[INFO] fetching crate direct-asm 0.0.1-alpha...
[INFO] checking direct-asm-0.0.1-alpha against try#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312
[INFO] extracting crate direct-asm 0.0.1-alpha into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate direct-asm 0.0.1-alpha on toolchain 32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate direct-asm 0.0.1-alpha
[INFO] finished tweaking crates.io crate direct-asm 0.0.1-alpha
[INFO] tweaked toml for crates.io crate direct-asm 0.0.1-alpha written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dynasm-lib v0.1.0-alpha
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca0f8d5ed75c873b3b24ad390bf2c5b0812b739c797e0a019fe4d0a8d0441ff9
[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" "ca0f8d5ed75c873b3b24ad390bf2c5b0812b739c797e0a019fe4d0a8d0441ff9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca0f8d5ed75c873b3b24ad390bf2c5b0812b739c797e0a019fe4d0a8d0441ff9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca0f8d5ed75c873b3b24ad390bf2c5b0812b739c797e0a019fe4d0a8d0441ff9", kill_on_drop: false }`
[INFO] [stdout] ca0f8d5ed75c873b3b24ad390bf2c5b0812b739c797e0a019fe4d0a8d0441ff9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f12bc138977a5dc73b0ce505890f7fd34362b9a37de2f731040daa4e38f0fc4
[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" "1f12bc138977a5dc73b0ce505890f7fd34362b9a37de2f731040daa4e38f0fc4", kill_on_drop: false }`
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]     Checking syn v1.0.64
[INFO] [stderr]     Checking dynasm-lib v0.1.0-alpha
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking direct-asm v0.0.1-alpha (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `st`
[INFO] [stdout]    --> src/att.rs:324:17
[INFO] [stdout]     |
[INFO] [stdout] 324 |     fn from_str(st: &str) -> Result<Self, Error> {
[INFO] [stdout]     |                 ^^ help: if this is intentional, prefix it with an underscore: `_st`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `st`
[INFO] [stdout]    --> src/att.rs:324:17
[INFO] [stdout]     |
[INFO] [stdout] 324 |     fn from_str(st: &str) -> Result<Self, Error> {
[INFO] [stdout]     |                 ^^ help: if this is intentional, prefix it with an underscore: `_st`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_statement`
[INFO] [stdout]    --> src/att.rs:193:12
[INFO] [stdout]     |
[INFO] [stdout] 193 |     pub fn as_statement(&self) -> Option<&Statement> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_directive`
[INFO] [stdout]    --> src/att.rs:200:12
[INFO] [stdout]     |
[INFO] [stdout] 200 |     pub fn as_directive(&self) -> Option<&Directive> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.90s
[INFO] running `Command { std: "docker" "inspect" "1f12bc138977a5dc73b0ce505890f7fd34362b9a37de2f731040daa4e38f0fc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f12bc138977a5dc73b0ce505890f7fd34362b9a37de2f731040daa4e38f0fc4", kill_on_drop: false }`
[INFO] [stdout] 1f12bc138977a5dc73b0ce505890f7fd34362b9a37de2f731040daa4e38f0fc4