[INFO] cloning repository https://github.com/nasso/rscc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nasso/rscc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnasso%2Frscc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnasso%2Frscc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c6715bcc37b0b06ad6423af7c4d762289df66921
[INFO] checking nasso/rscc against try#4a23c45c7893f1416456144e3883cc48ea91722e for pr-82322
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnasso%2Frscc" "/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/nasso/rscc on toolchain 4a23c45c7893f1416456144e3883cc48ea91722e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nasso/rscc
[INFO] finished tweaking git repo https://github.com/nasso/rscc
[INFO] tweaked toml for git repo https://github.com/nasso/rscc written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/nasso/rscc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lexical-core v0.4.0
[INFO] [stderr]   Downloaded stackvector v1.0.2
[INFO] [stderr]   Downloaded nom v5.0.0-beta2
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f0873730cc196e7bd43b5e583ed108a16562c4c8d0631d856a2100ce05096a3
[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" "4f0873730cc196e7bd43b5e583ed108a16562c4c8d0631d856a2100ce05096a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f0873730cc196e7bd43b5e583ed108a16562c4c8d0631d856a2100ce05096a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f0873730cc196e7bd43b5e583ed108a16562c4c8d0631d856a2100ce05096a3", kill_on_drop: false }`
[INFO] [stdout] 4f0873730cc196e7bd43b5e583ed108a16562c4c8d0631d856a2100ce05096a3
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1877974df22f38cf4eabcd0bc36ca7a2bdb29602668bc70c7fc0c36f1e3a3466
[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" "1877974df22f38cf4eabcd0bc36ca7a2bdb29602668bc70c7fc0c36f1e3a3466", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking static_assertions v0.2.5
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking stackvector v1.0.2
[INFO] [stderr]    Compiling nom v5.0.0-beta2
[INFO] [stderr]     Checking lexical-core v0.4.0
[INFO] [stderr]     Checking rscc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `pp_tokens`
[INFO] [stdout]   --> src/pre/mod.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let pp_tokens = parse::parse_preprocessing_file::<VerboseError<&str>>(&source)
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pp_tokens`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pp_tokens`
[INFO] [stdout]   --> src/pre/mod.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let pp_tokens = parse::parse_preprocessing_file::<VerboseError<&str>>(&source)
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pp_tokens`
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.28s
[INFO] running `Command { std: "docker" "inspect" "1877974df22f38cf4eabcd0bc36ca7a2bdb29602668bc70c7fc0c36f1e3a3466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1877974df22f38cf4eabcd0bc36ca7a2bdb29602668bc70c7fc0c36f1e3a3466", kill_on_drop: false }`
[INFO] [stdout] 1877974df22f38cf4eabcd0bc36ca7a2bdb29602668bc70c7fc0c36f1e3a3466