[INFO] crate lc3asm 0.1.2 is already in cache
[INFO] checking lc3asm-0.1.2 against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] extracting crate lc3asm 0.1.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate lc3asm 0.1.2 on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", 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-10/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" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22f89f41beb899516b76582ea541b73e4bfd842d122a4bdf9898fab467af03e0
[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" "22f89f41beb899516b76582ea541b73e4bfd842d122a4bdf9898fab467af03e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22f89f41beb899516b76582ea541b73e4bfd842d122a4bdf9898fab467af03e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22f89f41beb899516b76582ea541b73e4bfd842d122a4bdf9898fab467af03e0", kill_on_drop: false }`
[INFO] [stdout] 22f89f41beb899516b76582ea541b73e4bfd842d122a4bdf9898fab467af03e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8026834124ae88b7344d8525344397f9cc8810b2d3ca8e63978fbf792f445e4d
[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" "8026834124ae88b7344d8525344397f9cc8810b2d3ca8e63978fbf792f445e4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling arraydeque v0.4.5
[INFO] [stderr]     Checking lc3-rs v0.4.3
[INFO] [stderr]     Checking unescape v0.1.0
[INFO] [stderr]     Checking bitstream-io v0.8.4
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]     Checking pest v2.1.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking backtrace-sys v0.1.31
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking clicolors-control v1.0.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking backtrace v0.3.34
[INFO] [stderr]     Checking pretty-bytes v0.2.2
[INFO] [stderr]    Compiling pest_meta v2.1.1
[INFO] [stderr]     Checking regex v1.2.1
[INFO] [stderr]     Checking console v0.7.7
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking lc3asm v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking lc3dbg v1.2.2
[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 37.87s
[INFO] running `Command { std: "docker" "inspect" "8026834124ae88b7344d8525344397f9cc8810b2d3ca8e63978fbf792f445e4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8026834124ae88b7344d8525344397f9cc8810b2d3ca8e63978fbf792f445e4d", kill_on_drop: false }`
[INFO] [stdout] 8026834124ae88b7344d8525344397f9cc8810b2d3ca8e63978fbf792f445e4d