[INFO] cloning repository https://github.com/yamakenji24/build-browser-ex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yamakenji24/build-browser-ex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyamakenji24%2Fbuild-browser-ex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyamakenji24%2Fbuild-browser-ex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] db51d404a50a5dcb9b96ee52d69ea2b919f87edb
[INFO] checking yamakenji24/build-browser-ex against master#accc516128b21e960b1a7af45393e9acdd184890 for pr-122501
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyamakenji24%2Fbuild-browser-ex" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yamakenji24/build-browser-ex on toolchain accc516128b21e960b1a7af45393e9acdd184890
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+accc516128b21e960b1a7af45393e9acdd184890" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yamakenji24/build-browser-ex
[INFO] finished tweaking git repo https://github.com/yamakenji24/build-browser-ex
[INFO] tweaked toml for git repo https://github.com/yamakenji24/build-browser-ex written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/yamakenji24/build-browser-ex 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" "+accc516128b21e960b1a7af45393e9acdd184890" "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 yamakenji24/build-browser-ex against try#32f93a5733992b29f321831b7e26c1f7d7205013 for pr-122501
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyamakenji24%2Fbuild-browser-ex" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yamakenji24/build-browser-ex on toolchain 32f93a5733992b29f321831b7e26c1f7d7205013
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+32f93a5733992b29f321831b7e26c1f7d7205013" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yamakenji24/build-browser-ex
[INFO] finished tweaking git repo https://github.com/yamakenji24/build-browser-ex
[INFO] tweaked toml for git repo https://github.com/yamakenji24/build-browser-ex written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/yamakenji24/build-browser-ex 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" "+32f93a5733992b29f321831b7e26c1f7d7205013" "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 yamakenji24/build-browser-ex against try#32f93a5733992b29f321831b7e26c1f7d7205013 for pr-122501
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyamakenji24%2Fbuild-browser-ex" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yamakenji24/build-browser-ex on toolchain 32f93a5733992b29f321831b7e26c1f7d7205013
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+32f93a5733992b29f321831b7e26c1f7d7205013" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yamakenji24/build-browser-ex
[INFO] finished tweaking git repo https://github.com/yamakenji24/build-browser-ex
[INFO] tweaked toml for git repo https://github.com/yamakenji24/build-browser-ex written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/yamakenji24/build-browser-ex 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" "+32f93a5733992b29f321831b7e26c1f7d7205013" "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 yamakenji24/build-browser-ex against try#32f93a5733992b29f321831b7e26c1f7d7205013 for pr-122501
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyamakenji24%2Fbuild-browser-ex" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yamakenji24/build-browser-ex on toolchain 32f93a5733992b29f321831b7e26c1f7d7205013
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+32f93a5733992b29f321831b7e26c1f7d7205013" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yamakenji24/build-browser-ex
[INFO] finished tweaking git repo https://github.com/yamakenji24/build-browser-ex
[INFO] tweaked toml for git repo https://github.com/yamakenji24/build-browser-ex written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/yamakenji24/build-browser-ex 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" "+32f93a5733992b29f321831b7e26c1f7d7205013" "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 yamakenji24/build-browser-ex against try#32f93a5733992b29f321831b7e26c1f7d7205013 for pr-122501
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyamakenji24%2Fbuild-browser-ex" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yamakenji24/build-browser-ex on toolchain 32f93a5733992b29f321831b7e26c1f7d7205013
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+32f93a5733992b29f321831b7e26c1f7d7205013" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yamakenji24/build-browser-ex
[INFO] finished tweaking git repo https://github.com/yamakenji24/build-browser-ex
[INFO] tweaked toml for git repo https://github.com/yamakenji24/build-browser-ex written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/yamakenji24/build-browser-ex 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" "+32f93a5733992b29f321831b7e26c1f7d7205013" "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 yamakenji24/build-browser-ex against try#32f93a5733992b29f321831b7e26c1f7d7205013 for pr-122501
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyamakenji24%2Fbuild-browser-ex" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yamakenji24/build-browser-ex on toolchain 32f93a5733992b29f321831b7e26c1f7d7205013
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+32f93a5733992b29f321831b7e26c1f7d7205013" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yamakenji24/build-browser-ex
[INFO] finished tweaking git repo https://github.com/yamakenji24/build-browser-ex
[INFO] tweaked toml for git repo https://github.com/yamakenji24/build-browser-ex written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/yamakenji24/build-browser-ex 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" "+32f93a5733992b29f321831b7e26c1f7d7205013" "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 signal-hook v0.3.10
[INFO] [stderr]   Downloaded combine v4.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+32f93a5733992b29f321831b7e26c1f7d7205013" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c384413fca38c9fce8f2e76ecd85c52fc91739d88cf0f0913162a354a7a9afc
[INFO] running `Command { std: "docker" "start" "-a" "5c384413fca38c9fce8f2e76ecd85c52fc91739d88cf0f0913162a354a7a9afc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c384413fca38c9fce8f2e76ecd85c52fc91739d88cf0f0913162a354a7a9afc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c384413fca38c9fce8f2e76ecd85c52fc91739d88cf0f0913162a354a7a9afc", kill_on_drop: false }`
[INFO] [stdout] 5c384413fca38c9fce8f2e76ecd85c52fc91739d88cf0f0913162a354a7a9afc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+32f93a5733992b29f321831b7e26c1f7d7205013" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95f85875c461cd960e1829e1acca244c49bf2e336789e165b81d91fbdecad48f
[INFO] running `Command { std: "docker" "start" "-a" "95f85875c461cd960e1829e1acca244c49bf2e336789e165b81d91fbdecad48f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling syn v1.0.78
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling pkg-config v0.3.20
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling ahash v0.6.3
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking array-macro v1.0.5
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling signal-hook v0.3.10
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking unicode-segmentation v1.8.0
[INFO] [stderr]     Checking xi-unicode v0.3.0
[INFO] [stderr]    Compiling ncurses v5.101.0
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking combine v4.6.1
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling enum-map-derive v0.4.6
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking enum-map v0.6.4
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling wasmer_enumset_derive v0.5.0
[INFO] [stderr]     Checking wasmer_enumset v1.0.1
[INFO] [stderr]     Checking cursive_core v0.2.2
[INFO] [stderr]     Checking cursive v0.16.3
[INFO] [stderr]     Checking build-browser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `char`
[INFO] [stdout]  --> src/css.rs:5:24
[INFO] [stdout]   |
[INFO] [stdout] 5 |   parser::char::{self, char, letter, newline, space},
[INFO] [stdout]   |                        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Element`
[INFO] [stdout]  --> src/css.rs:9:34
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::dom::{Node, NodeType, Element};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Text` is imported redundantly
[INFO] [stdout]    --> src/html.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |     use crate::dom::Text;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 131 |
[INFO] [stdout] 132 |     use super::*;
[INFO] [stdout]     |         -------- the item `Text` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `char`
[INFO] [stdout]  --> src/css.rs:5:24
[INFO] [stdout]   |
[INFO] [stdout] 5 |   parser::char::{self, char, letter, newline, space},
[INFO] [stdout]   |                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.72s
[INFO] running `Command { std: "docker" "inspect" "95f85875c461cd960e1829e1acca244c49bf2e336789e165b81d91fbdecad48f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95f85875c461cd960e1829e1acca244c49bf2e336789e165b81d91fbdecad48f", kill_on_drop: false }`
[INFO] [stdout] 95f85875c461cd960e1829e1acca244c49bf2e336789e165b81d91fbdecad48f