[INFO] cloning repository https://github.com/embassy-rs/atomic-pool
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/embassy-rs/atomic-pool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fembassy-rs%2Fatomic-pool", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fembassy-rs%2Fatomic-pool'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 82799540d248d008f548f202c8106cea43d474e5
[INFO] checking embassy-rs/atomic-pool against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fembassy-rs%2Fatomic-pool" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/embassy-rs/atomic-pool on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/embassy-rs/atomic-pool
[INFO] finished tweaking git repo https://github.com/embassy-rs/atomic-pool
[INFO] tweaked toml for git repo https://github.com/embassy-rs/atomic-pool written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/embassy-rs/atomic-pool already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded atomic-polyfill v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3bd0000b0f77159b78e49acd3a2c899ff2ff84a7c294f182464bce523ef8006a
[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" "3bd0000b0f77159b78e49acd3a2c899ff2ff84a7c294f182464bce523ef8006a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bd0000b0f77159b78e49acd3a2c899ff2ff84a7c294f182464bce523ef8006a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bd0000b0f77159b78e49acd3a2c899ff2ff84a7c294f182464bce523ef8006a", kill_on_drop: false }`
[INFO] [stdout] 3bd0000b0f77159b78e49acd3a2c899ff2ff84a7c294f182464bce523ef8006a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f9caa926731ce10d49a4207e4d683bdbfe1d429443936976f0ae25caf69544f
[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" "2f9caa926731ce10d49a4207e4d683bdbfe1d429443936976f0ae25caf69544f", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling cortex-m v0.7.2
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling atomic-polyfill v0.1.1
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking as-slice v0.1.5
[INFO] [stderr]     Checking atomic-pool v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.53s
[INFO] running `Command { std: "docker" "inspect" "2f9caa926731ce10d49a4207e4d683bdbfe1d429443936976f0ae25caf69544f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f9caa926731ce10d49a4207e4d683bdbfe1d429443936976f0ae25caf69544f", kill_on_drop: false }`
[INFO] [stdout] 2f9caa926731ce10d49a4207e4d683bdbfe1d429443936976f0ae25caf69544f