[INFO] cloning repository https://github.com/iamwwc/rust-by-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iamwwc/rust-by-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamwwc%2Frust-by-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamwwc%2Frust-by-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4eb6244de3c32c62ef24c84bb5cb3eb5819b5d78
[INFO] checking iamwwc/rust-by-example against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamwwc%2Frust-by-example" "/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/iamwwc/rust-by-example on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iamwwc/rust-by-example
[INFO] finished tweaking git repo https://github.com/iamwwc/rust-by-example
[INFO] tweaked toml for git repo https://github.com/iamwwc/rust-by-example written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/iamwwc/rust-by-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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] ffe4e4b008f1a2a70861b0b5b629295e7083740e9272fd6e2663f87b33477bb1
[INFO] running `Command { std: "docker" "start" "-a" "ffe4e4b008f1a2a70861b0b5b629295e7083740e9272fd6e2663f87b33477bb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffe4e4b008f1a2a70861b0b5b629295e7083740e9272fd6e2663f87b33477bb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffe4e4b008f1a2a70861b0b5b629295e7083740e9272fd6e2663f87b33477bb1", kill_on_drop: false }`
[INFO] [stdout] ffe4e4b008f1a2a70861b0b5b629295e7083740e9272fd6e2663f87b33477bb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-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" "RUSTUP_TOOLCHAIN=3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "-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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/tmp/crater-runner-fifo/jobserver-crater-fwd" "/opt/rustwide/cargo-home/bin/cargo" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf05a9e3a776561f6dfe4e4dd85b56343d80d22ae8729227b970ac02be807842
[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" "cf05a9e3a776561f6dfe4e4dd85b56343d80d22ae8729227b970ac02be807842", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-by-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `Structure_Bool` should have an upper camel case name
[INFO] [stdout]   --> src/bin/format/main.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     struct Structure_Bool(bool);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `StructureBool`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Structure_Integer` should have an upper camel case name
[INFO] [stdout]   --> src/bin/format/main.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     struct Structure_Integer(i32);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `StructureInteger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `UnPrintable`
[INFO] [stdout]   --> src/bin/format/main.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     struct UnPrintable(i32);
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Structure_Bool` should have an upper camel case name
[INFO] [stdout]   --> src/bin/format/main.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     struct Structure_Bool(bool);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `StructureBool`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Structure_Integer` should have an upper camel case name
[INFO] [stdout]   --> src/bin/format/main.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     struct Structure_Integer(i32);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `StructureInteger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `UnPrintable`
[INFO] [stdout]   --> src/bin/format/main.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     struct UnPrintable(i32);
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "cf05a9e3a776561f6dfe4e4dd85b56343d80d22ae8729227b970ac02be807842", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf05a9e3a776561f6dfe4e4dd85b56343d80d22ae8729227b970ac02be807842", kill_on_drop: false }`
[INFO] [stdout] cf05a9e3a776561f6dfe4e4dd85b56343d80d22ae8729227b970ac02be807842