[INFO] cloning repository https://github.com/adam-mcdaniel/finn-assembler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adam-mcdaniel/finn-assembler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadam-mcdaniel%2Ffinn-assembler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadam-mcdaniel%2Ffinn-assembler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f2bba543ba6caf435ae693628d6cea278d0c0fc
[INFO] checking adam-mcdaniel/finn-assembler against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadam-mcdaniel%2Ffinn-assembler" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adam-mcdaniel/finn-assembler on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/adam-mcdaniel/finn-assembler
[INFO] finished tweaking git repo https://github.com/adam-mcdaniel/finn-assembler
[INFO] tweaked toml for git repo https://github.com/adam-mcdaniel/finn-assembler written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/adam-mcdaniel/finn-assembler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+90442458ac46b1d5eed752c316da25450f67285b" "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] 8e1feaa7224d9739ec4aa518f9c6f4f1c122bbed731a5ebbc829974f4123bb0c
[INFO] running `Command { std: "docker" "start" "-a" "8e1feaa7224d9739ec4aa518f9c6f4f1c122bbed731a5ebbc829974f4123bb0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e1feaa7224d9739ec4aa518f9c6f4f1c122bbed731a5ebbc829974f4123bb0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e1feaa7224d9739ec4aa518f9c6f4f1c122bbed731a5ebbc829974f4123bb0c", kill_on_drop: false }`
[INFO] [stdout] 8e1feaa7224d9739ec4aa518f9c6f4f1c122bbed731a5ebbc829974f4123bb0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 10fa74679017c6f597d72f7d7b7065f684b218dad3ee9cc77fd8c04b476136b2
[INFO] running `Command { std: "docker" "start" "-a" "10fa74679017c6f597d72f7d7b7065f684b218dad3ee9cc77fd8c04b476136b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking fs_extra v1.1.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking regex v1.1.5
[INFO] [stderr]     Checking finn-assembler v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `title`
[INFO] [stdout]   --> src/stdout.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn title() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `title`
[INFO] [stdout]   --> src/stdout.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn title() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 5.09s
[INFO] running `Command { std: "docker" "inspect" "10fa74679017c6f597d72f7d7b7065f684b218dad3ee9cc77fd8c04b476136b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10fa74679017c6f597d72f7d7b7065f684b218dad3ee9cc77fd8c04b476136b2", kill_on_drop: false }`
[INFO] [stdout] 10fa74679017c6f597d72f7d7b7065f684b218dad3ee9cc77fd8c04b476136b2