[INFO] cloning repository https://github.com/PoorlyDefinedBehaviour/lambda_calculus_lalrpop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PoorlyDefinedBehaviour/lambda_calculus_lalrpop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPoorlyDefinedBehaviour%2Flambda_calculus_lalrpop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPoorlyDefinedBehaviour%2Flambda_calculus_lalrpop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b27457d0aa133a240b865c1ab5736c10678e777
[INFO] checking PoorlyDefinedBehaviour/lambda_calculus_lalrpop against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPoorlyDefinedBehaviour%2Flambda_calculus_lalrpop" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PoorlyDefinedBehaviour/lambda_calculus_lalrpop 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] removed /workspace/builds/worker-3/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/PoorlyDefinedBehaviour/lambda_calculus_lalrpop
[INFO] finished tweaking git repo https://github.com/PoorlyDefinedBehaviour/lambda_calculus_lalrpop
[INFO] tweaked toml for git repo https://github.com/PoorlyDefinedBehaviour/lambda_calculus_lalrpop written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/PoorlyDefinedBehaviour/lambda_calculus_lalrpop 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 2b890c1897e5e5058c4e205659dcc3a61dbc397b6f44ee2b8b934d41f8c64e07
[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" "2b890c1897e5e5058c4e205659dcc3a61dbc397b6f44ee2b8b934d41f8c64e07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b890c1897e5e5058c4e205659dcc3a61dbc397b6f44ee2b8b934d41f8c64e07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b890c1897e5e5058c4e205659dcc3a61dbc397b6f44ee2b8b934d41f8c64e07", kill_on_drop: false }`
[INFO] [stdout] 2b890c1897e5e5058c4e205659dcc3a61dbc397b6f44ee2b8b934d41f8c64e07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 8df26e4e0a1b08cb4f81f484c55aa0d48ea2bf6dfed2fc27cbbe9f3e098c2f6a
[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" "8df26e4e0a1b08cb4f81f484c55aa0d48ea2bf6dfed2fc27cbbe9f3e098c2f6a", kill_on_drop: false }`
[INFO] [stderr] warning: substitution_model v0.1.0 (/opt/rustwide/workdir) ignoring invalid dependency `cargo-watch` which is missing a lib target
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking lalrpop-util v0.19.6
[INFO] [stderr]     Checking substitution_model v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.56s
[INFO] running `Command { std: "docker" "inspect" "8df26e4e0a1b08cb4f81f484c55aa0d48ea2bf6dfed2fc27cbbe9f3e098c2f6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8df26e4e0a1b08cb4f81f484c55aa0d48ea2bf6dfed2fc27cbbe9f3e098c2f6a", kill_on_drop: false }`
[INFO] [stdout] 8df26e4e0a1b08cb4f81f484c55aa0d48ea2bf6dfed2fc27cbbe9f3e098c2f6a