[INFO] cloning repository https://github.com/TracebackS/tiger-language-in-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TracebackS/tiger-language-in-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTracebackS%2Ftiger-language-in-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTracebackS%2Ftiger-language-in-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b457f7b37dbcbf49cdfb625f8537f58a95ab7461
[INFO] checking TracebackS/tiger-language-in-rust against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTracebackS%2Ftiger-language-in-rust" "/workspace/builds/worker-88/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-88/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/TracebackS/tiger-language-in-rust 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/TracebackS/tiger-language-in-rust
[INFO] finished tweaking git repo https://github.com/TracebackS/tiger-language-in-rust
[INFO] tweaked toml for git repo https://github.com/TracebackS/tiger-language-in-rust written to /workspace/builds/worker-88/source/Cargo.toml
[INFO] crate git repo https://github.com/TracebackS/tiger-language-in-rust 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] [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-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] 752473d6bdb9623e5ead6558572d740df0b499bd9198ed85f997446515f25d62
[INFO] running `Command { std: "docker" "start" "-a" "752473d6bdb9623e5ead6558572d740df0b499bd9198ed85f997446515f25d62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "752473d6bdb9623e5ead6558572d740df0b499bd9198ed85f997446515f25d62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "752473d6bdb9623e5ead6558572d740df0b499bd9198ed85f997446515f25d62", kill_on_drop: false }`
[INFO] [stdout] 752473d6bdb9623e5ead6558572d740df0b499bd9198ed85f997446515f25d62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] 50fcf38e0b678798dd9ef86ade1f7fc88cff395e2b543e018af2907bc284a582
[INFO] running `Command { std: "docker" "start" "-a" "50fcf38e0b678798dd9ef86ade1f7fc88cff395e2b543e018af2907bc284a582", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking learn-pest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.90s
[INFO] running `Command { std: "docker" "inspect" "50fcf38e0b678798dd9ef86ade1f7fc88cff395e2b543e018af2907bc284a582", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50fcf38e0b678798dd9ef86ade1f7fc88cff395e2b543e018af2907bc284a582", kill_on_drop: false }`
[INFO] [stdout] 50fcf38e0b678798dd9ef86ade1f7fc88cff395e2b543e018af2907bc284a582