b083540f54d2d46c3225ab4f8a7562e265922eee84a0d1d50514e09ec6a91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58ff634b51a141ee936f566df605573849767840f026f0d3fd5ae1a29222844d
[INFO] running `Command { std: "docker" "start" "-a" "58ff634b51a141ee936f566df605573849767840f026f0d3fd5ae1a29222844d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-impl-struct v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "58ff634b51a141ee936f566df605573849767840f026f0d3fd5ae1a29222844d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58ff634b51a141ee936f566df605573849767840f026f0d3fd5ae1a29222844d", kill_on_drop: false }`
[INFO] [stdout] 58ff634b51a141ee936f566df605573849767840f026f0d3fd5ae1a29222844d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fda6800e09186910489f01fc4ce5c289310cb861c71971351c2adbeebab56856
[INFO] running `Command { std: "docker" "start" "-a" "fda6800e09186910489f01fc4ce5c289310cb861c71971351c2adbeebab56856", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-impl-struct v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]   --> examples/traits_1.rs:12:24
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn step_one(&self, d: &mut Data, c: &Config) {}
[INFO] [stdout]    |                        ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> examples/traits_1.rs:12:38
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn step_one(&self, d: &mut Data, c: &Config) {}
[INFO] [stdout]    |                                      ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]   --> examples/traits_1.rs:13:24
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn step_two(&self, d: &mut Data, c: &Config) {}
[INFO] [stdout]    |                        ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> examples/traits_1.rs:13:38
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn step_two(&self, d: &mut Data, c: &Config) {}
[INFO] [stdout]    |                                      ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]   --> examples/traits.rs:11:24
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn step_one(&self, d: &mut Data, c: &Config) {}
[INFO] [stdout]    |                        ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> examples/traits.rs:11:38
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn step_one(&self, d: &mut Data, c: &Config) {}
[INFO] [stdout]    |                                      ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]   --> examples/traits.rs:12:24
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn step_two(&self, d: &mut Data, c: &Config) {}
[INFO] [stdout]    |                        ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> examples/traits.rs:12:38
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn step_two(&self, d: &mut Data, c: &Config) {}
[INFO] [stdout]    |                                      ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.04s
[INFO] running `Command { std: "docker" "inspect" "fda6800e09186910489f01fc4ce5c289310cb861c71971351c2adbeebab56856", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fda6800e09186910489f01fc4ce5c289310cb861c71971351c2adbeebab56856", kill_on_drop: false }`
[INFO] [stdout] fda6800e09186910489f01fc4ce5c289310cb861c71971351c2adbeebab56856
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 259b246d789be56a2872c26c4df14b9177d702c909603049b184e66fc22bcf82
[INFO] running `Command { std: "docker" "start" "-a" "259b246d789be56a2872c26c4df14b9177d702c909603049b184e66fc22bcf82", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `d`
[INFO] [stderr]   --> examples/traits.rs:11:24
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn step_one(&self, d: &mut Data, c: &Config) {}
[INFO] [stderr]    |                        ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> examples/traits.rs:11:38
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn step_one(&self, d: &mut Data, c: &Config) {}
[INFO] [stderr]    |                                      ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `d`
[INFO] [stderr]   --> examples/traits.rs:12:24
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn step_two(&self, d: &mut Data, c: &Config) {}
[INFO] [stderr]    |                        ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> examples/traits.rs:12:38
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn step_two(&self, d: &mut Data, c: &Config) {}
[INFO] [stderr]    |                                      ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-impl-struct` (example "traits") generated 4 warnings
[INFO] [stderr] warning: unused variable: `d`
[INFO] [stderr]   --> examples/traits_1.rs:12:24
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn step_one(&self, d: &mut Data, c: &Config) {}
[INFO] [stderr]    |                        ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> examples/traits_1.rs:12:38
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn step_one(&self, d: &mut Data, c: &Config) {}
[INFO] [stderr]    |                                      ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `d`
[INFO] [stderr]   --> examples/traits_1.rs:13:24
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn step_two(&self, d: &mut Data, c: &Config) {}
[INFO] [stderr]    |                        ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> examples/traits_1.rs:13:38
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn step_two(&self, d: &mut Data, c: &Config) {}
[INFO] [stderr]    |                                      ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-impl-struct` (example "traits_1") generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_impl_struct-2989878e1cebd370)
[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" "259b246d789be56a2872c26c4df14b9177d702c909603049b184e66fc22bcf82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "259b246d789be56a2872c26c4df14b9177d702c909603049b184e66fc22bcf82", kill_on_drop: false }`
[INFO] [stdout] 259b246d789be56a2872c26c4df14b9177d702c909603049b184e66fc22bcf82