[INFO] fetching crate so_stupid_search 0.1.1...
[INFO] checking so_stupid_search-0.1.1 against master#8387315ab3c26a57a1f53a90f188f0bc88514bca for pr-124605
[INFO] extracting crate so_stupid_search 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate so_stupid_search 0.1.1 on toolchain 8387315ab3c26a57a1f53a90f188f0bc88514bca
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8387315ab3c26a57a1f53a90f188f0bc88514bca" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate so_stupid_search 0.1.1
[INFO] finished tweaking crates.io crate so_stupid_search 0.1.1
[INFO] tweaked toml for crates.io crate so_stupid_search 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate so_stupid_search 0.1.1 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" "+8387315ab3c26a57a1f53a90f188f0bc88514bca" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[INFO] [stderr]     Updating `git://mirrors.ustc.edu.cn/crates.io-index` index
[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 so_stupid_search-0.1.1 against try#fcc50f77e1a14e407d895972348a0ff09eafc210 for pr-124605
[INFO] extracting crate so_stupid_search 0.1.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate so_stupid_search 0.1.1 on toolchain fcc50f77e1a14e407d895972348a0ff09eafc210
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fcc50f77e1a14e407d895972348a0ff09eafc210" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate so_stupid_search 0.1.1
[INFO] finished tweaking crates.io crate so_stupid_search 0.1.1
[INFO] tweaked toml for crates.io crate so_stupid_search 0.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate so_stupid_search 0.1.1 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" "+fcc50f77e1a14e407d895972348a0ff09eafc210" "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
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[INFO] [stderr]     Updating `git://mirrors.ustc.edu.cn/crates.io-index` index
[ERROR] error running command: no output for 300 seconds
[INFO] checking so_stupid_search-0.1.1 against try#fcc50f77e1a14e407d895972348a0ff09eafc210 for pr-124605
[INFO] extracting crate so_stupid_search 0.1.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate so_stupid_search 0.1.1 on toolchain fcc50f77e1a14e407d895972348a0ff09eafc210
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fcc50f77e1a14e407d895972348a0ff09eafc210" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate so_stupid_search 0.1.1
[INFO] finished tweaking crates.io crate so_stupid_search 0.1.1
[INFO] tweaked toml for crates.io crate so_stupid_search 0.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate so_stupid_search 0.1.1 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" "+fcc50f77e1a14e407d895972348a0ff09eafc210" "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
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[INFO] [stderr]     Updating `git://mirrors.ustc.edu.cn/crates.io-index` index
[ERROR] error running command: no output for 300 seconds
[INFO] checking so_stupid_search-0.1.1 against try#fcc50f77e1a14e407d895972348a0ff09eafc210 for pr-124605
[INFO] extracting crate so_stupid_search 0.1.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate so_stupid_search 0.1.1 on toolchain fcc50f77e1a14e407d895972348a0ff09eafc210
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fcc50f77e1a14e407d895972348a0ff09eafc210" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate so_stupid_search 0.1.1
[INFO] finished tweaking crates.io crate so_stupid_search 0.1.1
[INFO] tweaked toml for crates.io crate so_stupid_search 0.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate so_stupid_search 0.1.1 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" "+fcc50f77e1a14e407d895972348a0ff09eafc210" "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
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[INFO] [stderr]     Updating `git://mirrors.ustc.edu.cn/crates.io-index` index
[INFO] [stderr]       Adding colored v1.9.4 (latest: v2.1.0)
[INFO] [stderr]       Adding hermit-abi v0.3.9
[INFO] [stderr]       Adding is-terminal v0.4.12
[INFO] [stderr]       Adding lazy_static v1.4.0
[INFO] [stderr]       Adding libc v0.2.155
[INFO] [stderr]       Adding winapi v0.3.9
[INFO] [stderr]       Adding winapi-i686-pc-windows-gnu v0.4.0
[INFO] [stderr]       Adding winapi-x86_64-pc-windows-gnu v0.4.0
[INFO] [stderr]       Adding windows-sys v0.52.0
[INFO] [stderr]       Adding windows-targets v0.52.5
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.52.5
[INFO] [stderr]       Adding windows_aarch64_msvc v0.52.5
[INFO] [stderr]       Adding windows_i686_gnu v0.52.5
[INFO] [stderr]       Adding windows_i686_gnullvm v0.52.5
[INFO] [stderr]       Adding windows_i686_msvc v0.52.5
[INFO] [stderr]       Adding windows_x86_64_gnu v0.52.5
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.52.5
[INFO] [stderr]       Adding windows_x86_64_msvc v0.52.5
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+fcc50f77e1a14e407d895972348a0ff09eafc210" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b916a7280a5cf72bea6a6e41b187adfce9fe1d711df852a23eb239e6083b321
[INFO] running `Command { std: "docker" "start" "-a" "8b916a7280a5cf72bea6a6e41b187adfce9fe1d711df852a23eb239e6083b321", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b916a7280a5cf72bea6a6e41b187adfce9fe1d711df852a23eb239e6083b321", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b916a7280a5cf72bea6a6e41b187adfce9fe1d711df852a23eb239e6083b321", kill_on_drop: false }`
[INFO] [stdout] 8b916a7280a5cf72bea6a6e41b187adfce9fe1d711df852a23eb239e6083b321
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+fcc50f77e1a14e407d895972348a0ff09eafc210" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7a0c97fb2fe9def7b6a8c372722c4e32b0053ec0bb7db440b481da8c53c1d4a
[INFO] running `Command { std: "docker" "start" "-a" "d7a0c97fb2fe9def7b6a8c372722c4e32b0053ec0bb7db440b481da8c53c1d4a", kill_on_drop: false }`
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking colored v1.9.4
[INFO] [stderr]     Checking so_stupid_search v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "d7a0c97fb2fe9def7b6a8c372722c4e32b0053ec0bb7db440b481da8c53c1d4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7a0c97fb2fe9def7b6a8c372722c4e32b0053ec0bb7db440b481da8c53c1d4a", kill_on_drop: false }`
[INFO] [stdout] d7a0c97fb2fe9def7b6a8c372722c4e32b0053ec0bb7db440b481da8c53c1d4a