[INFO] cloning repository https://github.com/ut-utp/assembler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ut-utp/assembler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fut-utp%2Fassembler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fut-utp%2Fassembler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b0efc5f93c70b4705a3879b1a194f05da16f2e4f
[INFO] checking ut-utp/assembler against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fut-utp%2Fassembler" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ut-utp/assembler on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ut-utp/assembler
[INFO] finished tweaking git repo https://github.com/ut-utp/assembler
[INFO] tweaked toml for git repo https://github.com/ut-utp/assembler written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/ut-utp/assembler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/ut-utp/core`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-8/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/ut-utp/core`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87a842cc7054d1f3676446866b8b419146d721b9ee66eec2376e39868f6ea1bd
[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" "87a842cc7054d1f3676446866b8b419146d721b9ee66eec2376e39868f6ea1bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87a842cc7054d1f3676446866b8b419146d721b9ee66eec2376e39868f6ea1bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87a842cc7054d1f3676446866b8b419146d721b9ee66eec2376e39868f6ea1bd", kill_on_drop: false }`
[INFO] [stdout] 87a842cc7054d1f3676446866b8b419146d721b9ee66eec2376e39868f6ea1bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b087e396e6695879d642b292cb80b7cd99bf8d58f62d4e0d536ea69ada2a1a8
[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" "7b087e396e6695879d642b292cb80b7cd99bf8d58f62d4e0d536ea69ada2a1a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking yansi-term v0.1.2
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking annotate-snippets v0.8.0
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking timer v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling lc3-macros v0.1.0 (https://github.com/ut-utp/core?branch=master#1e9a83d3)
[INFO] [stderr]     Checking lc3-isa v0.1.0 (https://github.com/ut-utp/core?branch=master#1e9a83d3)
[INFO] [stderr]     Checking lc3-traits v0.1.0 (https://github.com/ut-utp/core?branch=master#1e9a83d3)
[INFO] [stderr]     Checking lc3-shims v0.1.0 (https://github.com/ut-utp/core?branch=master#1e9a83d3)
[INFO] [stderr]     Checking lc3-baseline-sim v0.1.0 (https://github.com/ut-utp/core?branch=master#1e9a83d3)
[INFO] [stderr]     Checking lc3-os v0.1.0 (https://github.com/ut-utp/core?branch=master#1e9a83d3)
[INFO] [stderr] error: could not compile `lc3-os`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name lc3_os --edition=2018 /opt/rustwide/cargo-home/git/checkouts/core-00a00336878d7416/1e9a83d/os/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=470524daee2356d8 -C extra-filename=-470524daee2356d8 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-df97b860f7a76404.rmeta --extern lc3_baseline_sim=/opt/rustwide/target/debug/deps/liblc3_baseline_sim-ea902668178f940c.rmeta --extern lc3_isa=/opt/rustwide/target/debug/deps/liblc3_isa-c3ce6b36fa4f803a.rmeta --extern lc3_macros=/opt/rustwide/target/debug/deps/liblc3_macros-21be596b992856f5.so --extern lc3_shims=/opt/rustwide/target/debug/deps/liblc3_shims-f05dcbf29013eab8.rmeta --extern lc3_traits=/opt/rustwide/target/debug/deps/liblc3_traits-d420c78b5f4802ca.rmeta --extern static_assertions=/opt/rustwide/target/debug/deps/libstatic_assertions-007ab24b5dcce8b7.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "7b087e396e6695879d642b292cb80b7cd99bf8d58f62d4e0d536ea69ada2a1a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b087e396e6695879d642b292cb80b7cd99bf8d58f62d4e0d536ea69ada2a1a8", kill_on_drop: false }`
[INFO] [stdout] 7b087e396e6695879d642b292cb80b7cd99bf8d58f62d4e0d536ea69ada2a1a8