[INFO] fetching crate lc3asm 0.1.2...
[INFO] checking lc3asm-0.1.2 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate lc3asm 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate lc3asm 0.1.2 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lc3asm 0.1.2
[INFO] finished tweaking crates.io crate lc3asm 0.1.2
[INFO] tweaked toml for crates.io crate lc3asm 0.1.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate lc3asm 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--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-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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eca0f5db80e96c47b6d17288297ebab2df2a9452d2a095fe88150ebbb9aa7a26
[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" "eca0f5db80e96c47b6d17288297ebab2df2a9452d2a095fe88150ebbb9aa7a26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eca0f5db80e96c47b6d17288297ebab2df2a9452d2a095fe88150ebbb9aa7a26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eca0f5db80e96c47b6d17288297ebab2df2a9452d2a095fe88150ebbb9aa7a26", kill_on_drop: false }`
[INFO] [stdout] eca0f5db80e96c47b6d17288297ebab2df2a9452d2a095fe88150ebbb9aa7a26
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 079c21be9ad43e91aef86677fb23ccc266f1b27bcc7270ecae8e82c51aa10f7c
[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" "079c21be9ad43e91aef86677fb23ccc266f1b27bcc7270ecae8e82c51aa10f7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling cc v1.0.40
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.11
[INFO] [stderr]    Compiling arraydeque v0.4.5
[INFO] [stderr]     Checking lc3-rs v0.4.3
[INFO] [stderr]     Checking bitstream-io v0.8.4
[INFO] [stderr]     Checking unescape v0.1.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]     Checking getopts v0.2.19
[INFO] [stderr]     Checking pest v2.1.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking clicolors-control v1.0.0
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking pretty-bytes v0.2.2
[INFO] [stderr]    Compiling pest_meta v2.1.1
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]     Checking backtrace v0.3.34
[INFO] [stderr]     Checking regex v1.2.1
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking console v0.7.7
[INFO] [stderr]     Checking lc3dbg v1.2.2
[INFO] [stderr]     Checking lc3asm v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> src/symbol_table.rs:49:23
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let (symbols, size, entry) = crate::first_pass(&parsed)?;
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.47s
[INFO] running `Command { std: "docker" "inspect" "079c21be9ad43e91aef86677fb23ccc266f1b27bcc7270ecae8e82c51aa10f7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "079c21be9ad43e91aef86677fb23ccc266f1b27bcc7270ecae8e82c51aa10f7c", kill_on_drop: false }`
[INFO] [stdout] 079c21be9ad43e91aef86677fb23ccc266f1b27bcc7270ecae8e82c51aa10f7c