[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] checking jlricon/rust-impl-struct against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjlricon%2Frust-impl-struct" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jlricon/rust-impl-struct on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", 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-0/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" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7e34cc282d8d3a58dcdc0932263cce39defa7acb389c9d22d53bdaef8a2ac2eb
[INFO] running `Command { std: "docker" "start" "-a" "7e34cc282d8d3a58dcdc0932263cce39defa7acb389c9d22d53bdaef8a2ac2eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e34cc282d8d3a58dcdc0932263cce39defa7acb389c9d22d53bdaef8a2ac2eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e34cc282d8d3a58dcdc0932263cce39defa7acb389c9d22d53bdaef8a2ac2eb", kill_on_drop: false }`
[INFO] [stdout] 7e34cc282d8d3a58dcdc0932263cce39defa7acb389c9d22d53bdaef8a2ac2eb
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcd445175a6a70d691e403ad0316c5a5f1e6ad057c7b126c1ea261ba168ba37f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fcd445175a6a70d691e403ad0316c5a5f1e6ad057c7b126c1ea261ba168ba37f", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-impl-struct v0.1.0 (/opt/rustwide/workdir)
[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: 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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "fcd445175a6a70d691e403ad0316c5a5f1e6ad057c7b126c1ea261ba168ba37f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcd445175a6a70d691e403ad0316c5a5f1e6ad057c7b126c1ea261ba168ba37f", kill_on_drop: false }`
[INFO] [stdout] fcd445175a6a70d691e403ad0316c5a5f1e6ad057c7b126c1ea261ba168ba37f