[INFO] cloning repository https://github.com/MatheusRich/lambda-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MatheusRich/lambda-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatheusRich%2Flambda-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatheusRich%2Flambda-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 499e44fff250c70fc632c698a46ec9eab0a17c48
[INFO] checking MatheusRich/lambda-lang against master#7dc9ff5c629753b6930ecfe9a0446538b8e25fb7 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatheusRich%2Flambda-lang" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MatheusRich/lambda-lang on toolchain 7dc9ff5c629753b6930ecfe9a0446538b8e25fb7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MatheusRich/lambda-lang
[INFO] finished tweaking git repo https://github.com/MatheusRich/lambda-lang
[INFO] tweaked toml for git repo https://github.com/MatheusRich/lambda-lang written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/MatheusRich/lambda-lang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1fe192e728789f363994aa274f46d3458f2dcb6f789d7064b7bae9f800dc3951
[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" "1fe192e728789f363994aa274f46d3458f2dcb6f789d7064b7bae9f800dc3951", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fe192e728789f363994aa274f46d3458f2dcb6f789d7064b7bae9f800dc3951", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fe192e728789f363994aa274f46d3458f2dcb6f789d7064b7bae9f800dc3951", kill_on_drop: false }`
[INFO] [stdout] 1fe192e728789f363994aa274f46d3458f2dcb6f789d7064b7bae9f800dc3951
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1439b28ca37853ed253c2136a8a95d4e2945774e80bd3c44052198b9a3805f69
[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" "1439b28ca37853ed253c2136a8a95d4e2945774e80bd3c44052198b9a3805f69", kill_on_drop: false }`
[INFO] [stderr]     Checking lambda-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0624]: associated function `read_next` is private
[INFO] [stdout]   --> src/main.rs:13:51
[INFO] [stdout]    |
[INFO] [stdout] 13 |     if let Token::Num { value: s } = token_stream.read_next().unwrap() {
[INFO] [stdout]    |                                                   ^^^^^^^^^ private associated function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0624`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lambda-lang`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0624]: associated function `read_next` is private
[INFO] [stdout]   --> src/main.rs:13:51
[INFO] [stdout]    |
[INFO] [stdout] 13 |     if let Token::Num { value: s } = token_stream.read_next().unwrap() {
[INFO] [stdout]    |                                                   ^^^^^^^^^ private associated function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0624`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1439b28ca37853ed253c2136a8a95d4e2945774e80bd3c44052198b9a3805f69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1439b28ca37853ed253c2136a8a95d4e2945774e80bd3c44052198b9a3805f69", kill_on_drop: false }`
[INFO] [stdout] 1439b28ca37853ed253c2136a8a95d4e2945774e80bd3c44052198b9a3805f69