[INFO] cloning repository https://github.com/ByteNybbler/Wonderthing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ByteNybbler/Wonderthing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FByteNybbler%2FWonderthing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FByteNybbler%2FWonderthing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 963d1ff10162c28cd61d9a06dd822ede6ffbf9a0
[INFO] checking ByteNybbler/Wonderthing against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FByteNybbler%2FWonderthing" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ByteNybbler/Wonderthing on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ByteNybbler/Wonderthing
[INFO] finished tweaking git repo https://github.com/ByteNybbler/Wonderthing
[INFO] tweaked toml for git repo https://github.com/ByteNybbler/Wonderthing written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/ByteNybbler/Wonderthing already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 087914ea3de6eab75a63694b809390e147802654a9b1e5da3145108dcdd9da1b
[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" "087914ea3de6eab75a63694b809390e147802654a9b1e5da3145108dcdd9da1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "087914ea3de6eab75a63694b809390e147802654a9b1e5da3145108dcdd9da1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "087914ea3de6eab75a63694b809390e147802654a9b1e5da3145108dcdd9da1b", kill_on_drop: false }`
[INFO] [stdout] 087914ea3de6eab75a63694b809390e147802654a9b1e5da3145108dcdd9da1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 633f111b586eb85fcbe790e885f9aa666a009c34f52cf3351f6d254679096f8f
[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" "633f111b586eb85fcbe790e885f9aa666a009c34f52cf3351f6d254679096f8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking wonderthing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected item, found keyword `let`
[INFO] [stdout]  --> examples/kooky102.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | let mut lv6 = Lv6::from_file("tut1kooky102.LV6")?;
[INFO] [stdout]   | ^^^ expected item
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wonderthing` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: expected one of `!` or `::`, found `(`
[INFO] [stdout]  --> examples/tow_nonsense.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | convert_tow_to_lv6()?;
[INFO] [stdout]   |                   ^ expected one of `!` or `::`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected item, found keyword `let`
[INFO] [stdout]  --> examples/kooky101.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | let mut lv6 = Lv6::from_file("tut1.LV6")?;
[INFO] [stdout]   | ^^^ expected item
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected item, found keyword `let`
[INFO] [stdout]  --> examples/kooky100.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | let mut rng = Pcg32::from_current_time_and_address();
[INFO] [stdout]   | ^^^ expected item
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "633f111b586eb85fcbe790e885f9aa666a009c34f52cf3351f6d254679096f8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "633f111b586eb85fcbe790e885f9aa666a009c34f52cf3351f6d254679096f8f", kill_on_drop: false }`
[INFO] [stdout] 633f111b586eb85fcbe790e885f9aa666a009c34f52cf3351f6d254679096f8f