[INFO] cloning repository https://github.com/nw0/i3-groups
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nw0/i3-groups" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnw0%2Fi3-groups", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnw0%2Fi3-groups'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2872b1c38b2a558573e830e4a8964cc2decc7b60
[INFO] checking nw0/i3-groups against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnw0%2Fi3-groups" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nw0/i3-groups on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nw0/i3-groups
[INFO] finished tweaking git repo https://github.com/nw0/i3-groups
[INFO] tweaked toml for git repo https://github.com/nw0/i3-groups written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/nw0/i3-groups already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 570d5a6fa1879a2ca076f1902074b4a56dc0f8e492dbdf9489a2e9f356a39e33
[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" "570d5a6fa1879a2ca076f1902074b4a56dc0f8e492dbdf9489a2e9f356a39e33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "570d5a6fa1879a2ca076f1902074b4a56dc0f8e492dbdf9489a2e9f356a39e33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "570d5a6fa1879a2ca076f1902074b4a56dc0f8e492dbdf9489a2e9f356a39e33", kill_on_drop: false }`
[INFO] [stdout] 570d5a6fa1879a2ca076f1902074b4a56dc0f8e492dbdf9489a2e9f356a39e33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 712bf0b2c311a9e55cc2f8d5bec05cc95fe8c354aecfc921904ae95c9766730d
[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" "712bf0b2c311a9e55cc2f8d5bec05cc95fe8c354aecfc921904ae95c9766730d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking i3ipc v0.10.1
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling structopt-derive v0.3.3
[INFO] [stderr]     Checking structopt v0.3.3
[INFO] [stderr]     Checking i3-groups v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.46s
[INFO] running `Command { std: "docker" "inspect" "712bf0b2c311a9e55cc2f8d5bec05cc95fe8c354aecfc921904ae95c9766730d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "712bf0b2c311a9e55cc2f8d5bec05cc95fe8c354aecfc921904ae95c9766730d", kill_on_drop: false }`
[INFO] [stdout] 712bf0b2c311a9e55cc2f8d5bec05cc95fe8c354aecfc921904ae95c9766730d