[INFO] cloning repository https://github.com/mobad/rustichip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mobad/rustichip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmobad%2Frustichip8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmobad%2Frustichip8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 778422dc53a549eb27bbcb8b7c4bcd044e2c65f2
[INFO] building mobad/rustichip8 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmobad%2Frustichip8" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mobad/rustichip8 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mobad/rustichip8
[INFO] finished tweaking git repo https://github.com/mobad/rustichip8
[INFO] tweaked toml for git repo https://github.com/mobad/rustichip8 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mobad/rustichip8 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3bcf40f08dc919599e467ec0a198f733b6571bac233b278e7b7ff1d9f038562
[INFO] running `Command { std: "docker" "start" "-a" "d3bcf40f08dc919599e467ec0a198f733b6571bac233b278e7b7ff1d9f038562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3bcf40f08dc919599e467ec0a198f733b6571bac233b278e7b7ff1d9f038562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3bcf40f08dc919599e467ec0a198f733b6571bac233b278e7b7ff1d9f038562", kill_on_drop: false }`
[INFO] [stdout] d3bcf40f08dc919599e467ec0a198f733b6571bac233b278e7b7ff1d9f038562
[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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b88a06aae410b975e680d242c8b727d247a9d69744eb959b928f647aa81afe3f
[INFO] running `Command { std: "docker" "start" "-a" "b88a06aae410b975e680d242c8b727d247a9d69744eb959b928f647aa81afe3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.3
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling termion v1.5.1
[INFO] [stderr]    Compiling rustichip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `vx`
[INFO] [stdout]    --> src/main.rs:200:19
[INFO] [stdout]     |
[INFO] [stdout] 200 |             (0xE, vx, 0x9, 0xE) => {
[INFO] [stdout]     |                   ^^ help: if this is intentional, prefix it with an underscore: `_vx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vx`
[INFO] [stdout]    --> src/main.rs:207:19
[INFO] [stdout]     |
[INFO] [stdout] 207 |             (0xE, vx, 0xA, 0x1) => {
[INFO] [stdout]     |                   ^^ help: if this is intentional, prefix it with an underscore: `_vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.53s
[INFO] running `Command { std: "docker" "inspect" "b88a06aae410b975e680d242c8b727d247a9d69744eb959b928f647aa81afe3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b88a06aae410b975e680d242c8b727d247a9d69744eb959b928f647aa81afe3f", kill_on_drop: false }`
[INFO] [stdout] b88a06aae410b975e680d242c8b727d247a9d69744eb959b928f647aa81afe3f
[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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6c9ce80a138f6e404f50667cd5678a21b7c50ead79adbef91ae6e7f4a5e71b8
[INFO] running `Command { std: "docker" "start" "-a" "f6c9ce80a138f6e404f50667cd5678a21b7c50ead79adbef91ae6e7f4a5e71b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustichip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `vx`
[INFO] [stdout]    --> src/main.rs:200:19
[INFO] [stdout]     |
[INFO] [stdout] 200 |             (0xE, vx, 0x9, 0xE) => {
[INFO] [stdout]     |                   ^^ help: if this is intentional, prefix it with an underscore: `_vx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vx`
[INFO] [stdout]    --> src/main.rs:207:19
[INFO] [stdout]     |
[INFO] [stdout] 207 |             (0xE, vx, 0xA, 0x1) => {
[INFO] [stdout]     |                   ^^ help: if this is intentional, prefix it with an underscore: `_vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "f6c9ce80a138f6e404f50667cd5678a21b7c50ead79adbef91ae6e7f4a5e71b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6c9ce80a138f6e404f50667cd5678a21b7c50ead79adbef91ae6e7f4a5e71b8", kill_on_drop: false }`
[INFO] [stdout] f6c9ce80a138f6e404f50667cd5678a21b7c50ead79adbef91ae6e7f4a5e71b8