[INFO] cloning repository https://github.com/Jonaskleng99/Naskleng19
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jonaskleng99/Naskleng19" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonaskleng99%2FNaskleng19", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonaskleng99%2FNaskleng19'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 895109beb1cccb5d591c20e78af92140e2702439
[INFO] checking Jonaskleng99/Naskleng19 against master#8317fef20409adedaa7c385fa6e954867bf626fc for pr-154149-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonaskleng99%2FNaskleng19" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc1/source/.cargo/config
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/Jonaskleng99/Naskleng19
[INFO] finished tweaking git repo https://github.com/Jonaskleng99/Naskleng19
[INFO] tweaked toml for git repo https://github.com/Jonaskleng99/Naskleng19 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Jonaskleng99/Naskleng19 on toolchain 8317fef20409adedaa7c385fa6e954867bf626fc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8317fef20409adedaa7c385fa6e954867bf626fc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Jonaskleng99/Naskleng19 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8317fef20409adedaa7c385fa6e954867bf626fc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded never-say-never v6.6.666
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8317fef20409adedaa7c385fa6e954867bf626fc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ef1b285478069f4873c9c00f18f7706ee195673e774bf5f2e6ebb973d5ea3b5
[INFO] running `Command { std: "docker" "start" "-a" "8ef1b285478069f4873c9c00f18f7706ee195673e774bf5f2e6ebb973d5ea3b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ef1b285478069f4873c9c00f18f7706ee195673e774bf5f2e6ebb973d5ea3b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ef1b285478069f4873c9c00f18f7706ee195673e774bf5f2e6ebb973d5ea3b5", kill_on_drop: false }`
[INFO] [stdout] 8ef1b285478069f4873c9c00f18f7706ee195673e774bf5f2e6ebb973d5ea3b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8317fef20409adedaa7c385fa6e954867bf626fc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6067da54db60384e0f7afb0a891258886a85fa0ec6801bfbb6c1a5b88f05b103
[INFO] running `Command { std: "docker" "start" "-a" "6067da54db60384e0f7afb0a891258886a85fa0ec6801bfbb6c1a5b88f05b103", kill_on_drop: false }`
[INFO] [stderr]    Compiling ghosts-proc_macros v0.1.0 (/opt/rustwide/workdir/src/proc_macros)
[INFO] [stderr]     Checking never-say-never v6.6.666
[INFO] [stderr]     Checking ghosts v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/expr.rs:39:38
[INFO] [stdout]    |
[INFO] [stdout] 39 |     struct OutsideOfAGhostBlockError(u8);
[INFO] [stdout]    |            ------------------------- ^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/expr.rs:39:38
[INFO] [stdout]    |
[INFO] [stdout] 39 |     struct OutsideOfAGhostBlockError(u8);
[INFO] [stdout]    |            ------------------------- ^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "6067da54db60384e0f7afb0a891258886a85fa0ec6801bfbb6c1a5b88f05b103", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6067da54db60384e0f7afb0a891258886a85fa0ec6801bfbb6c1a5b88f05b103", kill_on_drop: false }`
[INFO] [stdout] 6067da54db60384e0f7afb0a891258886a85fa0ec6801bfbb6c1a5b88f05b103