[INFO] cloning repository https://github.com/887/filer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/887/filer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F887%2Ffiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F887%2Ffiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2dda092ec4fa7f5515450d3db56af9c8a21425af
[INFO] checking 887/filer against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F887%2Ffiler" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/887/filer on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/887/filer
[INFO] finished tweaking git repo https://github.com/887/filer
[INFO] tweaked toml for git repo https://github.com/887/filer written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/887/filer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94c0e8fa4d8177ae04da3b2a4998d5ba0fa7193919f1b5526272d14cb001db8d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "94c0e8fa4d8177ae04da3b2a4998d5ba0fa7193919f1b5526272d14cb001db8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94c0e8fa4d8177ae04da3b2a4998d5ba0fa7193919f1b5526272d14cb001db8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94c0e8fa4d8177ae04da3b2a4998d5ba0fa7193919f1b5526272d14cb001db8d", kill_on_drop: false }`
[INFO] [stdout] 94c0e8fa4d8177ae04da3b2a4998d5ba0fa7193919f1b5526272d14cb001db8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7b91f8d92853d64ae6ace883390893b5e4f55cd5122492ced6a45ee32a3798f4
[INFO] running `Command { std: "docker" "start" "-a" "7b91f8d92853d64ae6ace883390893b5e4f55cd5122492ced6a45ee32a3798f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]    Compiling rustdoc-stripper v0.1.5
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]    Compiling cc v1.0.15
[INFO] [stderr]     Checking fragile v0.3.0
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]    Compiling filer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling glib-sys v0.7.0
[INFO] [stderr]    Compiling gobject-sys v0.7.0
[INFO] [stderr]    Compiling gio-sys v0.7.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.7.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.7.0
[INFO] [stderr]    Compiling pango-sys v0.7.0
[INFO] [stderr]    Compiling gdk-sys v0.7.0
[INFO] [stderr]    Compiling atk-sys v0.7.0
[INFO] [stderr]    Compiling gtk-sys v0.7.0
[INFO] [stderr]     Checking dirs v1.0.4
[INFO] [stderr]    Compiling gettext-sys v0.19.8
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]    Compiling gtk-rs-lgpl-docs v0.1.6
[INFO] [stderr]    Compiling gio v0.5.1
[INFO] [stderr]    Compiling gdk-pixbuf v0.5.0
[INFO] [stderr]    Compiling cairo-rs v0.5.0
[INFO] [stderr]    Compiling gdk v0.9.0
[INFO] [stderr]    Compiling gtk v0.5.0
[INFO] [stderr]     Checking glib v0.6.1
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking locale_config v0.2.2
[INFO] [stderr]     Checking pango v0.5.0
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "7b91f8d92853d64ae6ace883390893b5e4f55cd5122492ced6a45ee32a3798f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b91f8d92853d64ae6ace883390893b5e4f55cd5122492ced6a45ee32a3798f4", kill_on_drop: false }`
[INFO] [stdout] 7b91f8d92853d64ae6ace883390893b5e4f55cd5122492ced6a45ee32a3798f4