[INFO] cloning repository https://github.com/dmcardle/jitre
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dmcardle/jitre" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmcardle%2Fjitre", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmcardle%2Fjitre'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f58f4e49d8206ec5190dffac165be3da18e4a5d4
[INFO] checking dmcardle/jitre against try#5ff93158e08fa2205cd4b86cddf9eae95952cc96 for pr-129543-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmcardle%2Fjitre" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dmcardle/jitre
[INFO] finished tweaking git repo https://github.com/dmcardle/jitre
[INFO] tweaked toml for git repo https://github.com/dmcardle/jitre written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dmcardle/jitre on toolchain 5ff93158e08fa2205cd4b86cddf9eae95952cc96
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ff93158e08fa2205cd4b86cddf9eae95952cc96" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dmcardle/jitre 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" "+5ff93158e08fa2205cd4b86cddf9eae95952cc96" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+5ff93158e08fa2205cd4b86cddf9eae95952cc96" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae9af04d3dd36d96151be847d8b75fd40d86c59448cf02fd007cf2d4998911db
[INFO] running `Command { std: "docker" "start" "-a" "ae9af04d3dd36d96151be847d8b75fd40d86c59448cf02fd007cf2d4998911db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae9af04d3dd36d96151be847d8b75fd40d86c59448cf02fd007cf2d4998911db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae9af04d3dd36d96151be847d8b75fd40d86c59448cf02fd007cf2d4998911db", kill_on_drop: false }`
[INFO] [stdout] ae9af04d3dd36d96151be847d8b75fd40d86c59448cf02fd007cf2d4998911db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+5ff93158e08fa2205cd4b86cddf9eae95952cc96" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7131c5403d95e8b95ff5683df3fad730e4049359ec6049035a258ace3d9d9627
[INFO] running `Command { std: "docker" "start" "-a" "7131c5403d95e8b95ff5683df3fad730e4049359ec6049035a258ace3d9d9627", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking regex-compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `assemble` is never used
[INFO] [stdout]   --> src/machine.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn assemble(instructions: &[SimpleOp]) -> Vec<u8> {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_machine_code` is never used
[INFO] [stdout]    --> src/machine.rs:166:4
[INFO] [stdout]     |
[INFO] [stdout] 166 | fn run_machine_code(code: &[u8], line: &str) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/machine.rs:185:9
[INFO] [stdout]     |
[INFO] [stdout] 185 |         std::mem::drop(raw_addr);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^--------^
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        argument has type `*mut c_void`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 185 -         std::mem::drop(raw_addr);
[INFO] [stdout] 185 +         let _ = raw_addr;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/machine.rs:185:9
[INFO] [stdout]     |
[INFO] [stdout] 185 |         std::mem::drop(raw_addr);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^--------^
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        argument has type `*mut c_void`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 185 -         std::mem::drop(raw_addr);
[INFO] [stdout] 185 +         let _ = raw_addr;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "7131c5403d95e8b95ff5683df3fad730e4049359ec6049035a258ace3d9d9627", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7131c5403d95e8b95ff5683df3fad730e4049359ec6049035a258ace3d9d9627", kill_on_drop: false }`
[INFO] [stdout] 7131c5403d95e8b95ff5683df3fad730e4049359ec6049035a258ace3d9d9627