[INFO] cloning repository https://github.com/4nickel/annealer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/4nickel/annealer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4nickel%2Fannealer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4nickel%2Fannealer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fe940ede943b3e37f83ef059eaa8485e1aa20102
[INFO] checking 4nickel/annealer against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4nickel%2Fannealer" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  57% (19/33)
Updating files:  60% (20/33)
Updating files:  63% (21/33)
Updating files:  66% (22/33)
Updating files:  69% (23/33)
Updating files:  72% (24/33)
Updating files:  75% (25/33)
Updating files:  78% (26/33)
Updating files:  81% (27/33)
Updating files:  84% (28/33)
Updating files:  87% (29/33)
Updating files:  90% (30/33)
Updating files:  93% (31/33)
Updating files:  96% (32/33)
Updating files: 100% (33/33)
Updating files: 100% (33/33), done.
[INFO] validating manifest of git repo https://github.com/4nickel/annealer on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/4nickel/annealer
[INFO] finished tweaking git repo https://github.com/4nickel/annealer
[INFO] tweaked toml for git repo https://github.com/4nickel/annealer written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/4nickel/annealer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d437c7af21e03780a22c3c29936ff77a906c74fcf5b1e3138c0300b3018034d
[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" "3d437c7af21e03780a22c3c29936ff77a906c74fcf5b1e3138c0300b3018034d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d437c7af21e03780a22c3c29936ff77a906c74fcf5b1e3138c0300b3018034d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d437c7af21e03780a22c3c29936ff77a906c74fcf5b1e3138c0300b3018034d", kill_on_drop: false }`
[INFO] [stdout] 3d437c7af21e03780a22c3c29936ff77a906c74fcf5b1e3138c0300b3018034d
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f27f83fbd42f311a7b18a5f56c008b3ff97261c79141f4d47e015bd6d5f559e
[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" "6f27f83fbd42f311a7b18a5f56c008b3ff97261c79141f4d47e015bd6d5f559e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking cipher v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.82s
[INFO] running `Command { std: "docker" "inspect" "6f27f83fbd42f311a7b18a5f56c008b3ff97261c79141f4d47e015bd6d5f559e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f27f83fbd42f311a7b18a5f56c008b3ff97261c79141f4d47e015bd6d5f559e", kill_on_drop: false }`
[INFO] [stdout] 6f27f83fbd42f311a7b18a5f56c008b3ff97261c79141f4d47e015bd6d5f559e