[INFO] cloning repository https://github.com/Lol3rrr/rust-facomp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lol3rrr/rust-facomp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLol3rrr%2Frust-facomp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLol3rrr%2Frust-facomp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ecdb8f287590242d54ceccbde647e1db5075674e
[INFO] checking Lol3rrr/rust-facomp against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLol3rrr%2Frust-facomp" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Lol3rrr/rust-facomp on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Lol3rrr/rust-facomp
[INFO] finished tweaking git repo https://github.com/Lol3rrr/rust-facomp
[INFO] tweaked toml for git repo https://github.com/Lol3rrr/rust-facomp written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Lol3rrr/rust-facomp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.91
[INFO] [stderr]   Downloaded env_logger v0.8.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "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] 14d2ddbc1a3902c8cacafff4ed676f7c80a1ae53e0a4331a54b045e0e637b6b6
[INFO] running `Command { std: "docker" "start" "-a" "14d2ddbc1a3902c8cacafff4ed676f7c80a1ae53e0a4331a54b045e0e637b6b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14d2ddbc1a3902c8cacafff4ed676f7c80a1ae53e0a4331a54b045e0e637b6b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14d2ddbc1a3902c8cacafff4ed676f7c80a1ae53e0a4331a54b045e0e637b6b6", kill_on_drop: false }`
[INFO] [stdout] 14d2ddbc1a3902c8cacafff4ed676f7c80a1ae53e0a4331a54b045e0e637b6b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7fbe272e79202feccce66e49efa3c383dc2eb0ac58e872175a8e77667c8a08c
[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" "b7fbe272e79202feccce66e49efa3c383dc2eb0ac58e872175a8e77667c8a08c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking facompiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `RCX`
[INFO] [stdout]  --> src/backend/archs/x86_64/asm.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     RCX,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Int`
[INFO] [stdout]   --> src/backend/archs/x86_64/asm.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     Int(String),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pretty_print`
[INFO] [stdout]   --> src/backend/archs/x86_64/asm.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub fn pretty_print(instructions: &[Instruction]) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RCX`
[INFO] [stdout]  --> src/backend/archs/x86_64/asm.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     RCX,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Int`
[INFO] [stdout]   --> src/backend/archs/x86_64/asm.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     Int(String),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pretty_print`
[INFO] [stdout]   --> src/backend/archs/x86_64/asm.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub fn pretty_print(instructions: &[Instruction]) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.30s
[INFO] running `Command { std: "docker" "inspect" "b7fbe272e79202feccce66e49efa3c383dc2eb0ac58e872175a8e77667c8a08c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7fbe272e79202feccce66e49efa3c383dc2eb0ac58e872175a8e77667c8a08c", kill_on_drop: false }`
[INFO] [stdout] b7fbe272e79202feccce66e49efa3c383dc2eb0ac58e872175a8e77667c8a08c