[INFO] cloning repository https://github.com/firefly-zero/firefly-launcher
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/firefly-zero/firefly-launcher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffirefly-zero%2Ffirefly-launcher", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffirefly-zero%2Ffirefly-launcher'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eec1c0d84ce6341f4b389c64999bff69e115a9d0
[INFO] checking firefly-zero/firefly-launcher against master#f25e92bd42b14e45440c0a30a4ed751ea502f430 for pr-127481
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffirefly-zero%2Ffirefly-launcher" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/firefly-zero/firefly-launcher on toolchain f25e92bd42b14e45440c0a30a4ed751ea502f430
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f25e92bd42b14e45440c0a30a4ed751ea502f430" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/firefly-zero/firefly-launcher
[INFO] finished tweaking git repo https://github.com/firefly-zero/firefly-launcher
[INFO] tweaked toml for git repo https://github.com/firefly-zero/firefly-launcher written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/firefly-zero/firefly-launcher 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" "+f25e92bd42b14e45440c0a30a4ed751ea502f430" "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 firefly-zero/firefly-launcher against try#81417ccfba1b50f064bed768ddab670f5bbfdcfe for pr-127481
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffirefly-zero%2Ffirefly-launcher" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/firefly-zero/firefly-launcher on toolchain 81417ccfba1b50f064bed768ddab670f5bbfdcfe
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+81417ccfba1b50f064bed768ddab670f5bbfdcfe" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/firefly-zero/firefly-launcher
[INFO] finished tweaking git repo https://github.com/firefly-zero/firefly-launcher
[INFO] tweaked toml for git repo https://github.com/firefly-zero/firefly-launcher written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/firefly-zero/firefly-launcher 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" "+81417ccfba1b50f064bed768ddab670f5bbfdcfe" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking firefly-zero/firefly-launcher against try#81417ccfba1b50f064bed768ddab670f5bbfdcfe for pr-127481
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffirefly-zero%2Ffirefly-launcher" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/firefly-zero/firefly-launcher on toolchain 81417ccfba1b50f064bed768ddab670f5bbfdcfe
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+81417ccfba1b50f064bed768ddab670f5bbfdcfe" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/firefly-zero/firefly-launcher
[INFO] finished tweaking git repo https://github.com/firefly-zero/firefly-launcher
[INFO] tweaked toml for git repo https://github.com/firefly-zero/firefly-launcher written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/firefly-zero/firefly-launcher 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" "+81417ccfba1b50f064bed768ddab670f5bbfdcfe" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded firefly-rust v0.2.2
[INFO] [stderr]   Downloaded talc v4.4.1
[INFO] [stderr]   Downloaded firefly-meta v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+81417ccfba1b50f064bed768ddab670f5bbfdcfe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9623a2dd80be5d540f81e9fdc434b8579b63a2288b6ce30797a105c890cda4f
[INFO] running `Command { std: "docker" "start" "-a" "e9623a2dd80be5d540f81e9fdc434b8579b63a2288b6ce30797a105c890cda4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9623a2dd80be5d540f81e9fdc434b8579b63a2288b6ce30797a105c890cda4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9623a2dd80be5d540f81e9fdc434b8579b63a2288b6ce30797a105c890cda4f", kill_on_drop: false }`
[INFO] [stdout] e9623a2dd80be5d540f81e9fdc434b8579b63a2288b6ce30797a105c890cda4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+81417ccfba1b50f064bed768ddab670f5bbfdcfe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4529d0e4b34b4e3abadeec8d826be19d3da82ab4af011ea62c3743b035428d1d
[INFO] running `Command { std: "docker" "start" "-a" "4529d0e4b34b4e3abadeec8d826be19d3da82ab4af011ea62c3743b035428d1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.85
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking cobs v0.2.3
[INFO] [stderr]     Checking firefly-rust v0.2.2
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking talc v4.4.1
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]     Checking postcard v1.0.8
[INFO] [stderr]     Checking firefly-meta v0.1.2
[INFO] [stderr]     Checking firefly-launcher v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: `#[panic_handler]` function required, but not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `firefly-launcher` (bin "firefly-launcher") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4529d0e4b34b4e3abadeec8d826be19d3da82ab4af011ea62c3743b035428d1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4529d0e4b34b4e3abadeec8d826be19d3da82ab4af011ea62c3743b035428d1d", kill_on_drop: false }`
[INFO] [stdout] 4529d0e4b34b4e3abadeec8d826be19d3da82ab4af011ea62c3743b035428d1d