[INFO] cloning repository https://github.com/TimothyGu/json-parser-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TimothyGu/json-parser-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimothyGu%2Fjson-parser-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimothyGu%2Fjson-parser-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4d034c0e5407307a2a6d7d6a840bf7a4cee5db2e [INFO] checking TimothyGu/json-parser-rust against master#c3def263a44e07e09ae6d57abfc8650227fb4972 for pr-118920 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimothyGu%2Fjson-parser-rust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/TimothyGu/json-parser-rust on toolchain c3def263a44e07e09ae6d57abfc8650227fb4972 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c3def263a44e07e09ae6d57abfc8650227fb4972" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/TimothyGu/json-parser-rust [INFO] finished tweaking git repo https://github.com/TimothyGu/json-parser-rust [INFO] tweaked toml for git repo https://github.com/TimothyGu/json-parser-rust written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/TimothyGu/json-parser-rust 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" "+c3def263a44e07e09ae6d57abfc8650227fb4972" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking TimothyGu/json-parser-rust against try#3931cbb869e499bf6db1e4d580cc247efbf183df for pr-118920 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimothyGu%2Fjson-parser-rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/TimothyGu/json-parser-rust on toolchain 3931cbb869e499bf6db1e4d580cc247efbf183df [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3931cbb869e499bf6db1e4d580cc247efbf183df" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/TimothyGu/json-parser-rust [INFO] finished tweaking git repo https://github.com/TimothyGu/json-parser-rust [INFO] tweaked toml for git repo https://github.com/TimothyGu/json-parser-rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/TimothyGu/json-parser-rust 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" "+3931cbb869e499bf6db1e4d580cc247efbf183df" "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 TimothyGu/json-parser-rust against try#3931cbb869e499bf6db1e4d580cc247efbf183df for pr-118920 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimothyGu%2Fjson-parser-rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/TimothyGu/json-parser-rust on toolchain 3931cbb869e499bf6db1e4d580cc247efbf183df [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3931cbb869e499bf6db1e4d580cc247efbf183df" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/TimothyGu/json-parser-rust [INFO] finished tweaking git repo https://github.com/TimothyGu/json-parser-rust [INFO] tweaked toml for git repo https://github.com/TimothyGu/json-parser-rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/TimothyGu/json-parser-rust 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" "+3931cbb869e499bf6db1e4d580cc247efbf183df" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3931cbb869e499bf6db1e4d580cc247efbf183df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8fcb12f7090e6477125006c8ceafce9f744c9f06068ce4eb1f49d6cc6fb04d9f [INFO] running `Command { std: "docker" "start" "-a" "8fcb12f7090e6477125006c8ceafce9f744c9f06068ce4eb1f49d6cc6fb04d9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8fcb12f7090e6477125006c8ceafce9f744c9f06068ce4eb1f49d6cc6fb04d9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8fcb12f7090e6477125006c8ceafce9f744c9f06068ce4eb1f49d6cc6fb04d9f", kill_on_drop: false }` [INFO] [stdout] 8fcb12f7090e6477125006c8ceafce9f744c9f06068ce4eb1f49d6cc6fb04d9f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3931cbb869e499bf6db1e4d580cc247efbf183df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e00c560c91c28710587d37ebdf468adede9388ef78fbc77c9ee2caff2b6f98ed [INFO] running `Command { std: "docker" "start" "-a" "e00c560c91c28710587d37ebdf468adede9388ef78fbc77c9ee2caff2b6f98ed", kill_on_drop: false }` [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking json-parser v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.73s [INFO] running `Command { std: "docker" "inspect" "e00c560c91c28710587d37ebdf468adede9388ef78fbc77c9ee2caff2b6f98ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e00c560c91c28710587d37ebdf468adede9388ef78fbc77c9ee2caff2b6f98ed", kill_on_drop: false }` [INFO] [stdout] e00c560c91c28710587d37ebdf468adede9388ef78fbc77c9ee2caff2b6f98ed