[INFO] cloning repository https://github.com/deadash/singleton_instance
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/deadash/singleton_instance" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeadash%2Fsingleton_instance", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeadash%2Fsingleton_instance'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e95a6afae460cf03b9d11ec61a6d93f68e4c80a0
[INFO] building deadash/singleton_instance against master#ad211ced81509462cdfe4c29ed10f97279a0acae for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeadash%2Fsingleton_instance" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/deadash/singleton_instance on toolchain ad211ced81509462cdfe4c29ed10f97279a0acae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/deadash/singleton_instance
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/deadash/singleton_instance
[INFO] tweaked toml for git repo https://github.com/deadash/singleton_instance written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/deadash/singleton_instance 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" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2deeadd1498ba8edb11164d3ec007fef312874850cee9ada92e610218d6e1259
[INFO] running `Command { std: "docker" "start" "-a" "2deeadd1498ba8edb11164d3ec007fef312874850cee9ada92e610218d6e1259", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2deeadd1498ba8edb11164d3ec007fef312874850cee9ada92e610218d6e1259", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2deeadd1498ba8edb11164d3ec007fef312874850cee9ada92e610218d6e1259", kill_on_drop: false }`
[INFO] [stdout] 2deeadd1498ba8edb11164d3ec007fef312874850cee9ada92e610218d6e1259
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04ad4fe0a5e4aa94576f3ebc40fa2c772a5a933d28eca9569b7f0ffff4353c3d
[INFO] running `Command { std: "docker" "start" "-a" "04ad4fe0a5e4aa94576f3ebc40fa2c772a5a933d28eca9569b7f0ffff4353c3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling singleton_macro v0.1.0 (/opt/rustwide/workdir/singleton_macro)
[INFO] [stderr]    Compiling singleton_instance v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.57s
[INFO] running `Command { std: "docker" "inspect" "04ad4fe0a5e4aa94576f3ebc40fa2c772a5a933d28eca9569b7f0ffff4353c3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04ad4fe0a5e4aa94576f3ebc40fa2c772a5a933d28eca9569b7f0ffff4353c3d", kill_on_drop: false }`
[INFO] [stdout] 04ad4fe0a5e4aa94576f3ebc40fa2c772a5a933d28eca9569b7f0ffff4353c3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 881fef01308924860739d17d58eaf777ae4dab7392b77983e97966bede12000d
[INFO] running `Command { std: "docker" "start" "-a" "881fef01308924860739d17d58eaf777ae4dab7392b77983e97966bede12000d", kill_on_drop: false }`
[INFO] [stderr]    Compiling singleton_instance v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "881fef01308924860739d17d58eaf777ae4dab7392b77983e97966bede12000d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "881fef01308924860739d17d58eaf777ae4dab7392b77983e97966bede12000d", kill_on_drop: false }`
[INFO] [stdout] 881fef01308924860739d17d58eaf777ae4dab7392b77983e97966bede12000d