[INFO] cloning repository https://github.com/SloKart/rust_front_end
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SloKart/rust_front_end" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSloKart%2Frust_front_end", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSloKart%2Frust_front_end'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 58d8077911f97d4944e4f76c4bf5f8544df0f86c
[INFO] checking SloKart/rust_front_end/58d8077911f97d4944e4f76c4bf5f8544df0f86c against try#88e773be5b0a68392bd25d47edd909e9b2d64a6a for pr-132268
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSloKart%2Frust_front_end" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SloKart/rust_front_end on toolchain 88e773be5b0a68392bd25d47edd909e9b2d64a6a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+88e773be5b0a68392bd25d47edd909e9b2d64a6a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SloKart/rust_front_end
[INFO] finished tweaking git repo https://github.com/SloKart/rust_front_end
[INFO] tweaked toml for git repo https://github.com/SloKart/rust_front_end written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/SloKart/rust_front_end 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" "+88e773be5b0a68392bd25d47edd909e9b2d64a6a" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking SloKart/rust_front_end/58d8077911f97d4944e4f76c4bf5f8544df0f86c against try#88e773be5b0a68392bd25d47edd909e9b2d64a6a for pr-132268
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSloKart%2Frust_front_end" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SloKart/rust_front_end on toolchain 88e773be5b0a68392bd25d47edd909e9b2d64a6a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+88e773be5b0a68392bd25d47edd909e9b2d64a6a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SloKart/rust_front_end
[INFO] finished tweaking git repo https://github.com/SloKart/rust_front_end
[INFO] tweaked toml for git repo https://github.com/SloKart/rust_front_end written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/SloKart/rust_front_end 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" "+88e773be5b0a68392bd25d47edd909e9b2d64a6a" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+88e773be5b0a68392bd25d47edd909e9b2d64a6a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12e06dc72f0fd34879ef1296b138d3f09c60526a530c643e7a9272ec894a5388
[INFO] running `Command { std: "docker" "start" "-a" "12e06dc72f0fd34879ef1296b138d3f09c60526a530c643e7a9272ec894a5388", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12e06dc72f0fd34879ef1296b138d3f09c60526a530c643e7a9272ec894a5388", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12e06dc72f0fd34879ef1296b138d3f09c60526a530c643e7a9272ec894a5388", kill_on_drop: false }`
[INFO] [stdout] 12e06dc72f0fd34879ef1296b138d3f09c60526a530c643e7a9272ec894a5388
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+88e773be5b0a68392bd25d47edd909e9b2d64a6a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54a0fd5cc35a9668495264d95e02423f6e6bb511a303bc72a40185a4cc979da7
[INFO] running `Command { std: "docker" "start" "-a" "54a0fd5cc35a9668495264d95e02423f6e6bb511a303bc72a40185a4cc979da7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.91
[INFO] [stderr]    Compiling bumpalo v3.15.3
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling wasm-bindgen v0.2.91
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling boolinator v2.4.0
[INFO] [stderr]     Checking scoped-tls-hkt v0.1.4
[INFO] [stderr]     Checking indexmap v1.9.3
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.50
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.91
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling yew-macro v0.19.3
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.91
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.91
[INFO] [stderr]     Checking js-sys v0.3.68
[INFO] [stderr]     Checking console_error_panic_hook v0.1.7
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking web-sys v0.3.68
[INFO] [stderr]     Checking gloo-timers v0.2.6
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.41
[INFO] [stderr]     Checking gloo-utils v0.1.7
[INFO] [stderr]     Checking gloo-events v0.1.2
[INFO] [stderr]     Checking gloo-render v0.1.1
[INFO] [stderr]     Checking gloo-dialogs v0.1.1
[INFO] [stderr]     Checking gloo-storage v0.2.2
[INFO] [stderr]     Checking gloo-console v0.2.3
[INFO] [stderr]     Checking gloo-file v0.2.3
[INFO] [stderr]     Checking gloo v0.4.2
[INFO] [stderr]     Checking yew v0.19.3
[INFO] [stderr]     Checking rust_front_end v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.40s
[INFO] running `Command { std: "docker" "inspect" "54a0fd5cc35a9668495264d95e02423f6e6bb511a303bc72a40185a4cc979da7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54a0fd5cc35a9668495264d95e02423f6e6bb511a303bc72a40185a4cc979da7", kill_on_drop: false }`
[INFO] [stdout] 54a0fd5cc35a9668495264d95e02423f6e6bb511a303bc72a40185a4cc979da7